diff options
| -rw-r--r-- | tests/auto/corelib/kernel/qobject/tst_qobject.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/auto/corelib/kernel/qobject/tst_qobject.cpp b/tests/auto/corelib/kernel/qobject/tst_qobject.cpp index 15353a3764..9628bb3faa 100644 --- a/tests/auto/corelib/kernel/qobject/tst_qobject.cpp +++ b/tests/auto/corelib/kernel/qobject/tst_qobject.cpp @@ -134,6 +134,7 @@ private slots: void returnValue(); void returnValue2_data(); void returnValue2(); + void connectVirtualSlots(); }; class SenderObject : public QObject @@ -5150,6 +5151,52 @@ void tst_QObject::returnValue2() } } +class VirtualSlotsObjectBase : public QObject { + Q_OBJECT +public slots: + virtual void slot1() { + base_counter1++; + } +public: + VirtualSlotsObjectBase() : base_counter1(0) {} + int base_counter1; +signals: + void signal1(); +}; + +class VirtualSlotsObject : public VirtualSlotsObjectBase { + Q_OBJECT +public slots: + virtual void slot1() { + derived_counter1++; + } +public: + VirtualSlotsObject() : derived_counter1(0) {} + int derived_counter1; +}; + +void tst_QObject::connectVirtualSlots() +{ + VirtualSlotsObject obj; + QVERIFY( QObject::connect(&obj, &VirtualSlotsObjectBase::signal1, &obj, &VirtualSlotsObjectBase::slot1, Qt::UniqueConnection)); + QVERIFY(!QObject::connect(&obj, &VirtualSlotsObjectBase::signal1, &obj, &VirtualSlotsObjectBase::slot1, Qt::UniqueConnection)); + + emit obj.signal1(); + QCOMPARE(obj.base_counter1, 0); + QCOMPARE(obj.derived_counter1, 1); + + QVERIFY(QObject::disconnect(&obj, &VirtualSlotsObjectBase::signal1, &obj, &VirtualSlotsObjectBase::slot1)); + QVERIFY(!QObject::disconnect(&obj, &VirtualSlotsObjectBase::signal1, &obj, &VirtualSlotsObjectBase::slot1)); + + emit obj.signal1(); + QCOMPARE(obj.base_counter1, 0); + QCOMPARE(obj.derived_counter1, 1); + + /* the C++ standard say the comparison between pointer to virtual member function is unspecified + QVERIFY( QObject::connect(&obj, &VirtualSlotsObjectBase::signal1, &obj, &VirtualSlotsObjectBase::slot1, Qt::UniqueConnection)); + QVERIFY(!QObject::connect(&obj, &VirtualSlotsObjectBase::signal1, &obj, &VirtualSlotsObject::slot1, Qt::UniqueConnection)); + */ +} QTEST_MAIN(tst_QObject) #include "tst_qobject.moc" |