diff -r 5dc02b23752f -r 3e2da88830cd tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp
--- a/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/tests/auto/qgraphicseffectsource/tst_qgraphicseffectsource.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -161,6 +161,7 @@
     void draw();
     void update();
     void boundingRect();
+    void clippedBoundingRect();
     void deviceRect();
     void pixmap();
 
@@ -282,6 +283,20 @@
     QTRY_COMPARE(effect->source()->boundingRect(), itemBoundingRect);
 }
 
+void tst_QGraphicsEffectSource::clippedBoundingRect()
+{
+    QRectF itemBoundingRect = item->boundingRect();
+    item->setFlag(QGraphicsItem::ItemClipsChildrenToShape);
+
+    QGraphicsRectItem *child = new QGraphicsRectItem(-1000, -1000, 2000, 2000);
+    child->setBrush(Qt::red);
+    child->setParentItem(item);
+
+    effect->storeDeviceDependentStuff = true;
+    effect->source()->update();
+    QTRY_COMPARE(effect->source()->boundingRect(Qt::LogicalCoordinates), itemBoundingRect);
+}
+
 void tst_QGraphicsEffectSource::deviceRect()
 {
     effect->storeDeviceDependentStuff = true;