Bug 20595 Preference listeners should use equals, not ==
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/TestRunnerViewPart.java
public RerunAction() {
			setText(JUnitMessages.getString("TestRunnerViewPart.rerunaction.label")); 
			setToolTipText(JUnitMessages.getString("TestRunnerViewPart.rerunaction.tooltip")); 
			setDisabledImageDescriptor(JUnitPlugin.getImageDescriptor("dlcl16/relaunch.gif")); 
			setHoverImageDescriptor(JUnitPlugin.getImageDescriptor("clcl16/relaunch.gif")); 
			setImageDescriptor(JUnitPlugin.getImageDescriptor("elcl16/relaunch.gif")); 
		}
		
		public void run(){
			rerunTestRun();
		}
	}
	
	/**
	 * Listen for for modifications to Java elements
	 */
	private class DirtyListener implements IElementChangedListener {
		public void elementChanged(ElementChangedEvent event) {
			processDelta(event.getDelta());				
		}
		
		private boolean processDelta(IJavaElementDelta delta) {
			int kind= delta.getKind();
			int details= delta.getFlags();
			int type= delta.getElement().getElementType();
			
			switch (type) {