diff options
Diffstat (limited to 'tests/auto/qml/qqmlbinding/tst_qqmlbinding.cpp')
-rw-r--r-- | tests/auto/qml/qqmlbinding/tst_qqmlbinding.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/auto/qml/qqmlbinding/tst_qqmlbinding.cpp b/tests/auto/qml/qqmlbinding/tst_qqmlbinding.cpp index 3e8dfbdb12..6f1d82eca5 100644 --- a/tests/auto/qml/qqmlbinding/tst_qqmlbinding.cpp +++ b/tests/auto/qml/qqmlbinding/tst_qqmlbinding.cpp @@ -49,6 +49,7 @@ private slots: void warningOnReadOnlyProperty(); void disabledOnUnknownProperty(); void disabledOnReadonlyProperty(); + void delayed(); private: QQmlEngine engine; @@ -281,6 +282,27 @@ void tst_qqmlbinding::disabledOnReadonlyProperty() QCOMPARE(messageHandler.messages().count(), 0); } +void tst_qqmlbinding::delayed() +{ + QQmlEngine engine; + QQmlComponent c(&engine, testFileUrl("delayed.qml")); + QQuickItem *item = qobject_cast<QQuickItem*>(c.create()); + + QVERIFY(item != 0); + // update on creation + QCOMPARE(item->property("changeCount").toInt(), 1); + + QMetaObject::invokeMethod(item, "updateText"); + // doesn't update immediately + QCOMPARE(item->property("changeCount").toInt(), 1); + + QCoreApplication::processEvents(); + // only updates once (non-delayed would update twice) + QCOMPARE(item->property("changeCount").toInt(), 2); + + delete item; +} + QTEST_MAIN(tst_qqmlbinding) #include "tst_qqmlbinding.moc" |