Bug 329310 Part service does not autogenerate stacks if the last container is not one
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
testSavePart(ISaveHandler.Save.CANCEL, true, false, true);
	}
	public void testSavePart_CancelTrueFalseFalse() {
		testSavePart(ISaveHandler.Save.CANCEL, true, false, false);
	}
	public void testSavePart_CancelFalseTrueTrue() {
		testSavePart(ISaveHandler.Save.CANCEL, false, true, true);
	}
	public void testSavePart_CancelFalseTrueFalse() {
		testSavePart(ISaveHandler.Save.CANCEL, false, true, false);
	}
	public void testSavePart_CancelFalseFalseTrue() {
		testSavePart(ISaveHandler.Save.CANCEL, false, false, true);
	}
	public void testSavePart_CancelFalseFalseFalse() {
		testSavePart(ISaveHandler.Save.CANCEL, false, false, false);
	}
	private void testSavePart_NoHandler(boolean beforeDirty,
			boolean throwException, boolean confirm) {
		MApplication application = ApplicationFactoryImpl.eINSTANCE
				.createApplication();
		MWindow window = BasicFactoryImpl.eINSTANCE.createWindow();
		application.getChildren().add(window);
		MPart saveablePart = BasicFactoryImpl.eINSTANCE.createPart();
		saveablePart.setDirty(beforeDirty);
		saveablePart
				.setContributionURI("platform:/plugin/org.eclipse.e4.ui.tests/org.eclipse.e4.ui.tests.application.ClientEditor");
		window.getChildren().add(saveablePart);
		initialize(applicationContext, application);
		getEngine().createGui(window);