// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include "cppquickfix_test.h"

#include "cppcodestylepreferences.h"
#include "cppeditorwidget.h"
#include "cppmodelmanager.h"
#include "cppquickfixassistant.h"
#include "cppquickfixes.h"
#include "cppquickfixsettings.h"
#include "cppsourceprocessertesthelper.h"
#include "cpptoolssettings.h"

#include <projectexplorer/kitmanager.h>
#include <projectexplorer/projectexplorer.h>
#include <texteditor/textdocument.h>
#include <utils/fileutils.h>

#include <QDebug>
#include <QDir>
#include <QtTest>

/*!
    Tests for quick-fixes.
 */
using namespace Core;
using namespace CPlusPlus;
using namespace ProjectExplorer;
using namespace TextEditor;
using namespace Utils;

using CppEditor::Tests::TemporaryDir;
using CppEditor::Tests::Internal::TestIncludePaths;

typedef QByteArray _;

namespace CppEditor::Internal::Tests {
typedef QList<TestDocumentPtr> QuickFixTestDocuments;
}
Q_DECLARE_METATYPE(CppEditor::Internal::Tests::QuickFixTestDocuments)

namespace CppEditor {
namespace Internal {
namespace Tests {

/// Tests the offered operations provided by a given CppQuickFixFactory
class QuickFixOfferedOperationsTest : public BaseQuickFixTestCase
{
public:
    QuickFixOfferedOperationsTest(const QList<TestDocumentPtr> &testDocuments,
                                  CppQuickFixFactory *factory,
                                  const ProjectExplorer::HeaderPaths &headerPaths
                                    = ProjectExplorer::HeaderPaths(),
                                  const QStringList &expectedOperations = QStringList());
};

QList<TestDocumentPtr> singleDocument(const QByteArray &original,
                                                const QByteArray &expected)
{
    return {CppTestDocument::create("file.cpp", original, expected)};
}

BaseQuickFixTestCase::BaseQuickFixTestCase(const QList<TestDocumentPtr> &testDocuments,
                                           const ProjectExplorer::HeaderPaths &headerPaths,
                                           const QByteArray &clangFormatSettings)
    : m_testDocuments(testDocuments)
    , m_cppCodeStylePreferences(0)
    , m_restoreHeaderPaths(false)
{
    QVERIFY(succeededSoFar());
    m_succeededSoFar = false;

    // Check if there is exactly one cursor marker
    unsigned cursorMarkersCount = 0;
    for (const TestDocumentPtr &document : std::as_const(m_testDocuments)) {
        if (document->hasCursorMarker())
            ++cursorMarkersCount;
    }
    QVERIFY2(cursorMarkersCount == 1, "Exactly one cursor marker is allowed.");

    // Write documents to disk
    m_temporaryDirectory.reset(new TemporaryDir);
    QVERIFY(m_temporaryDirectory->isValid());
    for (const TestDocumentPtr &document : std::as_const(m_testDocuments)) {
        if (QFileInfo(document->m_fileName).isRelative())
            document->setBaseDirectory(m_temporaryDirectory->path());
        document->writeToDisk();
    }

    // Create .clang-format file
    if (!clangFormatSettings.isEmpty())
        m_temporaryDirectory->createFile(".clang-format", clangFormatSettings);

    // Set appropriate include paths
    if (!headerPaths.isEmpty()) {
        m_restoreHeaderPaths = true;
        m_headerPathsToRestore = CppModelManager::headerPaths();
        CppModelManager::setHeaderPaths(headerPaths);
    }

    // Update Code Model
    QSet<FilePath> filePaths;
    for (const TestDocumentPtr &document : std::as_const(m_testDocuments))
        filePaths << document->filePath();
    QVERIFY(parseFiles(filePaths));

    // Open Files
    for (const TestDocumentPtr &document : std::as_const(m_testDocuments)) {
        QVERIFY(openCppEditor(document->filePath(), &document->m_editor,
                              &document->m_editorWidget));
        closeEditorAtEndOfTestCase(document->m_editor);

        // Set cursor position
        if (document->hasCursorMarker()) {
            if (document->hasAnchorMarker()) {
                document->m_editor->setCursorPosition(document->m_anchorPosition);
                document->m_editor->select(document->m_cursorPosition);
            } else {
                document->m_editor->setCursorPosition(document->m_cursorPosition);
            }
        } else {
            document->m_editor->setCursorPosition(0);
        }

        // Rehighlight
        waitForRehighlightedSemanticDocument(document->m_editorWidget);
    }

    // Enforce the default cpp code style, so we are independent of config file settings.
    // This is needed by e.g. the GenerateGetterSetter quick fix.
    m_cppCodeStylePreferences = CppToolsSettings::cppCodeStyle();
    QVERIFY(m_cppCodeStylePreferences);
    m_cppCodeStylePreferencesOriginalDelegateId = m_cppCodeStylePreferences->currentDelegateId();
    m_cppCodeStylePreferences->setCurrentDelegate("qt");

    // Find the document having the cursor marker
    for (const TestDocumentPtr &document : std::as_const(m_testDocuments)) {
        if (document->hasCursorMarker()){
            m_documentWithMarker = document;
            break;
        }
    }

    QVERIFY(m_documentWithMarker);
    m_succeededSoFar = true;
}

BaseQuickFixTestCase::~BaseQuickFixTestCase()
{
    // Restore default cpp code style
    if (m_cppCodeStylePreferences)
        m_cppCodeStylePreferences->setCurrentDelegate(m_cppCodeStylePreferencesOriginalDelegateId);

    // Restore include paths
    if (m_restoreHeaderPaths)
        CppModelManager::setHeaderPaths(m_headerPathsToRestore);

    // Remove created files from file system
    for (const TestDocumentPtr &testDocument : std::as_const(m_testDocuments))
        QVERIFY(testDocument->filePath().removeFile());
}

/// Leading whitespace is not removed, so we can check if the indetation ranges
/// have been set correctly by the quick-fix.
static QString &removeTrailingWhitespace(QString &input)
{
    const QStringList lines = input.split(QLatin1Char('\n'));
    input.resize(0);
    for (int i = 0, total = lines.size(); i < total; ++i) {
        QString line = lines.at(i);
        while (line.length() > 0) {
            QChar lastChar = line[line.length() - 1];
            if (lastChar == QLatin1Char(' ') || lastChar == QLatin1Char('\t'))
                line.chop(1);
            else
                break;
        }
        input.append(line);

        const bool isLastLine = i == lines.size() - 1;
        if (!isLastLine)
            input.append(QLatin1Char('\n'));
    }
    return input;
}

QuickFixOperationTest::QuickFixOperationTest(const QList<TestDocumentPtr> &testDocuments,
                                             CppQuickFixFactory *factory,
                                             const ProjectExplorer::HeaderPaths &headerPaths,
                                             int operationIndex,
                                             const QByteArray &expectedFailMessage,
                                             const QByteArray &clangFormatSettings)
    : BaseQuickFixTestCase(testDocuments, headerPaths, clangFormatSettings)
{
    if (factory->clangdReplacement() && CppModelManager::isClangCodeModelActive())
        return;

    QVERIFY(succeededSoFar());

    // Perform operation if there is one
    CppQuickFixInterface quickFixInterface(m_documentWithMarker->m_editorWidget, ExplicitlyInvoked);
    QuickFixOperations operations;
    factory->match(quickFixInterface, operations);
    if (operations.isEmpty()) {
        QEXPECT_FAIL("CompleteSwitchCaseStatement_QTCREATORBUG-25998", "FIXME", Abort);
        QVERIFY(testDocuments.first()->m_expectedSource.isEmpty());
        return;
    }

    QVERIFY(operationIndex < operations.size());
    const QuickFixOperation::Ptr operation = operations.at(operationIndex);
    operation->perform();

    // Compare all files
    for (const TestDocumentPtr &testDocument : std::as_const(m_testDocuments)) {
        // Check
        QString result = testDocument->m_editorWidget->document()->toPlainText();
        removeTrailingWhitespace(result);
        QEXPECT_FAIL("escape string literal: raw string literal", "FIXME", Continue);
        QEXPECT_FAIL("escape string literal: unescape adjacent literals", "FIXME", Continue);
        if (!expectedFailMessage.isEmpty())
            QEXPECT_FAIL("", expectedFailMessage.data(), Continue);
        else if (result != testDocument->m_expectedSource) {
            qDebug() << "---" << testDocument->m_expectedSource;
            qDebug() << "+++" << result;
        }
        QCOMPARE(result, testDocument->m_expectedSource);

        // Undo the change
        for (int i = 0; i < 100; ++i)
            testDocument->m_editorWidget->undo();
        result = testDocument->m_editorWidget->document()->toPlainText();
        QCOMPARE(result, testDocument->m_source);
    }
}

void QuickFixOperationTest::run(const QList<TestDocumentPtr> &testDocuments,
                                CppQuickFixFactory *factory,
                                const QString &headerPath,
                                int operationIndex)
{
    ProjectExplorer::HeaderPaths headerPaths;
    headerPaths.push_back(ProjectExplorer::HeaderPath::makeUser(headerPath));
    QuickFixOperationTest(testDocuments, factory, headerPaths, operationIndex);
}

QuickFixOfferedOperationsTest::QuickFixOfferedOperationsTest(
        const QList<TestDocumentPtr> &testDocuments,
        CppQuickFixFactory *factory,
        const ProjectExplorer::HeaderPaths &headerPaths,
        const QStringList &expectedOperations)
    : BaseQuickFixTestCase(testDocuments, headerPaths)
{
    // Get operations
    CppQuickFixInterface quickFixInterface(m_documentWithMarker->m_editorWidget, ExplicitlyInvoked);
    QuickFixOperations actualOperations;
    factory->match(quickFixInterface, actualOperations);

    // Convert to QStringList
    QStringList actualOperationsAsStringList;
    for (const QuickFixOperation::Ptr &operation : std::as_const(actualOperations))
        actualOperationsAsStringList << operation->description();

    QCOMPARE(actualOperationsAsStringList, expectedOperations);
}

/// Delegates directly to AddIncludeForUndefinedIdentifierOp for easier testing.
class AddIncludeForUndefinedIdentifierTestFactory : public CppQuickFixFactory
{
public:
    AddIncludeForUndefinedIdentifierTestFactory(const QString &include)
        : m_include(include) {}

    void doMatch(const CppQuickFixInterface &cppQuickFixInterface, QuickFixOperations &result) override
    {
        result << new AddIncludeForUndefinedIdentifierOp(cppQuickFixInterface, 0, m_include);
    }

private:
    const QString m_include;
};

class AddForwardDeclForUndefinedIdentifierTestFactory : public CppQuickFixFactory
{
public:
    AddForwardDeclForUndefinedIdentifierTestFactory(const QString &className, int symbolPos)
        : m_className(className), m_symbolPos(symbolPos) {}

    void doMatch(const CppQuickFixInterface &cppQuickFixInterface, QuickFixOperations &result) override
    {
        result << new AddForwardDeclForUndefinedIdentifierOp(cppQuickFixInterface, 0,
                                                             m_className, m_symbolPos);
    }

private:
    const QString m_className;
    const int m_symbolPos;
};

} // namespace Tests
} // namespace Internal

typedef QSharedPointer<CppQuickFixFactory> CppQuickFixFactoryPtr;

} // namespace CppEditor

namespace CppEditor::Internal::Tests {

class QuickFixSettings
{
    const CppQuickFixSettings original = *CppQuickFixSettings::instance();

public:
    CppQuickFixSettings *operator->() { return CppQuickFixSettings::instance(); }
    ~QuickFixSettings() { *CppQuickFixSettings::instance() = original; }
};

void QuickfixTest::testGeneric_data()
{
    QTest::addColumn<CppQuickFixFactoryPtr>("factory");
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    // Checks: All enum values are added as case statements for a blank switch.
    QTest::newRow("CompleteSwitchCaseStatement_basic1")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case V1:\n"
        "        break;\n"
        "    case V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_basic1_enum class")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case EnumType::V1:\n"
        "        break;\n"
        "    case EnumType::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above with the cursor somewhere in the body.
    QTest::newRow("CompleteSwitchCaseStatement_basic1_enum class, cursor in the body")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    @}\n"
        "}\n"
        ) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case EnumType::V1:\n"
        "        break;\n"
        "    case EnumType::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: All enum values are added as case statements for a blank switch when
    //         the variable is declared alongside the enum definition.
    QTest::newRow("CompleteSwitchCaseStatement_basic1_enum_with_declaration")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum EnumType { V1, V2 } t;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum EnumType { V1, V2 } t;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    switch (t) {\n"
        "    case V1:\n"
        "        break;\n"
        "    case V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_basic1_enum_with_declaration_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class EnumType { V1, V2 } t;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class EnumType { V1, V2 } t;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    switch (t) {\n"
        "    case EnumType::V1:\n"
        "        break;\n"
        "    case EnumType::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: All enum values are added as case statements for a blank switch
    //         for anonymous enums.
    QTest::newRow("CompleteSwitchCaseStatement_basic1_anonymous_enum")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum { V1, V2 } t;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum { V1, V2 } t;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    switch (t) {\n"
        "    case V1:\n"
        "        break;\n"
        "    case V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: All enum values are added as case statements for a blank switch with a default case.
    QTest::newRow("CompleteSwitchCaseStatement_basic2")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    @switch (t) {\n"
        "    default:\n"
        "    break;\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case V1:\n"
        "        break;\n"
        "    case V2:\n"
        "        break;\n"
        "    default:\n"
        "    break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_basic2_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    @switch (t) {\n"
        "    default:\n"
        "    break;\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case EnumType::V1:\n"
        "        break;\n"
        "    case EnumType::V2:\n"
        "        break;\n"
        "    default:\n"
        "    break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Enum type in class is found.
    QTest::newRow("CompleteSwitchCaseStatement_enumTypeInClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "struct C { enum EnumType { V1, V2 }; };\n"
        "\n"
        "void f(C::EnumType t) {\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "struct C { enum EnumType { V1, V2 }; };\n"
        "\n"
        "void f(C::EnumType t) {\n"
        "    switch (t) {\n"
        "    case C::V1:\n"
        "        break;\n"
        "    case C::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_enumClassInClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "struct C { enum class EnumType { V1, V2 }; };\n"
        "\n"
        "void f(C::EnumType t) {\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "struct C { enum class EnumType { V1, V2 }; };\n"
        "\n"
        "void f(C::EnumType t) {\n"
        "    switch (t) {\n"
        "    case C::EnumType::V1:\n"
        "        break;\n"
        "    case C::EnumType::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Enum type in namespace is found.
    QTest::newRow("CompleteSwitchCaseStatement_enumTypeInNamespace")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "namespace N { enum EnumType { V1, V2 }; };\n"
        "\n"
        "void f(N::EnumType t) {\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "namespace N { enum EnumType { V1, V2 }; };\n"
        "\n"
        "void f(N::EnumType t) {\n"
        "    switch (t) {\n"
        "    case N::V1:\n"
        "        break;\n"
        "    case N::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_enumClassInNamespace")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "namespace N { enum class EnumType { V1, V2 }; };\n"
        "\n"
        "void f(N::EnumType t) {\n"
        "    @switch (t) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "namespace N { enum class EnumType { V1, V2 }; };\n"
        "\n"
        "void f(N::EnumType t) {\n"
        "    switch (t) {\n"
        "    case N::EnumType::V1:\n"
        "        break;\n"
        "    case N::EnumType::V2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: The missing enum value is added.
    QTest::newRow("CompleteSwitchCaseStatement_oneValueMissing")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    @switch (t) {\n"
        "    case V2:\n"
        "        break;\n"
        "    default:\n"
        "        break;\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case V1:\n"
        "        break;\n"
        "    case V2:\n"
        "        break;\n"
        "    default:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_oneValueMissing_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    @switch (t) {\n"
        "    case EnumType::V2:\n"
        "        break;\n"
        "    default:\n"
        "        break;\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class EnumType { V1, V2 };\n"
        "\n"
        "void f()\n"
        "{\n"
        "    EnumType t;\n"
        "    switch (t) {\n"
        "    case EnumType::V1:\n"
        "        break;\n"
        "    case EnumType::V2:\n"
        "        break;\n"
        "    default:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Find the correct enum type despite there being a declaration with the same name.
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG10366_1")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum test { TEST_1, TEST_2 };\n"
        "\n"
        "void f() {\n"
        "    enum test test;\n"
        "    @switch (test) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum test { TEST_1, TEST_2 };\n"
        "\n"
        "void f() {\n"
        "    enum test test;\n"
        "    switch (test) {\n"
        "    case TEST_1:\n"
        "        break;\n"
        "    case TEST_2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG10366_1_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class test { TEST_1, TEST_2 };\n"
        "\n"
        "void f() {\n"
        "    enum test test;\n"
        "    @switch (test) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class test { TEST_1, TEST_2 };\n"
        "\n"
        "void f() {\n"
        "    enum test test;\n"
        "    switch (test) {\n"
        "    case test::TEST_1:\n"
        "        break;\n"
        "    case test::TEST_2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Find the correct enum type despite there being a declaration with the same name.
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG10366_2")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum test1 { Wrong11, Wrong12 };\n"
        "enum test { Right1, Right2 };\n"
        "enum test2 { Wrong21, Wrong22 };\n"
        "\n"
        "int main() {\n"
        "    enum test test;\n"
        "    @switch (test) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum test1 { Wrong11, Wrong12 };\n"
        "enum test { Right1, Right2 };\n"
        "enum test2 { Wrong21, Wrong22 };\n"
        "\n"
        "int main() {\n"
        "    enum test test;\n"
        "    switch (test) {\n"
        "    case Right1:\n"
        "        break;\n"
        "    case Right2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG10366_2_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class test1 { Wrong11, Wrong12 };\n"
        "enum class test { Right1, Right2 };\n"
        "enum class test2 { Wrong21, Wrong22 };\n"
        "\n"
        "int main() {\n"
        "    enum test test;\n"
        "    @switch (test) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class test1 { Wrong11, Wrong12 };\n"
        "enum class test { Right1, Right2 };\n"
        "enum class test2 { Wrong21, Wrong22 };\n"
        "\n"
        "int main() {\n"
        "    enum test test;\n"
        "    switch (test) {\n"
        "    case test::Right1:\n"
        "        break;\n"
        "    case test::Right2:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Do not crash on incomplete case statetement.
    QTest::newRow("CompleteSwitchCaseStatement_doNotCrashOnIncompleteCase")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum E {};\n"
        "void f(E o)\n"
        "{\n"
        "    @switch (o)\n"
        "    {\n"
        "    case\n"
        "    }\n"
        "}\n"
        ) << _(
        ""
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_doNotCrashOnIncompleteCase_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class E {};\n"
        "void f(E o)\n"
        "{\n"
        "    @switch (o)\n"
        "    {\n"
        "    case\n"
        "    }\n"
        "}\n"
        ) << _(
        ""
    );

    // Checks: complete switch statement where enum is goes via a template type parameter
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG-24752")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum E {EA, EB};\n"
        "template<typename T> struct S {\n"
        "    static T theType() { return T(); }\n"
        "};\n"
        "int main() {\n"
        "    @switch (S<E>::theType()) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum E {EA, EB};\n"
        "template<typename T> struct S {\n"
        "    static T theType() { return T(); }\n"
        "};\n"
        "int main() {\n"
        "    switch (S<E>::theType()) {\n"
        "    case EA:\n"
        "        break;\n"
        "    case EB:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Same as above for enum class.
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG-24752_enumClass")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "enum class E {A, B};\n"
        "template<typename T> struct S {\n"
        "    static T theType() { return T(); }\n"
        "};\n"
        "int main() {\n"
        "    @switch (S<E>::theType()) {\n"
        "    }\n"
        "}\n"
        ) << _(
        "enum class E {A, B};\n"
        "template<typename T> struct S {\n"
        "    static T theType() { return T(); }\n"
        "};\n"
        "int main() {\n"
        "    switch (S<E>::theType()) {\n"
        "    case E::A:\n"
        "        break;\n"
        "    case E::B:\n"
        "        break;\n"
        "    }\n"
        "}\n"
    );

    // Checks: Complete switch statement where enum is return type of a template function
    //         which is outside the scope of the return value.
    // TODO: Type minimization.
    QTest::newRow("CompleteSwitchCaseStatement_QTCREATORBUG-25998")
        << CppQuickFixFactoryPtr(new CompleteSwitchCaseStatement) << _(
        "template <typename T> T enumCast(int value) { return static_cast<T>(value); }\n"
        "class Test {\n"
        "    enum class E { V1, V2 };"
        "    void func(int i) {\n"
        "        @switch (enumCast<E>(i)) {\n"
        "        }\n"
        "    }\n"
        "};\n"
        ) << _(
        "template <typename T> T enumCast(int value) { return static_cast<T>(value); }\n"
        "class Test {\n"
        "    enum class E { V1, V2 };"
        "    void func(int i) {\n"
        "        switch (enumCast<E>(i)) {\n"
        "        case Test::E::V1:\n"
        "            break;\n"
        "        case Test::E::V2:\n"
        "            break;\n"
        "        }\n"
        "    }\n"
        "};\n"
    );

    // Checks: No special treatment for reference to non const.

    // Check: Quick fix is not triggered on a member function.
    QTest::newRow("GenerateGetterSetter_notTriggeringOnMemberFunction")
        << CppQuickFixFactoryPtr(new GenerateGetterSetter)
        << _("class Something { void @f(); };\n") << _();

    // Check: Quick fix is not triggered on an member array;
    QTest::newRow("GenerateGetterSetter_notTriggeringOnMemberArray")
        << CppQuickFixFactoryPtr(new GenerateGetterSetter)
        << _("class Something { void @a[10]; };\n") << _();

    QTest::newRow("MoveDeclarationOutOfIf_ifOnly")
        << CppQuickFixFactoryPtr(new MoveDeclarationOutOfIf) << _(
        "void f()\n"
        "{\n"
        "    if (Foo *@foo = g())\n"
        "        h();\n"
        "}\n"
        ) << _(
        "void f()\n"
        "{\n"
        "    Foo *foo = g();\n"
        "    if (foo)\n"
        "        h();\n"
        "}\n"
    );

    QTest::newRow("MoveDeclarationOutOfIf_ifElse")
        << CppQuickFixFactoryPtr(new MoveDeclarationOutOfIf) << _(
        "void f()\n"
        "{\n"
        "    if (Foo *@foo = g())\n"
        "        h();\n"
        "    else\n"
        "        i();\n"
        "}\n"
        ) << _(
        "void f()\n"
        "{\n"
        "    Foo *foo = g();\n"
        "    if (foo)\n"
        "        h();\n"
        "    else\n"
        "        i();\n"
        "}\n"
    );

    QTest::newRow("MoveDeclarationOutOfIf_ifElseIf")
        << CppQuickFixFactoryPtr(new MoveDeclarationOutOfIf) << _(
        "void f()\n"
        "{\n"
        "    if (Foo *foo = g()) {\n"
        "        if (Bar *@bar = x()) {\n"
        "            h();\n"
        "            j();\n"
        "        }\n"
        "    } else {\n"
        "        i();\n"
        "    }\n"
        "}\n"
        ) << _(
        "void f()\n"
        "{\n"
        "    if (Foo *foo = g()) {\n"
        "        Bar *bar = x();\n"
        "        if (bar) {\n"
        "            h();\n"
        "            j();\n"
        "        }\n"
        "    } else {\n"
        "        i();\n"
        "    }\n"
        "}\n"
    );

    QTest::newRow("MoveDeclarationOutOfWhile_singleWhile")
        << CppQuickFixFactoryPtr(new MoveDeclarationOutOfWhile) << _(
        "void f()\n"
        "{\n"
        "    while (Foo *@foo = g())\n"
        "        j();\n"
        "}\n"
        ) << _(
        "void f()\n"
        "{\n"
        "    Foo *foo;\n"
        "    while ((foo = g()) != 0)\n"
        "        j();\n"
        "}\n"
    );

    QTest::newRow("MoveDeclarationOutOfWhile_whileInWhile")
        << CppQuickFixFactoryPtr(new MoveDeclarationOutOfWhile) << _(
        "void f()\n"
        "{\n"
        "    while (Foo *foo = g()) {\n"
        "        while (Bar *@bar = h()) {\n"
        "            i();\n"
        "            j();\n"
        "        }\n"
        "    }\n"
        "}\n"
        ) << _(
        "void f()\n"
        "{\n"
        "    while (Foo *foo = g()) {\n"
        "        Bar *bar;\n"
        "        while ((bar = h()) != 0) {\n"
        "            i();\n"
        "            j();\n"
        "        }\n"
        "    }\n"
        "}\n"
    );

    // Check: Just a basic test since the main functionality is tested in
    // cpppointerdeclarationformatter_test.cpp
    QTest::newRow("ReformatPointerDeclaration")
        << CppQuickFixFactoryPtr(new ReformatPointerDeclaration)
        << _("char@*s;")
        << _("char *s;");

    // Check from source file: If there is no header file, insert the definition after the class.
    QByteArray original =
        "struct Foo\n"
        "{\n"
        "    Foo();@\n"
        "};\n";

    QTest::newRow("InsertDefFromDecl_basic")
        << CppQuickFixFactoryPtr(new InsertDefFromDecl) << original
           << original + _(
        "\n"
        "Foo::Foo()\n"
        "{\n\n"
        "}\n"
    );

    QTest::newRow("InsertDefFromDecl_freeFunction")
        << CppQuickFixFactoryPtr(new InsertDefFromDecl)
        << _("void free()@;\n")
        << _(
        "void free()\n"
        "{\n\n"
        "}\n"
    );

    // Check not triggering when it is a statement
    QTest::newRow("InsertDefFromDecl_notTriggeringStatement")
        << CppQuickFixFactoryPtr(new InsertDefFromDecl) << _(
            "class Foo {\n"
            "public:\n"
            "    Foo() {}\n"
            "};\n"
            "void freeFunc() {\n"
            "    Foo @f();"
            "}\n"
        ) << _();

    // Check: Add local variable for a free function.
    QTest::newRow("AssignToLocalVariable_freeFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "int foo() {return 1;}\n"
        "void bar() {fo@o();}\n"
        ) << _(
        "int foo() {return 1;}\n"
        "void bar() {auto localFoo = foo();}\n"
    );

    // Check: Add local variable for a member function.
    QTest::newRow("AssignToLocalVariable_memberFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: int* fooFunc();}\n"
        "void bar() {\n"
        "    Foo *f = new Foo;\n"
        "    @f->fooFunc();\n"
        "}\n"
        ) << _(
        "class Foo {public: int* fooFunc();}\n"
        "void bar() {\n"
        "    Foo *f = new Foo;\n"
        "    auto localFooFunc = f->fooFunc();\n"
        "}\n"
    );

    // Check: Add local variable for a member function, cursor in the middle (QTCREATORBUG-10355)
    QTest::newRow("AssignToLocalVariable_memberFunction2ndGrade1")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "struct Foo {int* func();};\n"
        "struct Baz {Foo* foo();};\n"
        "void bar() {\n"
        "    Baz *b = new Baz;\n"
        "    b->foo@()->func();\n"
        "}"
        ) << _(
        "struct Foo {int* func();};\n"
        "struct Baz {Foo* foo();};\n"
        "void bar() {\n"
        "    Baz *b = new Baz;\n"
        "    auto localFunc = b->foo()->func();\n"
        "}"
    );

    // Check: Add local variable for a member function, cursor on function call (QTCREATORBUG-10355)
    QTest::newRow("AssignToLocalVariable_memberFunction2ndGrade2")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "struct Foo {int* func();};\n"
        "struct Baz {Foo* foo();};\n"
        "void bar() {\n"
        "    Baz *b = new Baz;\n"
        "    b->foo()->f@unc();\n"
        "}"
        ) << _(
        "struct Foo {int* func();};\n"
        "struct Baz {Foo* foo();};\n"
        "void bar() {\n"
        "    Baz *b = new Baz;\n"
        "    auto localFunc = b->foo()->func();\n"
        "}"
    );

    // Check: Add local variable for a static member function.
    QTest::newRow("AssignToLocalVariable_staticMemberFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: static int* fooFunc();}\n"
        "void bar() {\n"
        "    Foo::fooF@unc();\n"
        "}"
        ) << _(
        "class Foo {public: static int* fooFunc();}\n"
        "void bar() {\n"
        "    auto localFooFunc = Foo::fooFunc();\n"
        "}"
    );

    // Check: Add local variable for a new Expression.
    QTest::newRow("AssignToLocalVariable_newExpression")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {}\n"
        "void bar() {\n"
        "    new Fo@o;\n"
        "}"
        ) << _(
        "class Foo {}\n"
        "void bar() {\n"
        "    auto localFoo = new Foo;\n"
        "}"
    );

    // Check: No trigger for function inside member initialization list.
    QTest::newRow("AssignToLocalVariable_noInitializationList")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo\n"
        "{\n"
        "    public: Foo : m_i(fooF@unc()) {}\n"
        "    int fooFunc() {return 2;}\n"
        "    int m_i;\n"
        "};\n"
        ) << _();

    // Check: No trigger for void functions.
    QTest::newRow("AssignToLocalVariable_noVoidFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "void foo() {}\n"
        "void bar() {fo@o();}"
        ) << _();

    // Check: No trigger for void member functions.
    QTest::newRow("AssignToLocalVariable_noVoidMemberFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: void fooFunc();}\n"
        "void bar() {\n"
        "    Foo *f = new Foo;\n"
        "    @f->fooFunc();\n"
        "}"
        ) << _();

    // Check: No trigger for void static member functions.
    QTest::newRow("AssignToLocalVariable_noVoidStaticMemberFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: static void fooFunc();}\n"
        "void bar() {\n"
        "    Foo::fo@oFunc();\n"
        "}"
        ) << _();

    // Check: No trigger for functions in expressions.
    QTest::newRow("AssignToLocalVariable_noFunctionInExpression")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "int foo(int a) {return a;}\n"
        "int bar() {return 1;}"
        "void baz() {foo(@bar() + bar());}"
        ) << _();

    // Check: No trigger for functions in functions. (QTCREATORBUG-9510)
    QTest::newRow("AssignToLocalVariable_noFunctionInFunction")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "int foo(int a, int b) {return a + b;}\n"
        "int bar(int a) {return a;}\n"
        "void baz() {\n"
        "    int a = foo(ba@r(), bar());\n"
        "}\n"
        ) << _();

    // Check: No trigger for functions in return statements (classes).
    QTest::newRow("AssignToLocalVariable_noReturnClass1")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: static void fooFunc();}\n"
        "Foo* bar() {\n"
        "    return new Fo@o;\n"
        "}"
        ) << _();

    // Check: No trigger for functions in return statements (classes). (QTCREATORBUG-9525)
    QTest::newRow("AssignToLocalVariable_noReturnClass2")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: int fooFunc();}\n"
        "int bar() {\n"
        "    return (new Fo@o)->fooFunc();\n"
        "}"
        ) << _();

    // Check: No trigger for functions in return statements (functions).
    QTest::newRow("AssignToLocalVariable_noReturnFunc1")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "class Foo {public: int fooFunc();}\n"
        "int bar() {\n"
        "    return Foo::fooFu@nc();\n"
        "}"
        ) << _();

    // Check: No trigger for functions in return statements (functions). (QTCREATORBUG-9525)
    QTest::newRow("AssignToLocalVariable_noReturnFunc2")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "int bar() {\n"
        "    return list.firs@t().foo;\n"
        "}\n"
        ) << _();

    // Check: No trigger for functions which does not match in signature.
    QTest::newRow("AssignToLocalVariable_noSignatureMatch")
        << CppQuickFixFactoryPtr(new AssignToLocalVariable) << _(
        "int someFunc(int);\n"
        "\n"
        "void f()\n"
        "{\n"
        "    some@Func();\n"
        "}"
        ) << _();

    QTest::newRow("ExtractLiteralAsParameter_freeFunction")
        << CppQuickFixFactoryPtr(new ExtractLiteralAsParameter) << _(
        "void foo(const char *a, long b = 1)\n"
        "{return 1@56 + 123 + 156;}\n"
        ) << _(
        "void foo(const char *a, long b = 1, int newParameter = 156)\n"
        "{return newParameter + 123 + newParameter;}\n"
    );

    QTest::newRow("ExtractLiteralAsParameter_memberFunction")
        << CppQuickFixFactoryPtr(new ExtractLiteralAsParameter) << _(
        "class Narf {\n"
        "public:\n"
        "    int zort();\n"
        "};\n\n"
        "int Narf::zort()\n"
        "{ return 15@5 + 1; }\n"
        ) << _(
        "class Narf {\n"
        "public:\n"
        "    int zort(int newParameter = 155);\n"
        "};\n\n"
        "int Narf::zort(int newParameter)\n"
        "{ return newParameter + 1; }\n"
    );

    QTest::newRow("ExtractLiteralAsParameter_memberFunctionInline")
        << CppQuickFixFactoryPtr(new ExtractLiteralAsParameter) << _(
        "class Narf {\n"
        "public:\n"
        "    int zort()\n"
        "    { return 15@5 + 1; }\n"
        "};\n"
        ) << _(
        "class Narf {\n"
        "public:\n"
        "    int zort(int newParameter = 155)\n"
        "    { return newParameter + 1; }\n"
        "};\n"
    );

    // Check: optimize postcrement
    QTest::newRow("OptimizeForLoop_postcrement")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {f@or (int i = 0; i < 3; i++) {}}\n")
        << _("void foo() {for (int i = 0; i < 3; ++i) {}}\n");

    // Check: optimize condition
    QTest::newRow("OptimizeForLoop_condition")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {f@or (int i = 0; i < 3 + 5; ++i) {}}\n")
        << _("void foo() {for (int i = 0, total = 3 + 5; i < total; ++i) {}}\n");

    // Check: optimize fliped condition
    QTest::newRow("OptimizeForLoop_flipedCondition")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {f@or (int i = 0; 3 + 5 > i; ++i) {}}\n")
        << _("void foo() {for (int i = 0, total = 3 + 5; total > i; ++i) {}}\n");

    // Check: if "total" used, create other name.
    QTest::newRow("OptimizeForLoop_alterVariableName")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {f@or (int i = 0, total = 0; i < 3 + 5; ++i) {}}\n")
        << _("void foo() {for (int i = 0, total = 0, totalX = 3 + 5; i < totalX; ++i) {}}\n");

    // Check: optimize postcrement and condition
    QTest::newRow("OptimizeForLoop_optimizeBoth")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {f@or (int i = 0; i < 3 + 5; i++) {}}\n")
        << _("void foo() {for (int i = 0, total = 3 + 5; i < total; ++i) {}}\n");

    // Check: empty initializier
    QTest::newRow("OptimizeForLoop_emptyInitializer")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("int i; void foo() {f@or (; i < 3 + 5; ++i) {}}\n")
        << _("int i; void foo() {for (int total = 3 + 5; i < total; ++i) {}}\n");

    // Check: wrong initializier type -> no trigger
    QTest::newRow("OptimizeForLoop_wrongInitializer")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("int i; void foo() {f@or (double a = 0; i < 3 + 5; ++i) {}}\n")
        << _();

    // Check: No trigger when numeric
    QTest::newRow("OptimizeForLoop_noTriggerNumeric1")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {fo@r (int i = 0; i < 3; ++i) {}}\n")
        << _();

    // Check: No trigger when numeric
    QTest::newRow("OptimizeForLoop_noTriggerNumeric2")
        << CppQuickFixFactoryPtr(new OptimizeForLoop)
        << _("void foo() {fo@r (int i = 0; i < -3; ++i) {}}\n")
        << _();

    // Escape String Literal as UTF-8 (no-trigger)
    QTest::newRow("EscapeStringLiteral_notrigger")
            << CppQuickFixFactoryPtr(new EscapeStringLiteral)
            << _("const char *notrigger = \"@abcdef \\a\\n\\\\\";\n")
            << _();

    // Escape String Literal as UTF-8
    QTest::newRow("EscapeStringLiteral")
            << CppQuickFixFactoryPtr(new EscapeStringLiteral)
            << _("const char *utf8 = \"@\xe3\x81\x82\xe3\x81\x84\";\n")
            << _("const char *utf8 = \"\\xe3\\x81\\x82\\xe3\\x81\\x84\";\n");

    // Unescape String Literal as UTF-8 (from hexdecimal escape sequences)
    QTest::newRow("UnescapeStringLiteral_hex")
            << CppQuickFixFactoryPtr(new EscapeStringLiteral)
            << _("const char *hex_escaped = \"@\\xe3\\x81\\x82\\xe3\\x81\\x84\";\n")
            << _("const char *hex_escaped = \"\xe3\x81\x82\xe3\x81\x84\";\n");

    // Unescape String Literal as UTF-8 (from octal escape sequences)
    QTest::newRow("UnescapeStringLiteral_oct")
            << CppQuickFixFactoryPtr(new EscapeStringLiteral)
            << _("const char *oct_escaped = \"@\\343\\201\\202\\343\\201\\204\";\n")
            << _("const char *oct_escaped = \"\xe3\x81\x82\xe3\x81\x84\";\n");

    // Unescape String Literal as UTF-8 (triggered but no change)
    QTest::newRow("UnescapeStringLiteral_noconv")
            << CppQuickFixFactoryPtr(new EscapeStringLiteral)
            << _("const char *escaped_ascii = \"@\\x1b\";\n")
            << _("const char *escaped_ascii = \"\\x1b\";\n");

    // Unescape String Literal as UTF-8 (no conversion because of invalid utf-8)
    QTest::newRow("UnescapeStringLiteral_invalid")
            << CppQuickFixFactoryPtr(new EscapeStringLiteral)
            << _("const char *escaped = \"@\\xe3\\x81\";\n")
            << _("const char *escaped = \"\\xe3\\x81\";\n");

    QTest::newRow("ConvertFromPointer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString *@str;\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "    f1(*str);\n"
             "    f2(str);\n"
             "}\n")
        << _("void foo() {\n"
             "    QString str;\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "    f1(str);\n"
             "    f2(&str);\n"
             "}\n");

    QTest::newRow("ConvertToPointer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString @str;\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "    f1(str);\n"
             "    f2(&str);\n"
             "}\n")
        << _("void foo() {\n"
             "    QString *str = new QString;\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "    f1(*str);\n"
             "    f2(str);\n"
             "}\n");

    QTest::newRow("ConvertReferenceToPointer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString narf;"
             "    QString &@str = narf;\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "    f1(str);\n"
             "    f2(&str);\n"
             "}\n")
        << _("void foo() {\n"
             "    QString narf;"
             "    QString *str = &narf;\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "    f1(*str);\n"
             "    f2(str);\n"
             "}\n");

    QTest::newRow("ConvertFromPointer_withInitializer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString *@str = new QString(QLatin1String(\"schnurz\"));\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "}\n")
        << _("void foo() {\n"
             "    QString str(QLatin1String(\"schnurz\"));\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "}\n");

    QTest::newRow("ConvertFromPointer_withBareInitializer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString *@str = new QString;\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "}\n")
        << _("void foo() {\n"
             "    QString str;\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "}\n");

    QTest::newRow("ConvertFromPointer_withEmptyInitializer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString *@str = new QString();\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "}\n")
        << _("void foo() {\n"
             "    QString str;\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "}\n");

    QTest::newRow("ConvertFromPointer_structWithPointer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("struct Bar{ QString *str; };\n"
             "void foo() {\n"
             "    Bar *@bar = new Bar;\n"
             "    bar->str = new QString;\n"
             "    delete bar->str;\n"
             "    delete bar;\n"
             "}\n")
        << _("struct Bar{ QString *str; };\n"
             "void foo() {\n"
             "    Bar bar;\n"
             "    bar.str = new QString;\n"
             "    delete bar.str;\n"
             "    // delete bar;\n"
             "}\n");

    QTest::newRow("ConvertToPointer_withInitializer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString @str = QLatin1String(\"narf\");\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "}\n")
        << _("void foo() {\n"
             "    QString *str = new QString(QLatin1String(\"narf\"));\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "}\n");

    QTest::newRow("ConvertToPointer_withParenInitializer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString @str(QLatin1String(\"narf\"));\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "}\n")
        << _("void foo() {\n"
             "    QString *str = new QString(QLatin1String(\"narf\"));\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "}\n");

    QTest::newRow("ConvertToPointer_noTriggerRValueRefs")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo(Narf &&@narf) {}\n")
        << _();

    QTest::newRow("ConvertToPointer_noTriggerGlobal")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("int @global;\n")
        << _();

    QTest::newRow("ConvertToPointer_noTriggerClassMember")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("struct C { int @member; };\n")
        << _();

    QTest::newRow("ConvertToPointer_noTriggerClassMember2")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void f() { struct C { int @member; }; }\n")
        << _();

    QTest::newRow("ConvertToPointer_functionOfFunctionLocalClass")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void f() {\n"
             "    struct C {\n"
             "        void g() { int @member; }\n"
             "    };\n"
             "}\n")
        << _("void f() {\n"
             "    struct C {\n"
             "        void g() { int *member; }\n"
             "    };\n"
             "}\n");

    QTest::newRow("ConvertToPointer_redeclaredVariable_block")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    QString @str;\n"
             "    str.clear();\n"
             "    {\n"
             "        QString str;\n"
             "        str.clear();\n"
             "    }\n"
             "    f1(str);\n"
             "}\n")
        << _("void foo() {\n"
             "    QString *str = new QString;\n"
             "    str->clear();\n"
             "    {\n"
             "        QString str;\n"
             "        str.clear();\n"
             "    }\n"
             "    f1(*str);\n"
             "}\n");

    QTest::newRow("ConvertAutoFromPointer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    auto @str = new QString(QLatin1String(\"foo\"));\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "    f1(*str);\n"
             "    f2(str);\n"
             "}\n")
        << _("void foo() {\n"
             "    auto str = QString(QLatin1String(\"foo\"));\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "    f1(str);\n"
             "    f2(&str);\n"
             "}\n");

    QTest::newRow("ConvertAutoFromPointer2")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    auto *@str = new QString;\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "    f1(*str);\n"
             "    f2(str);\n"
             "}\n")
        << _("void foo() {\n"
             "    auto str = QString();\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "    f1(str);\n"
             "    f2(&str);\n"
             "}\n");

    QTest::newRow("ConvertAutoToPointer")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("void foo() {\n"
             "    auto @str = QString(QLatin1String(\"foo\"));\n"
             "    if (!str.isEmpty())\n"
             "        str.clear();\n"
             "    f1(str);\n"
             "    f2(&str);\n"
             "}\n")
        << _("void foo() {\n"
             "    auto @str = new QString(QLatin1String(\"foo\"));\n"
             "    if (!str->isEmpty())\n"
             "        str->clear();\n"
             "    f1(*str);\n"
             "    f2(str);\n"
             "}\n");

    QTest::newRow("ConvertToPointerWithMacro")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _("#define BAR bar\n"
             "void func()\n"
             "{\n"
             "    int @foo = 42;\n"
             "    int bar;\n"
             "    BAR = foo;\n"
             "}\n")
        << _("#define BAR bar\n"
             "void func()\n"
             "{\n"
             "    int *foo = 42;\n"
             "    int bar;\n"
             "    BAR = *foo;\n"
             "}\n");

    QString testObjAndFunc = "struct Object\n"
                             "{\n"
                             "    Object(%1){}\n"
                             "};\n"
                             "void func()\n"
                             "{\n"
                             "    %2\n"
                             "}\n";

    QTest::newRow("ConvertToStack1_QTCREATORBUG23181")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _(testObjAndFunc.arg("int").arg("Object *@obj = new Object(0);").toUtf8())
        << _(testObjAndFunc.arg("int").arg("Object obj(0);").toUtf8());

    QTest::newRow("ConvertToStack2_QTCREATORBUG23181")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _(testObjAndFunc.arg("int").arg("Object *@obj = new Object{0};").toUtf8())
        << _(testObjAndFunc.arg("int").arg("Object obj{0};").toUtf8());

    QTest::newRow("ConvertToPointer1_QTCREATORBUG23181")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _(testObjAndFunc.arg("").arg("Object @obj;").toUtf8())
        << _(testObjAndFunc.arg("").arg("Object *obj = new Object;").toUtf8());

    QTest::newRow("ConvertToPointer2_QTCREATORBUG23181")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _(testObjAndFunc.arg("").arg("Object @obj();").toUtf8())
        << _(testObjAndFunc.arg("").arg("Object *obj = new Object();").toUtf8());

    QTest::newRow("ConvertToPointer3_QTCREATORBUG23181")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _(testObjAndFunc.arg("").arg("Object @obj{};").toUtf8())
        << _(testObjAndFunc.arg("").arg("Object *obj = new Object{};").toUtf8());

    QTest::newRow("ConvertToPointer4_QTCREATORBUG23181")
        << CppQuickFixFactoryPtr(new ConvertFromAndToPointer)
        << _(testObjAndFunc.arg("int").arg("Object @obj(0);").toUtf8())
        << _(testObjAndFunc.arg("int").arg("Object *obj = new Object(0);").toUtf8());

    QTest::newRow("InsertQtPropertyMembers_noTriggerInvalidCode")
        << CppQuickFixFactoryPtr(new InsertQtPropertyMembers)
        << _("class C { @Q_PROPERTY(typeid foo READ foo) };\n")
        << _();

    QTest::newRow("convert to camel case: normal")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @lower_case_function();\n")
        << _("void lowerCaseFunction();\n");
    QTest::newRow("convert to camel case: already camel case")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @camelCaseFunction();\n")
        << _();
    QTest::newRow("convert to camel case: no underscores (lower case)")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @lowercasefunction();\n")
        << _();
    QTest::newRow("convert to camel case: no underscores (upper case)")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @UPPERCASEFUNCTION();\n")
        << _();
    QTest::newRow("convert to camel case: non-applicable underscore")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @m_a_member;\n")
        << _("void m_aMember;\n");
    QTest::newRow("convert to camel case: upper case")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @UPPER_CASE_FUNCTION();\n")
        << _("void upperCaseFunction();\n");
    QTest::newRow("convert to camel case: partially camel case already")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void mixed@_andCamelCase();\n")
        << _("void mixedAndCamelCase();\n");
    QTest::newRow("convert to camel case: wild mix")
        << CppQuickFixFactoryPtr(new ConvertToCamelCase(true))
        << _("void @WhAt_TODO_hErE();\n")
        << _("void WhAtTODOHErE();\n");
    QTest::newRow("escape string literal: simple case")
        << CppQuickFixFactoryPtr(new EscapeStringLiteral)
        << _(R"(const char *str = @"àxyz";)")
        << _(R"(const char *str = "\xc3\xa0xyz";)");
    QTest::newRow("escape string literal: simple case reverse")
        << CppQuickFixFactoryPtr(new EscapeStringLiteral)
        << _(R"(const char *str = @"\xc3\xa0xyz";)")
        << _(R"(const char *str = "àxyz";)");
    QTest::newRow("escape string literal: raw string literal")
        << CppQuickFixFactoryPtr(new EscapeStringLiteral)
        << _(R"x(const char *str = @R"(àxyz)";)x")
        << _(R"x(const char *str = R"(\xc3\xa0xyz)";)x");
    QTest::newRow("escape string literal: splitting required")
        << CppQuickFixFactoryPtr(new EscapeStringLiteral)
        << _(R"(const char *str = @"àf23бgб1";)")
        << _(R"(const char *str = "\xc3\xa0""f23\xd0\xb1g\xd0\xb1""1";)");
    QTest::newRow("escape string literal: unescape adjacent literals")
        << CppQuickFixFactoryPtr(new EscapeStringLiteral)
        << _(R"(const char *str = @"\xc3\xa0""f23\xd0\xb1g\xd0\xb1""1";)")
        << _(R"(const char *str = "àf23бgб1";)");
    QTest::newRow("AddLocalDeclaration_QTCREATORBUG-26004")
        << CppQuickFixFactoryPtr(new AddDeclarationForUndeclaredIdentifier)
        << _("void func() {\n"
             "    QStringList list;\n"
             "    @it = list.cbegin();\n"
             "}\n")
        << _("void func() {\n"
             "    QStringList list;\n"
             "    auto it = list.cbegin();\n"
             "}\n");
}

void QuickfixTest::testGeneric()
{
    QFETCH(CppQuickFixFactoryPtr, factory);
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QuickFixOperationTest(singleDocument(original, expected), factory.data());
}

void QuickfixTest::testGenerateGetterSetterNamespaceHandlingCreate_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<QByteArrayList>("sources");

    QByteArray originalSource;
    QByteArray expectedSource;

    const QByteArray originalHeader =
            "namespace N1 {\n"
            "namespace N2 {\n"
            "class Something\n"
            "{\n"
            "    int @it;\n"
            "};\n"
            "}\n"
            "}\n";
    const QByteArray expectedHeader =
            "namespace N1 {\n"
            "namespace N2 {\n"
            "class Something\n"
            "{\n"
            "    int it;\n"
            "\n"
            "public:\n"
            "    int getIt() const;\n"
            "    void setIt(int value);\n"
            "};\n"
            "}\n"
            "}\n";

    originalSource = "#include \"file.h\"\n";
    expectedSource =
            "#include \"file.h\"\n\n\n"
            "namespace N1 {\n"
            "namespace N2 {\n"
            "int Something::getIt() const\n"
            "{\n"
            "    return it;\n"
            "}\n"
            "\n"
            "void Something::setIt(int value)\n"
            "{\n"
            "    it = value;\n"
            "}\n\n"
            "}\n"
            "}\n";
    QTest::addRow("insert new namespaces")
            << QByteArrayList{originalHeader, expectedHeader}
            << QByteArrayList{originalSource, expectedSource};

    originalSource =
            "#include \"file.h\"\n"
            "namespace N2 {} // decoy\n";
    expectedSource =
            "#include \"file.h\"\n"
            "namespace N2 {} // decoy\n\n\n"
            "namespace N1 {\n"
            "namespace N2 {\n"
            "int Something::getIt() const\n"
            "{\n"
            "    return it;\n"
            "}\n"
            "\n"
            "void Something::setIt(int value)\n"
            "{\n"
            "    it = value;\n"
            "}\n\n"
            "}\n"
            "}\n";
    QTest::addRow("insert new namespaces (with decoy)")
            << QByteArrayList{originalHeader, expectedHeader}
            << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n"
                     "\n"
                     "\n"
                     "namespace N1 {\n"
                     "namespace N2 {\n"
                     "int Something::getIt() const\n"
                     "{\n"
                     "    return it;\n"
                     "}\n"
                     "\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n"
                     "\n"
                     "}\n"
                     "}\n";
    QTest::addRow("insert inner namespace (with decoy and unnamed)")
        << QByteArrayList{originalHeader, expectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    const QByteArray unnamedOriginalHeader = "namespace {\n" + originalHeader + "}\n";
    const QByteArray unnamedExpectedHeader = "namespace {\n" + expectedHeader + "}\n";

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "\n"
                     "namespace N2 {\n"
                     "int Something::getIt() const\n"
                     "{\n"
                     "    return it;\n"
                     "}\n"
                     "\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n"
                     "\n"
                     "}\n"
                     "\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    QTest::addRow("insert inner namespace in unnamed (with decoy)")
        << QByteArrayList{unnamedOriginalHeader, unnamedExpectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    originalSource =
            "#include \"file.h\"\n"
            "namespace N1 {\n"
            "namespace N2 {\n"
            "namespace N3 {\n"
            "}\n"
            "}\n"
            "}\n";
    expectedSource =
            "#include \"file.h\"\n"
            "namespace N1 {\n"
            "namespace N2 {\n"
            "namespace N3 {\n"
            "}\n\n"
            "int Something::getIt() const\n"
            "{\n"
            "    return it;\n"
            "}\n"
            "\n"
            "void Something::setIt(int value)\n"
            "{\n"
            "    it = value;\n"
            "}\n\n"
            "}\n"
            "}\n";
    QTest::addRow("all namespaces already present")
            << QByteArrayList{originalHeader, expectedHeader}
            << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "namespace N1 {\n"
                     "using namespace N2::N3;\n"
                     "using namespace N2;\n"
                     "using namespace N2;\n"
                     "using namespace N3;\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N1 {\n"
                     "using namespace N2::N3;\n"
                     "using namespace N2;\n"
                     "using namespace N2;\n"
                     "using namespace N3;\n"
                     "\n"
                     "int Something::getIt() const\n"
                     "{\n"
                     "    return it;\n"
                     "}\n"
                     "\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n\n"
                     "}\n";
    QTest::addRow("namespaces present and using namespace")
        << QByteArrayList{originalHeader, expectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "using namespace N1::N2::N3;\n"
                     "using namespace N1::N2;\n"
                     "namespace N1 {\n"
                     "using namespace N3;\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "using namespace N1::N2::N3;\n"
                     "using namespace N1::N2;\n"
                     "namespace N1 {\n"
                     "using namespace N3;\n"
                     "\n"
                     "int Something::getIt() const\n"
                     "{\n"
                     "    return it;\n"
                     "}\n"
                     "\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n"
                     "\n"
                     "}\n";
    QTest::addRow("namespaces present and outer using namespace")
        << QByteArrayList{originalHeader, expectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "using namespace N1;\n"
                     "using namespace N2;\n"
                     "namespace N3 {\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "using namespace N1;\n"
                     "using namespace N2;\n"
                     "namespace N3 {\n"
                     "}\n"
                     "\n"
                     "int Something::getIt() const\n"
                     "{\n"
                     "    return it;\n"
                     "}\n"
                     "\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("namespaces present and outer using namespace")
        << QByteArrayList{originalHeader, expectedHeader}
        << QByteArrayList{originalSource, expectedSource};
}

void QuickfixTest::testGenerateGetterSetterNamespaceHandlingCreate()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(QByteArrayList, sources);

    QList<TestDocumentPtr> testDocuments(
        {CppTestDocument::create("file.h", headers.at(0), headers.at(1)),
         CppTestDocument::create("file.cpp", sources.at(0), sources.at(1))});

    QuickFixSettings s;
    s->cppFileNamespaceHandling = CppQuickFixSettings::MissingNamespaceHandling::CreateMissing;
    s->setterParameterNameTemplate = "value";
    s->getterNameTemplate = "get<Name>";
    s->setterInCppFileFrom = 1;
    s->getterInCppFileFrom = 1;
    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 2);
}

void QuickfixTest::testGenerateGetterSetterNamespaceHandlingAddUsing_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<QByteArrayList>("sources");

    QByteArray originalSource;
    QByteArray expectedSource;

    const QByteArray originalHeader = "namespace N1 {\n"
                                      "namespace N2 {\n"
                                      "class Something\n"
                                      "{\n"
                                      "    int @it;\n"
                                      "};\n"
                                      "}\n"
                                      "}\n";
    const QByteArray expectedHeader = "namespace N1 {\n"
                                      "namespace N2 {\n"
                                      "class Something\n"
                                      "{\n"
                                      "    int it;\n"
                                      "\n"
                                      "public:\n"
                                      "    void setIt(int value);\n"
                                      "};\n"
                                      "}\n"
                                      "}\n";

    originalSource = "#include \"file.h\"\n";
    expectedSource = "#include \"file.h\"\n\n"
                     "using namespace N1::N2;\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("add using namespaces") << QByteArrayList{originalHeader, expectedHeader}
                                          << QByteArrayList{originalSource, expectedSource};

    const QByteArray unnamedOriginalHeader = "namespace {\n" + originalHeader + "}\n";
    const QByteArray unnamedExpectedHeader = "namespace {\n" + expectedHeader + "}\n";

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "using namespace N2;\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    QTest::addRow("insert using namespace into unnamed nested (with decoy)")
        << QByteArrayList{unnamedOriginalHeader, unnamedExpectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n";
    expectedSource = "#include \"file.h\"\n\n"
                     "using namespace N1::N2;\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("insert using namespace into unnamed")
        << QByteArrayList{unnamedOriginalHeader, unnamedExpectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n"
                     "\n"
                     "using namespace N1::N2;\n"
                     "void Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("insert using namespace (with decoy)")
        << QByteArrayList{originalHeader, expectedHeader}
        << QByteArrayList{originalSource, expectedSource};
}

void QuickfixTest::testGenerateGetterSetterNamespaceHandlingAddUsing()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(QByteArrayList, sources);

    QList<TestDocumentPtr> testDocuments(
        {CppTestDocument::create("file.h", headers.at(0), headers.at(1)),
         CppTestDocument::create("file.cpp", sources.at(0), sources.at(1))});

    QuickFixSettings s;
    s->cppFileNamespaceHandling = CppQuickFixSettings::MissingNamespaceHandling::AddUsingDirective;
    s->setterParameterNameTemplate = "value";
    s->setterInCppFileFrom = 1;

    if (std::strstr(QTest::currentDataTag(), "unnamed nested") != nullptr)
        QSKIP("TODO"); // FIXME
    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testGenerateGetterSetterNamespaceHandlingFullyQualify_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<QByteArrayList>("sources");

    QByteArray originalSource;
    QByteArray expectedSource;

    const QByteArray originalHeader = "namespace N1 {\n"
                                      "namespace N2 {\n"
                                      "class Something\n"
                                      "{\n"
                                      "    int @it;\n"
                                      "};\n"
                                      "}\n"
                                      "}\n";
    const QByteArray expectedHeader = "namespace N1 {\n"
                                      "namespace N2 {\n"
                                      "class Something\n"
                                      "{\n"
                                      "    int it;\n"
                                      "\n"
                                      "public:\n"
                                      "    void setIt(int value);\n"
                                      "};\n"
                                      "}\n"
                                      "}\n";

    originalSource = "#include \"file.h\"\n";
    expectedSource = "#include \"file.h\"\n\n"
                     "void N1::N2::Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("fully qualify") << QByteArrayList{originalHeader, expectedHeader}
                                   << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "\n"
                     "void N1::N2::Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("fully qualify (with decoy)") << QByteArrayList{originalHeader, expectedHeader}
                                                << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n"
                     "\n"
                     "void N1::N2::Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("qualify in inner namespace (with decoy)")
        << QByteArrayList{originalHeader, expectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    const QByteArray unnamedOriginalHeader = "namespace {\n" + originalHeader + "}\n";
    const QByteArray unnamedExpectedHeader = "namespace {\n" + expectedHeader + "}\n";

    originalSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    expectedSource = "#include \"file.h\"\n"
                     "namespace N2 {} // decoy\n"
                     "namespace {\n"
                     "namespace N1 {\n"
                     "void N2::Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n"
                     "namespace {\n"
                     "}\n"
                     "}\n"
                     "}\n";
    QTest::addRow("qualify in inner namespace unnamed nested (with decoy)")
        << QByteArrayList{unnamedOriginalHeader, unnamedExpectedHeader}
        << QByteArrayList{originalSource, expectedSource};

    originalSource = "#include \"file.h\"\n";
    expectedSource = "#include \"file.h\"\n\n"
                     "void N1::N2::Something::setIt(int value)\n"
                     "{\n"
                     "    it = value;\n"
                     "}\n";
    QTest::addRow("qualify in unnamed namespace")
        << QByteArrayList{unnamedOriginalHeader, unnamedExpectedHeader}
        << QByteArrayList{originalSource, expectedSource};
}

void QuickfixTest::testGenerateGetterSetterNamespaceHandlingFullyQualify()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(QByteArrayList, sources);

    QList<TestDocumentPtr> testDocuments(
        {CppTestDocument::create("file.h", headers.at(0), headers.at(1)),
         CppTestDocument::create("file.cpp", sources.at(0), sources.at(1))});

    QuickFixSettings s;
    s->cppFileNamespaceHandling = CppQuickFixSettings::MissingNamespaceHandling::RewriteType;
    s->setterParameterNameTemplate = "value";
    s->setterInCppFileFrom = 1;

    if (std::strstr(QTest::currentDataTag(), "unnamed nested") != nullptr)
        QSKIP("TODO"); // FIXME
    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testGenerateGetterSetterCustomNames_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<int>("operation");

    QByteArray originalSource;
    QByteArray expectedSource;

    // Check if right names are created
    originalSource = R"-(
class Test {
    int m_fooBar_test@;
};
)-";
    expectedSource = R"-(
class Test {
    int m_fooBar_test;

public:
    int give_me_foo_bar_test() const
    {
        return m_fooBar_test;
    }
    void Seet_FooBar_test(int New_Foo_Bar_Test)
    {
        if (m_fooBar_test == New_Foo_Bar_Test)
            return;
        m_fooBar_test = New_Foo_Bar_Test;
        emit newFooBarTestValue();
    }
    void set_fooBarTest_toDefault()
    {
        Seet_FooBar_test({}); // TODO: Adapt to use your actual default value
    }

signals:
    void newFooBarTestValue();

private:
    Q_PROPERTY(int fooBar_test READ give_me_foo_bar_test WRITE Seet_FooBar_test RESET set_fooBarTest_toDefault NOTIFY newFooBarTestValue FINAL)
};
)-";
    QTest::addRow("create right names") << QByteArrayList{originalSource, expectedSource} << 4;

    // Check if not triggered with custom names
    originalSource = R"-(
class Test {
    int m_fooBar_test@;

public:
    int give_me_foo_bar_test() const
    {
        return m_fooBar_test;
    }
    void Seet_FooBar_test(int New_Foo_Bar_Test)
    {
        if (m_fooBar_test == New_Foo_Bar_Test)
            return;
        m_fooBar_test = New_Foo_Bar_Test;
        emit newFooBarTestValue();
    }
    void set_fooBarTest_toDefault()
    {
        Seet_FooBar_test({}); // TODO: Adapt to use your actual default value
    }

signals:
    void newFooBarTestValue();

private:
    Q_PROPERTY(int fooBar_test READ give_me_foo_bar_test WRITE Seet_FooBar_test RESET set_fooBarTest_toDefault NOTIFY newFooBarTestValue FINAL)
};
)-";
    expectedSource = "";
    QTest::addRow("everything already exists") << QByteArrayList{originalSource, expectedSource} << 4;

    // create from Q_PROPERTY with custom names
    originalSource = R"-(
class Test {
    Q_PROPER@TY(int fooBar_test READ give_me_foo_bar_test WRITE Seet_FooBar_test RESET set_fooBarTest_toDefault NOTIFY newFooBarTestValue FINAL)

public:
    int give_me_foo_bar_test() const
    {
        return mem_fooBar_test;
    }
    void Seet_FooBar_test(int New_Foo_Bar_Test)
    {
        if (mem_fooBar_test == New_Foo_Bar_Test)
            return;
        mem_fooBar_test = New_Foo_Bar_Test;
        emit newFooBarTestValue();
    }
    void set_fooBarTest_toDefault()
    {
        Seet_FooBar_test({}); // TODO: Adapt to use your actual default value
    }

signals:
    void newFooBarTestValue();
};
)-";
    expectedSource = R"-(
class Test {
    Q_PROPERTY(int fooBar_test READ give_me_foo_bar_test WRITE Seet_FooBar_test RESET set_fooBarTest_toDefault NOTIFY newFooBarTestValue FINAL)

public:
    int give_me_foo_bar_test() const
    {
        return mem_fooBar_test;
    }
    void Seet_FooBar_test(int New_Foo_Bar_Test)
    {
        if (mem_fooBar_test == New_Foo_Bar_Test)
            return;
        mem_fooBar_test = New_Foo_Bar_Test;
        emit newFooBarTestValue();
    }
    void set_fooBarTest_toDefault()
    {
        Seet_FooBar_test({}); // TODO: Adapt to use your actual default value
    }

signals:
    void newFooBarTestValue();
private:
    int mem_fooBar_test;
};
)-";
    QTest::addRow("create only member variable")
        << QByteArrayList{originalSource, expectedSource} << 0;

    // create from Q_PROPERTY with custom names
    originalSource = R"-(
class Test {
    Q_PROPE@RTY(int fooBar_test READ give_me_foo_bar_test WRITE Seet_FooBar_test RESET set_fooBarTest_toDefault NOTIFY newFooBarTestValue FINAL)
    int mem_fooBar_test;
public:
};
)-";
    expectedSource = R"-(
class Test {
    Q_PROPERTY(int fooBar_test READ give_me_foo_bar_test WRITE Seet_FooBar_test RESET set_fooBarTest_toDefault NOTIFY newFooBarTestValue FINAL)
    int mem_fooBar_test;
public:
    int give_me_foo_bar_test() const
    {
        return mem_fooBar_test;
    }
    void Seet_FooBar_test(int New_Foo_Bar_Test)
    {
        if (mem_fooBar_test == New_Foo_Bar_Test)
            return;
        mem_fooBar_test = New_Foo_Bar_Test;
        emit newFooBarTestValue();
    }
    void set_fooBarTest_toDefault()
    {
        Seet_FooBar_test({}); // TODO: Adapt to use your actual default value
    }
signals:
    void newFooBarTestValue();
};
)-";
    QTest::addRow("create methods with given member variable")
        << QByteArrayList{originalSource, expectedSource} << 0;
}

void QuickfixTest::testGenerateGetterSetterCustomNames()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(int, operation);

    QList<TestDocumentPtr> testDocuments(
        {CppTestDocument::create("file.h", headers.at(0), headers.at(1))});

    QuickFixSettings s;
    s->setterInCppFileFrom = 0;
    s->getterInCppFileFrom = 0;
    s->setterNameTemplate = "Seet_<Name>";
    s->getterNameTemplate = "give_me_<snake>";
    s->signalNameTemplate = "new<Camel>Value";
    s->setterParameterNameTemplate = "New_<Snake>";
    s->resetNameTemplate = "set_<camel>_toDefault";
    s->memberVariableNameTemplate = "mem_<name>";
    if (operation == 0) {
        InsertQtPropertyMembers factory;
        QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), operation);
    } else {
        GenerateGetterSetter factory;
        QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), operation);
    }
}

void QuickfixTest::testGenerateGetterSetterValueTypes_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<int>("operation");

    QByteArray originalSource;
    QByteArray expectedSource;

    // int should be a value type
    originalSource = R"-(
class Test {
    int i@;
};
)-";
    expectedSource = R"-(
class Test {
    int i;

public:
    int getI() const
    {
        return i;
    }
};
)-";
    QTest::addRow("int") << QByteArrayList{originalSource, expectedSource} << 1;

    // return type should be only int without const
    originalSource = R"-(
class Test {
    const int i@;
};
)-";
    expectedSource = R"-(
class Test {
    const int i;

public:
    int getI() const
    {
        return i;
    }
};
)-";
    QTest::addRow("const int") << QByteArrayList{originalSource, expectedSource} << 0;

    // float should be a value type
    originalSource = R"-(
class Test {
    float f@;
};
)-";
    expectedSource = R"-(
class Test {
    float f;

public:
    float getF() const
    {
        return f;
    }
};
)-";
    QTest::addRow("float") << QByteArrayList{originalSource, expectedSource} << 1;

    // pointer should be a value type
    originalSource = R"-(
class Test {
    void* v@;
};
)-";
    expectedSource = R"-(
class Test {
    void* v;

public:
    void *getV() const
    {
        return v;
    }
};
)-";
    QTest::addRow("pointer") << QByteArrayList{originalSource, expectedSource} << 1;

    // reference should be a value type (setter is const ref)
    originalSource = R"-(
class Test {
    int& r@;
};
)-";
    expectedSource = R"-(
class Test {
    int& r;

public:
    int &getR() const
    {
        return r;
    }
    void setR(const int &newR)
    {
        r = newR;
    }
};
)-";
    QTest::addRow("reference to value type") << QByteArrayList{originalSource, expectedSource} << 2;

    // reference should be a value type
    originalSource = R"-(
using bar = int;
class Test {
    bar i@;
};
)-";
    expectedSource = R"-(
using bar = int;
class Test {
    bar i;

public:
    bar getI() const
    {
        return i;
    }
};
)-";
    QTest::addRow("value type through using") << QByteArrayList{originalSource, expectedSource} << 1;

    // enum should be a value type
    originalSource = R"-(
enum Foo{V1, V2};
class Test {
    Foo e@;
};
)-";
    expectedSource = R"-(
enum Foo{V1, V2};
class Test {
    Foo e;

public:
    Foo getE() const
    {
        return e;
    }
};
)-";
    QTest::addRow("enum") << QByteArrayList{originalSource, expectedSource} << 1;

    // class should not be a value type
    originalSource = R"-(
class NoVal{};
class Test {
    NoVal n@;
};
)-";
    expectedSource = R"-(
class NoVal{};
class Test {
    NoVal n;

public:
    const NoVal &getN() const
    {
        return n;
    }
};
)-";
    QTest::addRow("class") << QByteArrayList{originalSource, expectedSource} << 1;

    // custom classes can be a value type
    originalSource = R"-(
class Value{};
class Test {
    Value v@;
};
)-";
    expectedSource = R"-(
class Value{};
class Test {
    Value v;

public:
    Value getV() const
    {
        return v;
    }
};
)-";
    QTest::addRow("value class") << QByteArrayList{originalSource, expectedSource} << 1;

    // custom classes (in namespace) can be a value type
    originalSource = R"-(
namespace N1{
class Value{};
}
class Test {
    N1::Value v@;
};
)-";
    expectedSource = R"-(
namespace N1{
class Value{};
}
class Test {
    N1::Value v;

public:
    N1::Value getV() const
    {
        return v;
    }
};
)-";
    QTest::addRow("value class in namespace") << QByteArrayList{originalSource, expectedSource} << 1;

    // custom template class can be a value type
    originalSource = R"-(
template<typename T>
class Value{};
class Test {
    Value<int> v@;
};
)-";
    expectedSource = R"-(
template<typename T>
class Value{};
class Test {
    Value<int> v;

public:
    Value<int> getV() const
    {
        return v;
    }
};
)-";
    QTest::addRow("value template class") << QByteArrayList{originalSource, expectedSource} << 1;
}

void QuickfixTest::testGenerateGetterSetterValueTypes()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(int, operation);

    QList<TestDocumentPtr> testDocuments(
        {CppTestDocument::create("file.h", headers.at(0), headers.at(1))});

    QuickFixSettings s;
    s->setterInCppFileFrom = 0;
    s->getterInCppFileFrom = 0;
    s->getterNameTemplate = "get<Name>";
    s->valueTypes << "Value";
    s->returnByConstRef = true;

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), operation);
}

/// Checks: Use template for a custom type
void QuickfixTest::testGenerateGetterSetterCustomTemplate()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    const _ customTypeDecl = R"--(
namespace N1 {
namespace N2 {
struct test{};
}
template<typename T>
struct custom {
    void assign(const custom<T>&);
    bool equals(const custom<T>&);
    T* get();
};
)--";
    // Header File
    original = customTypeDecl + R"--(
class Foo
{
public:
    custom<N2::test> bar@;
};
})--";
    expected = customTypeDecl + R"--(
class Foo
{
public:
    custom<N2::test> bar@;
    N2::test *getBar() const;
    void setBar(const custom<N2::test> &newBar);
signals:
    void barChanged(N2::test *bar);
private:
    Q_PROPERTY(N2::test *bar READ getBar NOTIFY barChanged FINAL)
};
})--";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = "";
    expected = R"-(
using namespace N1;
N2::test *Foo::getBar() const
{
    return bar.get();
}

void Foo::setBar(const custom<N2::test> &newBar)
{
    if (bar.equals(newBar))
        return;
    bar.assign(newBar);
    emit barChanged(bar.get());
}
)-";

    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    QuickFixSettings s;
    s->cppFileNamespaceHandling = CppQuickFixSettings::MissingNamespaceHandling::AddUsingDirective;
    s->getterNameTemplate = "get<Name>";
    s->getterInCppFileFrom = 1;
    s->signalWithNewValue = true;
    CppQuickFixSettings::CustomTemplate t;
    t.types.append("custom");
    t.equalComparison = "<cur>.equals(<new>)";
    t.returnExpression = "<cur>.get()";
    t.returnType = "<T> *";
    t.assignment = "<cur>.assign(<new>)";
    s->customTemplates.push_back(t);

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 5);
}

/// Checks: if the setter parameter name is the same as the member variable name, this-> is needed
void QuickfixTest::testGenerateGetterSetterNeedThis()
{
    QList<TestDocumentPtr> testDocuments;

    // Header File
    const QByteArray original = R"-(
class Foo {
    int bar@;
public:
};
)-";
    const QByteArray expected = R"-(
class Foo {
    int bar@;
public:
    void setBar(int bar)
    {
        this->bar = bar;
    }
};
)-";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    QuickFixSettings s;
    s->setterParameterNameTemplate = "<name>";
    s->setterInCppFileFrom = 0;

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 0);
}

void QuickfixTest::testGenerateGetterSetterOfferedFixes_data()
{
    QTest::addColumn<QByteArray>("header");
    QTest::addColumn<QStringList>("offered");

    QByteArray header;
    QStringList offered;
    const QString setter = QStringLiteral("Generate Setter");
    const QString getter = QStringLiteral("Generate Getter");
    const QString getset = QStringLiteral("Generate Getter and Setter");
    const QString constQandMissing = QStringLiteral(
        "Generate Constant Q_PROPERTY and Missing Members");
    const QString qAndResetAndMissing = QStringLiteral(
        "Generate Q_PROPERTY and Missing Members with Reset Function");
    const QString qAndMissing = QStringLiteral("Generate Q_PROPERTY and Missing Members");
    const QStringList all{setter, getter, getset, constQandMissing, qAndResetAndMissing, qAndMissing};

    header = R"-(
class Foo {
    static int bar@;
};
)-";
    offered = QStringList{setter, getter, getset, constQandMissing};
    QTest::addRow("static") << header << offered;

    header = R"-(
class Foo {
    static const int bar@;
};
)-";
    offered = QStringList{getter, constQandMissing};
    QTest::addRow("const static") << header << offered;

    header = R"-(
class Foo {
    const int bar@;
};
)-";
    offered = QStringList{getter, constQandMissing};
    QTest::addRow("const") << header << offered;

    header = R"-(
class Foo {
    const int bar@;
    int getBar() const;
};
)-";
    offered = QStringList{constQandMissing};
    QTest::addRow("const + getter") << header << offered;

    header = R"-(
class Foo {
    const int bar@;
    int getBar() const;
    void setBar(int value);
};
)-";
    offered = QStringList{};
    QTest::addRow("const + getter + setter") << header << offered;

    header = R"-(
class Foo {
    const int* bar@;
};
)-";
    offered = all;
    QTest::addRow("pointer to const") << header << offered;

    header = R"-(
class Foo {
    int bar@;
public:
    int bar();
};
)-";
    offered = QStringList{setter, constQandMissing, qAndResetAndMissing, qAndMissing};
    QTest::addRow("existing getter") << header << offered;

    header = R"-(
class Foo {
    int bar@;
public:
    set setBar(int);
};
)-";
    offered = QStringList{getter};
    QTest::addRow("existing setter") << header << offered;

    header = R"-(
class Foo {
    int bar@;
signals:
    void barChanged(int);
};
)-";
    offered = QStringList{setter, getter, getset, qAndResetAndMissing, qAndMissing};
    QTest::addRow("existing signal (no const Q_PROPERTY)") << header << offered;

    header = R"-(
class Foo {
    int m_bar@;
    Q_PROPERTY(int bar)
};
)-";
    offered = QStringList{}; // user should use "InsertQPropertyMembers", no duplicated code
    QTest::addRow("existing Q_PROPERTY") << header << offered;
}

void QuickfixTest::testGenerateGetterSetterOfferedFixes()
{
    QFETCH(QByteArray, header);
    QFETCH(QStringList, offered);

    QList<TestDocumentPtr> testDocuments(
        {CppTestDocument::create("file.h", header, header)});

    GenerateGetterSetter factory;
    QuickFixOfferedOperationsTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), offered);
}

void QuickfixTest::testGenerateGetterSetterGeneralTests_data()
{
    QTest::addColumn<int>("operation");
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    QTest::newRow("GenerateGetterSetter_referenceToNonConst")
        << 2
        << _("\n"
             "class Something\n"
             "{\n"
             "    int &it@;\n"
             "};\n")
        << _("\n"
             "class Something\n"
             "{\n"
             "    int &it;\n"
             "\n"
             "public:\n"
             "    int &getIt() const;\n"
             "    void setIt(const int &it);\n"
             "};\n"
             "\n"
             "int &Something::getIt() const\n"
             "{\n"
             "    return it;\n"
             "}\n"
             "\n"
             "void Something::setIt(const int &it)\n"
             "{\n"
             "    this->it = it;\n"
             "}\n");

    // Checks: No special treatment for reference to const.
    QTest::newRow("GenerateGetterSetter_referenceToConst")
        << 2
        << _("\n"
             "class Something\n"
             "{\n"
             "    const int &it@;\n"
             "};\n")
        << _("\n"
             "class Something\n"
             "{\n"
             "    const int &it;\n"
             "\n"
             "public:\n"
             "    const int &getIt() const;\n"
             "    void setIt(const int &it);\n"
             "};\n"
             "\n"
             "const int &Something::getIt() const\n"
             "{\n"
             "    return it;\n"
             "}\n"
             "\n"
             "void Something::setIt(const int &it)\n"
             "{\n"
             "    this->it = it;\n"
             "}\n");

    // Checks:
    // 1. Setter: Setter is a static function.
    // 2. Getter: Getter is a static, non const function.
    QTest::newRow("GenerateGetterSetter_staticMember")
        << 2
        << _("\n"
             "class Something\n"
             "{\n"
             "    static int @m_member;\n"
             "};\n")
        << _("\n"
             "class Something\n"
             "{\n"
             "    static int m_member;\n"
             "\n"
             "public:\n"
             "    static int member();\n"
             "    static void setMember(int member);\n"
             "};\n"
             "\n"
             "int Something::member()\n"
             "{\n"
             "    return m_member;\n"
             "}\n"
             "\n"
             "void Something::setMember(int member)\n"
             "{\n"
             "    m_member = member;\n"
             "}\n");

    // Check: Check if it works on the second declarator
    // clang-format off
    QTest::newRow("GenerateGetterSetter_secondDeclarator") << 2
        << _("\n"
            "class Something\n"
            "{\n"
            "    int *foo, @it;\n"
            "};\n")
        << _("\n"
            "class Something\n"
            "{\n"
            "    int *foo, it;\n"
            "\n"
            "public:\n"
            "    int getIt() const;\n"
            "    void setIt(int it);\n"
            "};\n"
            "\n"
            "int Something::getIt() const\n"
            "{\n"
            "    return it;\n"
            "}\n"
            "\n"
            "void Something::setIt(int it)\n"
            "{\n"
            "    this->it = it;\n"
            "}\n");
    // clang-format on

    // Check: Quick fix is offered for "int *@it;" ('@' denotes the text cursor position)
    QTest::newRow("GenerateGetterSetter_triggeringRightAfterPointerSign")
        << 2
        << _("\n"
             "class Something\n"
             "{\n"
             "    int *@it;\n"
             "};\n")
        << _("\n"
             "class Something\n"
             "{\n"
             "    int *it;\n"
             "\n"
             "public:\n"
             "    int *getIt() const;\n"
             "    void setIt(int *it);\n"
             "};\n"
             "\n"
             "int *Something::getIt() const\n"
             "{\n"
             "    return it;\n"
             "}\n"
             "\n"
             "void Something::setIt(int *it)\n"
             "{\n"
             "    this->it = it;\n"
             "}\n");

    // Checks if "m_" is recognized as "m" with the postfix "_" and not simply as "m_" prefix.
    QTest::newRow("GenerateGetterSetter_recognizeMasVariableName")
        << 2
        << _("\n"
             "class Something\n"
             "{\n"
             "    int @m_;\n"
             "};\n")
        << _("\n"
             "class Something\n"
             "{\n"
             "    int m_;\n"
             "\n"
             "public:\n"
             "    int m() const;\n"
             "    void setM(int m);\n"
             "};\n"
             "\n"
             "int Something::m() const\n"
             "{\n"
             "    return m_;\n"
             "}\n"
             "\n"
             "void Something::setM(int m)\n"
             "{\n"
             "    m_ = m;\n"
             "}\n");

    // Checks if "m" followed by an upper character is recognized as a prefix
    QTest::newRow("GenerateGetterSetter_recognizeMFollowedByCapital")
        << 2
        << _("\n"
             "class Something\n"
             "{\n"
             "    int @mFoo;\n"
             "};\n")
        << _("\n"
             "class Something\n"
             "{\n"
             "    int mFoo;\n"
             "\n"
             "public:\n"
             "    int foo() const;\n"
             "    void setFoo(int foo);\n"
             "};\n"
             "\n"
             "int Something::foo() const\n"
             "{\n"
             "    return mFoo;\n"
             "}\n"
             "\n"
             "void Something::setFoo(int foo)\n"
             "{\n"
             "    mFoo = foo;\n"
             "}\n");
}
void QuickfixTest::testGenerateGetterSetterGeneralTests()
{
    QFETCH(int, operation);
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QuickFixSettings s;
    s->setterParameterNameTemplate = "<name>";
    s->getterInCppFileFrom = 1;
    s->setterInCppFileFrom = 1;

    GenerateGetterSetter factory;
    QuickFixOperationTest(singleDocument(original, expected),
                          &factory,
                          ProjectExplorer::HeaderPaths(),
                          operation);
}
/// Checks: Only generate getter
void QuickfixTest::testGenerateGetterSetterOnlyGetter()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    int bar@;\n"
        "};\n";
    expected =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    int bar@;\n"
        "    int getBar() const;\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original.resize(0);
    expected =
        "\n"
        "int Foo::getBar() const\n"
        "{\n"
        "    return bar;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    QuickFixSettings s;
    s->getterInCppFileFrom = 1;
    s->getterNameTemplate = "get<Name>";
    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 1);
}

/// Checks: Only generate setter
void QuickfixTest::testGenerateGetterSetterOnlySetter()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;
    QuickFixSettings s;
    s->setterAsSlot = true; // To be ignored, as we don't have QObjects here.

    // Header File
    original =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    int bar@;\n"
        "};\n";
    expected =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    int bar@;\n"
        "    void setBar(int value);\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original.resize(0);
    expected =
        "\n"
        "void Foo::setBar(int value)\n"
        "{\n"
        "    bar = value;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    s->setterInCppFileFrom = 1;
    s->setterParameterNameTemplate = "value";

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 0);
}

void QuickfixTest::testGenerateGetterSetterAnonymousClass()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;
    QuickFixSettings s;
    s->setterInCppFileFrom = 1;
    s->setterParameterNameTemplate = "value";

    // Header File
    original = R"(
    class {
        int @m_foo;
    } bar;
)";
    expected = R"(
    class {
        int m_foo;

    public:
        int foo() const
        {
            return m_foo;
        }
        void setFoo(int value)
        {
            if (m_foo == value)
                return;
            m_foo = value;
            emit fooChanged();
        }
        void resetFoo()
        {
            setFoo({}); // TODO: Adapt to use your actual default defaultValue
        }

    signals:
        void fooChanged();

    private:
        Q_PROPERTY(int foo READ foo WRITE setFoo RESET resetFoo NOTIFY fooChanged FINAL)
    } bar;
)";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    testDocuments << CppTestDocument::create("file.cpp", {}, {});

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 4);
}

void QuickfixTest::testGenerateGetterSetterInlineInHeaderFile()
{
    QList<TestDocumentPtr> testDocuments;
    const QByteArray original = R"-(
class Foo {
public:
    int bar@;
};
)-";
    const QByteArray expected = R"-(
class Foo {
public:
    int bar;
    int getBar() const;
    void setBar(int value);
    void resetBar();
signals:
    void barChanged();
private:
    Q_PROPERTY(int bar READ getBar WRITE setBar RESET resetBar NOTIFY barChanged FINAL)
};

inline int Foo::getBar() const
{
    return bar;
}

inline void Foo::setBar(int value)
{
    if (bar == value)
        return;
    bar = value;
    emit barChanged();
}

inline void Foo::resetBar()
{
    setBar({}); // TODO: Adapt to use your actual default defaultValue
}
)-";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    QuickFixSettings s;
    s->setterOutsideClassFrom = 1;
    s->getterOutsideClassFrom = 1;
    s->setterParameterNameTemplate = "value";
    s->getterNameTemplate = "get<Name>";

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 4);
}

void QuickfixTest::testGenerateGetterSetterOnlySetterHeaderFileWithIncludeGuard()
{
    QList<TestDocumentPtr> testDocuments;
    const QByteArray     original =
            "#ifndef FILE__H__DECLARED\n"
            "#define FILE__H__DECLARED\n"
            "class Foo\n"
            "{\n"
            "public:\n"
            "    int bar@;\n"
            "};\n"
            "#endif\n";
    const QByteArray expected =
            "#ifndef FILE__H__DECLARED\n"
            "#define FILE__H__DECLARED\n"
            "class Foo\n"
            "{\n"
            "public:\n"
            "    int bar@;\n"
            "    void setBar(int value);\n"
            "};\n\n"
            "inline void Foo::setBar(int value)\n"
            "{\n"
            "    bar = value;\n"
            "}\n"
            "#endif\n";

    testDocuments << CppTestDocument::create("file.h", original, expected);

    QuickFixSettings s;
    s->setterOutsideClassFrom = 1;
    s->setterParameterNameTemplate = "value";

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 0);
}

void QuickfixTest::testGenerateGetterFunctionAsTemplateArg()
{
    QList<TestDocumentPtr> testDocuments;
    const QByteArray original = R"(
template<typename T> class TS {};
template<typename T, typename U> class TS<T(U)> {};

class S2 {
    TS<int(int)> @member;
};
)";
    const QByteArray expected = R"(
template<typename T> class TS {};
template<typename T, typename U> class TS<T(U)> {};

class S2 {
    TS<int(int)> member;

public:
    const TS<int (int)> &getMember() const
    {
        return member;
    }
};
)";

    testDocuments << CppTestDocument::create("file.h", original, expected);

    QuickFixSettings s;
    s->getterOutsideClassFrom = 0;
    s->getterInCppFileFrom = 0;
    s->getterNameTemplate = "get<Name>";
    s->returnByConstRef = true;

    GenerateGetterSetter factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 1);
}

class CppCodeStyleSettingsChanger {
public:
    CppCodeStyleSettingsChanger(const CppCodeStyleSettings &settings);
    ~CppCodeStyleSettingsChanger(); // Restore original

    static CppCodeStyleSettings currentSettings();

private:
    void setSettings(const CppCodeStyleSettings &settings);

    CppCodeStyleSettings m_originalSettings;
};

CppCodeStyleSettingsChanger::CppCodeStyleSettingsChanger(const CppCodeStyleSettings &settings)
{
    m_originalSettings = currentSettings();
    setSettings(settings);
}

CppCodeStyleSettingsChanger::~CppCodeStyleSettingsChanger()
{
    setSettings(m_originalSettings);
}

void CppCodeStyleSettingsChanger::setSettings(const CppCodeStyleSettings &settings)
{
    QVariant variant;
    variant.setValue(settings);

    CppToolsSettings::cppCodeStyle()->currentDelegate()->setValue(variant);
}

CppCodeStyleSettings CppCodeStyleSettingsChanger::currentSettings()
{
    return CppToolsSettings::cppCodeStyle()->currentDelegate()->value().value<CppCodeStyleSettings>();
}

void QuickfixTest::testGenerateGettersSetters_data()
{
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    const QByteArray onlyReset = R"(
class Foo {
public:
    int bar() const;
    void setBar(int bar);
private:
    int m_bar;
@};)";

    const QByteArray onlyResetAfter = R"(
class @Foo {
public:
    int bar() const;
    void setBar(int bar);
    void resetBar();

private:
    int m_bar;
};
inline void Foo::resetBar()
{
    setBar({}); // TODO: Adapt to use your actual default defaultValue
}
)";
    QTest::addRow("only reset") << onlyReset << onlyResetAfter;

    const QByteArray withCandidates = R"(
class @Foo {
public:
    int bar() const;
    void setBar(int bar) { m_bar = bar; }

    int getBar2() const;

    int m_alreadyPublic;

private:
    friend void distraction();
    class AnotherDistraction {};
    enum EvenMoreDistraction { val1, val2 };

    int m_bar;
    int bar2_;
    QString bar3;
};)";
    const QByteArray after = R"(
class Foo {
public:
    int bar() const;
    void setBar(int bar) { m_bar = bar; }

    int getBar2() const;

    int m_alreadyPublic;

    void resetBar();
    void setBar2(int value);
    void resetBar2();
    const QString &getBar3() const;
    void setBar3(const QString &value);
    void resetBar3();

signals:
    void bar2Changed();
    void bar3Changed();

private:
    friend void distraction();
    class AnotherDistraction {};
    enum EvenMoreDistraction { val1, val2 };

    int m_bar;
    int bar2_;
    QString bar3;
    Q_PROPERTY(int bar2 READ getBar2 WRITE setBar2 RESET resetBar2 NOTIFY bar2Changed FINAL)
    Q_PROPERTY(QString bar3 READ getBar3 WRITE setBar3 RESET resetBar3 NOTIFY bar3Changed FINAL)
};
inline void Foo::resetBar()
{
    setBar({}); // TODO: Adapt to use your actual default defaultValue
}

inline void Foo::setBar2(int value)
{
    if (bar2_ == value)
        return;
    bar2_ = value;
    emit bar2Changed();
}

inline void Foo::resetBar2()
{
    setBar2({}); // TODO: Adapt to use your actual default defaultValue
}

inline const QString &Foo::getBar3() const
{
    return bar3;
}

inline void Foo::setBar3(const QString &value)
{
    if (bar3 == value)
        return;
    bar3 = value;
    emit bar3Changed();
}

inline void Foo::resetBar3()
{
    setBar3({}); // TODO: Adapt to use your actual default defaultValue
}
)";
    QTest::addRow("with candidates") << withCandidates << after;
}

void QuickfixTest::testGenerateGettersSetters()
{
    class TestFactory : public GenerateGettersSettersForClass
    {
    public:
        TestFactory() { setTest(); }
    };

    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QuickFixSettings s;
    s->getterNameTemplate = "get<Name>";
    s->setterParameterNameTemplate = "value";
    s->setterOutsideClassFrom = 1;
    s->getterOutsideClassFrom = 1;
    s->returnByConstRef = true;

    TestFactory factory;
    QuickFixOperationTest({CppTestDocument::create("file.h", original, expected)}, &factory);
}

void QuickfixTest::testInsertQtPropertyMembers_data()
{
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    QTest::newRow("InsertQtPropertyMembers")
        << _("struct QObject { void connect(); }\n"
             "struct XmarksTheSpot : public QObject {\n"
             "    @Q_PROPERTY(int it READ getIt WRITE setIt RESET resetIt NOTIFY itChanged)\n"
             "};\n")
        << _("struct QObject { void connect(); }\n"
             "struct XmarksTheSpot : public QObject {\n"
             "    Q_PROPERTY(int it READ getIt WRITE setIt RESET resetIt NOTIFY itChanged)\n"
             "\n"
             "public:\n"
             "    int getIt() const;\n"
             "\n"
             "public slots:\n"
             "    void setIt(int it)\n"
             "    {\n"
             "        if (m_it == it)\n"
             "            return;\n"
             "        m_it = it;\n"
             "        emit itChanged(m_it);\n"
             "    }\n"
             "    void resetIt()\n"
             "    {\n"
             "        setIt({}); // TODO: Adapt to use your actual default value\n"
             "    }\n"
             "\n"
             "signals:\n"
             "    void itChanged(int it);\n"
             "\n"
             "private:\n"
             "    int m_it;\n"
             "};\n"
             "\n"
             "int XmarksTheSpot::getIt() const\n"
             "{\n"
             "    return m_it;\n"
             "}\n");

    QTest::newRow("InsertQtPropertyMembersResetWithoutSet")
        << _("struct QObject { void connect(); }\n"
             "struct XmarksTheSpot : public QObject {\n"
             "    @Q_PROPERTY(int it READ getIt RESET resetIt NOTIFY itChanged)\n"
             "};\n")
        << _("struct QObject { void connect(); }\n"
             "struct XmarksTheSpot : public QObject {\n"
             "    Q_PROPERTY(int it READ getIt RESET resetIt NOTIFY itChanged)\n"
             "\n"
             "public:\n"
             "    int getIt() const;\n"
             "\n"
             "public slots:\n"
             "    void resetIt()\n"
             "    {\n"
             "        static int defaultValue{}; // TODO: Adapt to use your actual default "
             "value\n"
             "        if (m_it == defaultValue)\n"
             "            return;\n"
             "        m_it = defaultValue;\n"
             "        emit itChanged(m_it);\n"
             "    }\n"
             "\n"
             "signals:\n"
             "    void itChanged(int it);\n"
             "\n"
             "private:\n"
             "    int m_it;\n"
             "};\n"
             "\n"
             "int XmarksTheSpot::getIt() const\n"
             "{\n"
             "    return m_it;\n"
             "}\n");

    QTest::newRow("InsertQtPropertyMembersResetWithoutSetAndNotify")
        << _("struct QObject { void connect(); }\n"
             "struct XmarksTheSpot : public QObject {\n"
             "    @Q_PROPERTY(int it READ getIt RESET resetIt)\n"
             "};\n")
        << _("struct QObject { void connect(); }\n"
             "struct XmarksTheSpot : public QObject {\n"
             "    Q_PROPERTY(int it READ getIt RESET resetIt)\n"
             "\n"
             "public:\n"
             "    int getIt() const;\n"
             "\n"
             "public slots:\n"
             "    void resetIt()\n"
             "    {\n"
             "        static int defaultValue{}; // TODO: Adapt to use your actual default "
             "value\n"
             "        m_it = defaultValue;\n"
             "    }\n"
             "\n"
             "private:\n"
             "    int m_it;\n"
             "};\n"
             "\n"
             "int XmarksTheSpot::getIt() const\n"
             "{\n"
             "    return m_it;\n"
             "}\n");

    QTest::newRow("InsertQtPropertyMembersPrivateBeforePublic")
        << _("struct QObject { void connect(); }\n"
             "class XmarksTheSpot : public QObject {\n"
             "private:\n"
             "    @Q_PROPERTY(int it READ getIt WRITE setIt NOTIFY itChanged)\n"
             "public:\n"
             "    void find();\n"
             "};\n")
        << _("struct QObject { void connect(); }\n"
             "class XmarksTheSpot : public QObject {\n"
             "private:\n"
             "    Q_PROPERTY(int it READ getIt WRITE setIt NOTIFY itChanged)\n"
             "    int m_it;\n"
             "\n"
             "public:\n"
             "    void find();\n"
             "    int getIt() const;\n"
             "public slots:\n"
             "    void setIt(int it)\n"
             "    {\n"
             "        if (m_it == it)\n"
             "            return;\n"
             "        m_it = it;\n"
             "        emit itChanged(m_it);\n"
             "    }\n"
             "signals:\n"
             "    void itChanged(int it);\n"
             "};\n"
             "\n"
             "int XmarksTheSpot::getIt() const\n"
             "{\n"
             "    return m_it;\n"
             "}\n");
}

void QuickfixTest::testInsertQtPropertyMembers()
{
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QuickFixSettings s;
    s->setterAsSlot = true;
    s->setterInCppFileFrom = 0;
    s->setterParameterNameTemplate = "<name>";
    s->signalWithNewValue = true;

    InsertQtPropertyMembers factory;
    QuickFixOperationTest({CppTestDocument::create("file.cpp", original, expected)}, &factory);
}

void QuickfixTest::testInsertMemberFromUse_data()
{
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    QByteArray original;
    QByteArray expected;

    original =
            "class C {\n"
            "public:\n"
            "    C(int x) : @m_x(x) {}\n"
            "private:\n"
            "    int m_y;\n"
            "};\n";
    expected =
            "class C {\n"
            "public:\n"
            "    C(int x) : m_x(x) {}\n"
            "private:\n"
            "    int m_y;\n"
            "    int m_x;\n"
            "};\n";
    QTest::addRow("inline constructor") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    C(int x, double d);\n"
        "private:\n"
        "    int m_x;\n"
        "};\n"
        "C::C(int x, double d) : m_x(x), @m_d(d)\n";
    expected =
        "class C {\n"
        "public:\n"
        "    C(int x, double d);\n"
        "private:\n"
        "    int m_x;\n"
        "    double m_d;\n"
        "};\n"
        "C::C(int x, double d) : m_x(x), m_d(d)\n";
    QTest::addRow("out-of-line constructor") << original << expected;

    original =
            "class C {\n"
            "public:\n"
            "    C(int x) : @m_x(x) {}\n"
            "private:\n"
            "    int m_x;\n"
            "};\n";
    expected = "";
    QTest::addRow("member already present") << original << expected;

    original =
            "int func() { return 0; }\n"
            "class C {\n"
            "public:\n"
            "    C() : @m_x(func()) {}\n"
            "private:\n"
            "    int m_y;\n"
            "};\n";
    expected =
            "int func() { return 0; }\n"
            "class C {\n"
            "public:\n"
            "    C() : m_x(func()) {}\n"
            "private:\n"
            "    int m_y;\n"
            "    int m_x;\n"
            "};\n";
    QTest::addRow("initialization via function call") << original << expected;

    original =
        "struct S {\n\n};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.@value = v; }\n"
        "private:\n"
        "    S m_s;\n"
        "};\n";
    expected =
        "struct S {\n\n"
        "    int value;\n"
        "};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.value = v; }\n"
        "private:\n"
        "    S m_s;\n"
        "};\n";
    QTest::addRow("add member to other struct") << original << expected;

    original =
        "struct S {\n\n};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { S::@value = v; }\n"
        "};\n";
    expected =
        "struct S {\n\n"
        "    static int value;\n"
        "};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { S::value = v; }\n"
        "};\n";
    QTest::addRow("add static member to other struct (explicit)") << original << expected;

    original =
        "struct S {\n\n};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.@value = v; }\n"
        "private:\n"
        "    static S m_s;\n"
        "};\n";
    expected =
        "struct S {\n\n"
        "    static int value;\n"
        "};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.value = v; }\n"
        "private:\n"
        "    static S m_s;\n"
        "};\n";
    QTest::addRow("add static member to other struct (implicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    void setValue(int v);\n"
        "};\n"
        "void C::setValue(int v) { this->@m_value = v; }\n";
    expected =
        "class C {\n"
        "public:\n"
        "    void setValue(int v);\n"
        "private:\n"
        "    int m_value;\n"
        "};\n"
        "void C::setValue(int v) { this->@m_value = v; }\n";
    QTest::addRow("add member to this (explicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { @m_value = v; }\n"
        "};\n";
    expected =
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_value = v; }\n"
        "private:\n"
        "    int m_value;\n"
        "};\n";
    QTest::addRow("add member to this (implicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    static void setValue(int v) { @m_value = v; }\n"
        "};\n";
    expected =
        "class C {\n"
        "public:\n"
        "    static void setValue(int v) { m_value = v; }\n"
        "private:\n"
        "    static int m_value;\n"
        "};\n";
    QTest::addRow("add static member to this (inline)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    static void setValue(int v);\n"
        "};\n"
        "void C::setValue(int v) { @m_value = v; }\n";
    expected =
        "class C {\n"
        "public:\n"
        "    static void setValue(int v);\n"
        "private:\n"
        "    static int m_value;\n"
        "};\n"
        "void C::setValue(int v) { @m_value = v; }\n";
    QTest::addRow("add static member to this (non-inline)") << original << expected;

    original =
        "struct S {\n\n};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.@setValue(v); }\n"
        "private:\n"
        "    S m_s;\n"
        "};\n";
    expected =
        "struct S {\n\n"
        "    void setValue(int);\n"
        "};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.setValue(v); }\n"
        "private:\n"
        "    S m_s;\n"
        "};\n";
    QTest::addRow("add member function to other struct") << original << expected;

    original =
        "struct S {\n\n};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { S::@setValue(v); }\n"
        "};\n";
    expected =
        "struct S {\n\n"
        "    static void setValue(int);\n"
        "};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { S::setValue(v); }\n"
        "};\n";
    QTest::addRow("add static member function to other struct (explicit)") << original << expected;

    original =
        "struct S {\n\n};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.@setValue(v); }\n"
        "private:\n"
        "    static S m_s;\n"
        "};\n";
    expected =
        "struct S {\n\n"
        "    static void setValue(int);\n"
        "};\n"
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { m_s.setValue(v); }\n"
        "private:\n"
        "    static S m_s;\n"
        "};\n";
    QTest::addRow("add static member function to other struct (implicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    void setValue(int v);\n"
        "};\n"
        "void C::setValue(int v) { this->@setValueInternal(v); }\n";
    expected =
        "class C {\n"
        "public:\n"
        "    void setValue(int v);\n"
        "private:\n"
        "    void setValueInternal(int);\n"
        "};\n"
        "void C::setValue(int v) { this->setValueInternal(v); }\n";
    QTest::addRow("add member function to this (explicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { @setValueInternal(v); }\n"
        "};\n";
    expected =
        "class C {\n"
        "public:\n"
        "    void setValue(int v) { setValueInternal(v); }\n"
        "private:\n"
        "    void setValueInternal(int);\n"
        "};\n";
    QTest::addRow("add member function to this (implicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    int value() const { return @valueInternal(); }\n"
        "};\n";
    expected =
        "class C {\n"
        "public:\n"
        "    int value() const { return valueInternal(); }\n"
        "private:\n"
        "    int valueInternal() const;\n"
        "};\n";
    QTest::addRow("add const member function to this (implicit)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    static int value() { int i = @valueInternal(); return i; }\n"
        "};\n";
    expected =
        "class C {\n"
        "public:\n"
        "    static int value() { int i = @valueInternal(); return i; }\n"
        "private:\n"
        "    static int valueInternal();\n"
        "};\n";
    QTest::addRow("add static member function to this (inline)") << original << expected;

    original =
        "class C {\n"
        "public:\n"
        "    static int value();\n"
        "};\n"
        "int C::value() { return @valueInternal(); }\n";
    expected =
        "class C {\n"
        "public:\n"
        "    static int value();\n"
        "private:\n"
        "    static int valueInternal();\n"
        "};\n"
        "int C::value() { return valueInternal(); }\n";
    QTest::addRow("add static member function to this (non-inline)") << original << expected;
}

void QuickfixTest::testInsertMemberFromUse()
{
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QList<TestDocumentPtr> testDocuments({
        CppTestDocument::create("file.h", original, expected)
    });

    AddDeclarationForUndeclaredIdentifier factory;
    factory.setMembersOnly();
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check if definition is inserted right after class for insert definition outside
void QuickfixTest::testInsertDefFromDeclAfterClass()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo\n"
        "{\n"
        "    Foo();\n"
        "    void a@();\n"
        "};\n"
        "\n"
        "class Bar {};\n";
    expected =
        "class Foo\n"
        "{\n"
        "    Foo();\n"
        "    void a();\n"
        "};\n"
        "\n"
        "inline void Foo::a()\n"
        "{\n\n}\n"
        "\n"
        "class Bar {};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "\n"
        "Foo::Foo()\n"
        "{\n\n"
        "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 1);
}

/// Check from header file: If there is a source file, insert the definition in the source file.
/// Case: Source file is empty.
void QuickfixTest::testInsertDefFromDeclHeaderSourceBasic1()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "struct Foo\n"
        "{\n"
        "    Foo()@;\n"
        "};\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original.resize(0);
    expected =
        "\n"
        "Foo::Foo()\n"
        "{\n\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check from header file: If there is a source file, insert the definition in the source file.
/// Case: Source file is not empty.
void QuickfixTest::testInsertDefFromDeclHeaderSourceBasic2()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = "void f(const std::vector<int> &v)@;\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
            "#include \"file.h\"\n"
            "\n"
            "int x;\n"
            ;
    expected =
            "#include \"file.h\"\n"
            "\n"
            "int x;\n"
            "\n"
            "void f(const std::vector<int> &v)\n"
            "{\n"
            "\n"
            "}\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check from source file: Insert in source file, not header file.
void QuickfixTest::testInsertDefFromDeclHeaderSourceBasic3()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Empty Header File
    testDocuments << CppTestDocument::create("file.h", "", "");

    // Source File
    original =
        "struct Foo\n"
        "{\n"
        "    Foo()@;\n"
        "};\n";
    expected = original +
        "\n"
        "Foo::Foo()\n"
        "{\n\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check from header file: If the class is in a namespace, the added function definition
/// name must be qualified accordingly.
void QuickfixTest::testInsertDefFromDeclHeaderSourceNamespace1()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "namespace N {\n"
        "struct Foo\n"
        "{\n"
        "    Foo()@;\n"
        "};\n"
        "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original.resize(0);
    expected =
        "\n"
        "N::Foo::Foo()\n"
        "{\n\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check from header file: If the class is in namespace N and the source file has a
/// "using namespace N" line, the function definition name must be qualified accordingly.
void QuickfixTest::testInsertDefFromDeclHeaderSourceNamespace2()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "namespace N {\n"
        "struct Foo\n"
        "{\n"
        "    Foo()@;\n"
        "};\n"
        "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
            "#include \"file.h\"\n"
            "using namespace N;\n"
            ;
    expected = original +
            "\n"
            "Foo::Foo()\n"
            "{\n\n"
            "}\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check definition insert inside class
void QuickfixTest::testInsertDefFromDeclInsideClass()
{
    const QByteArray original =
        "class Foo {\n"
        "    void b@ar();\n"
        "};";
    const QByteArray expected =
        "class Foo {\n"
        "    void bar()\n"
        "    {\n\n"
        "    }\n"
        "};";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory, ProjectExplorer::HeaderPaths(),
                          1);
}

/// Check not triggering when definition exists
void QuickfixTest::testInsertDefFromDeclNotTriggeringWhenDefinitionExists()
{
    const QByteArray original =
            "class Foo {\n"
            "    void b@ar();\n"
            "};\n"
            "void Foo::bar() {}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, ""), &factory, ProjectExplorer::HeaderPaths(), 1);
}

/// Find right implementation file.
void QuickfixTest::testInsertDefFromDeclFindRightImplementationFile()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "struct Foo\n"
        "{\n"
        "    Foo();\n"
        "    void a();\n"
        "    void b@();\n"
        "};\n"
        "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File #1
    original =
            "#include \"file.h\"\n"
            "\n"
            "Foo::Foo()\n"
            "{\n\n"
            "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);


    // Source File #2
    original =
            "#include \"file.h\"\n"
            "\n"
            "void Foo::a()\n"
            "{\n\n"
            "}\n";
    expected = original +
            "\n"
            "void Foo::b()\n"
            "{\n\n"
            "}\n";
    testDocuments << CppTestDocument::create("file2.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Ignore generated functions declarations when looking at the surrounding
/// functions declarations in order to find the right implementation file.
void QuickfixTest::testInsertDefFromDeclIgnoreSurroundingGeneratedDeclarations()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "#define DECLARE_HIDDEN_FUNCTION void hidden();\n"
        "struct Foo\n"
        "{\n"
        "    void a();\n"
        "    DECLARE_HIDDEN_FUNCTION\n"
        "    void b@();\n"
        "};\n"
        "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File #1
    original =
            "#include \"file.h\"\n"
            "\n"
            "void Foo::a()\n"
            "{\n\n"
            "}\n";
    expected =
            "#include \"file.h\"\n"
            "\n"
            "void Foo::a()\n"
            "{\n\n"
            "}\n"
            "\n"
            "void Foo::b()\n"
            "{\n\n"
            "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    // Source File #2
    original =
            "#include \"file.h\"\n"
            "\n"
            "void Foo::hidden()\n"
            "{\n\n"
            "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file2.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check if whitespace is respected for operator functions
void QuickfixTest::testInsertDefFromDeclRespectWsInOperatorNames1()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    Foo &opera@tor =();\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    Foo &operator =();\n"
        "};\n"
        "\n"
        "Foo &Foo::operator =()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check if whitespace is respected for operator functions
void QuickfixTest::testInsertDefFromDeclRespectWsInOperatorNames2()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    Foo &opera@tor=();\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    Foo &operator=();\n"
        "};\n"
        "\n"
        "Foo &Foo::operator=()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check that the noexcept exception specifier is transferred
void QuickfixTest::testInsertDefFromDeclNoexceptSpecifier()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    void @foo() noexcept(false);\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    void foo() noexcept(false);\n"
        "};\n"
        "\n"
        "void Foo::foo() noexcept(false)\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check if a function like macro use is not separated by the function to insert
/// Case: Macro preceded by preproceesor directives and declaration.
void QuickfixTest::testInsertDefFromDeclMacroUsesAtEndOfFile1()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = "void f()@;\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
            "#include \"file.h\"\n"
            "#define MACRO(X) X x;\n"
            "int lala;\n"
            "\n"
            "MACRO(int)\n"
            ;
    expected =
            "#include \"file.h\"\n"
            "#define MACRO(X) X x;\n"
            "int lala;\n"
            "\n"
            "\n"
            "\n"
            "void f()\n"
            "{\n"
            "\n"
            "}\n"
            "\n"
            "MACRO(int)\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check if a function like macro use is not separated by the function to insert
/// Case: Marco preceded only by preprocessor directives.
void QuickfixTest::testInsertDefFromDeclMacroUsesAtEndOfFile2()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = "void f()@;\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
            "#include \"file.h\"\n"
            "#define MACRO(X) X x;\n"
            "\n"
            "MACRO(int)\n"
            ;
    expected =
            "#include \"file.h\"\n"
            "#define MACRO(X) X x;\n"
            "\n"
            "\n"
            "\n"
            "void f()\n"
            "{\n"
            "\n"
            "}\n"
            "\n"
            "MACRO(int)\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check if insertion happens before syntactically erroneous statements at end of file.
void QuickfixTest::testInsertDefFromDeclErroneousStatementAtEndOfFile()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = "void f()@;\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
            "#include \"file.h\"\n"
            "\n"
            "MissingSemicolon(int)\n"
            ;
    expected =
            "#include \"file.h\"\n"
            "\n"
            "\n"
            "\n"
            "void f()\n"
            "{\n"
            "\n"
            "}\n"
            "\n"
            "MissingSemicolon(int)\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Respect rvalue references
void QuickfixTest::testInsertDefFromDeclRvalueReference()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = "void f(Foo &&)@;\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = "";
    expected =
            "\n"
            "void f(Foo &&)\n"
            "{\n"
            "\n"
            "}\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefFromDeclFunctionTryBlock()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = R"(
struct Foo {
    void tryCatchFunc();
    void @otherFunc();
};
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"

void Foo::tryCatchFunc() try {} catch (...) {}
)";
    expected = R"(
#include "file.h"

void Foo::tryCatchFunc() try {} catch (...) {}

void Foo::otherFunc()
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefFromDeclUsingDecl()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = R"(
namespace N { struct S; }
using N::S;

void @func(const S &s);
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"
)";
    expected = R"(
#include "file.h"

void func(const S &s)
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);

    testDocuments.clear();
    original = R"(
namespace N1 {
namespace N2 { struct S; }
using N2::S;
}

void @func(const N1::S &s);
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"
)";
    expected = R"(
#include "file.h"

void func(const N1::S &s)
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QuickFixOperationTest(testDocuments, &factory);

    // No using declarations here, but the code model has one. No idea why.
    testDocuments.clear();
    original = R"(
class B {};
class D : public B {
    @D();
};
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"
)";
    expected = R"(
#include "file.h"

D::D()
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QuickFixOperationTest(testDocuments, &factory);

    testDocuments.clear();
    original = R"(
namespace ns1 { template<typename T> class span {}; }

namespace ns {
using ns1::span;
class foo
{
    void @bar(ns::span<int>);
};
}
)";
    expected = R"(
namespace ns1 { template<typename T> class span {}; }

namespace ns {
using ns1::span;
class foo
{
    void bar(ns::span<int>);
};

void foo::bar(ns::span<int>)
{

}

}
)";
    // TODO: Unneeded namespace gets inserted in RewriteName::visit(const QualifiedNameId *)
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QuickFixOperationTest(testDocuments, &factory);
}

/// Find right implementation file. (QTCREATORBUG-10728)
void QuickfixTest::testInsertDefFromDeclFindImplementationFile()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original =
            "class Foo {\n"
            "    void bar();\n"
            "    void ba@z();\n"
            "};\n"
            "\n"
            "void Foo::bar()\n"
            "{}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
            "#include \"file.h\"\n"
            ;
    expected =
            "#include \"file.h\"\n"
            "\n"
            "void Foo::baz()\n"
            "{\n"
            "\n"
            "}\n"
            ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefFromDeclUnicodeIdentifier()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    //
    // The following "non-latin1" code points are used in the tests:
    //
    //   U+00FC  - 2 code units in UTF8, 1 in UTF16 - LATIN SMALL LETTER U WITH DIAERESIS
    //   U+4E8C  - 3 code units in UTF8, 1 in UTF16 - CJK UNIFIED IDEOGRAPH-4E8C
    //   U+10302 - 4 code units in UTF8, 2 in UTF16 - OLD ITALIC LETTER KE
    //

#define UNICODE_U00FC "\xc3\xbc"
#define UNICODE_U4E8C "\xe4\xba\x8c"
#define UNICODE_U10302 "\xf0\x90\x8c\x82"
#define TEST_UNICODE_IDENTIFIER UNICODE_U00FC UNICODE_U4E8C UNICODE_U10302

    original =
            "class Foo {\n"
            "    void @" TEST_UNICODE_IDENTIFIER "();\n"
            "};\n";
            ;
    expected = original;
    expected +=
            "\n"
            "void Foo::" TEST_UNICODE_IDENTIFIER "()\n"
            "{\n"
            "\n"
            "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

#undef UNICODE_U00FC
#undef UNICODE_U4E8C
#undef UNICODE_U10302
#undef TEST_UNICODE_IDENTIFIER

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefFromDeclTemplateClass()
{
    QByteArray original =
        "template<class T>\n"
        "class Foo\n"
        "{\n"
        "    void fun@c1();\n"
        "    void func2();\n"
        "};\n\n"
        "template<class T>\n"
        "void Foo<T>::func2() {}\n";
    QByteArray expected =
        "template<class T>\n"
        "class Foo\n"
        "{\n"
        "    void func1();\n"
        "    void func2();\n"
        "};\n\n"
        "template<class T>\n"
        "void Foo<T>::func1()\n"
        "{\n"
        "\n"
        "}\n\n"
        "template<class T>\n"
        "void Foo<T>::func2() {}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testInsertDefFromDeclTemplateClassWithValueParam()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original =
        "template<typename T, int size> struct MyArray {};\n"
        "MyArray<int, 1> @foo();";
    QByteArray expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    original = "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n\n"
        "MyArray<int, 1> foo()\n"
        "{\n\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefFromDeclTemplateFunction()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    template<class T>\n"
        "    void fun@c();\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    template<class T>\n"
        "    void fun@c();\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "void Foo::func()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testInsertDefFromDeclTemplateClassAndTemplateFunction()
{
    QByteArray original =
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    T fun@c(U u);\n"
        "};\n";
    QByteArray expected =
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    T fun@c(U u);\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "template<class U>\n"
        "T Foo<T>::func(U u)\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testInsertDefFromDeclTemplateClassAndFunctionInsideNamespace()
{
    QByteArray original =
        "namespace N {\n"
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    T fun@c(U u);\n"
        "};\n"
        "}\n";
    QByteArray expected =
        "namespace N {\n"
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    T fun@c(U u);\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "template<class U>\n"
        "T Foo<T>::func(U u)\n"
        "{\n"
        "\n"
        "}\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testInsertDefFromDeclFunctionWithSignedUnsignedArgument()
{
    QByteArray original;
    QByteArray expected;
    InsertDefFromDecl factory;

    original =R"--(
class myclass
{
    myc@lass(QVector<signed> g);
    myclass(QVector<unsigned> g);
}
)--";
    expected =R"--(
class myclass
{
    myclass(QVector<signed> g);
    myclass(QVector<unsigned> g);
}

myclass::myclass(QVector<signed int> g)
{

}
)--";

    QuickFixOperationTest(singleDocument(original, expected), &factory);

    original =R"--(
class myclass
{
    myclass(QVector<signed> g);
    myc@lass(QVector<unsigned> g);
}
)--";
    expected =R"--(
class myclass
{
    myclass(QVector<signed> g);
    myclass(QVector<unsigned> g);
}

myclass::myclass(QVector<unsigned int> g)
{

}
)--";

    QuickFixOperationTest(singleDocument(original, expected), &factory);

    original =R"--(
class myclass
{
    unsigned f@oo(unsigned);
}
)--";
    expected =R"--(
class myclass
{
    unsigned foo(unsigned);
}

unsigned int myclass::foo(unsigned int)
{

}
)--";
    QuickFixOperationTest(singleDocument(original, expected), &factory);

    original =R"--(
class myclass
{
    signed f@oo(signed);
}
)--";
    expected =R"--(
class myclass
{
    signed foo(signed);
}

signed int myclass::foo(signed int)
{

}
)--";
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testInsertDefFromDeclNotTriggeredForFriendFunc()
{
    const QByteArray contents =
        "class Foo\n"
        "{\n"
        "    friend void f@unc();\n"
        "};\n"
        "\n";

    InsertDefFromDecl factory;
    QuickFixOperationTest(singleDocument(contents, ""), &factory);
}

void QuickfixTest::testInsertDefFromDeclMinimalFunctionParameterType()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = R"(
class C {
    typedef int A;
    A @foo(A);
};
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"
)";
    expected = R"(
#include "file.h"

C::A C::foo(A)
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);

    testDocuments.clear();
    // Header File
    original = R"(
namespace N {
    struct S;
    S @foo(const S &s);
};
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"
)";
    expected = R"(
#include "file.h"

N::S N::foo(const S &s)
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefFromDeclAliasTemplateAsReturnType()
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;

    // Header File
    original = R"(
struct foo {
    struct foo2 {
        template <typename T> using MyType = T;
        MyType<int> @bar();
    };
};
)";
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = R"(
#include "file.h"
)";
    expected = R"(
#include "file.h"

foo::foo2::MyType<int> foo::foo2::bar()
{

}
)";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDefFromDecl factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertDefsFromDecls_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<QByteArrayList>("sources");
    QTest::addColumn<int>("mode");

    QByteArray origHeader = R"(
namespace N {
class @C
{
public:
    friend void ignoredFriend();
    void ignoredImplemented() {};
    void ignoredImplemented2(); // Below
    void ignoredImplemented3(); // In cpp file
    void funcNotSelected();
    void funcInline();
    void funcBelow();
    void funcCppFile();

signals:
    void ignoredSignal();
};

inline void C::ignoredImplemented2() {}

} // namespace N)";
    QByteArray origSource = R"(
#include "file.h"

namespace N {

void C::ignoredImplemented3() {}

} // namespace N)";

    QByteArray expectedHeader = R"(
namespace N {
class C
{
public:
    friend void ignoredFriend();
    void ignoredImplemented() {};
    void ignoredImplemented2(); // Below
    void ignoredImplemented3(); // In cpp file
    void funcNotSelected();
    void funcInline()
    {

    }
    void funcBelow();
    void funcCppFile();

signals:
    void ignoredSignal();
};

inline void C::ignoredImplemented2() {}

inline void C::funcBelow()
{

}

} // namespace N)";
    QByteArray expectedSource = R"(
#include "file.h"

namespace N {

void C::ignoredImplemented3() {}

void C::funcCppFile()
{

}

} // namespace N)";
    QTest::addRow("normal case")
            << QByteArrayList{origHeader, expectedHeader}
            << QByteArrayList{origSource, expectedSource}
            << int(InsertDefsFromDecls::Mode::Alternating);
    QTest::addRow("aborted dialog")
            << QByteArrayList{origHeader, origHeader}
            << QByteArrayList{origSource, origSource}
            << int(InsertDefsFromDecls::Mode::Off);

    origHeader = R"(
        namespace N {
        class @C
        {
        public:
            friend void ignoredFriend();
            void ignoredImplemented() {};
            void ignoredImplemented2(); // Below
            void ignoredImplemented3(); // In cpp file

        signals:
            void ignoredSignal();
        };

        inline void C::ignoredImplemented2() {}

        } // namespace N)";
    QTest::addRow("no candidates")
            << QByteArrayList{origHeader, origHeader}
            << QByteArrayList{origSource, origSource}
            << int(InsertDefsFromDecls::Mode::Alternating);

    origHeader = R"(
        namespace N {
        class @C
        {
        public:
            friend void ignoredFriend();
            void ignoredImplemented() {};

        signals:
            void ignoredSignal();
        };
        } // namespace N)";
    QTest::addRow("no member functions")
            << QByteArrayList{origHeader, ""}
            << QByteArrayList{origSource, ""}
            << int(InsertDefsFromDecls::Mode::Alternating);
}

void QuickfixTest::testInsertDefsFromDecls()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(QByteArrayList, sources);
    QFETCH(int, mode);

    QList<TestDocumentPtr> testDocuments({
        CppTestDocument::create("file.h", headers.at(0), headers.at(1)),
        CppTestDocument::create("file.cpp", sources.at(0), sources.at(1))});
    InsertDefsFromDecls factory;
    factory.setMode(static_cast<InsertDefsFromDecls::Mode>(mode));
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testInsertAndFormatDefsFromDecls()
{
    if (!isClangFormatPresent())
        QSKIP("This test reqires ClangFormat");

    const QByteArray origHeader = R"(
class @C
{
public:
    void func1 (int const &i);
    void func2 (double const d);
};
)";
    const QByteArray origSource = R"(
#include "file.h"
)";

    const QByteArray expectedSource = R"(
#include "file.h"

void C::func1 (int const &i)
{

}

void C::func2 (double const d)
{

}
)";

    const QByteArray clangFormatSettings = R"(
BreakBeforeBraces: Allman
QualifierAlignment: Right
SpaceBeforeParens: Always
)";

    const QList<TestDocumentPtr> testDocuments({
        CppTestDocument::create("file.h", origHeader, origHeader),
        CppTestDocument::create("file.cpp", origSource, expectedSource)});
    InsertDefsFromDecls factory;
    factory.setMode(InsertDefsFromDecls::Mode::Impl);
    CppCodeStylePreferences * const prefs = CppToolsSettings::cppCodeStyle();
    const CppCodeStyleSettings settings = prefs->codeStyleSettings();
    CppCodeStyleSettings tempSettings = settings;
    tempSettings.forceFormatting = true;
    prefs->setCodeStyleSettings(tempSettings);
    QuickFixOperationTest(testDocuments, &factory, {}, {}, {}, clangFormatSettings);
    prefs->setCodeStyleSettings(settings);
}

QList<TestDocumentPtr> singleHeader(const QByteArray &original, const QByteArray &expected)
{
    return {CppTestDocument::create("file.h", original, expected)};
}

void QuickfixTest::testInsertDefOutsideFromDeclTemplateClassAndTemplateFunction()
{
    QByteArray original =
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    void fun@c();\n"
        "};\n";
    QByteArray expected =
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    void fun@c();\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "template<class U>\n"
        "inline void Foo<T>::func()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    factory.m_defPosOutsideClass = true;
    QuickFixOperationTest(singleHeader(original, expected), &factory);
}

void QuickfixTest::testInsertDefOutsideFromDeclTemplateClass()
{
    QByteArray original =
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    void fun@c();\n"
        "};\n";
    QByteArray expected =
        "template<class T>"
        "class Foo\n"
        "{\n"
        "    void fun@c();\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "inline void Foo<T>::func()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    factory.m_defPosOutsideClass = true;
    QuickFixOperationTest(singleHeader(original, expected), &factory);
}

void QuickfixTest::testInsertDefOutsideFromDeclTemplateFunction()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    void fun@c();\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    template<class U>\n"
        "    void fun@c();\n"
        "};\n"
        "\n"
        "template<class U>\n"
        "inline void Foo::func()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    factory.m_defPosOutsideClass = true;
    QuickFixOperationTest(singleHeader(original, expected), &factory);
}

void QuickfixTest::testInsertDefOutsideFromDeclFunction()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    void fun@c();\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    void fun@c();\n"
        "};\n"
        "\n"
        "inline void Foo::func()\n"
        "{\n"
        "\n"
        "}\n";

    InsertDefFromDecl factory;
    factory.m_defPosOutsideClass = true;
    QuickFixOperationTest(singleHeader(original, expected), &factory);
}

// Function for one of InsertDeclDef section cases
void insertToSectionDeclFromDef(const QByteArray &section, int sectionIndex)
{
    QList<TestDocumentPtr> testDocuments;

    QByteArray original;
    QByteArray expected;
    QByteArray sectionString = section + ":\n";
    if (sectionIndex == 4)
        sectionString.clear();

    // Header File
    original =
        "class Foo\n"
        "{\n"
        "};\n";
    expected =
        "class Foo\n"
        "{\n"
        + sectionString +
        "    Foo();\n"
        "@};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "\n"
        "Foo::Foo@()\n"
        "{\n"
        "}\n"
        ;
    expected = original;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    InsertDeclFromDef factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), sectionIndex);
}

/// Check from source file: Insert in header file.
void QuickfixTest::testInsertDeclFromDef()
{
    insertToSectionDeclFromDef("public", 0);
    insertToSectionDeclFromDef("public slots", 1);
    insertToSectionDeclFromDef("protected", 2);
    insertToSectionDeclFromDef("protected slots", 3);
    insertToSectionDeclFromDef("private", 4);
    insertToSectionDeclFromDef("private slots", 5);
}

void QuickfixTest::testInsertDeclFromDefTemplateFuncTypename()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "void Foo::fu@nc() {}\n";

    QByteArray expected =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    template<class T>\n"
        "    void func();\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "void Foo::fu@nc() {}\n";

    InsertDeclFromDef factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory, {}, 0);
}

void QuickfixTest::testInsertDeclFromDefTemplateFuncInt()
{
    QByteArray original =
            "class Foo\n"
            "{\n"
            "};\n"
            "\n"
            "template<int N>\n"
            "void Foo::fu@nc() {}\n";

    QByteArray expected =
            "class Foo\n"
            "{\n"
            "public:\n"
            "    template<int N>\n"
            "    void func();\n"
            "};\n"
            "\n"
            "template<int N>\n"
            "void Foo::fu@nc() {}\n";

    InsertDeclFromDef factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory, {}, 0);
}

void QuickfixTest::testInsertDeclFromDefTemplateReturnType()
{
    QByteArray original =
            "class Foo\n"
            "{\n"
            "};\n"
            "\n"
            "std::vector<int> Foo::fu@nc() const {}\n";

    QByteArray expected =
            "class Foo\n"
            "{\n"
            "public:\n"
            "    std::vector<int> func() const;\n"
            "};\n"
            "\n"
            "std::vector<int> Foo::func() const {}\n";

    InsertDeclFromDef factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory, {}, 0);
}

void QuickfixTest::testInsertDeclFromDefNotTriggeredForTemplateFunc()
{
    QByteArray contents =
        "class Foo\n"
        "{\n"
        "    template<class T>\n"
        "    void func();\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "void Foo::fu@nc() {}\n";

    InsertDeclFromDef factory;
    QuickFixOperationTest(singleDocument(contents, ""), &factory);
}

void QuickfixTest::testAddIncludeForUndefinedIdentifier_data()
{
    QTest::addColumn<QString>("headerPath");
    QTest::addColumn<QuickFixTestDocuments>("testDocuments");
    QTest::addColumn<int>("refactoringOperationIndex");
    QTest::addColumn<QString>("includeForTestFactory");

    const int firstRefactoringOperation = 0;
    const int secondRefactoringOperation = 1;

    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "class Foo {};\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    Fo@o foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    Foo foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onSimpleName")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "namespace N { class Foo {}; }\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    N::Fo@o foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    N::Foo foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onNameOfQualifiedName")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "namespace N { class Foo {}; }\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @N::Foo foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    N::Foo foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onBaseOfQualifiedName")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "class Foo { static void bar() {} };\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @Foo::bar();\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    Foo::bar();\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onBaseOfQualifiedClassName")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "template <typename T> class Foo { static void bar() {} };\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @Foo<int>::bar();\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    Foo<int>::bar();\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onBaseOfQualifiedTemplateClassName")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "namespace N { template <typename T> class Foo {}; }\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @N::Foo<Bar> foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    N::Foo<Bar> foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onTemplateName")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "namespace N { template <typename T> class Foo {}; }\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    N::Bar<@Foo> foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    N::Bar<Foo> foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("onTemplateNameInsideArguments")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "class Foo {};\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "class Foo;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @Foo foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "class Foo;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    Foo foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("withForwardDeclaration")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "template<class T> class Foo {};\n";
    expected = original;
    testDocuments << CppTestDocument::create("afile.h", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "template<class T> class Foo;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @Foo foo;\n"
        "}\n"
        ;
    expected =
        "#include \"afile.h\"\n"
        "#include \"header.h\"\n"
        "\n"
        "template<class T> class Foo;\n"
        "\n"
        "void f()\n"
        "{\n"
        "    Foo foo;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("withForwardDeclaration2")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    // Header File
    original = "template<class T> class QMyClass {};\n";
    expected = original;
    testDocuments << CppTestDocument::create("qmyclass.h", original, expected);

    // Forward Header File
    original = "#include \"qmyclass.h\"\n";
    expected = original;
    testDocuments << CppTestDocument::create("QMyClass", original, expected);

    // Source File
    original =
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    @QMyClass c;\n"
        "}\n"
        ;
    expected =
        "#include \"QMyClass\"\n"
        "#include \"header.h\"\n"
        "\n"
        "void f()\n"
        "{\n"
        "    QMyClass c;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("afile.cpp", original, expected);
    QTest::newRow("withForwardHeader")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << secondRefactoringOperation << "";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "void @f();\n"
        "#include \"file.moc\";\n"
        ;
    expected =
        "#include \"file.h\"\n"
        "\n"
        "void f();\n"
        "#include \"file.moc\";\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("insertingIgnoreMoc")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"y.h\"\n"
        "#include \"z.h\"\n"
        "\n@"
        ;
    expected =
        "#include \"file.h\"\n"
        "#include \"y.h\"\n"
        "#include \"z.h\"\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("insertingSortingTop")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"a.h\"\n"
        "#include \"z.h\"\n"
        "\n@"
        ;
    expected =
        "#include \"a.h\"\n"
        "#include \"file.h\"\n"
        "#include \"z.h\"\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("insertingSortingMiddle")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"a.h\"\n"
        "#include \"b.h\"\n"
        "\n@"
        ;
    expected =
        "#include \"a.h\"\n"
        "#include \"b.h\"\n"
        "#include \"file.h\"\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("insertingSortingBottom")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"b.h\"\n"
        "#include \"a.h\"\n"
        "\n@"
        ;
    expected =
        "#include \"b.h\"\n"
        "#include \"a.h\"\n"
        "#include \"file.h\"\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_appendToUnsorted")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include <a.h>\n"
        "#include <b.h>\n"
        "\n@"
        ;
    expected =
        "#include \"file.h\"\n"
        "\n"
        "#include <a.h>\n"
        "#include <b.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_firstLocalIncludeAtFront")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"a.h\"\n"
        "#include \"b.h\"\n"
        "\n"
        "void @f();\n"
        ;
    expected =
        "#include \"a.h\"\n"
        "#include \"b.h\"\n"
        "\n"
        "#include <file.h>\n"
        "\n"
        "void f();\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("firstGlobalIncludeAtBack")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "<file.h>";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"prefixa.h\"\n"
        "#include \"prefixb.h\"\n"
        "\n"
        "#include \"foo.h\"\n"
        "\n@"
        ;
    expected =
        "#include \"prefixa.h\"\n"
        "#include \"prefixb.h\"\n"
        "#include \"prefixc.h\"\n"
        "\n"
        "#include \"foo.h\"\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_preferGroupWithLongerMatchingPrefix")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"prefixc.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"lib/file.h\"\n"
        "#include \"lib/fileother.h\"\n"
        "\n@"
        ;
    expected =
        "#include \"lib/file.h\"\n"
        "#include \"lib/fileother.h\"\n"
        "\n"
        "#include \"file.h\"\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_newGroupIfOnlyDifferentIncludeDirs")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include <lib/file.h>\n"
        "#include <otherlib/file.h>\n"
        "#include <utils/file.h>\n"
        "\n@"
        ;
    expected =
        "#include <firstlib/file.h>\n"
        "#include <lib/file.h>\n"
        "#include <otherlib/file.h>\n"
        "#include <utils/file.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_mixedDirsSorted")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "<firstlib/file.h>";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include <otherlib/file.h>\n"
        "#include <lib/file.h>\n"
        "#include <utils/file.h>\n"
        "\n@"
        ;
    expected =
        "#include <otherlib/file.h>\n"
        "#include <lib/file.h>\n"
        "#include <utils/file.h>\n"
        "#include <lastlib/file.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_mixedDirsUnsorted")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "<lastlib/file.h>";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"a.h\"\n"
        "#include <global.h>\n"
        "\n@"
        ;
    expected =
        "#include \"a.h\"\n"
        "#include \"z.h\"\n"
        "#include <global.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_mixedIncludeTypes1")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"z.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"z.h\"\n"
        "#include <global.h>\n"
        "\n@"
        ;
    expected =
        "#include \"a.h\"\n"
        "#include \"z.h\"\n"
        "#include <global.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_mixedIncludeTypes2")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"a.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"z.h\"\n"
        "#include <global.h>\n"
        "\n@"
        ;
    expected =
        "#include \"z.h\"\n"
        "#include \"lib/file.h\"\n"
        "#include <global.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_mixedIncludeTypes3")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"lib/file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#include \"z.h\"\n"
        "#include <global.h>\n"
        "\n@"
        ;
    expected =
        "#include \"z.h\"\n"
        "#include <global.h>\n"
        "#include <lib/file.h>\n"
        "\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_mixedIncludeTypes4")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "<lib/file.h>";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "void @f();\n"
        ;
    expected =
        "#include \"file.h\"\n"
        "\n"
        "void f();\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_noinclude")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "#ifndef FOO_H\n"
        "#define FOO_H\n"
        "void @f();\n"
        "#endif\n"
        ;
    expected =
        "#ifndef FOO_H\n"
        "#define FOO_H\n"
        "\n"
        "#include \"file.h\"\n"
        "\n"
        "void f();\n"
        "#endif\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_onlyIncludeGuard")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "\n"
        "// comment\n"
        "\n"
        "void @f();\n"
        ;
    expected =
        "\n"
        "// comment\n"
        "\n"
        "#include \"file.h\"\n"
        "\n"
        "void @f();\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_veryFirstIncludeCppStyleCommentOnTop")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "\n"
        "/*\n"
        " comment\n"
        " */\n"
        "\n"
        "void @f();\n"
        ;
    expected =
        "\n"
        "/*\n"
        " comment\n"
        " */\n"
        "\n"
        "#include \"file.h\"\n"
        "\n"
        "void @f();\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_veryFirstIncludeCStyleCommentOnTop")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "\"file.h\"";
    testDocuments.clear();

    // -------------------------------------------------------------------------------------------

    original =
        "@QDir dir;\n"
        ;
    expected =
        "#include <QDir>\n"
        "\n"
        "QDir dir;\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_checkQSomethingInQtIncludePaths")
            << TestIncludePaths::globalQtCoreIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    original =
        "std::s@tring s;\n"
        ;
    expected =
        "#include <string>\n"
        "\n"
        "std::string s;\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);
    QTest::newRow("inserting_std::string")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    original = "class A{};";
    testDocuments << CppTestDocument::create("a.h", original, original);
    original = "class B{};";
    testDocuments << CppTestDocument::create("b.h", original, original);
    original =
            "#include \"b.h\"\n"
            "@A a;\n"
            "B b;";
    expected =
            "#include \"b.h\"\n\n"
            "#include \"a.h\"\n"
            "A a;\n"
            "B b;";
    testDocuments << CppTestDocument::create("b.cpp", original, expected);
    QTest::newRow("preserve first header")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();

    original = "class C{};";
    testDocuments << CppTestDocument::create("c.h", original, original);
    original = "class B{};";
    testDocuments << CppTestDocument::create("b.h", original, original);
    original =
            "#include \"c.h\"\n"
            "C c;\n"
            "@B b;";
    expected =
            "#include \"b.h\"\n"
            "#include \"c.h\"\n"
            "C c;\n"
            "B b;";
    testDocuments << CppTestDocument::create("x.cpp", original, expected);
    QTest::newRow("do not preserve first header")
            << TestIncludePaths::globalIncludePath()
            << testDocuments << firstRefactoringOperation << "";
    testDocuments.clear();
}

void QuickfixTest::testAddIncludeForUndefinedIdentifier()
{
    QFETCH(QString, headerPath);
    QFETCH(QuickFixTestDocuments, testDocuments);
    QFETCH(int, refactoringOperationIndex);
    QFETCH(QString, includeForTestFactory);

    TemporaryDir temporaryDir;
    QVERIFY(temporaryDir.isValid());
    for (const TestDocumentPtr &testDocument : std::as_const(testDocuments))
        testDocument->setBaseDirectory(temporaryDir.path());

    QScopedPointer<CppQuickFixFactory> factory;
    if (includeForTestFactory.isEmpty())
        factory.reset(new AddIncludeForUndefinedIdentifier);
    else
        factory.reset(new AddIncludeForUndefinedIdentifierTestFactory(includeForTestFactory));

    QuickFixOperationTest::run(testDocuments, factory.data(), headerPath,
                               refactoringOperationIndex);
}

void QuickfixTest::testAddIncludeForUndefinedIdentifierNoDoubleQtHeaderInclude()
{
    TemporaryDir temporaryDir;
    QVERIFY(temporaryDir.isValid());

    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    const QByteArray base = temporaryDir.path().toUtf8();

    // This file makes the QDir definition available so that locator finds it.
    original = expected = "#include <QDir>\n"
                          "void avoidBeingRecognizedAsForwardingHeader();";
    testDocuments << CppTestDocument::create(base + "/fileUsingQDir.cpp", original, expected);

    original = expected = "@QDir dir;\n";
    testDocuments << CppTestDocument::create(base + "/fileWantsToUseQDir.cpp", original, expected);

    AddIncludeForUndefinedIdentifier factory;
    const QStringList expectedOperations = QStringList("Add #include <QDir>");
    QuickFixOfferedOperationsTest(testDocuments, &factory, ProjectExplorer::toUserHeaderPaths(
            QStringList{TestIncludePaths::globalQtCoreIncludePath()}), expectedOperations);
}

void QuickfixTest::testAddForwardDeclForUndefinedIdentifier_data()
{
    QTest::addColumn<QuickFixTestDocuments>("testDocuments");
    QTest::addColumn<QString>("symbol");
    QTest::addColumn<int>("symbolPos");

    QByteArray original;
    QByteArray expected;

    original =
        "#pragma once\n"
        "\n"
        "void f(const Blu@bb &b)\n"
        "{\n"
        "}\n"
        ;
    expected =
        "#pragma once\n"
        "\n"
        "\n"
        "class Blubb;\n"
        "void f(const Blubb &b)\n"
        "{\n"
        "}\n"
        ;
    QTest::newRow("unqualified symbol")
            << QuickFixTestDocuments{CppTestDocument::create("theheader.h", original, expected)}
            << "Blubb" << original.indexOf('@');

    original =
        "#pragma once\n"
        "\n"
        "namespace NS {\n"
        "class C;\n"
        "}\n"
        "void f(const NS::Blu@bb &b)\n"
        "{\n"
        "}\n"
        ;
    expected =
        "#pragma once\n"
        "\n"
        "namespace NS {\n"
        "\n"
        "class Blubb;\n"
        "class C;\n"
        "}\n"
        "void f(const NS::Blubb &b)\n"
        "{\n"
        "}\n"
        ;
    QTest::newRow("qualified symbol, full namespace present")
            << QuickFixTestDocuments{CppTestDocument::create("theheader.h", original, expected)}
            << "NS::Blubb" << original.indexOf('@');

    original =
        "#pragma once\n"
        "\n"
        "namespace NS {\n"
        "class C;\n"
        "}\n"
        "void f(const NS::NS2::Blu@bb &b)\n"
        "{\n"
        "}\n"
        ;
    expected =
        "#pragma once\n"
        "\n"
        "namespace NS {\n"
        "\n"
        "namespace NS2 { class Blubb; }\n"
        "class C;\n"
        "}\n"
        "void f(const NS::NS2::Blubb &b)\n"
        "{\n"
        "}\n"
        ;
    QTest::newRow("qualified symbol, partial namespace present")
            << QuickFixTestDocuments{CppTestDocument::create("theheader.h", original, expected)}
            << "NS::NS2::Blubb" << original.indexOf('@');

    original =
        "#pragma once\n"
        "\n"
        "namespace NS {\n"
        "class C;\n"
        "}\n"
        "void f(const NS2::Blu@bb &b)\n"
        "{\n"
        "}\n"
        ;
    expected =
        "#pragma once\n"
        "\n"
        "\n"
        "namespace NS2 { class Blubb; }\n"
        "namespace NS {\n"
        "class C;\n"
        "}\n"
        "void f(const NS2::Blubb &b)\n"
        "{\n"
        "}\n"
        ;
    QTest::newRow("qualified symbol, other namespace present")
            << QuickFixTestDocuments{CppTestDocument::create("theheader.h", original, expected)}
            << "NS2::Blubb" << original.indexOf('@');

    original =
        "#pragma once\n"
        "\n"
        "void f(const NS2::Blu@bb &b)\n"
        "{\n"
        "}\n"
        ;
    expected =
        "#pragma once\n"
        "\n"
        "\n"
        "namespace NS2 { class Blubb; }\n"
        "void f(const NS2::Blubb &b)\n"
        "{\n"
        "}\n"
        ;
    QTest::newRow("qualified symbol, no namespace present")
            << QuickFixTestDocuments{CppTestDocument::create("theheader.h", original, expected)}
            << "NS2::Blubb" << original.indexOf('@');

    original =
        "#pragma once\n"
        "\n"
        "void f(const NS2::Blu@bb &b)\n"
        "{\n"
        "}\n"
        "namespace NS2 {}\n"
        ;
    expected =
        "#pragma once\n"
        "\n"
        "\n"
        "namespace NS2 { class Blubb; }\n"
        "void f(const NS2::Blubb &b)\n"
        "{\n"
        "}\n"
        "namespace NS2 {}\n"
        ;
    QTest::newRow("qualified symbol, existing namespace after symbol")
            << QuickFixTestDocuments{CppTestDocument::create("theheader.h", original, expected)}
            << "NS2::Blubb" << original.indexOf('@');
}

void QuickfixTest::testAddForwardDeclForUndefinedIdentifier()
{
    QFETCH(QuickFixTestDocuments, testDocuments);
    QFETCH(QString, symbol);
    QFETCH(int, symbolPos);

    TemporaryDir temporaryDir;
    QVERIFY(temporaryDir.isValid());
    testDocuments.first()->setBaseDirectory(temporaryDir.path());

    QScopedPointer<CppQuickFixFactory> factory(
                new AddForwardDeclForUndefinedIdentifierTestFactory(symbol, symbolPos));
    QuickFixOperationTest::run({testDocuments}, factory.data(), ".", 0);
}

/// Check: Move definition from header to cpp.
void QuickfixTest::testMoveFuncDefOutsideMemberFuncToCpp()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo {\n"
        "  inline int numbe@r() const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "\n"
        "    void bar();\n"
        "};\n";
    expected =
        "class Foo {\n"
        "  int number() const;\n"
        "\n"
        "    void bar();\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int Foo::number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testMoveFuncDefOutsideMemberFuncToCppStatic()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo {\n"
        "  static inline int numbe@r() const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "\n"
        "    void bar();\n"
        "};\n";
    expected =
        "class Foo {\n"
        "  static int number() const;\n"
        "\n"
        "    void bar();\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int Foo::number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testMoveFuncDefOutsideMemberFuncToCppWithInlinePartOfName()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo {\n"
        "  static inline int numbe@r_inline () const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "\n"
        "    void bar();\n"
        "};\n";
    expected =
        "class Foo {\n"
        "  static int number_inline () const;\n"
        "\n"
        "    void bar();\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int Foo::number_inline() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testMoveFuncDefOutsideMixedQualifiers()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original = R"(
struct Base {
    virtual auto func() const && noexcept -> void = 0;
};
struct Derived : public Base {
    auto @func() const && noexcept -> void override {}
};)";
    expected = R"(
struct Base {
    virtual auto func() const && noexcept -> void = 0;
};
struct Derived : public Base {
    auto func() const && noexcept -> void override;
};)";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original = "#include \"file.h\"\n";
    expected = R"DELIM(#include "file.h"

auto Derived::func() const && noexcept -> void {}
)DELIM";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testMoveFuncDefOutsideMemberFuncToCppInsideNS()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "namespace SomeNamespace {\n"
        "class Foo {\n"
        "  int ba@r()\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "};\n"
        "}\n";
    expected =
        "namespace SomeNamespace {\n"
        "class Foo {\n"
        "  int ba@r();\n"
        "};\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "namespace SomeNamespace {\n"
        "\n"
        "}\n";
    expected =
        "#include \"file.h\"\n"
        "namespace SomeNamespace {\n"
        "\n"
        "int Foo::bar()\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        "\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move definition outside class
void QuickfixTest::testMoveFuncDefOutsideMemberFuncOutside1()
{
    QByteArray original =
        "class Foo {\n"
        "    void f1();\n"
        "    inline int f2@() const\n"
        "    {\n"
        "        return 1;\n"
        "    }\n"
        "    void f3();\n"
        "    void f4();\n"
        "};\n"
        "\n"
        "void Foo::f4() {}\n";
    QByteArray expected =
        "class Foo {\n"
        "    void f1();\n"
        "    int f2@() const;\n"
        "    void f3();\n"
        "    void f4();\n"
        "};\n"
        "\n"
        "int Foo::f2() const\n"
        "{\n"
        "    return 1;\n"
        "}\n"
        "\n"
        "void Foo::f4() {}\n";

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check: Move definition outside class
void QuickfixTest::testMoveFuncDefOutsideMemberFuncOutside2()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo {\n"
        "    void f1();\n"
        "    int f2@()\n"
        "    {\n"
        "        return 1;\n"
        "    }\n"
        "    void f3();\n"
        "};\n";
    expected =
        "class Foo {\n"
        "    void f1();\n"
        "    int f2();\n"
        "    void f3();\n"
        "};\n"
        "\n"
        "inline int Foo::f2()\n"
        "{\n"
        "    return 1;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "void Foo::f1() {}\n"
        "void Foo::f3() {}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 1);
}

/// Check: Move definition from header to cpp (with namespace).
void QuickfixTest::testMoveFuncDefOutsideMemberFuncToCppNS()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  inline int numbe@r() const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "};\n"
        "}\n";
    expected =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  int number() const;\n"
        "};\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int MyNs::Foo::number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move definition from header to cpp (with namespace + using).
void QuickfixTest::testMoveFuncDefOutsideMemberFuncToCppNSUsing()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  inline int numbe@r() const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "};\n"
        "}\n";
    expected =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  int number() const;\n"
        "};\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "using namespace MyNs;\n";
    expected =
        "#include \"file.h\"\n"
        "using namespace MyNs;\n"
        "\n"
        "int Foo::number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move definition outside class with Namespace
void QuickfixTest::testMoveFuncDefOutsideMemberFuncOutsideWithNs()
{
    QByteArray original =
        "namespace MyNs {\n"
        "class Foo {\n"
        "    inline int numbe@r() const\n"
        "    {\n"
        "        return 5;\n"
        "    }\n"
        "};}\n";
    QByteArray expected =
        "namespace MyNs {\n"
        "class Foo {\n"
        "    int number() const;\n"
        "};\n"
        "\n"
        "int Foo::number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        "\n}\n";

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check: Move free function from header to cpp.
void QuickfixTest::testMoveFuncDefOutsideFreeFuncToCpp()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "int numbe@r() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    expected =
        "int number() const;\n"
         ;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move free function from header to cpp (with namespace).
void QuickfixTest::testMoveFuncDefOutsideFreeFuncToCppNS()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "namespace MyNamespace {\n"
        "int numbe@r() const\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        "}\n";
    expected =
        "namespace MyNamespace {\n"
        "int number() const;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int MyNamespace::number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move Ctor with member initialization list (QTCREATORBUG-9157).
void QuickfixTest::testMoveFuncDefOutsideCtorWithInitialization1()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo {\n"
        "public:\n"
        "    Fo@o() : a(42), b(3.141) {}\n"
        "private:\n"
        "    int a;\n"
        "    float b;\n"
        "};\n";
    expected =
        "class Foo {\n"
        "public:\n"
        "    Foo();\n"
        "private:\n"
        "    int a;\n"
        "    float b;\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original ="#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "Foo::Foo() : a(42), b(3.141) {}\n"
       ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move Ctor with member initialization list (QTCREATORBUG-9462).
void QuickfixTest::testMoveFuncDefOutsideCtorWithInitialization2()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    Fo@o() : member(2)\n"
        "    {\n"
        "    }\n"
        "\n"
        "    int member;\n"
        "};\n";

    expected =
        "class Foo\n"
        "{\n"
        "public:\n"
        "    Foo();\n"
        "\n"
        "    int member;\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original ="#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "Foo::Foo() : member(2)\n"
        "{\n"
        "}\n"
       ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check if definition is inserted right after class for move definition outside
void QuickfixTest::testMoveFuncDefOutsideAfterClass()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo\n"
        "{\n"
        "    Foo();\n"
        "    void a@() {}\n"
        "};\n"
        "\n"
        "class Bar {};\n";
    expected =
        "class Foo\n"
        "{\n"
        "    Foo();\n"
        "    void a();\n"
        "};\n"
        "\n"
        "inline void Foo::a() {}\n"
        "\n"
        "class Bar {};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "\n"
        "Foo::Foo()\n"
        "{\n\n"
        "}\n";
    expected = original;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 1);
}

/// Check if whitespace is respected for operator functions
void QuickfixTest::testMoveFuncDefOutsideRespectWsInOperatorNames1()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    Foo &opera@tor =() {}\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    Foo &operator =();\n"
        "};\n"
        "\n"
        "Foo &Foo::operator =() {}\n"
       ;

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check if whitespace is respected for operator functions
void QuickfixTest::testMoveFuncDefOutsideRespectWsInOperatorNames2()
{
    QByteArray original =
        "class Foo\n"
        "{\n"
        "    Foo &opera@tor=() {}\n"
        "};\n";
    QByteArray expected =
        "class Foo\n"
        "{\n"
        "    Foo &operator=();\n"
        "};\n"
        "\n"
        "Foo &Foo::operator=() {}\n"
       ;

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testMoveFuncDefOutsideMacroUses()
{
    QByteArray original =
        "#define CONST const\n"
        "#define VOLATILE volatile\n"
        "class Foo\n"
        "{\n"
        "    int fu@nc(int a, int b) CONST VOLATILE\n"
        "    {\n"
        "        return 42;\n"
        "    }\n"
        "};\n";
    QByteArray expected =
        "#define CONST const\n"
        "#define VOLATILE volatile\n"
        "class Foo\n"
        "{\n"
        "    int func(int a, int b) CONST VOLATILE;\n"
        "};\n"
        "\n"
        "\n"
        // const volatile become lowercase: QTCREATORBUG-12620
        "int Foo::func(int a, int b) const volatile\n"
        "{\n"
        "    return 42;\n"
        "}\n"
       ;

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory,
                          ProjectExplorer::HeaderPaths(), 0, "QTCREATORBUG-12314");
}

void QuickfixTest::testMoveFuncDefOutsideTemplate()
{
    QByteArray original =
        "template<class T>\n"
        "class Foo { void fu@nc() {} };\n";
    QByteArray expected =
        "template<class T>\n"
        "class Foo { void fu@nc(); };\n"
        "\n"
        "template<class T>\n"
        "void Foo<T>::func() {}\n";
       ;

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testMoveFuncDefOutsideMemberFunctionTemplate()
{
    const QByteArray original = R"(
struct S {
    template<typename In>
    void @foo(In in) { (void)in; }
};
)";
    const QByteArray expected = R"(
struct S {
    template<typename In>
    void foo(In in);
};

template<typename In>
void S::foo(In in) { (void)in; }
)";

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testMoveFuncDefOutsideTemplateSpecializedClass()
{
    QByteArray original = R"(
template<typename T> class base {};
template<>
class base<int>
{
public:
    void @bar() {}
};
)";
    QByteArray expected = R"(
template<typename T> class base {};
template<>
class base<int>
{
public:
    void bar();
};

void base<int>::bar() {}
)";

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testMoveFuncDefOutsideUnnamedTemplate()
{
    QByteArray original =
        "template<typename T, typename>\n"
        "class Foo { void fu@nc() {} };\n";
    QByteArray expected =
        "template<typename T, typename>\n"
        "class Foo { void fu@nc(); };\n"
        "\n"
        "template<typename T, typename T2>\n"
        "void Foo<T, T2>::func() {}\n";
       ;

    MoveFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testMoveFuncDefToDecl_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<QByteArrayList>("sources");

    QByteArray originalHeader;
    QByteArray expectedHeader;
    QByteArray originalSource;
    QByteArray expectedSource;

    originalHeader =
        "class Foo {\n"
        "    inline int @number() const;\n"
        "};\n";
    expectedHeader =
        "class Foo {\n"
        "    inline int number() const {return 5;}\n"
        "};\n";
    originalSource =
        "#include \"file.h\"\n"
        "\n"
        "int Foo::num@ber() const {return 5;}\n";
    expectedSource =
        "#include \"file.h\"\n"
        "\n\n";
    QTest::newRow("member function, two files") << QByteArrayList{originalHeader, expectedHeader}
                                                << QByteArrayList{originalSource, expectedSource};

    originalSource =
        "class Foo {\n"
        "  inline int @number() const;\n"
        "};\n"
        "\n"
        "int Foo::num@ber() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";

    expectedSource =
        "class Foo {\n"
        "    inline int number() const\n"
        "    {\n"
        "        return 5;\n"
        "    }\n"
        "};\n\n\n";
    QTest::newRow("member function, one file") << QByteArrayList()
                                               << QByteArrayList{originalSource, expectedSource};

    originalHeader =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  inline int @number() const;\n"
        "};\n"
        "}\n";
    expectedHeader =
        "namespace MyNs {\n"
        "class Foo {\n"
        "    inline int number() const\n"
        "    {\n"
        "        return 5;\n"
        "    }\n"
        "};\n"
        "}\n";
    originalSource =
        "#include \"file.h\"\n"
        "\n"
        "int MyNs::Foo::num@ber() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    expectedSource = "#include \"file.h\"\n\n\n";
    QTest::newRow("member function, two files, namespace")
            << QByteArrayList{originalHeader, expectedHeader}
            << QByteArrayList{originalSource, expectedSource};

    originalHeader =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  inline int numbe@r() const;\n"
        "};\n"
        "}\n";
    expectedHeader =
        "namespace MyNs {\n"
        "class Foo {\n"
        "    inline int number() const\n"
        "    {\n"
        "        return 5;\n"
        "    }\n"
        "};\n"
        "}\n";
    originalSource =
        "#include \"file.h\"\n"
        "using namespace MyNs;\n"
        "\n"
        "int Foo::num@ber() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    expectedSource =
        "#include \"file.h\"\n"
        "using namespace MyNs;\n"
        "\n\n";
    QTest::newRow("member function, two files, namespace with using-directive")
            << QByteArrayList{originalHeader, expectedHeader}
            << QByteArrayList{originalSource, expectedSource};

    originalSource =
        "namespace MyNs {\n"
        "class Foo {\n"
        "  inline int @number() const;\n"
        "};\n"
        "\n"
        "int Foo::numb@er() const\n"
        "{\n"
        "    return 5;\n"
        "}"
        "\n}\n";
    expectedSource =
        "namespace MyNs {\n"
        "class Foo {\n"
        "    inline int number() const\n"
        "    {\n"
        "        return 5;\n"
        "    }\n"
        "};\n\n\n}\n";

    QTest::newRow("member function, one file, namespace")
            << QByteArrayList() << QByteArrayList{originalSource, expectedSource};

    originalHeader = "int nu@mber() const;\n";
    expectedHeader =
        "inline int number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    originalSource =
        "#include \"file.h\"\n"
        "\n"
        "\n"
        "int numb@er() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    expectedSource = "#include \"file.h\"\n\n\n\n";
    QTest::newRow("free function") << QByteArrayList{originalHeader, expectedHeader}
                                   << QByteArrayList{originalSource, expectedSource};

    originalHeader =
        "namespace MyNamespace {\n"
        "int n@umber() const;\n"
        "}\n";
    expectedHeader =
        "namespace MyNamespace {\n"
        "inline int number() const\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        "}\n";
    originalSource =
        "#include \"file.h\"\n"
        "\n"
        "int MyNamespace::nu@mber() const\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    expectedSource =
        "#include \"file.h\"\n"
        "\n\n";
    QTest::newRow("free function, namespace") << QByteArrayList{originalHeader, expectedHeader}
                                              << QByteArrayList{originalSource, expectedSource};

    originalHeader =
        "class Foo {\n"
        "public:\n"
        "    Fo@o();\n"
        "private:\n"
        "    int a;\n"
        "    float b;\n"
        "};\n";
    expectedHeader =
        "class Foo {\n"
        "public:\n"
        "    Foo() : a(42), b(3.141) {}\n"
        "private:\n"
        "    int a;\n"
        "    float b;\n"
        "};\n";
    originalSource =
        "#include \"file.h\"\n"
        "\n"
        "Foo::F@oo() : a(42), b(3.141) {}"
        ;
    expectedSource ="#include \"file.h\"\n\n";
    QTest::newRow("constructor") << QByteArrayList{originalHeader, expectedHeader}
                                 << QByteArrayList{originalSource, expectedSource};

    originalSource =
        "struct Foo\n"
        "{\n"
        "    void f@oo();\n"
        "} bar;\n"
        "void Foo::fo@o()\n"
        "{\n"
        "    return;\n"
        "}";
    expectedSource =
        "struct Foo\n"
        "{\n"
        "    void foo()\n"
        "    {\n"
        "        return;\n"
        "    }\n"
        "} bar;\n";
    QTest::newRow("QTCREATORBUG-10303") << QByteArrayList()
                                        << QByteArrayList{originalSource, expectedSource};

    originalSource =
        "struct Base {\n"
        "    virtual int foo() = 0;\n"
        "};\n"
        "struct Derived : Base {\n"
        "    int @foo() override;\n"
        "};\n"
        "\n"
        "int Derived::fo@o()\n"
        "{\n"
        "    return 5;\n"
        "}\n";
    expectedSource =
        "struct Base {\n"
        "    virtual int foo() = 0;\n"
        "};\n"
        "struct Derived : Base {\n"
        "    int foo() override\n"
        "    {\n"
        "        return 5;\n"
        "    }\n"
        "};\n\n\n";
    QTest::newRow("overridden virtual") << QByteArrayList()
                                        << QByteArrayList{originalSource, expectedSource};

    originalSource =
        "template<class T>\n"
        "class Foo { void @func(); };\n"
        "\n"
        "template<class T>\n"
        "void Foo<T>::fu@nc() {}\n";
    expectedSource =
        "template<class T>\n"
        "class Foo { void fu@nc() {} };\n\n\n";
    QTest::newRow("class template") << QByteArrayList()
                                    << QByteArrayList{originalSource, expectedSource};

    originalSource =
        "class Foo\n"
        "{\n"
        "    template<class T>\n"
        "    void @func();\n"
        "};\n"
        "\n"
        "template<class T>\n"
        "void Foo::fu@nc() {}\n";
    expectedSource =
        "class Foo\n"
        "{\n"
        "    template<class T>\n"
        "    void func() {}\n"
        "};\n\n\n";
    QTest::newRow("function template") << QByteArrayList()
                                       << QByteArrayList{originalSource, expectedSource};
}

void QuickfixTest::testMoveFuncDefToDecl()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(QByteArrayList, sources);

    QVERIFY(headers.isEmpty() || headers.size() == 2);
    QVERIFY(sources.size() == 2);

    QByteArray &declDoc = !headers.empty() ? headers.first() : sources.first();
    const int declCursorPos = declDoc.indexOf('@');
    QVERIFY(declCursorPos != -1);
    const int defCursorPos = sources.first().lastIndexOf('@');
    QVERIFY(defCursorPos != -1);
    QVERIFY(declCursorPos != defCursorPos);

    declDoc.remove(declCursorPos, 1);
    QList<TestDocumentPtr> testDocuments;
    if (!headers.isEmpty())
        testDocuments << CppTestDocument::create("file.h", headers.first(), headers.last());
    testDocuments << CppTestDocument::create("file.cpp", sources.first(), sources.last());

    MoveFuncDefToDeclPush pushFactory;
    QuickFixOperationTest(testDocuments, &pushFactory);

    declDoc.insert(declCursorPos, '@');
    sources.first().remove(defCursorPos, 1);
    testDocuments.clear();
    if (!headers.isEmpty())
        testDocuments << CppTestDocument::create("file.h", headers.first(), headers.last());
    testDocuments << CppTestDocument::create("file.cpp", sources.first(), sources.last());

    MoveFuncDefToDeclPull pullFactory;
    QuickFixOperationTest(testDocuments, &pullFactory);
}

void QuickfixTest::testMoveFuncDefToDeclMacroUses()
{
    QByteArray original =
        "#define CONST const\n"
        "#define VOLATILE volatile\n"
        "class Foo\n"
        "{\n"
        "    int func(int a, int b) CONST VOLATILE;\n"
        "};\n"
        "\n"
        "\n"
        "int Foo::fu@nc(int a, int b) CONST VOLATILE"
        "{\n"
        "    return 42;\n"
        "}\n";
    QByteArray expected =
        "#define CONST const\n"
        "#define VOLATILE volatile\n"
        "class Foo\n"
        "{\n"
        "    int func(int a, int b) CONST VOLATILE\n"
        "    {\n"
        "        return 42;\n"
        "    }\n"
        "};\n\n\n\n";

    MoveFuncDefToDeclPush factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory,
                          ProjectExplorer::HeaderPaths(), 0, "QTCREATORBUG-12314");
}

/// Check: Move all definitions from header to cpp.
void QuickfixTest::testMoveAllFuncDefOutsideMemberFuncToCpp()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Foo {@\n"
        "  int numberA() const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "  int numberB() const\n"
        "  {\n"
        "    return 5;\n"
        "  }\n"
        "};\n";
    expected =
        "class Foo {\n"
        "  int numberA() const;\n"
        "  int numberB() const;\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n";
    expected =
        "#include \"file.h\"\n"
        "\n"
        "int Foo::numberA() const\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        "\n"
        "int Foo::numberB() const\n"
        "{\n"
        "    return 5;\n"
        "}\n"
        ;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    MoveAllFuncDefOutside factory;
    QuickFixOperationTest(testDocuments, &factory);
}

/// Check: Move all definition outside class
void QuickfixTest::testMoveAllFuncDefOutsideMemberFuncOutside()
{
    QByteArray original =
        "class F@oo {\n"
        "    int f1()\n"
        "    {\n"
        "        return 1;\n"
        "    }\n"
        "    int f2() const\n"
        "    {\n"
        "        return 2;\n"
        "    }\n"
        "};\n";
    QByteArray expected =
        "class Foo {\n"
        "    int f1();\n"
        "    int f2() const;\n"
        "};\n"
        "\n"
        "int Foo::f1()\n"
        "{\n"
        "    return 1;\n"
        "}\n"
        "\n"
        "int Foo::f2() const\n"
        "{\n"
        "    return 2;\n"
        "}\n";

    MoveAllFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check: Move all definition outside class
void QuickfixTest::testMoveAllFuncDefOutsideDoNotTriggerOnBaseClass()
{
    QByteArray original =
        "class Bar;\n"
        "class Foo : public Ba@r {\n"
        "    int f1()\n"
        "    {\n"
        "        return 1;\n"
        "    }\n"
        "};\n";

    MoveAllFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, ""), &factory);
}

/// Check: Move all definition outside class
void QuickfixTest::testMoveAllFuncDefOutsideClassWithBaseClass()
{
    QByteArray original =
        "class Bar;\n"
        "class Fo@o : public Bar {\n"
        "    int f1()\n"
        "    {\n"
        "        return 1;\n"
        "    }\n"
        "};\n";
    QByteArray expected =
        "class Bar;\n"
        "class Foo : public Bar {\n"
        "    int f1();\n"
        "};\n"
        "\n"
        "int Foo::f1()\n"
        "{\n"
        "    return 1;\n"
        "}\n";

    MoveAllFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

/// Check: Do not take macro expanded code into account (QTCREATORBUG-13900)
void QuickfixTest::testMoveAllFuncDefOutsideIgnoreMacroCode()
{
    QByteArray original =
        "#define FAKE_Q_OBJECT int bar() {return 5;}\n"
        "class Fo@o {\n"
        "    FAKE_Q_OBJECT\n"
        "    int f1()\n"
        "    {\n"
        "        return 1;\n"
        "    }\n"
        "};\n";
    QByteArray expected =
        "#define FAKE_Q_OBJECT int bar() {return 5;}\n"
        "class Foo {\n"
        "    FAKE_Q_OBJECT\n"
        "    int f1();\n"
        "};\n"
        "\n"
        "int Foo::f1()\n"
        "{\n"
        "    return 1;\n"
        "}\n";

    MoveAllFuncDefOutside factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testAssignToLocalVariableTemplates()
{

    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "template <typename T>\n"
        "class List {\n"
        "public:\n"
        "    T first();"
        "};\n"
        ;
    expected = original;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n"
        "void foo() {\n"
        "    List<int> list;\n"
        "    li@st.first();\n"
        "}\n";
    expected =
        "#include \"file.h\"\n"
        "void foo() {\n"
        "    List<int> list;\n"
        "    auto localFirst = list.first();\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    AssignToLocalVariable factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testExtractFunction_data()
{
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    QTest::newRow("basic")
        << _("// Documentation for f\n"
             "void f()\n"
             "{\n"
             "    @{start}g();@{end}\n"
             "}\n")
        << _("inline void extracted()\n"
             "{\n"
             "    g();\n"
             "}\n"
             "\n"
             "// Documentation for f\n"
             "void f()\n"
             "{\n"
             "    extracted();\n"
             "}\n");

    QTest::newRow("class function")
        << _("class Foo\n"
             "{\n"
             "private:\n"
             "    void bar();\n"
             "};\n\n"
             "void Foo::bar()\n"
             "{\n"
             "    @{start}g();@{end}\n"
             "}\n")
        << _("class Foo\n"
             "{\n"
             "public:\n"
             "    void extracted();\n\n"
             "private:\n"
             "    void bar();\n"
             "};\n\n"
             "inline void Foo::extracted()\n"
             "{\n"
             "    g();\n"
             "}\n\n"
             "void Foo::bar()\n"
             "{\n"
             "    extracted();\n"
             "}\n");

    QTest::newRow("class in namespace")
        << _("namespace NS {\n"
             "class C {\n"
             "    void f(C &c);\n"
             "};\n"
             "}\n"
             "void NS::C::f(NS::C &c)\n"
             "{\n"
             "    @{start}C *c2 = &c;@{end}\n"
             "}\n")
        << _("namespace NS {\n"
             "class C {\n"
             "    void f(C &c);\n"
             "\n"
             "public:\n"
             "    void extracted(NS::C &c);\n" // TODO: Remove non-required qualification
             "};\n"
             "}\n"
             "inline void NS::C::extracted(NS::C &c)\n"
             "{\n"
             "    C *c2 = &c;\n"
             "}\n"
             "\n"
             "void NS::C::f(NS::C &c)\n"
             "{\n"
             "    extracted(c);\n"
             "}\n");

    QTest::newRow("if-block")
            << _("inline void func()\n"
                 "{\n"
                 "    int dummy = 0;\n"
                 "    @{start}if@{end} (dummy < 10) {\n"
                 "        ++dummy;\n"
                 "    }\n"
                 "}\n")
            << _("inline void extracted(int dummy)\n"
                 "{\n"
                 "    if (dummy < 10) {\n"
                 "        ++dummy;\n"
                 "    }\n"
                 "}\n\n"
                 "inline void func()\n"
                 "{\n"
                 "    int dummy = 0;\n"
                 "    extracted(dummy);\n"
                 "}\n");
}

void QuickfixTest::testExtractFunction()
{
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("file.h", original, expected);

    ExtractFunction factory([]() { return QLatin1String("extracted"); });
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testExtractLiteralAsParameterTypeDeduction_data()
{
    QTest::addColumn<QByteArray>("typeString");
    QTest::addColumn<QByteArray>("literal");
    QTest::newRow("int")
            << QByteArray("int ") << QByteArray("156");
    QTest::newRow("unsigned int")
            << QByteArray("unsigned int ") << QByteArray("156u");
    QTest::newRow("long")
            << QByteArray("long ") << QByteArray("156l");
    QTest::newRow("unsigned long")
            << QByteArray("unsigned long ") << QByteArray("156ul");
    QTest::newRow("long long")
            << QByteArray("long long ") << QByteArray("156ll");
    QTest::newRow("unsigned long long")
            << QByteArray("unsigned long long ") << QByteArray("156ull");
    QTest::newRow("float")
            << QByteArray("float ") << QByteArray("3.14159f");
    QTest::newRow("double")
            << QByteArray("double ") << QByteArray("3.14159");
    QTest::newRow("long double")
            << QByteArray("long double ") << QByteArray("3.14159L");
    QTest::newRow("bool")
            << QByteArray("bool ") << QByteArray("true");
    QTest::newRow("bool")
            << QByteArray("bool ") << QByteArray("false");
    QTest::newRow("char")
            << QByteArray("char ") << QByteArray("'X'");
    QTest::newRow("wchar_t")
            << QByteArray("wchar_t ") << QByteArray("L'X'");
    QTest::newRow("char16_t")
            << QByteArray("char16_t ") << QByteArray("u'X'");
    QTest::newRow("char32_t")
            << QByteArray("char32_t ") << QByteArray("U'X'");
    QTest::newRow("const char *")
            << QByteArray("const char *") << QByteArray("\"narf\"");
    QTest::newRow("const wchar_t *")
            << QByteArray("const wchar_t *") << QByteArray("L\"narf\"");
    QTest::newRow("const char16_t *")
            << QByteArray("const char16_t *") << QByteArray("u\"narf\"");
    QTest::newRow("const char32_t *")
            << QByteArray("const char32_t *") << QByteArray("U\"narf\"");
}

void QuickfixTest::testExtractLiteralAsParameterTypeDeduction()
{
    QFETCH(QByteArray, typeString);
    QFETCH(QByteArray, literal);
    const QByteArray original = QByteArray("void foo() {return @") + literal + QByteArray(";}\n");
    const QByteArray expected = QByteArray("void foo(") + typeString + QByteArray("newParameter = ")
            + literal + QByteArray(") {return newParameter;}\n");

    if (literal == "3.14159") {
        qWarning("Literal 3.14159 is wrongly reported as int. Skipping.");
        return;
    } else if (literal == "3.14159L") {
        qWarning("Literal 3.14159L is wrongly reported as long. Skipping.");
        return;
    }

    ExtractLiteralAsParameter factory;
    QuickFixOperationTest(singleDocument(original, expected), &factory);
}

void QuickfixTest::testExtractLiteralAsParameterFreeFunctionSeparateFiles()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "void foo(const char *a, long b = 1);\n";
    expected =
        "void foo(const char *a, long b = 1, int newParameter = 156);\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "void foo(const char *a, long b)\n"
        "{return 1@56 + 123 + 156;}\n";
    expected =
        "void foo(const char *a, long b, int newParameter)\n"
        "{return newParameter + 123 + newParameter;}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    ExtractLiteralAsParameter factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testExtractLiteralAsParameterMemberFunctionSeparateFiles()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    QByteArray expected;

    // Header File
    original =
        "class Narf {\n"
        "public:\n"
        "    int zort();\n"
        "};\n";
    expected =
        "class Narf {\n"
        "public:\n"
        "    int zort(int newParameter = 155);\n"
        "};\n";
    testDocuments << CppTestDocument::create("file.h", original, expected);

    // Source File
    original =
        "#include \"file.h\"\n\n"
        "int Narf::zort()\n"
        "{ return 15@5 + 1; }\n";
    expected =
        "#include \"file.h\"\n\n"
        "int Narf::zort(int newParameter)\n"
        "{ return newParameter + 1; }\n";
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    ExtractLiteralAsParameter factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testExtractLiteralAsParameterNotTriggeringForInvalidCode()
{
    QList<TestDocumentPtr> testDocuments;
    QByteArray original;
    original =
        "T(\"test\")\n"
        "{\n"
        "    const int i = @14;\n"
        "}\n";
    testDocuments << CppTestDocument::create("file.cpp", original, "");

    ExtractLiteralAsParameter factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testAddCurlyBraces_data()
{
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    QByteArray original = R"delim(
void MyObject::f()
{
    @if (true)
        emit mySig();
})delim";
    QByteArray expected = R"delim(
void MyObject::f()
{
    if (true) {
        emit mySig();
    }
})delim";
    QTest::newRow("if") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (true)
        emit mySig();
    else
        emit otherSig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    @if (true) {
        emit mySig();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if with one else, unbraced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (true) {
        emit mySig();
    } else
        emit otherSig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    @if (true) {
        emit mySig();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if with one else, if braced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (true)
        emit mySig();
    else {
        emit otherSig();
    }
})delim";
    expected = R"delim(
void MyObject::f()
{
    @if (true) {
        emit mySig();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if with one else, else braced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (true) {
        emit mySig();
    } else {
        emit otherSig();
    }
})delim";
    expected.clear();
    QTest::newRow("if with one else, both braced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1)
        emit sig1();
    else if (x == 2)
        emit sig2();
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    }
})delim";
    QTest::newRow("if-else chain without final else, unbraced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1) {
        emit sig1();
    } else if (x == 2)
        emit sig2();
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    }
})delim";
    QTest::newRow("if-else chain without final else, partially braced 1") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1)
        emit sig1();
    else if (x == 2) {
        emit sig2();
    }
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    }
})delim";
    QTest::newRow("if-else chain without final else, partially braced 2") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    }
})delim";
    expected.clear();
    QTest::newRow("if-else chain without final else, fully braced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1)
        emit sig1();
    else if (x == 2)
        emit sig2();
    else if (x == 3)
        emit sig3();
    else
        emit otherSig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    } else if (x == 3) {
        emit sig3();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if-else chain, unbraced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1) {
        emit sig1();
    } else if (x == 2)
        emit sig2();
    else if (x == 3)
        emit sig3();
    else
        emit otherSig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    } else if (x == 3) {
        emit sig3();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if-else chain, partially braced 1") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1)
        emit sig1();
    else if (x == 2) {
        emit sig2();
    } else if (x == 3)
        emit sig3();
    else
        emit otherSig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    } else if (x == 3) {
        emit sig3();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if-else chain, partially braced 2") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1)
        emit sig1();
    else if (x == 2)
        emit sig2();
    else if (x == 3) {
        emit sig3();
    } else
        emit otherSig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    } else if (x == 3) {
        emit sig3();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if-else chain, partially braced 3") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1)
        emit sig1();
    else if (x == 2)
        emit sig2();
    else if (x == 3)
        emit sig3();
    else {
        emit otherSig();
    }
})delim";
    expected = R"delim(
void MyObject::f()
{
    if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    } else if (x == 3) {
        emit sig3();
    } else {
        emit otherSig();
    }
})delim";
    QTest::newRow("if-else chain, partially braced 4") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @if (x == 1) {
        emit sig1();
    } else if (x == 2) {
        emit sig2();
    } else if (x == 3) {
        emit sig3();
    } else {
        emit otherSig();
    }
})delim";
    expected.clear();
    QTest::newRow("if-else chain, fully braced") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @while (true)
        emit mySig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    while (true) {
        emit mySig();
    }
})delim";
    QTest::newRow("while") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @for (int i = 0; i < 10; ++i)
        emit mySig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    for (int i = 0; i < 10; ++i) {
        emit mySig();
    }
})delim";
    QTest::newRow("for") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @for (int i : list)
        emit mySig();
})delim";
    expected = R"delim(
void MyObject::f()
{
    for (int i : list) {
        emit mySig();
    }
})delim";
    QTest::newRow("range-based for") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @do
        emit mySig();
    while (true);
})delim";
    expected = R"delim(
void MyObject::f()
{
    do {
        emit mySig();
    } while (true);
})delim";
    QTest::newRow("do") << original << expected;

    original = R"delim(
void MyObject::f()
{
    @do {
        emit mySig();
    } while (true);
})delim";
    expected.clear();
    QTest::newRow("already has braces") << original << expected;
}

void QuickfixTest::testAddCurlyBraces()
{
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    AddBracesToControlStatement factory;
    QuickFixOperationTest({CppTestDocument::create("file.cpp", original, expected)}, &factory);
}

void QuickfixTest::testConvertQt4ConnectConnectOutOfClass()
{
    QByteArray prefix =
        "class QObject {};\n"
        "class TestClass : public QObject\n"
        "{\n"
        "public:\n"
        "    void setProp(int) {}\n"
        "    void sigFoo(int) {}\n"
        "};\n"
        "\n"
        "int foo()\n"
        "{\n";

    QByteArray suffix = "\n}\n";

    QByteArray original = prefix
          + "    TestClass obj;\n"
            "    conne@ct(&obj, SIGNAL(sigFoo(int)), &obj, SLOT(setProp(int)));"
          + suffix;

    QByteArray expected = prefix
          + "    TestClass obj;\n"
            "    connect(&obj, &TestClass::sigFoo, &obj, &TestClass::setProp);"
          + suffix;

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("file.cpp", original, expected);

    ConvertQt4Connect factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testConvertQt4ConnectConnectWithinClass_data()
{
    QTest::addColumn<QByteArray>("original");
    QTest::addColumn<QByteArray>("expected");

    QTest::newRow("four-args-connect")
            << QByteArray("conne@ct(this, SIGNAL(sigFoo(int)), this, SLOT(setProp(int)));")
            << QByteArray("connect(this, &TestClass::sigFoo, this, &TestClass::setProp);");

    QTest::newRow("four-args-disconnect")
            << QByteArray("disconne@ct(this, SIGNAL(sigFoo(int)), this, SLOT(setProp(int)));")
            << QByteArray("disconnect(this, &TestClass::sigFoo, this, &TestClass::setProp);");

    QTest::newRow("three-args-connect")
            << QByteArray("conne@ct(this, SIGNAL(sigFoo(int)), SLOT(setProp(int)));")
            << QByteArray("connect(this, &TestClass::sigFoo, this, &TestClass::setProp);");

    QTest::newRow("template-value")
            << QByteArray("Pointer<TestClass> p;\n"
                          "conne@ct(p.t, SIGNAL(sigFoo(int)), p.t, SLOT(setProp(int)));")
            << QByteArray("Pointer<TestClass> p;\n"
                          "connect(p.t, &TestClass::sigFoo, p.t, &TestClass::setProp);");

    QTest::newRow("implicit-pointer")
            << QByteArray("Pointer<TestClass> p;\n"
                          "conne@ct(p, SIGNAL(sigFoo(int)), p, SLOT(setProp(int)));")
            << QByteArray("Pointer<TestClass> p;\n"
                          "connect(p.data(), &TestClass::sigFoo, p.data(), &TestClass::setProp);");
}

void QuickfixTest::testConvertQt4ConnectConnectWithinClass()
{
    QFETCH(QByteArray, original);
    QFETCH(QByteArray, expected);

    QByteArray prefix =
        "template<class T>\n"
        "struct Pointer\n"
        "{\n"
        "    T *t;\n"
        "    operator T*() const { return t; }\n"
        "    T *data() const { return t; }\n"
        "};\n"
        "class QObject {};\n"
        "class TestClass : public QObject\n"
        "{\n"
        "public:\n"
        "    void setProp(int) {}\n"
        "    void sigFoo(int) {}\n"
        "    void setupSignals();\n"
        "};\n"
        "\n"
        "int TestClass::setupSignals()\n"
        "{\n";

    QByteArray suffix = "\n}\n";

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("file.cpp",
                                              prefix + original + suffix,
                                              prefix + expected + suffix);

    ConvertQt4Connect factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testConvertQt4ConnectDifferentNamespace()
{
    const QByteArray prefix =
        "namespace NsA {\n"
        "class ClassA : public QObject\n"
        "{\n"
        "  static ClassA *instance();\n"
        "signals:\n"
        "  void sig();\n"
        "};\n"
        "}\n"
        "\n"
        "namespace NsB {\n"
        "class ClassB : public QObject\n"
        "{\n"
        "  void slot();\n"
        "  void connector() {\n";

    const QByteArray suffix = "  }\n};\n}";

    const QByteArray original = "co@nnect(NsA::ClassA::instance(), SIGNAL(sig()),\n"
                                "        this, SLOT(slot()));\n";
    const QByteArray expected = "connect(NsA::ClassA::instance(), &NsA::ClassA::sig,\n"
                                "        this, &ClassB::slot);\n";
    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("file.cpp",
                                              prefix + original + suffix,
                                              prefix + expected + suffix);

    ConvertQt4Connect factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testRemoveUsingNamespace_data()
{
    QTest::addColumn<QByteArray>("header1");
    QTest::addColumn<QByteArray>("header2");
    QTest::addColumn<QByteArray>("header3");
    QTest::addColumn<QByteArray>("expected1");
    QTest::addColumn<QByteArray>("expected2");
    QTest::addColumn<QByteArray>("expected3");
    QTest::addColumn<int>("operation");

    const QByteArray header1 = "namespace std{\n"
                               "    template<typename T>\n"
                               "    class vector{};\n"
                               "    namespace chrono{\n"
                               "        using seconds = int;\n"
                               "    }\n"
                               "}\n"
                               "using namespace std;\n"
                               "namespace test{\n"
                               "    class vector{\n"
                               "       std::vector<int> ints;\n"
                               "    };\n"
                               "}\n";
    const QByteArray header2 = "#include \"header1.h\"\n"
                               "using foo = test::vector;\n"
                               "using namespace std;\n"
                               "using namespace test;\n"
                               "vector<int> others;\n";

    const QByteArray header3 = "#include \"header2.h\"\n"
                               "using namespace std;\n"
                               "using namespace chrono;\n"
                               "namespace test{\n"
                               "   vector vec;\n"
                               "   seconds t;\n"
                               "}\n"
                               "void scope(){\n"
                               "    for (;;) {\n"
                               "        using namespace std;\n"
                               "        vector<int> fori;\n"
                               "    }\n"
                               "    vector<int> no;\n"
                               "    using namespace std;\n"
                               "    vector<int> _no_change;\n"
                               "}\n"
                               "foo foos;\n";

    QByteArray h3 = "#include \"header2.h\"\n"
                    "using namespace s@td;\n"
                    "using namespace chrono;\n"
                    "namespace test{\n"
                    "   vector vec;\n"
                    "   seconds t;\n"
                    "}\n"
                    "void scope(){\n"
                    "    for (;;) {\n"
                    "        using namespace std;\n"
                    "        vector<int> fori;\n"
                    "    }\n"
                    "    vector<int> no;\n"
                    "    using namespace std;\n"
                    "    vector<int> _no_change;\n"
                    "}\n"
                    "foo foos;\n";

    // like header1 but without "using namespace std;\n"
    QByteArray expected1 = "namespace std{\n"
                           "    template<typename T>\n"
                           "    class vector{};\n"
                           "    namespace chrono{\n"
                           "        using seconds = int;\n"
                           "    }\n"
                           "}\n"
                           "namespace test{\n"
                           "    class vector{\n"
                           "       std::vector<int> ints;\n"
                           "    };\n"
                           "}\n";

    // like header2 but without "using namespace std;\n" and with std::vector
    QByteArray expected2 = "#include \"header1.h\"\n"
                           "using foo = test::vector;\n"
                           "using namespace test;\n"
                           "std::vector<int> others;\n";

    QByteArray expected3 = "#include \"header2.h\"\n"
                           "using namespace std::chrono;\n"
                           "namespace test{\n"
                           "   vector vec;\n"
                           "   seconds t;\n"
                           "}\n"
                           "void scope(){\n"
                           "    for (;;) {\n"
                           "        using namespace std;\n"
                           "        vector<int> fori;\n"
                           "    }\n"
                           "    std::vector<int> no;\n"
                           "    using namespace std;\n"
                           "    vector<int> _no_change;\n"
                           "}\n"
                           "foo foos;\n";

    QTest::newRow("remove only in one file local")
        << header1 << header2 << h3 << header1 << header2 << expected3 << 0;
    QTest::newRow("remove only in one file globally")
        << header1 << header2 << h3 << expected1 << expected2 << expected3 << 1;

    QByteArray h2 = "#include \"header1.h\"\n"
                    "using foo = test::vector;\n"
                    "using namespace s@td;\n"
                    "using namespace test;\n"
                    "vector<int> others;\n";

    QTest::newRow("remove across two files only this")
        << header1 << h2 << header3 << header1 << expected2 << header3 << 0;
    QTest::newRow("remove across two files globally1")
        << header1 << h2 << header3 << expected1 << expected2 << expected3 << 1;

    QByteArray h1 = "namespace std{\n"
                    "    template<typename T>\n"
                    "    class vector{};\n"
                    "    namespace chrono{\n"
                    "        using seconds = int;\n"
                    "    }\n"
                    "}\n"
                    "using namespace s@td;\n"
                    "namespace test{\n"
                    "    class vector{\n"
                    "       std::vector<int> ints;\n"
                    "    };\n"
                    "}\n";

    QTest::newRow("remove across tree files only this")
        << h1 << header2 << header3 << expected1 << header2 << header3 << 0;
    QTest::newRow("remove across tree files globally")
        << h1 << header2 << header3 << expected1 << expected2 << expected3 << 1;

    expected3 = "#include \"header2.h\"\n"
                "using namespace std::chrono;\n"
                "namespace test{\n"
                "   vector vec;\n"
                "   seconds t;\n"
                "}\n"
                "void scope(){\n"
                "    for (;;) {\n"
                "        using namespace s@td;\n"
                "        vector<int> fori;\n"
                "    }\n"
                "    std::vector<int> no;\n"
                "    using namespace std;\n"
                "    vector<int> _no_change;\n"
                "}\n"
                "foo foos;\n";

    QByteArray expected3_new = "#include \"header2.h\"\n"
                               "using namespace std::chrono;\n"
                               "namespace test{\n"
                               "   vector vec;\n"
                               "   seconds t;\n"
                               "}\n"
                               "void scope(){\n"
                               "    for (;;) {\n"
                               "        std::vector<int> fori;\n"
                               "    }\n"
                               "    std::vector<int> no;\n"
                               "    using namespace std;\n"
                               "    vector<int> _no_change;\n"
                               "}\n"
                               "foo foos;\n";

    QTest::newRow("scoped remove")
        << expected1 << expected2 << expected3 << expected1 << expected2 << expected3_new << 0;

    h2 = "#include \"header1.h\"\n"
         "using foo = test::vector;\n"
         "using namespace std;\n"
         "using namespace t@est;\n"
         "vector<int> others;\n";
    expected2 = "#include \"header1.h\"\n"
                "using foo = test::vector;\n"
                "using namespace std;\n"
                "vector<int> others;\n";

    QTest::newRow("existing namespace")
        << header1 << h2 << header3 << header1 << expected2 << header3 << 1;

    // test: remove using directive at global scope in every file
    h1 = "using namespace tes@t;";
    h2 = "using namespace test;";
    h3 = "using namespace test;";

    expected1 = expected2 = expected3 = "";
    QTest::newRow("global scope remove in every file")
        << h1 << h2 << h3 << expected1 << expected2 << expected3 << 1;

    // test: dont print inline namespaces
    h1 = R"--(
namespace test {
  inline namespace test {
    class Foo{
      void foo1();
      void foo2();
    };
    inline int TEST = 42;
  }
}
)--";
    h2 = R"--(
#include "header1.h"
using namespace tes@t;
)--";
    h3 = R"--(
#include "header2.h"
Foo f1;
test::Foo f2;
using T1 = Foo;
using T2 = test::Foo;
int i1 = TEST;
int i2 = test::TEST;
void Foo::foo1(){};
void test::Foo::foo2(){};
)--";

    expected1 = h1;
    expected2 = R"--(
#include "header1.h"
)--";
    expected3 = R"--(
#include "header2.h"
test::Foo f1;
test::Foo f2;
using T1 = test::Foo;
using T2 = test::Foo;
int i1 = test::TEST;
int i2 = test::TEST;
void test::Foo::foo1(){};
void test::Foo::foo2(){};
)--";
    QTest::newRow("don't insert inline namespaces")
        << h1 << h2 << h3 << expected1 << expected2 << expected3 << 0;
}

void QuickfixTest::testRemoveUsingNamespace()
{
    QFETCH(QByteArray, header1);
    QFETCH(QByteArray, header2);
    QFETCH(QByteArray, header3);
    QFETCH(QByteArray, expected1);
    QFETCH(QByteArray, expected2);
    QFETCH(QByteArray, expected3);
    QFETCH(int, operation);

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("header1.h", header1, expected1);
    testDocuments << CppTestDocument::create("header2.h", header2, expected2);
    testDocuments << CppTestDocument::create("header3.h", header3, expected3);

    RemoveUsingNamespace factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), operation);
}

void QuickfixTest::testRemoveUsingNamespaceSimple_data()
{
    QTest::addColumn<QByteArray>("header");
    QTest::addColumn<QByteArray>("expected");

    const QByteArray common = R"--(
namespace N{
    template<typename T>
    struct vector{
        using iterator = T*;
    };
    using int_vector = vector<int>;
}
)--";
    const QByteArray header = common + R"--(
using namespace N@;
int_vector ints;
int_vector::iterator intIter;
using vec = vector<int>;
vec::iterator it;
)--";
    const QByteArray expected = common + R"--(
N::int_vector ints;
N::int_vector::iterator intIter;
using vec = N::vector<int>;
vec::iterator it;
)--";

    QTest::newRow("nested typedefs with Namespace") << header << expected;
}

void QuickfixTest::testRemoveUsingNamespaceSimple()
{
    QFETCH(QByteArray, header);
    QFETCH(QByteArray, expected);

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("header.h", header, expected);

    RemoveUsingNamespace factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths());
}

void QuickfixTest::testRemoveUsingNamespaceDifferentSymbols()
{
    QByteArray header = "namespace test{\n"
                        "  struct foo{\n"
                        "    foo();\n"
                        "    void bar();\n"
                        "  };\n"
                        "  void func();\n"
                        "  enum E {E1, E2};\n"
                        "  int bar;\n"
                        "}\n"
                        "using namespace t@est;\n"
                        "foo::foo(){}\n"
                        "void foo::bar(){}\n"
                        "void test(){\n"
                        "  int i = bar * 4;\n"
                        "  E val = E1;\n"
                        "  auto p = &foo::bar;\n"
                        "  func()\n"
                        "}\n";
    QByteArray expected = "namespace test{\n"
                          "  struct foo{\n"
                          "    foo();\n"
                          "    void bar();\n"
                          "  };\n"
                          "  void func();\n"
                          "  enum E {E1, E2};\n"
                          "  int bar;\n"
                          "}\n"
                          "test::foo::foo(){}\n"
                          "void test::foo::bar(){}\n"
                          "void test(){\n"
                          "  int i = test::bar * 4;\n"
                          "  test::E val = test::E1;\n"
                          "  auto p = &test::foo::bar;\n"
                          "  test::func()\n"
                          "}\n";

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("file.h", header, expected);
    RemoveUsingNamespace factory;
    QuickFixOperationTest(testDocuments, &factory, ProjectExplorer::HeaderPaths(), 0);
}

enum ConstructorLocation { Inside, Outside, CppGenNamespace, CppGenUsingDirective, CppRewriteType };

void QuickfixTest::testGenerateConstructor_data()
{
    QTest::addColumn<QByteArray>("original_header");
    QTest::addColumn<QByteArray>("expected_header");
    QTest::addColumn<QByteArray>("original_source");
    QTest::addColumn<QByteArray>("expected_source");
    QTest::addColumn<int>("location");
    const int Inside = ConstructorLocation::Inside;
    const int Outside = ConstructorLocation::Outside;
    const int CppGenNamespace = ConstructorLocation::CppGenNamespace;
    const int CppGenUsingDirective = ConstructorLocation::CppGenUsingDirective;
    const int CppRewriteType = ConstructorLocation::CppRewriteType;

    QByteArray header = R"--(
class@ Foo{
    int test;
    static int s;
};
)--";
    QByteArray expected = R"--(
class Foo{
    int test;
    static int s;
public:
    Foo(int test) : test(test)
    {}
};
)--";
    QTest::newRow("ignore static") << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    CustomType test;
};
)--";
    expected = R"--(
class Foo{
    CustomType test;
public:
    Foo(CustomType test) : test(std::move(test))
    {}
};
)--";
    QTest::newRow("Move custom value types")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    int test;
protected:
    Foo() = default;
};
)--";
    expected = R"--(
class Foo{
    int test;
public:
    Foo(int test) : test(test)
    {}

protected:
    Foo() = default;
};
)--";

    QTest::newRow("new section before existing")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    int test;
};
)--";
    expected = R"--(
class Foo{
    int test;
public:
    Foo(int test) : test(test)
    {}
};
)--";
    QTest::newRow("new section at end")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    int test;
public:
    /**
     * Random comment
     */
    Foo(int i, int i2);
};
)--";
    expected = R"--(
class Foo{
    int test;
public:
    Foo(int test) : test(test)
    {}
    /**
     * Random comment
     */
    Foo(int i, int i2);
};
)--";
    QTest::newRow("in section before")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    int test;
public:
    Foo() = default;
};
)--";
    expected = R"--(
class Foo{
    int test;
public:
    Foo() = default;
    Foo(int test) : test(test)
    {}
};
)--";
    QTest::newRow("in section after")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    int test1;
    int test2;
    int test3;
public:
};
)--";
    expected = R"--(
class Foo{
    int test1;
    int test2;
    int test3;
public:
    Foo(int test2, int test3, int test1) : test1(test1),
        test2(test2),
        test3(test3)
    {}
};
)--";
    // No worry, that is not the default behavior.
    // Move first member to the back when testing with 3 or more members
    QTest::newRow("changed parameter order")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
class@ Foo{
    int test;
    int di_test;
public:
};
)--";
    expected = R"--(
class Foo{
    int test;
    int di_test;
public:
    Foo(int test, int di_test = 42) : test(test),
        di_test(di_test)
    {}
};
)--";
    QTest::newRow("default parameters")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
struct Bar{
    Bar(int i);
};
class@ Foo : public Bar{
    int test;
public:
};
)--";
    expected = R"--(
struct Bar{
    Bar(int i);
};
class Foo : public Bar{
    int test;
public:
    Foo(int test, int i) : Bar(i),
        test(test)
    {}
};
)--";
    QTest::newRow("parent constructor")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
struct Bar{
    Bar(int use_i = 6);
};
class@ Foo : public Bar{
    int test;
public:
};
)--";
    expected = R"--(
struct Bar{
    Bar(int use_i = 6);
};
class Foo : public Bar{
    int test;
public:
    Foo(int test, int use_i = 6) : Bar(use_i),
        test(test)
    {}
};
)--";
    QTest::newRow("parent constructor with default")
        << header << expected << QByteArray() << QByteArray() << Inside;

    header = R"--(
struct Bar{
    Bar(int use_i = L'A', int use_i2 = u8"B");
};
class@ Foo : public Bar{
public:
};
)--";
    expected = R"--(
struct Bar{
    Bar(int use_i = L'A', int use_i2 = u8"B");
};
class Foo : public Bar{
public:
    Foo(int use_i = L'A', int use_i2 = u8"B") : Bar(use_i, use_i2)
    {}
};
)--";
    QTest::newRow("parent constructor with char/string default value")
        << header << expected << QByteArray() << QByteArray() << Inside;

    const QByteArray common = R"--(
namespace N{
    template<typename T>
    struct vector{
    };
}
)--";
    header = common + R"--(
namespace M{
enum G{g};
class@ Foo{
    N::vector<G> g;
    enum E{e}e;
public:
};
}
)--";

    expected = common + R"--(
namespace M{
enum G{g};
class@ Foo{
    N::vector<G> g;
    enum E{e}e;
public:
    Foo(const N::vector<G> &g, E e);
};

Foo::Foo(const N::vector<G> &g, Foo::E e) : g(g),
    e(e)
{}

}
)--";
    QTest::newRow("source: right type outside class ")
        << QByteArray() << QByteArray() << header << expected << Outside;
    expected = common + R"--(
namespace M{
enum G{g};
class@ Foo{
    N::vector<G> g;
    enum E{e}e;
public:
    Foo(const N::vector<G> &g, E e);
};
}


inline M::Foo::Foo(const N::vector<M::G> &g, M::Foo::E e) : g(g),
    e(e)
{}

)--";
    QTest::newRow("header: right type outside class ")
        << header << expected << QByteArray() << QByteArray() << Outside;

    expected = common + R"--(
namespace M{
enum G{g};
class@ Foo{
    N::vector<G> g;
    enum E{e}e;
public:
    Foo(const N::vector<G> &g, E e);
};
}
)--";
    const QByteArray source = R"--(
#include "file.h"
)--";
    QByteArray expected_source = R"--(
#include "file.h"


namespace M {
Foo::Foo(const N::vector<G> &g, Foo::E e) : g(g),
    e(e)
{}

}
)--";
    QTest::newRow("source: right type inside namespace")
        << header << expected << source << expected_source << CppGenNamespace;

    expected_source = R"--(
#include "file.h"

using namespace M;
Foo::Foo(const N::vector<G> &g, Foo::E e) : g(g),
    e(e)
{}
)--";
    QTest::newRow("source: right type with using directive")
        << header << expected << source << expected_source << CppGenUsingDirective;

    expected_source = R"--(
#include "file.h"

M::Foo::Foo(const N::vector<M::G> &g, M::Foo::E e) : g(g),
    e(e)
{}
)--";
    QTest::newRow("source: right type while rewritung types")
        << header << expected << source << expected_source << CppRewriteType;
}

void QuickfixTest::testGenerateConstructor()
{
    class TestFactory : public GenerateConstructor
    {
    public:
        TestFactory() { setTest(); }
    };

    QFETCH(QByteArray, original_header);
    QFETCH(QByteArray, expected_header);
    QFETCH(QByteArray, original_source);
    QFETCH(QByteArray, expected_source);
    QFETCH(int, location);

    QuickFixSettings s;
    s->valueTypes << "CustomType";
    using L = ConstructorLocation;
    if (location == L::Inside) {
        s->setterInCppFileFrom = -1;
        s->setterOutsideClassFrom = -1;
    } else if (location == L::Outside) {
        s->setterInCppFileFrom = -1;
        s->setterOutsideClassFrom = 1;
    } else if (location >= L::CppGenNamespace && location <= L::CppRewriteType) {
        s->setterInCppFileFrom = 1;
        s->setterOutsideClassFrom = -1;
        using Handling = CppQuickFixSettings::MissingNamespaceHandling;
        if (location == L::CppGenNamespace)
            s->cppFileNamespaceHandling = Handling::CreateMissing;
        else if (location == L::CppGenUsingDirective)
            s->cppFileNamespaceHandling = Handling::AddUsingDirective;
        else if (location == L::CppRewriteType)
            s->cppFileNamespaceHandling = Handling::RewriteType;
    } else {
        QFAIL("location is none of the values of the ConstructorLocation enum");
    }

    QList<TestDocumentPtr> testDocuments;
    testDocuments << CppTestDocument::create("file.h", original_header, expected_header);
    testDocuments << CppTestDocument::create("file.cpp", original_source, expected_source);
    TestFactory factory;
    QuickFixOperationTest(testDocuments, &factory);
}

void QuickfixTest::testChangeCommentType_data()
{
    QTest::addColumn<QString>("input");
    QTest::addColumn<QString>("expectedOutput");

    QTest::newRow("C -> C++ / no selection / single line") << R"(
int var1;
/* Other comment, unaffected */
/* Our @comment */
/* Another unaffected comment */
int var2;)" << R"(
int var1;
/* Other comment, unaffected */
// Our comment
/* Another unaffected comment */
int var2;)";

    QTest::newRow("C -> C++ / no selection / multi-line / preserved header and footer") << R"(
/****************************************************
 * some info
 * more @info
 ***************************************************/)" << R"(
/////////////////////////////////////////////////////
// some info
// more info
/////////////////////////////////////////////////////)";

    QTest::newRow("C -> C++ / no selection / multi-line / non-preserved header and footer") << R"(
/*
 * some info
 * more @info
 */)" << R"(
// some info
// more info
)";

    QTest::newRow("C -> C++ / no selection / qdoc") << R"(
/*!
    \qmlproperty string Type::element.name
    \qmlproperty int Type::element.id

    \brief Holds the @element name and id.
*/)" << R"(
//! \qmlproperty string Type::element.name
//! \qmlproperty @int Type::element.id
//!
//! \brief Holds the element name and id.
)";

    QTest::newRow("C -> C++ / no selection / doxygen") << R"(
/*! \class Test
    \brief A test class.

    A more detailed @class description.
*/)" << R"(
//! \class Test
//! \brief A test class.
//!
//! A more detailed class description.
)";

    QTest::newRow("C -> C++ / selection / single line") << R"(
int var1;
/* Other comment, unaffected */
@{start}/* Our comment */@{end}
/* Another unaffected comment */
int var2;)" << R"(
int var1;
/* Other comment, unaffected */
// Our comment
/* Another unaffected comment */
int var2;)";

    QTest::newRow("C -> C++ / selection / multi-line / preserved header and footer") << R"(
/****************************************************
 * @{start}some info
 * more info@{end}
 ***************************************************/)" << R"(
/////////////////////////////////////////////////////
// some info
// more info
/////////////////////////////////////////////////////)";

    QTest::newRow("C -> C++ / selection / multi-line / non-preserved header and footer") << R"(
/*@{start}
 * some in@{end}fo
 * more info
 */)" << R"(
// some info
// more info
)";

    QTest::newRow("C -> C++ / selection / qdoc") << R"(
/*!@{start}
    \qmlproperty string Type::element.name
    \qmlproperty int Type::element.id

    \brief Holds the element name and id.
*/@{end})" << R"(
//! \qmlproperty string Type::element.name
//! \qmlproperty int Type::element.id
//!
//! \brief Holds the element name and id.
)";

    QTest::newRow("C -> C++ / selection / doxygen") << R"(
/** Expand envi@{start}ronment variables in a string.
 *
 * Environment variables are accepted in the @{end}following forms:
 * $SOMEVAR, ${SOMEVAR} on Unix and %SOMEVAR% on Windows.
 * No escapes and quoting are supported.
 * If a variable is not found, it is not substituted.
 */)" << R"(
//! Expand environment variables in a string.
//!
//! Environment variables are accepted in the following forms:
//! $SOMEVAR, ${SOMEVAR} on Unix and %SOMEVAR% on Windows.
//! No escapes and quoting are supported.
//! If a variable is not found, it is not substituted.
)";

    QTest::newRow("C -> C++ / selection / multiple comments") << R"(
@{start}/* Affected comment */
/* Another affected comment */
/* A third affected comment */@{end}
/* An unaffected comment */)" << R"(
// Affected comment
// Another affected comment
// A third affected comment
/* An unaffected comment */)";

    // FIXME: Remove adjacent newline along with last block
    // FIXME: Use CppRefactoringFile to auto-indent continuation lines?
    QTest::newRow("C -> C++, indented") << R"(
struct S {
    /*
     * @This is an
     * indented comment.
     */
    void func();
)" << R"(
struct S {
    // This is an
// indented comment.

    void func();
)";

    QTest::newRow("C++ -> C / no selection / single line") << R"(
// Other comment, unaffected
// Our @comment
// Another unaffected comment)" << R"(
// Other comment, unaffected
/* Our comment */
// Another unaffected comment)";

    QTest::newRow("C++ -> C / selection / single line") << R"(
// Other comment, unaffected
@{start}// Our comment@{end}
// Another unaffected comment)" << R"(
// Other comment, unaffected
/* Our comment */
// Another unaffected comment)";

    QTest::newRow("C++ -> C / selection / multi-line / preserved header and footer") << R"(
@{start}/////////////////////////////////////////////////////
// some info
// more info
/////////////////////////////////////////////////////@{end})" << R"(
/****************************************************/
/* some info                                        */
/* more info                                        */
/****************************************************/)";

    QTest::newRow("C++ -> C / selection / qdoc") << R"(
@{start}//! \qmlproperty string Type::element.name
//! \qmlproperty int Type::element.id
//!
//! \brief Holds the element name and id.@{end}
)" << R"(
/*!
    \qmlproperty string Type::element.name
    \qmlproperty int Type::element.id

    \brief Holds the element name and id.
*/
)";

    QTest::newRow("C++ -> C / selection / doxygen") << R"(
@{start}//! \class Test
//! \brief A test class.
//!
//! A more detailed class description.@{end}
)" << R"(
/*!
    \class Test
    \brief A test class.

    A more detailed class description.
*/
)";
}

void QuickfixTest::testChangeCommentType()
{
    QFETCH(QString, input);
    QFETCH(QString, expectedOutput);

    ConvertCommentStyle factory;
    QuickFixOperationTest(
        {CppTestDocument::create("file.h", input.toUtf8(), expectedOutput.toUtf8())},
        &factory);
}

void QuickfixTest::testMoveComments_data()
{
    QTest::addColumn<QByteArrayList>("headers");
    QTest::addColumn<QByteArrayList>("sources");

    const QByteArrayList headersFuncDecl2Def{R"(
// Function comment
void @aFunction();
)", R"(
void aFunction();
)"};
    const QByteArrayList sourcesFuncDecl2Def{R"(
#include "file.h"

void aFunction() {}
)", R"(
#include "file.h"

// Function comment
void aFunction() {}
)"};
    QTest::newRow("function: from decl to def") << headersFuncDecl2Def << sourcesFuncDecl2Def;

    const QByteArrayList headersFuncDef2Decl{R"(
void aFunction();
)", R"(
/* function */
/* comment */
void aFunction();
)"};
    const QByteArrayList sourcesFuncDef2Decl{R"(
#include "file.h"

/* function */
/* comment */
void a@Function() {}
)", R"(
#include "file.h"

void aFunction() {}
)"};
    QTest::newRow("function: from def to decl") << headersFuncDef2Decl << sourcesFuncDef2Decl;

    const QByteArrayList headersFuncNoDef{R"(
// Function comment
void @aFunction();
)", R"(
// Function comment
void aFunction();
)"};
    QTest::newRow("function: no def") << headersFuncNoDef << QByteArrayList();

    const QByteArrayList headersFuncNoDecl{R"(
// Function comment
inline void @aFunction() {}
)", R"(
// Function comment
inline void aFunction() {}
)"};
    QTest::newRow("function: no decl") << headersFuncNoDecl << QByteArrayList();

    const QByteArrayList headersFuncTemplateDecl2Def{R"(
// Function comment
template<typename T> T @aFunction();

template<typename T> inline T aFunction() { return T(); }
)", R"(
template<typename T> T aFunction();

// Function comment
template<typename T> inline T aFunction() { return T(); }
)"};
    QTest::newRow("function template: from decl to def") << headersFuncTemplateDecl2Def
                                                         << QByteArrayList();

    const QByteArrayList headersFuncTemplateDef2Decl{R"(
template<typename T> T aFunction();

// Function comment
template<typename T> inline T @aFunction() { return T(); }
)", R"(
// Function comment
template<typename T> T aFunction();

template<typename T> inline T aFunction() { return T(); }
)"};
    QTest::newRow("function template: from def to decl") << headersFuncTemplateDef2Decl
                                                         << QByteArrayList();

    const QByteArrayList headersMemberDecl2Def{R"(
class C {
    /**
      * \brief Foo::aMember
      */
    void @aMember();
)", R"(
class C {
    void aMember();
)"};
    const QByteArrayList sourcesMemberDecl2Def{R"(
#include "file.h"

void C::aMember() {}
)", R"(
#include "file.h"

/**
  * \brief Foo::aMember
  */
void C::aMember() {}
)"};
    QTest::newRow("member function: from decl to def") << headersMemberDecl2Def
                                                       << sourcesMemberDecl2Def;

    const QByteArrayList headersMemberDef2Decl{R"(
class C {
    void aMember();
)", R"(
class C {
    /**
      * \brief Foo::aMember
      */
    void aMember();
)"};
    const QByteArrayList sourcesMemberDef2Decl{R"(
#include "file.h"

/**
  * \brief Foo::aMember
  */
void C::aMember() {@}
)", R"(
#include "file.h"

void C::aMember() {}
)"};
    QTest::newRow("member function: from def to decl") << headersMemberDef2Decl
                                                       << sourcesMemberDef2Decl;
}

void QuickfixTest::testMoveComments()
{
    QFETCH(QByteArrayList, headers);
    QFETCH(QByteArrayList, sources);

    QList<TestDocumentPtr> documents;
    QCOMPARE(headers.size(), 2);
    documents << CppTestDocument::create("file.h", headers.at(0), headers.at(1));
    if (!sources.isEmpty()) {
        QCOMPARE(sources.size(), 2);
        documents << CppTestDocument::create("file.cpp", sources.at(0), sources.at(1));
    }
    MoveFunctionComments factory;
    QByteArray failMessage;
    if (QByteArray(QTest::currentDataTag()) == "function template: from def to decl")
        failMessage = "decl/def switch doesn't work for templates";
    QuickFixOperationTest(documents, &factory, {}, {}, failMessage);
}

void QuickfixTest::testConvertToMetaMethodInvocation_data()
{
    QTest::addColumn<QByteArray>("input");
    QTest::addColumn<QByteArray>("expected");

    // ^ marks the cursor locations.
    // $ marks the replacement regions.
    // The quoted string in the comment is the data tag.
    // The rest of the comment is the replacement string.
    const QByteArray allCases = R"(
class C {
public:
    C() {
        $this->^aSignal()$; // "signal from region on pointer to object" QMetaObject::invokeMethod(this, "aSignal")
        C c;
        $c.^aSignal()$; // "signal from region on object value" QMetaObject::invokeMethod(&c, "aSignal")
        $(new C)->^aSignal()$; // "signal from region on expression" QMetaObject::invokeMethod((new C), "aSignal")
        $emit this->^aSignal()$; // "signal from region, with emit" QMetaObject::invokeMethod(this, "aSignal")
        $Q_EMIT this->^aSignal()$; // "signal from region, with Q_EMIT" QMetaObject::invokeMethod(this, "aSignal")
        $this->^aSlot()$; // "slot from region" QMetaObject::invokeMethod(this, "aSlot")
        $this->^noArgs()$; // "Q_SIGNAL, no arguments" QMetaObject::invokeMethod(this, "noArgs")
        $this->^oneArg(0)$; // "Q_SLOT, one argument" QMetaObject::invokeMethod(this, "oneArg", Q_ARG(int, 0))
        $this->^twoArgs(0, c)$; // "Q_INVOKABLE, two arguments" QMetaObject::invokeMethod(this, "twoArgs", Q_ARG(int, 0), Q_ARG(C, c))
        this->^notInvokable(); // "not invokable"
    }

signals:
    void aSignal();

private slots:
    void aSlot();

private:
    Q_SIGNAL void noArgs();
    Q_SLOT void oneArg(int index);
    Q_INVOKABLE void twoArgs(int index, const C &value);
    void notInvokable();
};
)";

    qsizetype nextCursor = allCases.indexOf('^');
    while (nextCursor != -1) {
        const int commentStart = allCases.indexOf("//", nextCursor);
        QVERIFY(commentStart != -1);
        const int tagStart = allCases.indexOf('"', commentStart + 2);
        QVERIFY(tagStart != -1);
        const int tagEnd = allCases.indexOf('"', tagStart + 1);
        QVERIFY(tagEnd != -1);
        QByteArray input = allCases;
        QByteArray output = allCases;
        input.replace(nextCursor, 1, "@");
        const QByteArray tag = allCases.mid(tagStart + 1, tagEnd - tagStart - 1);
        const int prevNewline = allCases.lastIndexOf('\n', nextCursor);
        const int regionStart = allCases.lastIndexOf('$', nextCursor);
        bool hasReplacement = false;
        if (regionStart != -1 && regionStart > prevNewline) {
            const int regionEnd = allCases.indexOf('$', regionStart + 1);
            QVERIFY(regionEnd != -1);
            const int nextNewline = allCases.indexOf('\n', tagEnd);
            QVERIFY(nextNewline != -1);
            const QByteArray replacement
                = allCases.mid(tagEnd + 1, nextNewline - tagEnd - 1).trimmed();
            output.replace(regionStart, regionEnd - regionStart, replacement);
            hasReplacement = true;
        }
        static const auto matcher = [](char c) { return c == '^' || c == '$'; };
        input.removeIf(matcher);
        if (hasReplacement) {
            output.removeIf(matcher);
            output.prepend("#include <QMetaObject>\n\n");
        } else {
            output.clear();
        }
        QTest::newRow(tag.data()) << input << output;
        nextCursor = allCases.indexOf('^', nextCursor + 1);
    }
}

void QuickfixTest::testConvertToMetaMethodInvocation()
{
    QFETCH(QByteArray, input);
    QFETCH(QByteArray, expected);

    ConvertToMetaMethodCall factory;
    QuickFixOperationTest({CppTestDocument::create("file.cpp", input, expected)}, &factory);
}

void QuickfixTest::testMoveClassToOwnFile_data()
{
    QTest::addColumn<QString>("projectName");
    QTest::addColumn<QString>("fileName");
    QTest::addColumn<QString>("className");
    QTest::addColumn<bool>("applicable");

    QTest::newRow("nested") << "nested" << "main.cpp" << "Inner" << false;
    QTest::newRow("file name match 1") << "match1" << "TheClass.h" << "TheClass" << false;
    QTest::newRow("file name match 2") << "match2" << "theclass.h" << "TheClass" << false;
    QTest::newRow("file name match 3") << "match3" << "the_class.h" << "TheClass" << false;
    QTest::newRow("single") << "single" << "theheader.h" << "TheClass" << false;
    QTest::newRow("complex") << "complex" << "theheader.h" << "TheClass" << true;
    QTest::newRow("header only") << "header-only" << "theheader.h" << "TheClass" << true;
    QTest::newRow("decl in source file") << "decl-in-source" << "thesource.cpp" << "TheClass" << true;
    QTest::newRow("template") << "template" << "theheader.h" << "TheClass" << true;
}

void QuickfixTest::testMoveClassToOwnFile()
{
    QFETCH(QString, projectName);
    QFETCH(QString, fileName);
    QFETCH(QString, className);
    QFETCH(bool, applicable);
    using namespace CppEditor::Tests;

    // Set up project.
    Kit * const kit  = Utils::findOr(KitManager::kits(), nullptr, [](const Kit *k) {
        return k->isValid() && !k->hasWarning() && k->value("QtSupport.QtInformation").isValid();
    });
    if (!kit)
        QSKIP("The test requires at least one valid kit with a valid Qt");
    const auto projectDir = std::make_unique<TemporaryCopiedDir>(
                ":/cppeditor/testcases/move-class/" + projectName);
    SourceFilesRefreshGuard refreshGuard;
    ProjectOpenerAndCloser projectMgr;
    QVERIFY(projectMgr.open(projectDir->absolutePath(projectName + ".pro"), true, kit));
    QVERIFY(refreshGuard.wait());

    // Open header file and locate class.
    const auto headerFilePath = projectDir->absolutePath(fileName);
    QVERIFY2(headerFilePath.exists(), qPrintable(headerFilePath.toUserOutput()));
    const auto editor = qobject_cast<BaseTextEditor *>(EditorManager::openEditor(headerFilePath));
    QVERIFY(editor);
    const auto doc = qobject_cast<TextEditor::TextDocument *>(editor->document());
    QVERIFY(doc);
    QTextCursor classCursor = doc->document()->find("class " + className);
    QVERIFY(!classCursor.isNull());
    editor->setCursorPosition(classCursor.position());
    const auto editorWidget = qobject_cast<CppEditorWidget *>(editor->editorWidget());
    QVERIFY(editorWidget);
    QVERIFY(TestCase::waitForRehighlightedSemanticDocument(editorWidget));

    // Query factory.
    MoveClassToOwnFile factory;
    factory.setNonInteractive();
    CppQuickFixInterface quickFixInterface(editorWidget, ExplicitlyInvoked);
    QuickFixOperations operations;
    factory.match(quickFixInterface, operations);
    QCOMPARE(operations.isEmpty(), !applicable);
    if (!applicable)
        return;
    operations.first()->perform();
    QVERIFY(waitForSignalOrTimeout(doc, &IDocument::saved, 30000));
    QTest::qWait(1000);

    // Compare all files.
    const FileFilter filter({"*_expected"}, QDir::Files);
    const FilePaths expectedDocuments = projectDir->filePath().dirEntries(filter);
    QVERIFY(!expectedDocuments.isEmpty());
    for (const FilePath &expected : expectedDocuments) {
        static const QString suffix = "_expected";
        const FilePath actual = expected.parentDir()
                .pathAppended(expected.fileName().chopped(suffix.length()));
        QVERIFY(actual.exists());
        const auto actualContents = actual.fileContents();
        QVERIFY(actualContents);
        const auto expectedContents = expected.fileContents();
        const QByteArrayList actualLines = actualContents->split('\n');
        const QByteArrayList expectedLines = expectedContents->split('\n');
        if (actualLines.size() != expectedLines.size()) {
            qDebug().noquote().nospace() << "---\n" << *expectedContents << "EOF";
            qDebug().noquote().nospace() << "+++\n" << *actualContents << "EOF";
        }
        QCOMPARE(actualLines.size(), expectedLines.size());
        for (int i = 0; i < actualLines.size(); ++i) {
            const QByteArray actualLine = actualLines.at(i);
            const QByteArray expectedLine = expectedLines.at(i);
            if (actualLine != expectedLine)
                qDebug() << "Unexpected content in line" << (i + 1) << "of file"
                         << actual.fileName();
            QCOMPARE(actualLine, expectedLine);
        }
    }
}

} // namespace CppEditor::Internal::Tests