Port QPauseAnimation to the new property system

Task-number: QTBUG-85520
Change-Id: I8c0ee86598f4c0f093f64b2891ee835a43964b84
Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

1 files changed, 41 insertions, 0 deletions

diff --git a/tests/auto/corelib/animation/qpauseanimation/tst_qpauseanimation.cpp b/tests/auto/corelib/animation/qpauseanimation/tst_qpauseanimation.cpp
index a10930b517..0688eafda8 100644
--- a/tests/auto/corelib/animation/qpauseanimation/tst_qpauseanimation.cpp
+++ b/tests/auto/corelib/animation/qpauseanimation/tst_qpauseanimation.cpp
@@ -105,6 +105,7 @@ private slots:
     void sequentialGroupWithPause();
     void multipleSequentialGroups();
     void zeroDuration();
+    void bindings();
 };
 
 void tst_QPauseAnimation::initTestCase()
@@ -442,5 +443,45 @@ void tst_QPauseAnimation::zeroDuration()
     QCOMPARE(animation.m_updateCurrentTimeCount, 1);
 }
 
+void tst_QPauseAnimation::bindings()
+{
+    TestablePauseAnimation animation;
+
+    QProperty<int> duration;
+    animation.bindableDuration().setBinding(Qt::makePropertyBinding(duration));
+
+    duration = 42;
+    QCOMPARE(animation.duration(), 42);
+
+    // negative values must be ignored
+    QTest::ignoreMessage(QtWarningMsg,
+                         "QPauseAnimation::setDuration: cannot set a negative duration");
+    duration = -1;
+    QCOMPARE(animation.duration(), 42);
+    QCOMPARE(duration, -1);
+
+    // Setting an invalid value shouldn't clear the binding
+    QTest::ignoreMessage(QtWarningMsg,
+                         "QPauseAnimation::setDuration: cannot set a negative duration");
+    animation.setDuration(-1);
+    QVERIFY(animation.bindableDuration().hasBinding());
+    QCOMPARE(animation.duration(), 42);
+
+    QProperty<int> durationObserver;
+    durationObserver.setBinding(animation.bindableDuration().makeBinding());
+
+    animation.setDuration(46);
+    QCOMPARE(durationObserver, 46);
+
+    // Setting a valid value should clear the binding
+    QVERIFY(!animation.bindableDuration().hasBinding());
+
+    // Setting an invalid value also doesn't affect the observer
+    QTest::ignoreMessage(QtWarningMsg,
+                         "QPauseAnimation::setDuration: cannot set a negative duration");
+    animation.setDuration(-1);
+    QCOMPARE(durationObserver, 46);
+}
+
 QTEST_MAIN(tst_QPauseAnimation)
 #include "tst_qpauseanimation.moc"