C++ (Cpp) QUndoGroup::stacks Exemples

Exemple #1

void tst_QUndoGroup::deleteStack()
{
    QUndoGroup group;

    QUndoStack *stack1 = new QUndoStack(&group);
    QCOMPARE(group.stacks(), QList<QUndoStack*>() << stack1);
    QCOMPARE(group.activeStack(), (QUndoStack*)0);

    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(), (QUndoStack*)0);

    stack3->setActive(false);
    QCOMPARE(group.activeStack(), (QUndoStack*)0);

    stack3->setActive(true);
    QCOMPARE(group.activeStack(), stack3);

    group.removeStack(stack3);
    QCOMPARE(group.stacks(), QList<QUndoStack*>());
    QCOMPARE(group.activeStack(), (QUndoStack*)0);

    delete stack3;
}

Exemple #2

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*>());
}