diff options
Diffstat (limited to 'tests/auto/gui/util/qundogroup/tst_qundogroup.cpp')
| -rw-r--r-- | tests/auto/gui/util/qundogroup/tst_qundogroup.cpp | 641 |
1 files changed, 641 insertions, 0 deletions
diff --git a/tests/auto/gui/util/qundogroup/tst_qundogroup.cpp b/tests/auto/gui/util/qundogroup/tst_qundogroup.cpp new file mode 100644 index 0000000000..ba238105ec --- /dev/null +++ b/tests/auto/gui/util/qundogroup/tst_qundogroup.cpp @@ -0,0 +1,641 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include <QtTest/QtTest> +#include <QUndoGroup> +#include <QUndoStack> +#include <QAction> + +/****************************************************************************** +** Commands +*/ + +class InsertCommand : public QUndoCommand +{ +public: + InsertCommand(QString *str, int idx, const QString &text, + QUndoCommand *parent = 0); + + virtual void undo(); + virtual void redo(); + +private: + QString *m_str; + int m_idx; + QString m_text; +}; + +class RemoveCommand : public QUndoCommand +{ +public: + RemoveCommand(QString *str, int idx, int len, QUndoCommand *parent = 0); + + virtual void undo(); + virtual void redo(); + +private: + QString *m_str; + int m_idx; + QString m_text; +}; + +class AppendCommand : public QUndoCommand +{ +public: + AppendCommand(QString *str, const QString &text, QUndoCommand *parent = 0); + + virtual void undo(); + virtual void redo(); + virtual int id() const; + virtual bool mergeWith(const QUndoCommand *other); + + bool merged; + +private: + QString *m_str; + QString m_text; +}; + +InsertCommand::InsertCommand(QString *str, int idx, const QString &text, + QUndoCommand *parent) + : QUndoCommand(parent) +{ + QVERIFY(str->length() >= idx); + + setText("insert"); + + m_str = str; + m_idx = idx; + m_text = text; +} + +void InsertCommand::redo() +{ + QVERIFY(m_str->length() >= m_idx); + + m_str->insert(m_idx, m_text); +} + +void InsertCommand::undo() +{ + QCOMPARE(m_str->mid(m_idx, m_text.length()), m_text); + + m_str->remove(m_idx, m_text.length()); +} + +RemoveCommand::RemoveCommand(QString *str, int idx, int len, QUndoCommand *parent) + : QUndoCommand(parent) +{ + QVERIFY(str->length() >= idx + len); + + setText("remove"); + + m_str = str; + m_idx = idx; + m_text = m_str->mid(m_idx, len); +} + +void RemoveCommand::redo() +{ + QCOMPARE(m_str->mid(m_idx, m_text.length()), m_text); + + m_str->remove(m_idx, m_text.length()); +} + +void RemoveCommand::undo() +{ + QVERIFY(m_str->length() >= m_idx); + + m_str->insert(m_idx, m_text); +} + +AppendCommand::AppendCommand(QString *str, const QString &text, QUndoCommand *parent) + : QUndoCommand(parent) +{ + setText("append"); + + m_str = str; + m_text = text; + merged = false; +} + +void AppendCommand::redo() +{ + m_str->append(m_text); +} + +void AppendCommand::undo() +{ + QCOMPARE(m_str->mid(m_str->length() - m_text.length()), m_text); + + m_str->truncate(m_str->length() - m_text.length()); +} + +int AppendCommand::id() const +{ + return 1; +} + +bool AppendCommand::mergeWith(const QUndoCommand *other) +{ + if (other->id() != id()) + return false; + m_text += static_cast<const AppendCommand*>(other)->m_text; + merged = true; + return true; +} + +/****************************************************************************** +** tst_QUndoStack +*/ + +class tst_QUndoGroup : public QObject +{ + Q_OBJECT +public: + tst_QUndoGroup(); + +private slots: + void setActive(); + void addRemoveStack(); + void deleteStack(); + void checkSignals(); + void addStackAndDie(); + void commandTextFormat(); +}; + +tst_QUndoGroup::tst_QUndoGroup() +{ +} + +void tst_QUndoGroup::setActive() +{ + QUndoGroup group; + QUndoStack stack1(&group), stack2(&group); + + QCOMPARE(group.activeStack(), nullptr); + QCOMPARE(stack1.isActive(), false); + QCOMPARE(stack2.isActive(), false); + + QUndoStack stack3; + QCOMPARE(stack3.isActive(), true); + + group.addStack(&stack3); + QCOMPARE(stack3.isActive(), false); + + stack1.setActive(); + QCOMPARE(group.activeStack(), &stack1); + QCOMPARE(stack1.isActive(), true); + QCOMPARE(stack2.isActive(), false); + QCOMPARE(stack3.isActive(), false); + + group.setActiveStack(&stack2); + QCOMPARE(group.activeStack(), &stack2); + QCOMPARE(stack1.isActive(), false); + QCOMPARE(stack2.isActive(), true); + QCOMPARE(stack3.isActive(), false); + + group.removeStack(&stack2); + QCOMPARE(group.activeStack(), nullptr); + QCOMPARE(stack1.isActive(), false); + QCOMPARE(stack2.isActive(), true); + QCOMPARE(stack3.isActive(), false); + + group.removeStack(&stack2); + QCOMPARE(group.activeStack(), nullptr); + QCOMPARE(stack1.isActive(), false); + QCOMPARE(stack2.isActive(), true); + QCOMPARE(stack3.isActive(), false); +} + +void tst_QUndoGroup::addRemoveStack() +{ + QUndoGroup group; + + QUndoStack stack1(&group); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << &stack1); + + QUndoStack stack2; + group.addStack(&stack2); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << &stack1 << &stack2); + + group.addStack(&stack1); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << &stack1 << &stack2); + + group.removeStack(&stack1); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << &stack2); + + group.removeStack(&stack1); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << &stack2); + + group.removeStack(&stack2); + QCOMPARE(group.stacks(), QList<QUndoStack*>()); +} + +void tst_QUndoGroup::deleteStack() +{ + QUndoGroup group; + + QUndoStack *stack1 = new QUndoStack(&group); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << stack1); + QCOMPARE(group.activeStack(), nullptr); + + stack1->setActive(); + QCOMPARE(group.activeStack(), stack1); + + QUndoStack *stack2 = new QUndoStack(&group); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << stack1 << stack2); + QCOMPARE(group.activeStack(), stack1); + + QUndoStack *stack3 = new QUndoStack(&group); + QCOMPARE(group.stacks(), QList<QUndoStack*>() << stack1 << stack2 << stack3); + QCOMPARE(group.activeStack(), stack1); + + delete stack2; + QCOMPARE(group.stacks(), QList<QUndoStack*>() << stack1 << stack3); + QCOMPARE(group.activeStack(), stack1); + + delete stack1; + QCOMPARE(group.stacks(), QList<QUndoStack*>() << stack3); + QCOMPARE(group.activeStack(), nullptr); + + stack3->setActive(false); + QCOMPARE(group.activeStack(), nullptr); + + stack3->setActive(true); + QCOMPARE(group.activeStack(), stack3); + + group.removeStack(stack3); + QCOMPARE(group.stacks(), QList<QUndoStack*>()); + QCOMPARE(group.activeStack(), nullptr); + + delete stack3; +} + +static QString glue(const QString &s1, const QString &s2) +{ + QString result; + + result.append(s1); + if (!s1.isEmpty() && !s2.isEmpty()) + result.append(' '); + result.append(s2); + + return result; +} + +#define CHECK_STATE(_activeStack, _clean, _canUndo, _undoText, _canRedo, _redoText, \ + _cleanChanged, _indexChanged, _undoChanged, _redoChanged) \ + QCOMPARE(group.activeStack(), (QUndoStack*)_activeStack); \ + QCOMPARE(group.isClean(), _clean); \ + QCOMPARE(group.canUndo(), _canUndo); \ + QCOMPARE(group.undoText(), QString(_undoText)); \ + QCOMPARE(group.canRedo(), _canRedo); \ + QCOMPARE(group.redoText(), QString(_redoText)); \ + if (_indexChanged) { \ + QCOMPARE(indexChangedSpy.count(), 1); \ + indexChangedSpy.clear(); \ + } else { \ + QCOMPARE(indexChangedSpy.count(), 0); \ + } \ + if (_cleanChanged) { \ + QCOMPARE(cleanChangedSpy.count(), 1); \ + QCOMPARE(cleanChangedSpy.at(0).at(0).toBool(), _clean); \ + cleanChangedSpy.clear(); \ + } else { \ + QCOMPARE(cleanChangedSpy.count(), 0); \ + } \ + if (_undoChanged) { \ + QCOMPARE(canUndoChangedSpy.count(), 1); \ + QCOMPARE(canUndoChangedSpy.at(0).at(0).toBool(), _canUndo); \ + QCOMPARE(undo_action->isEnabled(), _canUndo); \ + QCOMPARE(undoTextChangedSpy.count(), 1); \ + QCOMPARE(undoTextChangedSpy.at(0).at(0).toString(), QString(_undoText)); \ + QCOMPARE(undo_action->text(), glue("foo", _undoText)); \ + canUndoChangedSpy.clear(); \ + undoTextChangedSpy.clear(); \ + } else { \ + QCOMPARE(canUndoChangedSpy.count(), 0); \ + QCOMPARE(undoTextChangedSpy.count(), 0); \ + } \ + if (_redoChanged) { \ + QCOMPARE(canRedoChangedSpy.count(), 1); \ + QCOMPARE(canRedoChangedSpy.at(0).at(0).toBool(), _canRedo); \ + QCOMPARE(redo_action->isEnabled(), _canRedo); \ + QCOMPARE(redoTextChangedSpy.count(), 1); \ + QCOMPARE(redoTextChangedSpy.at(0).at(0).toString(), QString(_redoText)); \ + QCOMPARE(redo_action->text(), glue("bar", _redoText)); \ + canRedoChangedSpy.clear(); \ + redoTextChangedSpy.clear(); \ + } else { \ + QCOMPARE(canRedoChangedSpy.count(), 0); \ + QCOMPARE(redoTextChangedSpy.count(), 0); \ + } + +void tst_QUndoGroup::checkSignals() +{ + QUndoGroup group; + QScopedPointer<QAction> undo_action(group.createUndoAction(nullptr, QString("foo"))); + QScopedPointer<QAction> redo_action(group.createRedoAction(nullptr, QString("bar"))); + QSignalSpy indexChangedSpy(&group, &QUndoGroup::indexChanged); + QSignalSpy cleanChangedSpy(&group, &QUndoGroup::cleanChanged); + QSignalSpy canUndoChangedSpy(&group, &QUndoGroup::canUndoChanged); + QSignalSpy undoTextChangedSpy(&group, &QUndoGroup::undoTextChanged); + QSignalSpy canRedoChangedSpy(&group, &QUndoGroup::canRedoChanged); + QSignalSpy redoTextChangedSpy(&group, &QUndoGroup::redoTextChanged); + + QString str; + + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + group.undo(); + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + group.redo(); + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + QUndoStack *stack1 = new QUndoStack(&group); + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + stack1->push(new AppendCommand(&str, "foo")); + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + stack1->setActive(); + CHECK_STATE(stack1, // activeStack + false, // clean + true, // canUndo + "append", // undoText + false, // canRedo + "", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + stack1->push(new InsertCommand(&str, 0, "bar")); + CHECK_STATE(stack1, // activeStack + false, // clean + true, // canUndo + "insert", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + stack1->undo(); + CHECK_STATE(stack1, // activeStack + false, // clean + true, // canUndo + "append", // undoText + true, // canRedo + "insert", // redoText + false, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + stack1->undo(); + CHECK_STATE(stack1, // activeStack + true, // clean + false, // canUndo + "", // undoText + true, // canRedo + "append", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + stack1->undo(); + CHECK_STATE(stack1, // activeStack + true, // clean + false, // canUndo + "", // undoText + true, // canRedo + "append", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + group.undo(); + CHECK_STATE(stack1, // activeStack + true, // clean + false, // canUndo + "", // undoText + true, // canRedo + "append", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + group.redo(); + CHECK_STATE(stack1, // activeStack + false, // clean + true, // canUndo + "append", // undoText + true, // canRedo + "insert", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + stack1->setActive(false); + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + QUndoStack *stack2 = new QUndoStack(&group); + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + false, // cleanChanged + false, // indexChanged + false, // undoChanged + false) // redoChanged + + stack2->setActive(); + CHECK_STATE(stack2, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + stack1->setActive(); + CHECK_STATE(stack1, // activeStack + false, // clean + true, // canUndo + "append", // undoText + true, // canRedo + "insert", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged + + delete stack1; + CHECK_STATE(0, // activeStack + true, // clean + false, // canUndo + "", // undoText + false, // canRedo + "", // redoText + true, // cleanChanged + true, // indexChanged + true, // undoChanged + true) // redoChanged +} + +void tst_QUndoGroup::addStackAndDie() +{ + // Test that QUndoStack doesn't keep a reference to QUndoGroup after the + // group is deleted. + QUndoStack *stack = new QUndoStack; + QUndoGroup *group = new QUndoGroup; + group->addStack(stack); + delete group; + stack->setActive(true); + delete stack; +} + +void tst_QUndoGroup::commandTextFormat() +{ +#if !QT_CONFIG(process) + QSKIP("No QProcess available"); +#else + QString binDir = QLibraryInfo::location(QLibraryInfo::BinariesPath); + + if (QProcess::execute(binDir + "/lrelease -version") != 0) + QSKIP("lrelease is missing or broken"); + + const QString tsFile = QFINDTESTDATA("testdata/qundogroup.ts"); + QVERIFY(!tsFile.isEmpty()); + QFile::remove("qundogroup.qm"); // Avoid confusion by strays. + QVERIFY(!QProcess::execute(binDir + "/lrelease -silent " + tsFile + " -qm qundogroup.qm")); + + QTranslator translator; + + QVERIFY(translator.load("qundogroup.qm")); + QFile::remove("qundogroup.qm"); + qApp->installTranslator(&translator); + + QUndoGroup group; + QScopedPointer<QAction> undo_action(group.createUndoAction(nullptr)); + QScopedPointer<QAction> redo_action(group.createRedoAction(nullptr)); + + QCOMPARE(undo_action->text(), QString("Undo-default-text")); + QCOMPARE(redo_action->text(), QString("Redo-default-text")); + + QUndoStack stack(&group); + stack.setActive(); + QString str; + + stack.push(new AppendCommand(&str, "foo")); + QCOMPARE(undo_action->text(), QString("undo-prefix append undo-suffix")); + QCOMPARE(redo_action->text(), QString("Redo-default-text")); + + stack.push(new InsertCommand(&str, 0, "bar")); + stack.undo(); + QCOMPARE(undo_action->text(), QString("undo-prefix append undo-suffix")); + QCOMPARE(redo_action->text(), QString("redo-prefix insert redo-suffix")); + + stack.undo(); + QCOMPARE(undo_action->text(), QString("Undo-default-text")); + QCOMPARE(redo_action->text(), QString("redo-prefix append redo-suffix")); + + qApp->removeTranslator(&translator); +#endif +} + +QTEST_MAIN(tst_QUndoGroup) + +#include "tst_qundogroup.moc" + |