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-rw-r--r--tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
index 583a959..77b7948 100644
--- a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
+++ b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
@@ -214,6 +214,7 @@ private slots:
void tabChangesFocus();
void tabChangesFocus_data();
void cacheMode();
+ void updateCachedItemAfterMove();
// task specific tests below me
void task141694_textItemEnsureVisible();
@@ -6073,5 +6074,46 @@ void tst_QGraphicsItem::cacheMode()
QCOMPARE(testerChild2->repaints, 6);
}
+void tst_QGraphicsItem::updateCachedItemAfterMove()
+{
+ // A simple item that uses ItemCoordinateCache
+ EventTester *tester = new EventTester;
+ tester->setCacheMode(QGraphicsItem::ItemCoordinateCache);
+
+ // Add to a scene, show in a view, ensure it's painted and reset its
+ // repaint counter.
+ QGraphicsScene scene;
+ scene.addItem(tester);
+ QGraphicsView view(&scene);
+ view.show();
+#ifdef Q_WS_X11
+ qt_x11_wait_for_window_manager(&view);
+#endif
+ QTest::qWait(125);
+ tester->repaints = 0;
+
+ // Move the item, should not cause repaints
+ tester->setPos(10, 0);
+ QTest::qWait(125);
+ QCOMPARE(tester->repaints, 0);
+
+ // Move then update, should cause one repaint
+ tester->setPos(20, 0);
+ tester->update();
+ QTest::qWait(125);
+ QCOMPARE(tester->repaints, 1);
+
+ // Hiding the item doesn't cause a repaint
+ tester->hide();
+ QTest::qWait(125);
+ QCOMPARE(tester->repaints, 1);
+
+ // Moving a hidden item doesn't cause a repaint
+ tester->setPos(30, 0);
+ tester->update();
+ QTest::qWait(125);
+ QCOMPARE(tester->repaints, 1);
+}
+
QTEST_MAIN(tst_QGraphicsItem)
#include "tst_qgraphicsitem.moc"