assertTrue(performanceMeter.getInvocationCount() > 0);
	private void measure(int line, int column, char ch) throws Exception {		InvocationCountPerformanceMeter performanceMeter= createInvocationCountPerformanceMeter(new Method[] {				AnnotationPainter.class.getMethod("paintControl", new Class[] { PaintEvent.class }),		});		int offset= EditorTestHelper.getDocument(fEditor).getLineOffset(line) + column;		fEditor.selectAndReveal(offset, 0);		Display display= EditorTestHelper.getActiveDisplay();		EditorTestHelper.runEventQueue(100);		performanceMeter.start();		SWTEventHelper.pressKeyChar(display, ch);		EditorTestHelper.joinBackgroundActivities(fEditor);		EditorTestHelper.runEventQueue(100);		performanceMeter.stop();		performanceMeter.commit();	}