Stabilize QGraphicsScene benchmarks.

1 files changed, 13 insertions, 1 deletions

diff --git a/tests/benchmarks/gui/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp b/tests/benchmarks/gui/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp
index 9531619..10d73d5 100644
--- a/tests/benchmarks/gui/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp
+++ b/tests/benchmarks/gui/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp
@@ -75,8 +75,16 @@ tst_QGraphicsScene::~tst_QGraphicsScene()
 {
 }
 
+static inline void processEvents()
+{
+    QApplication::flush();
+    QApplication::processEvents();
+    QApplication::processEvents();
+}
+
 void tst_QGraphicsScene::init()
 {
+    processEvents();
 }
 
 void tst_QGraphicsScene::cleanup()
@@ -148,6 +156,8 @@ void tst_QGraphicsScene::addItem()
     if (!sceneRect.isNull())
         scene.setSceneRect(sceneRect);
 
+    processEvents();
+
     QBENCHMARK {
         QGraphicsItem *item = 0;
         for (int y = 0; y < numItems_Y; ++y) {
@@ -218,9 +228,11 @@ void tst_QGraphicsScene::itemAt()
     }
 
     scene.itemAt(0, 0); // triggers indexing
+    processEvents();
 
+    QGraphicsItem *item = 0;
     QBENCHMARK {
-        scene.itemAt(0, 0);
+        item = scene.itemAt(0, 0);
     }
 
     //let QGraphicsScene::_q_polishItems be called so ~QGraphicsItem doesn't spend all his time cleaning the unpolished list