diff -r b72c6db6890b -r 5dc02b23752f tests/benchmarks/gui/painting/qregion/main.cpp
--- a/tests/benchmarks/gui/painting/qregion/main.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/tests/benchmarks/gui/painting/qregion/main.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -49,6 +49,9 @@
 private slots:
     void map_data();
     void map();
+
+    void intersects_data();
+    void intersects();
 };
 
 
@@ -84,6 +87,53 @@
     }
 }
 
+void tst_qregion::intersects_data()
+{
+    QTest::addColumn<QRegion>("region");
+    QTest::addColumn<QRect>("rect");
+
+    QRegion region(0, 0, 100, 100);
+    QRegion complexRegion;
+    complexRegion = complexRegion.united(QRect(0, 0, 100, 100));
+    complexRegion = complexRegion.united(QRect(120, 20, 100, 100));
+
+    {
+        QRect rect(0, 0, 100, 100);
+        QTest::newRow("same -- simple") << region << rect;
+    }
+    {
+        QRect rect(10, 10, 10, 10);
+        QTest::newRow("inside -- simple") << region << rect;
+    }
+    {
+        QRect rect(110, 110, 10, 10);
+        QTest::newRow("outside -- simple") << region << rect;
+    }
+
+    {
+        QRect rect(0, 0, 100, 100);
+        QTest::newRow("same -- complex") << complexRegion << rect;
+    }
+    {
+        QRect rect(10, 10, 10, 10);
+        QTest::newRow("inside -- complex") << complexRegion << rect;
+    }
+    {
+        QRect rect(110, 110, 10, 10);
+        QTest::newRow("outside -- complex") << complexRegion << rect;
+    }
+}
+
+void tst_qregion::intersects()
+{
+    QFETCH(QRegion, region);
+    QFETCH(QRect, rect);
+
+    QBENCHMARK {
+        region.intersects(rect);
+    }
+}
+
 QTEST_MAIN(tst_qregion)
 
 #include "main.moc"