Bug 343003 Selection changes for shared parts may not be propagated if they were not originally rendered in the model
The search algorithm currently only iterates through containers for parts. This will not work for parts that are represented by placeholders.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/ESelectionServiceTest.java
}
	public void testSelectionListener_Id3() {
		MApplication application = ApplicationFactoryImpl.eINSTANCE
				.createApplication();
		MWindow window = BasicFactoryImpl.eINSTANCE.createWindow();
		application.getChildren().add(window);
		application.setSelectedElement(window);
		MPart partA = BasicFactoryImpl.eINSTANCE.createPart();
		partA.setElementId("partA"); 
		window.getChildren().add(partA);
		window.setSelectedElement(partA);
		MPartStack partStack = BasicFactoryImpl.eINSTANCE.createPartStack();
		MPart partB = BasicFactoryImpl.eINSTANCE.createPart();
		partB.setElementId("partB"); 
		partStack.getChildren().add(partB);
		MPart partC = BasicFactoryImpl.eINSTANCE.createPart();
		partC.setElementId("partC"); 
		partStack.getChildren().add(partC);
		partStack.setSelectedElement(partB);
		window.getChildren().add(partStack);
		initialize(applicationContext, application);
		getEngine().createGui(window);
		IEclipseContext windowContext = window.getContext();
		ESelectionService windowService = (ESelectionService) windowContext
				.get(ESelectionService.class.getName());
		EPartService partService = (EPartService) windowContext
				.get(EPartService.class.getName());
		Object selection = new Object();
		SelectionListener listener = new SelectionListener();
		windowService.addSelectionListener("partC", listener);