Fix issue with programmatic flicking at bounds

Ensure that the same flick consistently produces the same results,
by making sure we don't use old timestamps from previous flicks.

Task-number: QTBUG-62939
Change-Id: Ie738076abba66d38ff505292925e9441c38a3c95
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
index 2eb87b9431..0d0f234d33 100644
--- a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
+++ b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
@@ -236,6 +236,7 @@ private slots:
     void QTBUG_38209();
     void programmaticFlickAtBounds();
     void programmaticFlickAtBounds2();
+    void programmaticFlickAtBounds3();
 
     void layoutChange();
 
@@ -8069,6 +8070,35 @@ void tst_QQuickListView::programmaticFlickAtBounds2()
     QTRY_COMPARE(listview->contentY(), qreal(100.0));
 }
 
+void tst_QQuickListView::programmaticFlickAtBounds3()
+{
+    QScopedPointer<QQuickView> window(createView());
+    window->setSource(testFileUrl("programmaticFlickAtBounds3.qml"));
+    window->show();
+    QVERIFY(QTest::qWaitForWindowExposed(window.data()));
+
+    QQuickListView *listview = qobject_cast<QQuickListView *>(window->rootObject());
+    QVERIFY(listview);
+
+    // flick down
+    listview->flick(0, 2000);
+
+    // verify scope of the movement
+    QTRY_VERIFY(listview->property("minOvershoot").toReal() < qreal(-50.0));
+
+    // reset, and test a second time
+    listview->cancelFlick();
+    listview->returnToBounds();
+    QTRY_COMPARE(listview->contentY(), qreal(0.0));
+    listview->setProperty("minOvershoot", qreal(0.0));
+
+    // flick down
+    listview->flick(0, 2000);
+
+    // verify scope of the movement is the same
+    QTRY_VERIFY(listview->property("minOvershoot").toReal() < qreal(-50.0));
+}
+
 void tst_QQuickListView::layoutChange()
 {
     RandomSortModel *model = new RandomSortModel;