Initial import from the monolithic Qt.

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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

4 files changed, 777 insertions, 0 deletions

diff --git a/tests/auto/qabstractfileengine/qabstractfileengine.pro b/tests/auto/qabstractfileengine/qabstractfileengine.pro
new file mode 100644
index 0000000000..870473a4cb
--- /dev/null
+++ b/tests/auto/qabstractfileengine/qabstractfileengine.pro
@@ -0,0 +1,6 @@
+load(qttest_p4)
+QT = core
+
+SOURCES = tst_qabstractfileengine.cpp
+RESOURCES += qabstractfileengine.qrc
+
diff --git a/tests/auto/qabstractfileengine/qabstractfileengine.qrc b/tests/auto/qabstractfileengine/qabstractfileengine.qrc
new file mode 100644
index 0000000000..5401b086b2
--- /dev/null
+++ b/tests/auto/qabstractfileengine/qabstractfileengine.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/tst_qabstractfileengine/">
+   <file>resources/</file>
+</qresource>
+</RCC>
diff --git a/tests/auto/qabstractfileengine/resources/file.txt b/tests/auto/qabstractfileengine/resources/file.txt
new file mode 100644
index 0000000000..8a03e0e55f
--- /dev/null
+++ b/tests/auto/qabstractfileengine/resources/file.txt
@@ -0,0 +1 @@
+This is a simple text file.
diff --git a/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp b/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp
new file mode 100644
index 0000000000..1178169ab1
--- /dev/null
+++ b/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp
@@ -0,0 +1,765 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the FOO module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/QAbstractFileEngine>
+#include <QtCore/QFSFileEngine>
+
+#include <QtCore/QMutex>
+#include <QtCore/QMutexLocker>
+#include <QtCore/QSharedPointer>
+#include <QtCore/QScopedPointer>
+#include <QtCore/QHash>
+
+#include <QtTest/QTest>
+
+#include <QtCore/QDebug>
+
+class tst_QAbstractFileEngine
+    : public QObject
+{
+    Q_OBJECT
+public slots:
+    void cleanupTestCase();
+
+private slots:
+    void customHandler();
+
+    void fileIO_data();
+    void fileIO();
+
+private:
+    QStringList filesForRemoval;
+};
+
+class ReferenceFileEngine
+    : public QAbstractFileEngine
+{
+public:
+    ReferenceFileEngine(const QString &fileName)
+        : fileName_(fileName)
+        , position_(-1)
+        , openForRead_(false)
+        , openForWrite_(false)
+    {
+    }
+
+    bool open(QIODevice::OpenMode openMode)
+    {
+        Q_ASSERT(!openForRead_);
+        Q_ASSERT(!openForWrite_);
+
+        openFile_ = resolveFile(openMode & QIODevice::WriteOnly);
+        if (!openFile_)
+            return false;
+
+        position_ = 0;
+        if (openMode & QIODevice::ReadOnly)
+            openForRead_ = true;
+
+        if (openMode & QIODevice::WriteOnly) {
+            openForWrite_ = true;
+
+            QMutexLocker lock(&openFile_->mutex);
+            if (openMode & QIODevice::Truncate
+                    || !(openForRead_ || openMode & QIODevice::Append))
+                openFile_->content.clear();
+
+            if (openMode & QIODevice::Append)
+                position_ = openFile_->content.size();
+        }
+
+        return true;
+    }
+
+    bool close()
+    {
+        openFile_.clear();
+
+        openForRead_ = false;
+        openForWrite_ = false;
+        position_ = -1;
+
+        return true;
+    }
+
+    qint64 size() const
+    {
+        QSharedPointer<File> file = resolveFile(false);
+        if (!file)
+            return 0;
+
+        QMutexLocker lock(&file->mutex);
+        return file->content.size();
+    }
+
+    qint64 pos() const
+    {
+        Q_ASSERT(openForRead_ || openForWrite_);
+        return position_;
+    }
+
+    bool seek(qint64 pos)
+    {
+        Q_ASSERT(openForRead_ || openForWrite_);
+
+        if (pos >= 0) {
+            position_ = pos;
+            return true;
+        }
+
+        return false;
+    }
+
+    bool flush()
+    {
+        Q_ASSERT(openForRead_ || openForWrite_);
+        return true;
+    }
+
+    bool remove()
+    {
+        QMutexLocker lock(&fileSystemMutex);
+        int count = fileSystem.remove(fileName_);
+
+        return (count == 1);
+    }
+
+    bool copy(const QString &newName)
+    {
+        QMutexLocker lock(&fileSystemMutex);
+        if (!fileSystem.contains(fileName_)
+                || fileSystem.contains(newName))
+            return false;
+
+        fileSystem.insert(newName, fileSystem.value(fileName_));
+        return true;
+    }
+
+    bool rename(const QString &newName)
+    {
+        QMutexLocker lock(&fileSystemMutex);
+        if (!fileSystem.contains(fileName_)
+                || fileSystem.contains(newName))
+            return false;
+
+        fileSystem.insert(newName, fileSystem.take(fileName_));
+        return true;
+    }
+
+    //  bool link(const QString &newName)
+    //  {
+    //      Q_UNUSED(newName)
+    //      return false;
+    //  }
+
+    //  bool mkdir(const QString &dirName, bool createParentDirectories) const
+    //  {
+    //      Q_UNUSED(dirName)
+    //      Q_UNUSED(createParentDirectories)
+
+    //      return false;
+    //  }
+
+    //  bool rmdir(const QString &dirName, bool recurseParentDirectories) const
+    //  {
+    //      Q_UNUSED(dirName)
+    //      Q_UNUSED(recurseParentDirectories)
+
+    //      return false;
+    //  }
+
+    bool setSize(qint64 size)
+    {
+        if (size < 0)
+            return false;
+
+        QSharedPointer<File> file = resolveFile(false);
+        if (!file)
+            return false;
+
+        QMutexLocker lock(&file->mutex);
+        file->content.resize(size);
+
+        if (openForRead_ || openForWrite_)
+            if (position_ > size)
+                position_ = size;
+
+        return (file->content.size() == size);
+    }
+
+    FileFlags fileFlags(FileFlags type) const
+    {
+        QSharedPointer<File> file = resolveFile(false);
+        if (file) {
+            QMutexLocker lock(&file->mutex);
+            return (file->fileFlags & type);
+        }
+
+        return FileFlags();
+    }
+
+    //  bool setPermissions(uint perms)
+    //  {
+    //      Q_UNUSED(perms)
+
+    //      return false;
+    //  }
+
+    QString fileName(FileName file) const
+    {
+        switch (file) {
+            case DefaultName:
+                return QLatin1String("DefaultName");
+            case BaseName:
+                return QLatin1String("BaseName");
+            case PathName:
+                return QLatin1String("PathName");
+            case AbsoluteName:
+                return QLatin1String("AbsoluteName");
+            case AbsolutePathName:
+                return QLatin1String("AbsolutePathName");
+            case LinkName:
+                return QLatin1String("LinkName");
+            case CanonicalName:
+                return QLatin1String("CanonicalName");
+            case CanonicalPathName:
+                return QLatin1String("CanonicalPathName");
+            case BundleName:
+                return QLatin1String("BundleName");
+
+            default:
+                break;
+        }
+
+        return QString();
+    }
+
+    uint ownerId(FileOwner owner) const
+    {
+        QSharedPointer<File> file = resolveFile(false);
+        if (file) {
+            switch (owner) {
+                case OwnerUser:
+                {
+                    QMutexLocker lock(&file->mutex);
+                    return file->userId;
+                }
+                case OwnerGroup:
+                {
+                    QMutexLocker lock(&file->mutex);
+                    return file->groupId;
+                }
+            }
+        }
+
+        return -2;
+    }
+
+    QString owner(FileOwner owner) const
+    {
+        QSharedPointer<File> file = resolveFile(false);
+        if (file) {
+            uint ownerId;
+            switch (owner) {
+                case OwnerUser:
+                {
+                    QMutexLocker lock(&file->mutex);
+                    ownerId = file->userId;
+                }
+
+                {
+                    QMutexLocker lock(&fileSystemMutex);
+                    return fileSystemUsers.value(ownerId);
+                }
+
+                case OwnerGroup:
+                {
+                    QMutexLocker lock(&file->mutex);
+                    ownerId = file->groupId;
+                }
+
+                {
+                    QMutexLocker lock(&fileSystemMutex);
+                    return fileSystemGroups.value(ownerId);
+                }
+            }
+        }
+
+        return QString();
+    }
+
+    QDateTime fileTime(FileTime time) const
+    {
+        QSharedPointer<File> file = resolveFile(false);
+        if (file) {
+            QMutexLocker lock(&file->mutex);
+            switch (time) {
+                case CreationTime:
+                    return file->creation;
+                case ModificationTime:
+                    return file->modification;
+                case AccessTime:
+                    return file->access;
+            }
+        }
+
+        return QDateTime();
+    }
+
+    void setFileName(const QString &file)
+    {
+        Q_ASSERT(!openForRead_);
+        Q_ASSERT(!openForWrite_);
+
+        fileName_ = file;
+    }
+
+    //  typedef QAbstractFileEngineIterator Iterator;
+    //  Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames)
+    //  {
+    //      Q_UNUSED(filters)
+    //      Q_UNUSED(filterNames)
+
+    //      return 0;
+    //  }
+
+    //  Iterator *endEntryList()
+    //  {
+    //      return 0;
+    //  }
+
+    qint64 read(char *data, qint64 maxLen)
+    {
+        Q_ASSERT(openForRead_);
+
+        Q_ASSERT(!openFile_.isNull());
+        QMutexLocker lock(&openFile_->mutex);
+        qint64 readSize = qMin(openFile_->content.size() - position_, maxLen);
+        if (readSize < 0)
+            return -1;
+
+        qMemCopy(data, openFile_->content.constData() + position_, readSize);
+        position_ += readSize;
+
+        return readSize;
+    }
+
+    qint64 write(const char *data, qint64 length)
+    {
+        Q_ASSERT(openForWrite_);
+
+        if (length < 0)
+            return -1;
+
+        Q_ASSERT(!openFile_.isNull());
+        QMutexLocker lock(&openFile_->mutex);
+        if (openFile_->content.size() == position_)
+            openFile_->content.append(data, length);
+        else {
+            if (position_ + length > openFile_->content.size())
+                openFile_->content.resize(position_ + length);
+            openFile_->content.replace(position_, length, data, length);
+        }
+
+        qint64 writeSize = qMin(length, openFile_->content.size() - position_);
+        position_ += writeSize;
+
+        return writeSize;
+    }
+
+protected:
+    // void setError(QFile::FileError error, const QString &str);
+
+    struct File
+    {
+        File()
+            : userId(0)
+            , groupId(0)
+            , fileFlags(
+                    ReadOwnerPerm | WriteOwnerPerm | ExeOwnerPerm
+                    | ReadUserPerm | WriteUserPerm | ExeUserPerm
+                    | ReadGroupPerm | WriteGroupPerm | ExeGroupPerm
+                    | ReadOtherPerm | WriteOtherPerm | ExeOtherPerm
+                    | FileType | ExistsFlag)
+        {
+        }
+
+        QMutex mutex;
+
+        uint userId, groupId;
+        QAbstractFileEngine::FileFlags fileFlags;
+        QDateTime creation, modification, access;
+
+        QByteArray content;
+    };
+
+    QSharedPointer<File> resolveFile(bool create) const
+    {
+        if (openForRead_ || openForWrite_) {
+            Q_ASSERT(openFile_);
+            return openFile_;
+        }
+
+        QMutexLocker lock(&fileSystemMutex);
+        if (create) {
+            QSharedPointer<File> &p = fileSystem[fileName_];
+            if (p.isNull())
+                p = QSharedPointer<File>(new File);
+            return p;
+        }
+
+        return fileSystem.value(fileName_);
+    }
+
+    static QMutex fileSystemMutex;
+    static QHash<uint, QString> fileSystemUsers, fileSystemGroups;
+    static QHash<QString, QSharedPointer<File> > fileSystem;
+
+private:
+    QString fileName_;
+    qint64 position_;
+    bool openForRead_;
+    bool openForWrite_;
+
+    mutable QSharedPointer<File> openFile_;
+};
+
+QMutex ReferenceFileEngine::fileSystemMutex;
+QHash<uint, QString> ReferenceFileEngine::fileSystemUsers, ReferenceFileEngine::fileSystemGroups;
+QHash<QString, QSharedPointer<ReferenceFileEngine::File> > ReferenceFileEngine::fileSystem;
+
+class FileEngineHandler
+    : QAbstractFileEngineHandler
+{
+    QAbstractFileEngine *create(const QString &fileName) const
+    {
+        if (fileName.startsWith("QFSFileEngine:"))
+            return new QFSFileEngine(fileName.mid(14));
+        if (fileName.startsWith("reference-file-engine:"))
+            return new ReferenceFileEngine(fileName.mid(22));
+        if (fileName.startsWith("resource:"))
+            return QAbstractFileEngine::create(QLatin1String(":/tst_qabstractfileengine/resources/") + fileName.mid(9));
+        return 0;
+    }
+};
+
+void tst_QAbstractFileEngine::cleanupTestCase()
+{
+    bool failed = false;
+
+    FileEngineHandler handler;
+    Q_FOREACH(QString file, filesForRemoval)
+        if (!QFile::remove(file)
+                || QFile::exists(file)) {
+            failed = true;
+            qDebug() << "Couldn't remove file:" << file;
+        }
+
+    QVERIFY(!failed);
+}
+
+void tst_QAbstractFileEngine::customHandler()
+{
+    QScopedPointer<QAbstractFileEngine> file;
+    {
+        file.reset(QAbstractFileEngine::create("resource:file.txt"));
+
+        QVERIFY(file);
+    }
+
+    {
+        FileEngineHandler handler;
+
+        QFile file("resource:file.txt");
+        QVERIFY(file.exists());
+    }
+
+    {
+        QFile file("resource:file.txt");
+        QVERIFY(!file.exists());
+    }
+}
+
+void tst_QAbstractFileEngine::fileIO_data()
+{
+    QTest::addColumn<QString>("fileName");
+    QTest::addColumn<QByteArray>("readContent");
+    QTest::addColumn<QByteArray>("writeContent");
+    QTest::addColumn<bool>("fileExists");
+
+    QString resourceTxtFile(":/tst_qabstractfileengine/resources/file.txt");
+    QByteArray readContent("This is a simple text file.\n");
+    QByteArray writeContent("This contains two lines of text.\n");
+
+    QTest::newRow("resource") << resourceTxtFile << readContent << QByteArray() << true;
+    QTest::newRow("native") << "native-file.txt" << readContent << writeContent << false;
+    QTest::newRow("Forced QFSFileEngine") << "QFSFileEngine:QFSFileEngine-file.txt" << readContent << writeContent << false;
+    QTest::newRow("Custom FE") << "reference-file-engine:file.txt" << readContent << writeContent << false;
+
+    QTest::newRow("Forced QFSFileEngine (native)") << "QFSFileEngine:native-file.txt" << readContent << writeContent << true;
+    QTest::newRow("native (Forced QFSFileEngine)") << "QFSFileEngine-file.txt" << readContent << writeContent << true;
+    QTest::newRow("Custom FE (2)") << "reference-file-engine:file.txt" << readContent << writeContent << true;
+}
+
+void tst_QAbstractFileEngine::fileIO()
+{
+    QFETCH(QString, fileName);
+    QFETCH(QByteArray, readContent);
+    QFETCH(QByteArray, writeContent);
+    QFETCH(bool, fileExists);
+
+    FileEngineHandler handler;
+
+
+    {
+        QFile file(fileName);
+        QCOMPARE(file.exists(), fileExists);
+
+        if (!fileExists) {
+            QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Unbuffered));
+            filesForRemoval.append(fileName);
+
+            QCOMPARE(file.write(readContent), qint64(readContent.size()));
+        }
+    }
+
+    //
+    // File content is: readContent
+    //
+
+    qint64 fileSize = readContent.size();
+    {
+        // Reading
+        QFile file(fileName);
+
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open(QIODevice::ReadOnly | QIODevice::Unbuffered));
+
+        QVERIFY(file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+        QCOMPARE(file.pos(), qint64(0));
+
+        QCOMPARE(file.size(), fileSize);
+        QCOMPARE(file.readAll(), readContent);
+        QCOMPARE(file.pos(), fileSize);
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+    }
+
+    if (writeContent.isEmpty())
+        return;
+
+    {
+        // Writing / appending
+        QFile file(fileName);
+
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Unbuffered));
+
+        QVERIFY(file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+        QCOMPARE(file.pos(), fileSize);
+
+        QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
+
+        fileSize += writeContent.size();
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+    }
+
+    //
+    // File content is: readContent + writeContent
+    //
+
+    {
+        // Reading and Writing
+        QFile file(fileName);
+
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
+
+        QVERIFY(file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+        QCOMPARE(file.pos(), qint64(0));
+
+        QCOMPARE(file.readAll(), readContent + writeContent);
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        QVERIFY(file.seek(writeContent.size()));
+        QCOMPARE(file.pos(), qint64(writeContent.size()));
+        QCOMPARE(file.size(), fileSize);
+
+        QCOMPARE(file.write(readContent), qint64(readContent.size()));
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        QVERIFY(file.seek(0));
+        QCOMPARE(file.pos(), qint64(0));
+        QCOMPARE(file.size(), fileSize);
+
+        QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
+        QCOMPARE(file.pos(), qint64(writeContent.size()));
+        QCOMPARE(file.size(), fileSize);
+
+        QVERIFY(file.seek(0));
+        QCOMPARE(file.read(writeContent.size()), writeContent);
+        QCOMPARE(file.pos(), qint64(writeContent.size()));
+        QCOMPARE(file.size(), fileSize);
+
+        QCOMPARE(file.readAll(), readContent);
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+    }
+
+    //
+    // File content is: writeContent + readContent
+    //
+
+    {
+        // Writing
+        QFile file(fileName);
+
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
+
+        QVERIFY(file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+        QCOMPARE(file.pos(), qint64(0));
+
+        QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
+        QCOMPARE(file.pos(), qint64(writeContent.size()));
+        QCOMPARE(file.size(), fileSize);
+
+        QVERIFY(file.resize(writeContent.size()));
+        QCOMPARE(file.size(), qint64(writeContent.size()));
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QCOMPARE(file.size(), qint64(writeContent.size()));
+
+        QVERIFY(file.resize(fileSize));
+        QCOMPARE(file.size(), fileSize);
+    }
+
+    //
+    // File content is: writeContent + <undefined>
+    // File size is   : (readContent + writeContent).size()
+    //
+
+    {
+        // Writing / extending
+        QFile file(fileName);
+
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
+
+        QVERIFY(file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+        QCOMPARE(file.pos(), qint64(0));
+
+        QVERIFY(file.seek(1024));
+        QCOMPARE(file.pos(), qint64(1024));
+        QCOMPARE(file.size(), fileSize);
+
+        fileSize = 1024 + writeContent.size();
+        QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        QVERIFY(file.seek(1028));
+        QCOMPARE(file.pos(), qint64(1028));
+        QCOMPARE(file.size(), fileSize);
+
+        fileSize = 1028 + writeContent.size();
+        QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+    }
+
+    //
+    // File content is: writeContent + <undefined> + writeContent
+    // File size is   : 1024 + writeContent.size()
+    //
+
+    {
+        // Writing / truncating
+        QFile file(fileName);
+
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Unbuffered));
+
+        QVERIFY(file.isOpen());
+        QCOMPARE(file.size(), qint64(0));
+        QCOMPARE(file.pos(), qint64(0));
+
+        fileSize = readContent.size();
+        QCOMPARE(file.write(readContent), fileSize);
+        QCOMPARE(file.pos(), fileSize);
+        QCOMPARE(file.size(), fileSize);
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QCOMPARE(file.size(), fileSize);
+    }
+
+    //
+    // File content is: readContent
+    //
+}
+
+QTEST_APPLESS_MAIN(tst_QAbstractFileEngine)
+#include "tst_qabstractfileengine.moc"
+