Bug 305389 EclipsePartService: Add getInputParts(String inputUri): Collection
Add support for the new InputPart-Type with Input-URI
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
testShowPart_Id_Unrendered(PartState.CREATE);
	}
	public void testShowPart_Id_Unrendered_VISIBLE() {
		testShowPart_Id_Unrendered(PartState.VISIBLE);
	}
	public void testShowPart_Id_Unrendered_ACTIVATE() {
		testShowPart_Id_Unrendered(PartState.ACTIVATE);
	}
	private void testShowPart_Id_PartAlreadyShown(PartState partState) {
		MApplication application = createApplication(1, new String[1][0]);
		MWindow window = application.getChildren().get(0);
		MPartDescriptor partDescriptor = MApplicationFactory.eINSTANCE
				.createPartDescriptor();
		partDescriptor.setId("partId");
		application.getDescriptors().add(partDescriptor);
		getEngine().createGui(window);
		EPartService partService = (EPartService) window.getContext().get(
				EPartService.class.getName());
		MPart part = partService.showPart("partId", partState);
		assertNotNull(part);
		assertEquals("partId", part.getId());
		assertEquals(part, partService.getActivePart());
		MPart part2 = partService.showPart("partId", partState);
		assertEquals("Should not have instantiated a new MPart", part, part2);
		assertEquals(part, partService.getActivePart());
	}
	public void testShowPart_Id_PartAlreadyShown_ACTIVATE() {
		testShowPart_Id_PartAlreadyShown(PartState.ACTIVATE);
	}
	public void testShowPart_Id_PartAlreadyShown_CREATE() {