Stabilize flakiness in tst_gestures

This patch replaces the first instance of QCOMPARE with QTRY_COMPARE /
QVERIFY with QTRY_VERIFY after a call to QWidget::grabGesture.
It re-groups verifications so that the verification of the highest
event count is on top.

The test function customGesture is skipped if
QGestureManager::deliverEvents cannot establish a target to deliver
the custom event.

Change-Id: I8188559a40ed5be86f3c6e9c82fa54a97ce5d7d6
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
bb10
Axel Spoerl 2022-11-08 10:56:56 +01:00
parent 25b07371e1
commit 7d54632fdd
1 changed files with 54 additions and 40 deletions

View File

@ -336,8 +336,19 @@ void tst_Gestures::cleanupTestCase()
QGestureRecognizer::unregisterRecognizer(CustomGesture::GestureType);
}
static QtMessageHandler originalMessageHandler = nullptr;
static bool skipCustomGesture = false;
static void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &text)
{
if (type == QtMsgType::QtWarningMsg && text == "QGestureManager::deliverEvent: could not find the target for gesture")
skipCustomGesture = true;
originalMessageHandler(type, context, text);
}
void tst_Gestures::customGesture()
{
originalMessageHandler = qInstallMessageHandler(messageHandler);
auto guard = qScopeGuard([](){ qInstallMessageHandler(originalMessageHandler); });
GestureWidget widget;
widget.grabGesture(CustomGesture::GestureType, Qt::DontStartGestureOnChildren);
widget.show();
@ -347,10 +358,12 @@ void tst_Gestures::customGesture()
event.hotSpot = widget.mapToGlobal(QPoint(5,5));
event.hasHotSpot = true;
sendCustomGesture(&event, &widget);
if (skipCustomGesture)
QSKIP("QApplication unable to access test widget.");
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
QCOMPARE(widget.customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(widget.customEventsReceived, TotalCustomEventsCount);
QCOMPARE(widget.gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(widget.gestureOverrideEventsReceived, 0);
QCOMPARE(widget.events.all.size(), TotalGestureEventsCount);
@ -410,7 +423,7 @@ void tst_Gestures::gestureOverChild()
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(child->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(widget.customEventsReceived, 0);
QCOMPARE(child->gestureEventsReceived, 0);
QCOMPARE(child->gestureOverrideEventsReceived, 0);
@ -425,7 +438,7 @@ void tst_Gestures::gestureOverChild()
sendCustomGesture(&event, child);
QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(child->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(widget.customEventsReceived, 0);
QCOMPARE(child->gestureEventsReceived, 0);
@ -457,7 +470,7 @@ void tst_Gestures::multipleWidgetOnlyGestureInTree()
CustomEvent event;
sendCustomGesture(&event, child);
QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(child->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(parent.customEventsReceived, 0);
QCOMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(child->gestureOverrideEventsReceived, 0);
@ -470,8 +483,8 @@ void tst_Gestures::multipleWidgetOnlyGestureInTree()
// same for the parent widget
sendCustomGesture(&event, &parent);
QCOMPARE(child->customEventsReceived, 0);
QCOMPARE(parent.customEventsReceived, TotalCustomEventsCount);
QCOMPARE(child->customEventsReceived, 0);
QCOMPARE(child->gestureEventsReceived, 0);
QCOMPARE(child->gestureOverrideEventsReceived, 0);
QCOMPARE(parent.gestureEventsReceived, TotalGestureEventsCount);
@ -498,7 +511,7 @@ void tst_Gestures::conflictingGestures()
CustomEvent event;
sendCustomGesture(&event, child);
QCOMPARE(child->gestureOverrideEventsReceived, 1);
QTRY_COMPARE(child->gestureOverrideEventsReceived, 1);
QCOMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(parent.gestureOverrideEventsReceived, 0);
QCOMPARE(parent.gestureEventsReceived, 0);
@ -566,8 +579,8 @@ void tst_Gestures::conflictingGestures()
// sending events to the child and making sure there is no conflict
sendCustomGesture(&event, child);
QTRY_COMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(child->gestureOverrideEventsReceived, 1);
QCOMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(parent.gestureOverrideEventsReceived, 1);
QCOMPARE(parent.gestureEventsReceived, TotalGestureEventsCount);
@ -582,8 +595,8 @@ void tst_Gestures::conflictingGestures()
child->acceptGestureOverride = true;
sendCustomGesture(&event, child);
QTRY_VERIFY(child->gestureEventsReceived > TotalGestureEventsCount);
QCOMPARE(child->gestureOverrideEventsReceived, 1);
QVERIFY(child->gestureEventsReceived > TotalGestureEventsCount);
QCOMPARE(child->events.all.size(), TotalGestureEventsCount + ContinuousGestureEventsCount);
QCOMPARE(parent.gestureOverrideEventsReceived, 0);
QCOMPARE(parent.gestureEventsReceived, 0);
@ -601,7 +614,7 @@ void tst_Gestures::finishedWithoutStarted()
ev.serial = CustomGesture::SerialFinishedThreshold;
QApplication::sendEvent(&widget, &ev);
QCOMPARE(widget.customEventsReceived, 1);
QTRY_COMPARE(widget.customEventsReceived, 1);
QCOMPARE(widget.gestureEventsReceived, 2);
QCOMPARE(widget.gestureOverrideEventsReceived, 0);
QCOMPARE(widget.events.all.size(), 2);
@ -623,7 +636,7 @@ void tst_Gestures::unknownGesture()
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
QCOMPARE(widget.gestureEventsReceived, TotalGestureEventsCount);
QTRY_COMPARE(widget.gestureEventsReceived, TotalGestureEventsCount);
}
static const QColor InstanceColors[] = {
@ -827,7 +840,7 @@ void tst_Gestures::graphicsItemGesture()
QTest::ignoreMessage(QtWarningMsg, "QGestureManager::deliverEvent: could not find the target for gesture");
sendCustomGesture(&event, item, &scene);
QCOMPARE(item->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(item->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(item->gestureEventsReceived, 0);
QCOMPARE(item->gestureOverrideEventsReceived, 0);
@ -888,7 +901,7 @@ void tst_Gestures::graphicsView()
event.hasHotSpot = true;
sendCustomGesture(&event, item, &scene);
QCOMPARE(item->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(item->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(item->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item->gestureOverrideEventsReceived, 0);
@ -923,8 +936,8 @@ void tst_Gestures::graphicsView()
item->grabGesture(CustomGesture::GestureType);
sendCustomGesture(&event, item, &newScene);
QTRY_COMPARE(item->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(item->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item->gestureOverrideEventsReceived, 0);
}
@ -964,12 +977,12 @@ void tst_Gestures::graphicsItemTreeGesture()
item1->ignoredGestures << CustomGesture::GestureType;
sendCustomGesture(&event, item1_child1, &scene);
QTRY_COMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1_child1->gestureEventsReceived, 0);
QCOMPARE(item1_child2->gestureEventsReceived, 0);
QCOMPARE(item1_child2->gestureOverrideEventsReceived, 0);
QCOMPARE(item1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
item1->reset(); item1_child1->reset(); item1_child2->reset();
@ -978,7 +991,7 @@ void tst_Gestures::graphicsItemTreeGesture()
item1->ignoredGestures << CustomGesture::GestureType;
item1_child1->ignoredGestures << CustomGesture::GestureType;
sendCustomGesture(&event, item1_child1, &scene);
QCOMPARE(item1_child1->gestureOverrideEventsReceived, 1);
QTRY_COMPARE(item1_child1->gestureOverrideEventsReceived, 1);
QCOMPARE(item1_child1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1_child2->gestureEventsReceived, 0);
QCOMPARE(item1_child2->gestureOverrideEventsReceived, 0);
@ -1025,9 +1038,9 @@ void tst_Gestures::explicitGraphicsObjectTarget()
sendCustomGesture(&event, item1, &scene);
QCOMPARE(item1->gestureEventsReceived, 0);
QTRY_COMPARE(item2_child1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
QCOMPARE(item2_child1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1->gestureEventsReceived, 0);
QCOMPARE(item2_child1->gestureOverrideEventsReceived, 1);
QCOMPARE(item2_child1->events.all.size(), TotalGestureEventsCount);
for(int i = 0; i < item2_child1->events.all.size(); ++i)
@ -1068,7 +1081,7 @@ void tst_Gestures::gestureOverChildGraphicsItem()
item2_child1->setPos(0, 0);
view.show();
QVERIFY(QTest::qWaitForWindowExposed(&view));
QTRY_VERIFY(QTest::qWaitForWindowExposed(&view));
view.ensureVisible(scene.sceneRect());
item1->grabGesture(CustomGesture::GestureType);
@ -1081,7 +1094,7 @@ void tst_Gestures::gestureOverChildGraphicsItem()
event.hasHotSpot = true;
sendCustomGesture(&event, item0, &scene);
QCOMPARE(item0->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(item0->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(item2_child1->gestureEventsReceived, 0);
QCOMPARE(item2_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item2->gestureEventsReceived, 0);
@ -1097,11 +1110,11 @@ void tst_Gestures::gestureOverChildGraphicsItem()
event.hasHotSpot = true;
sendCustomGesture(&event, item0, &scene);
QCOMPARE(item2_child1->gestureEventsReceived, 0);
QCOMPARE(item2_child1->gestureOverrideEventsReceived, 0);
QTRY_COMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureEventsReceived, 1);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2_child1->gestureEventsReceived, 0);
QCOMPARE(item2_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
item0->reset(); item1->reset(); item2->reset(); item2_child1->reset();
@ -1113,9 +1126,9 @@ void tst_Gestures::gestureOverChildGraphicsItem()
event.hasHotSpot = true;
sendCustomGesture(&event, item0, &scene);
QTRY_COMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2_child1->gestureEventsReceived, 0);
QCOMPARE(item2_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureEventsReceived, 1);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
@ -1130,9 +1143,9 @@ void tst_Gestures::gestureOverChildGraphicsItem()
event.hasHotSpot = true;
sendCustomGesture(&event, item0, &scene);
QTRY_COMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2_child1->gestureEventsReceived, 0);
QCOMPARE(item2_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
@ -1160,16 +1173,16 @@ void tst_Gestures::twoGesturesOnDifferentLevel()
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
QTRY_COMPARE(child->customEventsReceived, TotalCustomEventsCount);
QCOMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(child->gestureOverrideEventsReceived, 0);
QCOMPARE(child->events.all.size(), TotalGestureEventsCount);
for(int i = 0; i < child->events.all.size(); ++i)
QCOMPARE(child->events.all.at(i), SecondGesture);
QCOMPARE(parent.events.all.size(), TotalGestureEventsCount);
QCOMPARE(parent.gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(parent.gestureOverrideEventsReceived, 0);
QCOMPARE(parent.events.all.size(), TotalGestureEventsCount);
for(int i = 0; i < child->events.all.size(); ++i)
QCOMPARE(parent.events.all.at(i), CustomGesture::GestureType);
@ -1211,7 +1224,7 @@ void tst_Gestures::multipleGesturesInTree()
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
// gesture override events
QCOMPARE(D->overrideEvents.all.count(FirstGesture), 1);
QTRY_COMPARE(D->overrideEvents.all.count(FirstGesture), 1);
QCOMPARE(D->overrideEvents.all.count(SecondGesture), 0);
QCOMPARE(D->overrideEvents.all.count(ThirdGesture), 1);
@ -1292,7 +1305,7 @@ void tst_Gestures::multipleGesturesInComplexTree()
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
// gesture override events
QCOMPARE(D->overrideEvents.all.count(FirstGesture), 1);
QTRY_COMPARE(D->overrideEvents.all.count(FirstGesture), 1);
QCOMPARE(D->overrideEvents.all.count(SecondGesture), 0);
QCOMPARE(D->overrideEvents.all.count(ThirdGesture), 1);
@ -1409,7 +1422,7 @@ void tst_Gestures::ungrabGesture() // a method on QWidget
// sending an event will cause the QGesture objects to be instantiated for the widgets
sendCustomGesture(&event, b);
QCOMPARE(a->gestures.size(), 1);
QTRY_COMPARE(a->gestures.size(), 1);
QPointer<QGesture> customGestureA;
customGestureA = *(a->gestures.begin());
QVERIFY(!customGestureA.isNull());
@ -1426,7 +1439,7 @@ void tst_Gestures::ungrabGesture() // a method on QWidget
// sending an event will cause the QGesture objects to be instantiated for the widget
sendCustomGesture(&event, a);
QCOMPARE(a->gestures.size(), 1);
QTRY_COMPARE(a->gestures.size(), 1);
customGestureA = *(a->gestures.begin());
QVERIFY(!customGestureA.isNull());
QCOMPARE(customGestureA->gestureType(), CustomGesture::GestureType);
@ -1434,7 +1447,7 @@ void tst_Gestures::ungrabGesture() // a method on QWidget
a->ungrabGesture(CustomGesture::GestureType);
//We changed the deletion of Gestures to lazy during QT-4022, so we can't ensure the QGesture is deleted until now
QVERIFY(!customGestureB.isNull());
QTRY_VERIFY(!customGestureB.isNull());
a->gestures.clear();
a->reset();
@ -1624,7 +1637,7 @@ void tst_Gestures::graphicsViewParentPropagation()
event.hasHotSpot = true;
sendCustomGesture(&event, item0, &scene);
QCOMPARE(item1_c1_c1->gestureEventsReceived, TotalGestureEventsCount);
QTRY_COMPARE(item1_c1_c1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1_c1_c1->gestureOverrideEventsReceived, 1);
QCOMPARE(item1_c1->gestureEventsReceived, TotalGestureEventsCount-1);
QCOMPARE(item1_c1->gestureOverrideEventsReceived, 1);
@ -1697,11 +1710,11 @@ void tst_Gestures::panelPropagation()
event.hasHotSpot = true;
sendCustomGesture(&event, item1, &scene);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1_child1_child1->gestureEventsReceived, 0);
QCOMPARE(item1_child1_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1_child1->gestureEventsReceived, 0);
QCOMPARE(item1_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
QCOMPARE(item0->gestureEventsReceived, 0);
QCOMPARE(item0->gestureOverrideEventsReceived, 1);
@ -1751,7 +1764,7 @@ void tst_Gestures::panelPropagation()
QCOMPARE(item1_child1_child1->gestureEventsReceived, 0);
QCOMPARE(item1_child1_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1_child1->gestureEventsReceived, TotalGestureEventsCount);
QTRY_COMPARE(item1_child1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1_child1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1->gestureEventsReceived, 0);
QCOMPARE(item1->gestureOverrideEventsReceived, 0);
@ -1944,7 +1957,7 @@ void tst_Gestures::viewportCoordinates()
event.hotSpot = mapToGlobal(item1->boundingRect().center(), item1, &view);
event.hasHotSpot = true;
sendCustomGesture(&event, item1, &scene);
QVERIFY(item1->gestureEventsReceived != 0);
QTRY_VERIFY(item1->gestureEventsReceived != 0);
}
void tst_Gestures::partialGesturePropagation()
@ -1987,13 +2000,14 @@ void tst_Gestures::partialGesturePropagation()
static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureEventsReceived, TotalGestureEventsCount-2); // except for started and finished
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item3->gestureOverrideEventsReceived, 1);
QCOMPARE(item4->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureEventsReceived, TotalGestureEventsCount-2); // except for started and finished
QCOMPARE(item3->gestureEventsReceived, 0);
QCOMPARE(item4->gestureEventsReceived, 0);
}
@ -2268,8 +2282,8 @@ void tst_Gestures::conflictingGesturesInGraphicsView()
event.hotSpot = mapToGlobal(item2->boundingRect().center(), item2, &view);
event.hasHotSpot = true;
sendCustomGesture(&event, item2, &scene);
QTRY_COMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureEventsReceived, 0);
@ -2281,8 +2295,8 @@ void tst_Gestures::conflictingGesturesInGraphicsView()
event.hotSpot = mapToGlobal(item2->boundingRect().center(), item2, &view);
event.hasHotSpot = true;
sendCustomGesture(&event, item2, &scene);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item2->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureOverrideEventsReceived, 0);
QCOMPARE(item1->gestureEventsReceived, 0);
@ -2294,11 +2308,11 @@ void tst_Gestures::conflictingGesturesInGraphicsView()
event.hotSpot = mapToGlobal(item2->boundingRect().center(), item2, &view);
event.hasHotSpot = true;
sendCustomGesture(&event, item2, &scene);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
QCOMPARE(item2->gestureOverrideEventsReceived, 1);
QCOMPARE(item2->gestureEventsReceived, 0);
QCOMPARE(item1->gestureOverrideEventsReceived, 1);
QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount);
}
class NoConsumeWidgetBug13501 :public QWidget