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qt6windows7/tests/auto/gui/util/qundostack/tst_qundostack.cpp

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qt 6.5.1 original
2023-10-30 06:33:08 +08:00
// 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 <QTest>
#include <QAction>
#include <QUndoStack>
#include <QSignalSpy>
#if QT_CONFIG(process)
#include <QProcess>
#endif
#include <QTranslator>
#include <QLibraryInfo>
/******************************************************************************
** Commands
*/
class InsertCommand : public QUndoCommand
{
public:
InsertCommand(QString *str, int idx, const QString &text,
QUndoCommand *parent = nullptr);
virtual void undo() override;
virtual void redo() override;
private:
QString *m_str;
int m_idx;
QString m_text;
};
class RemoveCommand : public QUndoCommand
{
public:
RemoveCommand(QString *str, int idx, int len, QUndoCommand *parent = nullptr);
virtual void undo() override;
virtual void redo() override;
private:
QString *m_str;
int m_idx;
QString m_text;
};
class AppendCommand : public QUndoCommand
{
public:
AppendCommand(QString *str, const QString &text, bool _fail_merge = false,
QUndoCommand *parent = nullptr);
~AppendCommand();
virtual void undo() override;
virtual void redo() override;
virtual int id() const override;
virtual bool mergeWith(const QUndoCommand *other) override;
bool merged;
bool fail_merge;
static int delete_cnt;
private:
QString *m_str;
QString m_text;
};
class IdleCommand : public QUndoCommand
{
public:
IdleCommand(QUndoCommand *parent = nullptr);
~IdleCommand();
virtual void undo() override;
virtual void redo() override;
};
class MoveMouseCommand : public QUndoCommand
{
public:
MoveMouseCommand(QPoint *mouse, QPoint oldPoint, QPoint newPoint, QUndoCommand *parent = nullptr);
~MoveMouseCommand();
virtual void undo() override;
virtual void redo() override;
virtual int id() const override;
virtual bool mergeWith(const QUndoCommand *other) override;
private:
QPoint *m_mouse;
QPoint m_oldPoint;
QPoint m_newPoint;
};
InsertCommand::InsertCommand(QString *str, int idx, const QString &text,
QUndoCommand *parent)
: QUndoCommand(parent)
{
QVERIFY(str->size() >= idx);
setText("insert");
m_str = str;
m_idx = idx;
m_text = text;
}
void InsertCommand::redo()
{
QVERIFY(m_str->size() >= m_idx);
m_str->insert(m_idx, m_text);
}
void InsertCommand::undo()
{
QCOMPARE(m_str->mid(m_idx, m_text.size()), m_text);
m_str->remove(m_idx, m_text.size());
}
RemoveCommand::RemoveCommand(QString *str, int idx, int len, QUndoCommand *parent)
: QUndoCommand(parent)
{
QVERIFY(str->size() >= 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.size()), m_text);
m_str->remove(m_idx, m_text.size());
}
void RemoveCommand::undo()
{
QVERIFY(m_str->size() >= m_idx);
m_str->insert(m_idx, m_text);
}
int AppendCommand::delete_cnt = 0;
AppendCommand::AppendCommand(QString *str, const QString &text, bool _fail_merge,
QUndoCommand *parent)
: QUndoCommand(parent)
{
setText("append");
m_str = str;
m_text = text;
merged = false;
fail_merge = _fail_merge;
}
AppendCommand::~AppendCommand()
{
++delete_cnt;
}
void AppendCommand::redo()
{
m_str->append(m_text);
}
void AppendCommand::undo()
{
QCOMPARE(m_str->mid(m_str->size() - m_text.size()), m_text);
m_str->truncate(m_str->size() - m_text.size());
}
int AppendCommand::id() const
{
return 1;
}
bool AppendCommand::mergeWith(const QUndoCommand *other)
{
if (other->id() != id())
return false;
if (fail_merge)
return false;
m_text += static_cast<const AppendCommand*>(other)->m_text;
merged = true;
return true;
}
IdleCommand::IdleCommand(QUndoCommand *parent)
: QUndoCommand(parent)
{
// "idle-item" goes to QUndoStack::{redo,undo}Text
// "idle-action" goes to all other places (e.g. QUndoView)
setText("idle-item\nidle-action");
}
IdleCommand::~IdleCommand()
{
}
void IdleCommand::redo()
{
}
void IdleCommand::undo()
{
}
MoveMouseCommand::MoveMouseCommand(QPoint *mouse, QPoint oldPoint, QPoint newPoint, QUndoCommand *parent)
: QUndoCommand(parent)
{
setText("move mouse");
m_mouse = mouse;
m_oldPoint = oldPoint;
m_newPoint = newPoint;
if (m_oldPoint == m_newPoint)
setObsolete(true);
}
MoveMouseCommand::~MoveMouseCommand()
{
}
void MoveMouseCommand::redo()
{
*m_mouse = m_newPoint;
}
void MoveMouseCommand::undo()
{
*m_mouse = m_oldPoint;
}
int MoveMouseCommand::id() const
{
return 2;
}
bool MoveMouseCommand::mergeWith(const QUndoCommand *other)
{
m_newPoint = static_cast<const MoveMouseCommand*>(other)->m_newPoint;
if (m_newPoint == m_oldPoint)
setObsolete(true);
return true;
}
/******************************************************************************
** tst_QUndoStack
*/
class tst_QUndoStack : public QObject
{
Q_OBJECT
public:
tst_QUndoStack();
private slots:
void undoRedo();
void setIndex();
void setClean();
void clear();
void childCommand();
void macroBeginEnd();
void compression();
void obsolete();
void undoLimit();
void commandTextFormat();
void separateUndoText();
};
tst_QUndoStack::tst_QUndoStack()
{
}
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;
}
static void checkState(QSignalSpy &redoTextChangedSpy,
QSignalSpy &canRedoChangedSpy,
QSignalSpy &undoTextChangedSpy,
const QScopedPointer<QAction> &redoAction,
const QScopedPointer<QAction> &undoAction,
QSignalSpy &canUndoChangedSpy,
QSignalSpy &cleanChangedSpy,
QSignalSpy &indexChangedSpy,
QUndoStack &stack,
const bool _clean,
const int _count,
const int _index,
const bool _canUndo,
const QString &_undoText,
const bool _canRedo,
const QString &_redoText,
const bool _cleanChanged,
const bool _indexChanged,
const bool _undoChanged,
const bool _redoChanged)
{
QCOMPARE(stack.count(), _count);
QCOMPARE(stack.isClean(), _clean);
QCOMPARE(stack.index(), _index);
QCOMPARE(stack.canUndo(), _canUndo);
QCOMPARE(stack.undoText(), QString(_undoText));
QCOMPARE(stack.canRedo(), _canRedo);
QCOMPARE(stack.redoText(), QString(_redoText));
if (_indexChanged) {
QCOMPARE(indexChangedSpy.size(), 1);
QCOMPARE(indexChangedSpy.at(0).at(0).toInt(), _index);
indexChangedSpy.clear();
} else {
QCOMPARE(indexChangedSpy.size(), 0);
}
if (_cleanChanged) {
QCOMPARE(cleanChangedSpy.size(), 1);
QCOMPARE(cleanChangedSpy.at(0).at(0).toBool(), _clean);
cleanChangedSpy.clear();
} else {
QCOMPARE(cleanChangedSpy.size(), 0);
}
if (_undoChanged) {
QCOMPARE(canUndoChangedSpy.size(), 1);
QCOMPARE(canUndoChangedSpy.at(0).at(0).toBool(), _canUndo);
QCOMPARE(undoAction->isEnabled(), _canUndo);
QCOMPARE(undoTextChangedSpy.size(), 1);
QCOMPARE(undoTextChangedSpy.at(0).at(0).toString(), QString(_undoText));
QCOMPARE(undoAction->text(), glue("foo", _undoText));
canUndoChangedSpy.clear();
undoTextChangedSpy.clear();
} else {
QCOMPARE(canUndoChangedSpy.size(), 0);
QCOMPARE(undoTextChangedSpy.size(), 0);
}
if (_redoChanged) {
QCOMPARE(canRedoChangedSpy.size(), 1);
QCOMPARE(canRedoChangedSpy.at(0).at(0).toBool(), _canRedo);
QCOMPARE(redoAction->isEnabled(), _canRedo);
QCOMPARE(redoTextChangedSpy.size(), 1);
QCOMPARE(redoTextChangedSpy.at(0).at(0).toString(), QString(_redoText));
QCOMPARE(redoAction->text(), glue("bar", _redoText));
canRedoChangedSpy.clear();
redoTextChangedSpy.clear();
} else {
QCOMPARE(canRedoChangedSpy.size(), 0);
QCOMPARE(redoTextChangedSpy.size(), 0);
}
}
void tst_QUndoStack::undoRedo()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
// push, undo, redo
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.undo(); // nothing to undo
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new InsertCommand(&str, 0, "hello"));
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 2, "123"));
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.redo();
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.redo(); // nothing to redo
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.undo();
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo(); // nothing to undo
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
// push after undo - check that undone commands get deleted
stack.redo();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new RemoveCommand(&str, 2, 2));
QCOMPARE(str, QString("heo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count - still 2, last command got deleted
2, // index
true, // canUndo
"remove", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"remove", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 0, "goodbye"));
QCOMPARE(str, QString("goodbye"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count - two commands got deleted
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::setIndex()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
stack.setIndex(10); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.setIndex(0); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.setIndex(-10); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new InsertCommand(&str, 0, "hello"));
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 2, "123"));
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(2);
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.setIndex(0);
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(10); // should set index to 2
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(-10); // should set index to 0
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(1);
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(2);
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::setClean()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
QCOMPARE(stack.cleanIndex(), 0);
stack.setClean();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 0);
stack.push(new InsertCommand(&str, 0, "goodbye"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 0);
stack.setClean();
QCOMPARE(str, QString("goodbye"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.push(new AppendCommand(&str, " cowboy"));
QCOMPARE(str, QString("goodbye cowboy"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.undo(); // reaching clean state from above
QCOMPARE(str, QString("goodbye"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"append", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.undo();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.redo(); // reaching clean state from below
QCOMPARE(str, QString("goodbye"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"append", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.undo();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.push(new InsertCommand(&str, 0, "foo")); // the clean state gets deleted!
QCOMPARE(str, QString("foo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
stack.undo();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
stack.setClean();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 0);
stack.resetClean();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
stack.redo();
QCOMPARE(str, QString("foo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
stack.setClean();
QCOMPARE(str, QString("foo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.undo();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), 1);
stack.resetClean();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
}
void tst_QUndoStack::clear()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
stack.clear();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new InsertCommand(&str, 0, "hello"));
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 2, "123"));
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.clear();
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
str.clear();
stack.push(new InsertCommand(&str, 0, "hello"));
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 2, "123"));
QCOMPARE(str, QString("he123llo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(0);
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.clear();
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::childCommand()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
stack.push(new InsertCommand(&str, 0, "hello"));
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QUndoCommand *cmd = new QUndoCommand();
cmd->setText("ding");
new InsertCommand(&str, 5, "world", cmd);
new RemoveCommand(&str, 4, 1, cmd);
stack.push(cmd);
QCOMPARE(str, QString("hellworld"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"ding", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"ding", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.redo();
QCOMPARE(str, QString("hellworld"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"ding", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::macroBeginEnd()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
stack.beginMacro("ding");
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setClean(); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.undo(); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.redo(); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.setIndex(0); // should do nothing
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.endMacro();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index - endMacro() increments index
true, // canUndo
"ding", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 0, "h"));
QCOMPARE(str, QString("h"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 1, "owdy"));
QCOMPARE(str, QString("howdy"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(2);
QCOMPARE(str, QString("h"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.beginMacro("dong"); // the "owdy" command gets deleted
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 1, "ello"));
QCOMPARE(str, QString("hello"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new RemoveCommand(&str, 1, 2));
QCOMPARE(str, QString("hlo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.beginMacro("dong2");
QCOMPARE(str, QString("hlo"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new RemoveCommand(&str, 1, 1));
QCOMPARE(str, QString("ho"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.endMacro();
QCOMPARE(str, QString("ho"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.endMacro();
QCOMPARE(str, QString("ho"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"dong", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("h"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"dong", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString(""));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
1, // index
true, // canUndo
"ding", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(3);
QCOMPARE(str, QString("ho"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"dong", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setIndex(1);
QCOMPARE(str, QString());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
1, // index
true, // canUndo
"ding", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::compression()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QString str;
AppendCommand::delete_cnt = 0;
stack.push(new InsertCommand(&str, 0, "ene"));
QCOMPARE(str, QString("ene"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, " due")); // #1
QCOMPARE(str, QString("ene due"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, " rike")); // #2 should merge
QCOMPARE(str, QString("ene due rike"));
QCOMPARE(AppendCommand::delete_cnt, 1); // #2 should be deleted
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setClean();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new AppendCommand(&str, " fake")); // #3 should NOT merge, since the stack was clean
QCOMPARE(str, QString("ene due rike fake")); // and we want to be able to return to this state
QCOMPARE(AppendCommand::delete_cnt, 1); // #3 should not be deleted
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("ene due rike"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
3, // count
2, // index
true, // canUndo
"append", // undoText
true, // canRedo
"append", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("ene"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"append", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "ma", true)); // #4 clean state gets deleted!
QCOMPARE(str, QString("enema"));
QCOMPARE(AppendCommand::delete_cnt, 3); // #1 got deleted
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "trix")); // #5 should NOT merge
QCOMPARE(str, QString("enematrix"));
QCOMPARE(AppendCommand::delete_cnt, 3);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("enema"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
true, // canUndo
"append", // undoText
true, // canRedo
"append", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
// and now for command compression inside macros
stack.setClean();
QCOMPARE(str, QString("enema"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
3, // count
2, // index
true, // canUndo
"append", // undoText
true, // canRedo
"append", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.beginMacro("ding");
QCOMPARE(str, QString("enema"));
QCOMPARE(AppendCommand::delete_cnt, 4); // #5 gets deleted
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
true, // undoChanged
true); // redoChanged
AppendCommand *merge_cmd = new AppendCommand(&str, "top");
stack.push(merge_cmd); // #6
QCOMPARE(merge_cmd->merged, false);
QCOMPARE(str, QString("enematop"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new AppendCommand(&str, "eja")); // #7 should merge
QCOMPARE(str, QString("enematopeja"));
QCOMPARE(merge_cmd->merged, true);
QCOMPARE(AppendCommand::delete_cnt, 5); // #7 gets deleted
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
merge_cmd->merged = false;
stack.push(new InsertCommand(&str, 2, "123")); // should not merge
QCOMPARE(str, QString("en123ematopeja"));
QCOMPARE(merge_cmd->merged, false);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.endMacro();
QCOMPARE(str, QString("en123ematopeja"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"ding", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("enema"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
3, // count
2, // index
true, // canUndo
"append", // undoText
true, // canRedo
"ding", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.redo();
QCOMPARE(str, QString("en123ematopeja"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"ding", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::obsolete()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
QPoint mouse(0, 0);
QString str;
MoveMouseCommand *cmd1 = nullptr;
MoveMouseCommand *cmd2 = nullptr;
stack.resetClean();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new MoveMouseCommand(&mouse, mouse, QPoint(0, 0))); // #1 should not merge but will be deleted (b/c oldPoint == newPoint)
QCOMPARE(mouse, QPoint(0, 0));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new MoveMouseCommand(&mouse, mouse, QPoint(12, 0))); // #2 should not merge or be deleted (b/c oldPoint != newPoint)
QCOMPARE(mouse, QPoint(12, 0));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new MoveMouseCommand(&mouse, mouse, QPoint(8, 2))); // #3 should merge and not be deleted (b/c oldPoint != newPoint)
QCOMPARE(mouse, QPoint(8, 2));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new MoveMouseCommand(&mouse, mouse, QPoint(0, 0))); // #4 should merge and be deleted (b/c oldPoint == newPoint)
QCOMPARE(mouse, QPoint(0, 0));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
0, // count
0, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 0, "ene")); // #5 should not merge or be deleted
QCOMPARE(str, QString("ene"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
cmd1 = new MoveMouseCommand(&mouse, mouse, QPoint(6, 5));
stack.push(cmd1); // #6 should not merge or be deleted (b/c oldPoint != newPoint)
QCOMPARE(mouse, QPoint(6, 5));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 3, "ma")); // #7 should not merge or be deleted
QCOMPARE(str, QString("enema"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
cmd2 = new MoveMouseCommand(&mouse, mouse, QPoint(12, 4));
stack.push(cmd2); // #8 should not merge or be deleted (b/c oldPoint != newPoint)
QCOMPARE(mouse, QPoint(12, 4));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
4, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setClean();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
4, // count
4, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 4);
cmd2->setObsolete(true);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
4, // count
4, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.undo();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
stack.undo();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
true, // canUndo
"move mouse", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setClean();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
3, // count
2, // index
true, // canUndo
"move mouse", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 2);
stack.undo();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"move mouse", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
cmd1->setObsolete(true);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"move mouse", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.redo();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"insert", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
stack.redo();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
cmd1 = new MoveMouseCommand(&mouse, mouse, QPoint(13, 2));
stack.push(cmd1); // #9 should not merge or be deleted (b/c oldPoint != newPoint)
QCOMPARE(mouse, QPoint(13, 2));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new InsertCommand(&str, 3, "ma")); // #10 should not merge or be deleted
QCOMPARE(str, QString("enemama"));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
4, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
cmd2 = new MoveMouseCommand(&mouse, mouse, QPoint(6, 20));
stack.push(cmd2); // #11 should not merge or be deleted (b/c oldPoint != newPoint)
QCOMPARE(mouse, QPoint(6, 20));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
5, // count
5, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
cmd1->setObsolete(true);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
5, // count
5, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.setClean();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
5, // count
5, // index
true, // canUndo
"move mouse", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
QCOMPARE(stack.cleanIndex(), 5);
stack.setIndex(0);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
QCOMPARE(stack.cleanIndex(), -1);
cmd2->setObsolete(true);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"insert", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.setIndex(stack.count());
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
3, // index
true, // canUndo
"insert", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
mouse = QPoint(0, 0); // Reset mouse position
stack.beginMacro("ding");
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
3, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new MoveMouseCommand(&mouse, mouse, QPoint(7, 7))); // #12 should not merge or be deleted (b/c oldPoint != newPoint & in macro)
QCOMPARE(mouse, QPoint(7, 7));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
3, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new MoveMouseCommand(&mouse, mouse, QPoint(0, 0))); // #13 should merge and be deleted (b/c oldPoint = newPoint)
QCOMPARE(mouse, QPoint(0, 0));
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
3, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.endMacro();
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
4, // count
4, // index
true, // canUndo
"ding", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::undoLimit()
{
QUndoStack stack;
QScopedPointer<QAction> undoAction(stack.createUndoAction(nullptr, QString("foo")));
QScopedPointer<QAction> redoAction(stack.createRedoAction(nullptr, QString("bar")));
QSignalSpy indexChangedSpy(&stack, &QUndoStack::indexChanged);
QSignalSpy cleanChangedSpy(&stack, &QUndoStack::cleanChanged);
QSignalSpy canUndoChangedSpy(&stack, &QUndoStack::canUndoChanged);
QSignalSpy undoTextChangedSpy(&stack, &QUndoStack::undoTextChanged);
QSignalSpy canRedoChangedSpy(&stack, &QUndoStack::canRedoChanged);
QSignalSpy redoTextChangedSpy(&stack, &QUndoStack::redoTextChanged);
AppendCommand::delete_cnt = 0;
QString str;
QCOMPARE(stack.undoLimit(), 0);
stack.setUndoLimit(2);
QCOMPARE(stack.undoLimit(), 2);
stack.push(new AppendCommand(&str, "1", true));
QCOMPARE(str, QString("1"));
QCOMPARE(AppendCommand::delete_cnt, 0);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "2", true));
QCOMPARE(str, QString("12"));
QCOMPARE(AppendCommand::delete_cnt, 0);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.setClean();
QCOMPARE(str, QString("12"));
QCOMPARE(AppendCommand::delete_cnt, 0);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new AppendCommand(&str, "3", true));
QCOMPARE(str, QString("123"));
QCOMPARE(AppendCommand::delete_cnt, 1);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "4", true));
QCOMPARE(str, QString("1234"));
QCOMPARE(AppendCommand::delete_cnt, 2);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("123"));
QCOMPARE(AppendCommand::delete_cnt, 2);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"append", // undoText
true, // canRedo
"append", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("12"));
QCOMPARE(AppendCommand::delete_cnt, 2);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
true, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"append", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "3", true));
QCOMPARE(str, QString("123"));
QCOMPARE(AppendCommand::delete_cnt, 4);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
true, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "4", true));
QCOMPARE(str, QString("1234"));
QCOMPARE(AppendCommand::delete_cnt, 4);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "5", true));
QCOMPARE(str, QString("12345"));
QCOMPARE(AppendCommand::delete_cnt, 5);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("1234"));
QCOMPARE(AppendCommand::delete_cnt, 5);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"append", // undoText
true, // canRedo
"append", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("123"));
QCOMPARE(AppendCommand::delete_cnt, 5);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"append", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "4", true));
QCOMPARE(str, QString("1234"));
QCOMPARE(AppendCommand::delete_cnt, 7);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
1, // count
1, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "5"));
QCOMPARE(str, QString("12345"));
QCOMPARE(AppendCommand::delete_cnt, 7);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "6", true)); // should be merged
QCOMPARE(str, QString("123456"));
QCOMPARE(AppendCommand::delete_cnt, 8);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"append", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.beginMacro("foo");
QCOMPARE(str, QString("123456"));
QCOMPARE(AppendCommand::delete_cnt, 8);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
true, // undoChanged
true); // redoChanged
stack.push(new AppendCommand(&str, "7", true));
QCOMPARE(str, QString("1234567"));
QCOMPARE(AppendCommand::delete_cnt, 8);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.push(new AppendCommand(&str, "8"));
QCOMPARE(str, QString("12345678"));
QCOMPARE(AppendCommand::delete_cnt, 8);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
3, // count
2, // index
false, // canUndo
"", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
false, // indexChanged
false, // undoChanged
false); // redoChanged
stack.endMacro();
QCOMPARE(str, QString("12345678"));
QCOMPARE(AppendCommand::delete_cnt, 9);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
2, // index
true, // canUndo
"foo", // undoText
false, // canRedo
"", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("123456"));
QCOMPARE(AppendCommand::delete_cnt, 9);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
1, // index
true, // canUndo
"append", // undoText
true, // canRedo
"foo", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
stack.undo();
QCOMPARE(str, QString("1234"));
QCOMPARE(AppendCommand::delete_cnt, 9);
checkState(redoTextChangedSpy,
canRedoChangedSpy,
undoTextChangedSpy,
redoAction,
undoAction,
canUndoChangedSpy,
cleanChangedSpy,
indexChangedSpy,
stack,
false, // clean
2, // count
0, // index
false, // canUndo
"", // undoText
true, // canRedo
"append", // redoText
false, // cleanChanged
true, // indexChanged
true, // undoChanged
true); // redoChanged
}
void tst_QUndoStack::commandTextFormat()
{
#if !QT_CONFIG(process)
QSKIP("No QProcess available");
#else
QString binDir = QLibraryInfo::path(QLibraryInfo::BinariesPath);
if (QProcess::execute(binDir + "/lrelease -version") != 0)
QSKIP("lrelease is missing or broken");
const QString tsFile = QFINDTESTDATA("testdata/qundostack.ts");
QVERIFY(!tsFile.isEmpty());
QFile::remove("qundostack.qm"); // Avoid confusion by strays.
QVERIFY(!QProcess::execute(binDir + "/lrelease -silent " + tsFile + " -qm qundostack.qm"));
QTranslator translator;
QVERIFY(translator.load("qundostack.qm"));
QFile::remove("qundostack.qm");
qApp->installTranslator(&translator);
QUndoStack stack;
QScopedPointer<QAction> undo_action(stack.createUndoAction(nullptr));
QScopedPointer<QAction> redo_action(stack.createRedoAction(nullptr));
QCOMPARE(undo_action->text(), QString("Undo-default-text"));
QCOMPARE(redo_action->text(), QString("Redo-default-text"));
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
}
void tst_QUndoStack::separateUndoText()
{
QUndoStack stack;
QScopedPointer<QAction> undo_action(stack.createUndoAction(nullptr));
QScopedPointer<QAction> redo_action(stack.createRedoAction(nullptr));
QUndoCommand *command1 = new IdleCommand();
QUndoCommand *command2 = new IdleCommand();
stack.push(command1);
stack.push(command2);
stack.undo();
QCOMPARE(undo_action->text(), QString("Undo idle-action"));
QCOMPARE(redo_action->text(), QString("Redo idle-action"));
QCOMPARE(command1->actionText(), QString("idle-action"));
QCOMPARE(command1->text(), QString("idle-item"));
QCOMPARE(stack.text(0), QString("idle-item"));
command1->setText("idle");
QCOMPARE(command1->actionText(), QString("idle"));
QCOMPARE(command1->text(), QString("idle"));
command1->setText("idle-item\nidle-action");
QCOMPARE(command1->actionText(), QString("idle-action"));
QCOMPARE(command1->text(), QString("idle-item"));
}
QTEST_MAIN(tst_QUndoStack)
#include "tst_qundostack.moc"
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