diff options
Diffstat (limited to 'tests/auto/corelib/kernel/qobject/tst_qobject.cpp')
-rw-r--r-- | tests/auto/corelib/kernel/qobject/tst_qobject.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tests/auto/corelib/kernel/qobject/tst_qobject.cpp b/tests/auto/corelib/kernel/qobject/tst_qobject.cpp index d639cdec26..f7e9ff375d 100644 --- a/tests/auto/corelib/kernel/qobject/tst_qobject.cpp +++ b/tests/auto/corelib/kernel/qobject/tst_qobject.cpp @@ -169,6 +169,7 @@ private slots: void disconnectDisconnects(); void singleShotConnection(); void objectNameBinding(); + void declarativeData(); }; struct QObjectCreatedOnShutdown @@ -8160,5 +8161,81 @@ signals: void aSignal5(const std::unique_ptr<const QObject> &); }; +#ifdef QT_BUILD_INTERNAL +/* + Since QObjectPrivate stores the declarativeData pointer in a union with the pointer + to the currently destroyed child, calls to the QtDeclarative handlers need to be + correctly guarded. QTBUG-105286 +*/ +namespace QtDeclarative { +static QAbstractDeclarativeData *theData; + +static void destroyed(QAbstractDeclarativeData *data, QObject *) +{ + QCOMPARE(data, theData); +} +static void signalEmitted(QAbstractDeclarativeData *data, QObject *, int, void **) +{ + QCOMPARE(data, theData); +} +// we can't use QCOMPARE in the next two functions, as they don't return void +static int receivers(QAbstractDeclarativeData *data, const QObject *, int) +{ + QTest::qCompare(data, theData, "data", "theData", __FILE__, __LINE__); + return 0; +} +static bool isSignalConnected(QAbstractDeclarativeData *data, const QObject *, int) +{ + QTest::qCompare(data, theData, "data", "theData", __FILE__, __LINE__); + return true; +} + +class Object : public QObject +{ + Q_OBJECT +public: + using QObject::QObject; + ~Object() + { + if (Object *p = static_cast<Object *>(parent())) + p->emitSignal(); + } + + void emitSignal() + { + emit theSignal(); + } + +signals: + void theSignal(); +}; + +} +#endif + +void tst_QObject::declarativeData() +{ +#ifdef QT_BUILD_INTERNAL + QScopedValueRollback destroyed(QAbstractDeclarativeData::destroyed, + QtDeclarative::destroyed); + QScopedValueRollback signalEmitted(QAbstractDeclarativeData::signalEmitted, + QtDeclarative::signalEmitted); + QScopedValueRollback receivers(QAbstractDeclarativeData::receivers, + QtDeclarative::receivers); + QScopedValueRollback isSignalConnected(QAbstractDeclarativeData::isSignalConnected, + QtDeclarative::isSignalConnected); + + QtDeclarative::Object p; + QObjectPrivate *priv = QObjectPrivate::get(&p); + priv->declarativeData = QtDeclarative::theData = new QAbstractDeclarativeData; + + connect(&p, &QtDeclarative::Object::theSignal, &p, []{ + }); + + QtDeclarative::Object *child = new QtDeclarative::Object; + child->setParent(&p); +#endif +} + QTEST_MAIN(tst_QObject) #include "tst_qobject.moc" |