1 files changed, 51 insertions, 0 deletions
diff --git a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp
index ca88afc..920cba7 100644
--- a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp
+++ b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp
@@ -190,6 +190,7 @@ private slots:
     void scrollAfterResize();
     void centerOnDirtyItem();
     void mouseTracking();
+    void mouseTracking2();
 
     // task specific tests below me
     void task172231_untransformableItems();
@@ -203,6 +204,7 @@ private slots:
     void task239729_noViewUpdate();
     void task239047_fitInViewSmallViewport();
     void task245469_itemsAtPointWithClip();
+    void task253415_reconnectUpdateSceneOnSceneChanged();
 };
 
 void tst_QGraphicsView::initTestCase()
@@ -3173,5 +3175,54 @@ void tst_QGraphicsView::mouseTracking()
     }
 }
 
+void tst_QGraphicsView::mouseTracking2()
+{
+    // Make sure mouse move events propagates to the scene when
+    // mouse tracking is explicitly enabled on the view,
+    // even when all items ignore hover events / use default cursor.
+
+    QGraphicsScene scene;
+    scene.addRect(0, 0, 100, 100);
+
+    QGraphicsView view(&scene);
+    view.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&view);
+#endif
+    QTest::qWait(200);
+
+    QVERIFY(!view.viewport()->hasMouseTracking());
+    view.viewport()->setMouseTracking(true); // Explicitly enable mouse tracking.
+    QVERIFY(view.viewport()->hasMouseTracking());
+
+    EventSpy spy(&scene, QEvent::GraphicsSceneMouseMove);
+    QCOMPARE(spy.count(), 0);
+    sendMouseMove(view.viewport(), view.viewport()->rect().center());
+    QCOMPARE(spy.count(), 1);
+}
+
+void tst_QGraphicsView::task253415_reconnectUpdateSceneOnSceneChanged()
+{
+    QGraphicsView view;
+    QGraphicsView dummyView;
+    view.setWindowFlags(view.windowFlags() | Qt::WindowStaysOnTopHint);
+    view.resize(200, 200);
+
+    QGraphicsScene scene1;
+    QObject::connect(&scene1, SIGNAL(changed(QList<QRectF>)), &dummyView, SLOT(updateScene(QList<QRectF>)));
+    view.setScene(&scene1);
+
+    QTest::qWait(125);
+
+    QGraphicsScene scene2;
+    QObject::connect(&scene2, SIGNAL(changed(QList<QRectF>)), &dummyView, SLOT(updateScene(QList<QRectF>)));
+    view.setScene(&scene2);
+
+    QTest::qWait(125);
+
+    bool wasConnected2 = QObject::disconnect(&scene2, SIGNAL(changed(QList<QRectF>)), &view, 0);
+    QVERIFY(wasConnected2);
+}
+
 QTEST_MAIN(tst_QGraphicsView)
 #include "tst_qgraphicsview.moc"