Fix a bug where completed was emitted twice when duration was zero.v5.1.0-alpha1

Change-Id: I72c16f3affb297985e9e5d2e9f524537212d06ad
Reviewed-by: Michael Brasser <michael.brasser@live.com>
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
Reviewed-by: Andreas Aardal Hanssen <andreas@hanssen.name>

2 files changed, 20 insertions, 4 deletions

diff --git a/src/declarative/util/qdeclarativeanimation.cpp b/src/declarative/util/qdeclarativeanimation.cpp
index 83bfa170..a72df77a 100644
--- a/src/declarative/util/qdeclarativeanimation.cpp
+++ b/src/declarative/util/qdeclarativeanimation.cpp
@@ -160,10 +160,6 @@ void QDeclarativeAbstractAnimationPrivate::commence()
     q->transition(actions, properties, QDeclarativeAbstractAnimation::Forward);
 
     q->qtAnimation()->start();
-    if (q->qtAnimation()->state() != QAbstractAnimation::Running) {
-        running = false;
-        emit q->completed();
-    }
 }
 
 QDeclarativeProperty QDeclarativeAbstractAnimationPrivate::createProperty(QObject *obj, const QString &str, QObject *infoObj)
diff --git a/tests/auto/declarative/qdeclarativeanimations/tst_qdeclarativeanimations.cpp b/tests/auto/declarative/qdeclarativeanimations/tst_qdeclarativeanimations.cpp
index 00869268..6352d02b 100644
--- a/tests/auto/declarative/qdeclarativeanimations/tst_qdeclarativeanimations.cpp
+++ b/tests/auto/declarative/qdeclarativeanimations/tst_qdeclarativeanimations.cpp
@@ -47,6 +47,7 @@
 #include <private/qdeclarativeitem_p.h>
 #include <QVariantAnimation>
 #include <QEasingCurve>
+#include <QSignalSpy>
 
 class tst_qdeclarativeanimations : public QObject
 {
@@ -82,6 +83,7 @@ private slots:
     void doubleRegistrationBug();
     void alwaysRunToEndRestartBug();
     void transitionAssignmentBug();
+    void zeroDurationTwoCompletedEmittedBug();
 };
 
 #define QTIMED_COMPARE(lhs, rhs) do { \
@@ -850,6 +852,24 @@ void tst_qdeclarativeanimations::transitionAssignmentBug()
     QCOMPARE(rect->property("nullObject").toBool(), false);
 }
 
+void tst_qdeclarativeanimations::zeroDurationTwoCompletedEmittedBug()
+{
+    QDeclarativeRectangle rect;
+    QDeclarativePropertyAnimation animation;
+    animation.setTarget(&rect);
+    animation.setProperty("x");
+    animation.setFrom(1);
+    animation.setTo(200);
+    animation.setDuration(0);
+    QVERIFY(animation.from() == 1);
+    QSignalSpy spy(&animation, SIGNAL(completed(void)));
+    animation.start();
+    QVERIFY(!animation.isRunning());
+    QCOMPARE(rect.x(), qreal(200));
+    QCOMPARE(spy.size(), 1);
+}
+
+
 QTEST_MAIN(tst_qdeclarativeanimations)
 
 #include "tst_qdeclarativeanimations.moc"