tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRendererTest.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2013, 2020 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Rolf Theunissen <rolf.theunissen@gmail.com> - Bug 546632, 564561
  ******************************************************************************/

 package org.eclipse.e4.ui.workbench.renderers.swt;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;

 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import javax.inject.Inject;
 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.ui.internal.workbench.swt.CSSConstants;
 import org.eclipse.e4.ui.model.application.MApplication;
 import org.eclipse.e4.ui.model.application.descriptor.basic.MPartDescriptor;
 import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
 import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
 import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
 import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
 import org.eclipse.e4.ui.services.IStylingEngine;
 import org.eclipse.e4.ui.services.internal.events.EventBroker;
 import org.eclipse.e4.ui.tests.rules.WorkbenchContextRule;
 import org.eclipse.e4.ui.workbench.UIEvents;
 import org.eclipse.e4.ui.workbench.modeling.EModelService;
 import org.eclipse.swt.custom.CTabFolder;
 import org.eclipse.swt.custom.CTabItem;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Widget;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;

 public class StackRendererTest {

 	private static final String PART_DESC_ICON = "platform:/plugin/org.eclipse.e4.ui.tests/icons/pinned_ovr.png";
 	private static final String PART_ICON = "platform:/plugin/org.eclipse.e4.ui.tests/icons/filenav_nav.png";

 	@Rule
 	public WorkbenchContextRule contextRule = new WorkbenchContextRule();

 	@Inject
 	private IEclipseContext context;

 	@Inject
 	private EModelService ems;

 	@Inject
 	private MApplication application;

 	private MWindow window;
 	private MPartStack partStack;

 	@Before
 	public void setUp() throws Exception {
 		window = ems.createModelElement(MWindow.class);
 		application.getChildren().add(window);
 		application.setSelectedElement(window);

 		partStack = ems.createModelElement(MPartStack.class);
 		window.getChildren().add(partStack);
 	}

 	@Test
 	public void testTabStateHandlerWhenOneOfSupportedTagChangeEvents() throws Exception {
 		MPart part = ems.createModelElement(MPart.class);
 		partStack.getChildren().add(part);
 		part.setLabel("some title");

 		CTabItemStylingMethodsListener executedMethodsListener = new CTabItemStylingMethodsListener(part);

 		context.set(IStylingEngine.class, (IStylingEngine) Proxy.newProxyInstance(getClass().getClassLoader(),
 				new Class<?>[] { IStylingEngine.class }, executedMethodsListener));

 		contextRule.createAndRunWorkbench(window);

 		// given
 		HashMap<String, Object> params = new HashMap<>();
 		params.put(UIEvents.EventTags.ELEMENT, part);
 		params.put(UIEvents.EventTags.NEW_VALUE, CSSConstants.CSS_BUSY_CLASS);
 		params.put(UIEvents.EventTags.OLD_VALUE, null);

 		// when
 		context.get(EventBroker.class).send(
 				UIEvents.ApplicationElement.TOPIC_TAGS.replace(UIEvents.ALL_SUB_TOPICS, UIEvents.EventTypes.SET),
 				params);

 		// then
 		assertEquals(1, executedMethodsListener.getMethodExecutionCount("setClassnameAndId(.+)"));
 	}

 	@Test
 	public void testTabStateHandlerWhenSelectionChangedEvent() throws Exception {
 		MPart part = ems.createModelElement(MPart.class);
 		partStack.getChildren().add(part);
 		part.setLabel("some title");

 		CTabItemStylingMethodsListener executedMethodsListener = new CTabItemStylingMethodsListener(part);

 		context.set(IStylingEngine.class, (IStylingEngine) Proxy.newProxyInstance(getClass().getClassLoader(),
 				new Class<?>[] { IStylingEngine.class }, executedMethodsListener));

 		contextRule.createAndRunWorkbench(window);

 		// given
 		MPlaceholder placeHolder = ems.createModelElement(MPlaceholder.class);
 		placeHolder.setRef(part);

 		HashMap<String, Object> params = new HashMap<>();
 		params.put(UIEvents.EventTags.ELEMENT, partStack);
 		params.put(UIEvents.EventTags.NEW_VALUE, placeHolder);
 		params.put(UIEvents.EventTags.OLD_VALUE, null);

 		// when
 		context.get(EventBroker.class).send(UIEvents.ElementContainer.TOPIC_SELECTEDELEMENT
 				.replace(UIEvents.ALL_SUB_TOPICS, UIEvents.EventTypes.SET), params);

 		// then
 		assertEquals(1, executedMethodsListener.getMethodExecutionCount("setClassnameAndId(.+)"));
 	}

 	private static class CTabItemStylingMethodsListener implements InvocationHandler {
 		private MPart part;
 		private List<String> methods;

 		public CTabItemStylingMethodsListener(MPart part) {
 			this.part = part;
 			methods = new ArrayList<>();
 		}

 		@Override
 		public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
 			if (isTabItemForPart(args[0])) {
 				methods.add(String.format("%s(%s)", method.getName(), Arrays.toString(args)));
 			}
 			return null;
 		}

 		private boolean isTabItemForPart(Object obj) {
 			return obj instanceof CTabItem && part.getLabel().equals(((CTabItem) obj).getText());
 		}

 		public int getMethodExecutionCount(String methodPattern) {
 			int result = 0;
 			for (String method : methods) {
 				if (method.matches(methodPattern)) {
 					result++;
 				}
 			}
 			return result;
 		}
 	}

 	@Test
 	public void testBug475357_IconChanges() throws Exception {
 		MPartDescriptor partDescriptor = ems.createModelElement(MPartDescriptor.class);
 		partDescriptor.setElementId("myelementid");
 		partDescriptor.setLabel("some title");
 		partDescriptor.setIconURI(PART_DESC_ICON);
 		application.getDescriptors().add(partDescriptor);

 		MPart part1 = ems.createPart(partDescriptor);
 		MPart part2 = ems.createPart(partDescriptor);

 		partStack.getChildren().add(part1);
 		partStack.getChildren().add(part2);

 		contextRule.createAndRunWorkbench(window);

 		part1.setIconURI(PART_DESC_ICON);
 		CTabItem item = ((CTabFolder) partStack.getWidget()).getItem(0);
 		Image image = item.getImage();

 		part1.setIconURI(PART_ICON);
 		assertNotEquals(item.getImage(), image);
 	}

 	@Test
 	public void testBug475357_PartIconOverridesDescriptor() throws Exception {
 		MPartDescriptor partDescriptor = ems.createModelElement(MPartDescriptor.class);
 		partDescriptor.setElementId("myelementid");
 		partDescriptor.setLabel("some title");
 		partDescriptor.setIconURI(PART_DESC_ICON);
 		application.getDescriptors().add(partDescriptor);

 		MPart part1 = ems.createPart(partDescriptor);
 		MPart part2 = ems.createPart(partDescriptor);

 		partStack.getChildren().add(part1);
 		partStack.getChildren().add(part2);

 		contextRule.createAndRunWorkbench(window);

 		// check that Renderer uses Part's icon over PartDescriptor's icon
 		CTabItem item = ((CTabFolder) partStack.getWidget()).getItem(1);
 		Image descImage = item.getImage();

 		part2.setIconURI(PART_ICON);
 		Image partIcon = item.getImage();
 		assertNotEquals(partIcon, descImage);

 		part2.setIconURI(null);
 		Image ovrwriteIcon = item.getImage();
 		assertNotEquals(ovrwriteIcon, partIcon);
 		assertEquals(ovrwriteIcon, descImage);
 	}

 	@Test
 	public void testBug564561_ToolbarVisible_initial() {
 		MPart part1 = ems.createModelElement(MPart.class);
 		MPart part2 = ems.createModelElement(MPart.class);

 		partStack.getChildren().add(part1);
 		partStack.getChildren().add(part2);
 		partStack.setSelectedElement(part1);

 		MToolBar toolbar1 = ems.createModelElement(MToolBar.class);
 		toolbar1.setVisible(false);
 		part1.setToolbar(toolbar1);

 		MToolBar toolbar2 = ems.createModelElement(MToolBar.class);
 		toolbar2.setVisible(true);
 		part2.setToolbar(toolbar2);

 		contextRule.createAndRunWorkbench(window);

 		assertTrue(toolbar1.isVisible());
 		assertFalse(toolbar2.isVisible());

 		partStack.setSelectedElement(part2);

 		assertFalse(toolbar1.isVisible());
 		assertTrue(toolbar2.isVisible());
 	}

 	@Test
 	public void testBug564561_ToolbarVisible_added1() {
 		MPart part1 = ems.createModelElement(MPart.class);

 		partStack.getChildren().add(part1);
 		partStack.setSelectedElement(part1);

 		contextRule.createAndRunWorkbench(window);

 		MPart part2 = ems.createModelElement(MPart.class);
 		MToolBar toolbar2 = ems.createModelElement(MToolBar.class);
 		toolbar2.setVisible(true);
 		part2.setToolbar(toolbar2);

 		partStack.getChildren().add(part2);

 		assertFalse(toolbar2.isVisible());
 	}

 	@Test
 	public void testBug564561_ToolbarVisible_added2() {
 		MPart part1 = ems.createModelElement(MPart.class);
 		MPart part2 = ems.createModelElement(MPart.class);

 		partStack.getChildren().add(part1);
 		partStack.getChildren().add(part2);
 		partStack.setSelectedElement(part1);

 		contextRule.createAndRunWorkbench(window);

 		MToolBar toolbar1 = ems.createModelElement(MToolBar.class);
 		toolbar1.setVisible(false);
 		part1.setToolbar(toolbar1);

 		MToolBar toolbar2 = ems.createModelElement(MToolBar.class);
 		toolbar2.setVisible(true);
 		part2.setToolbar(toolbar2);

 		assertTrue(toolbar1.isVisible());
 		assertFalse(toolbar2.isVisible());
 	}

 	@Test
 	public void testBug572598_SharedPartAndToolbarNotDisposed() {
 		MPart part = ems.createModelElement(MPart.class);
 		window.getSharedElements().add(part);

 		MToolBar toolbar = ems.createModelElement(MToolBar.class);
 		part.setToolbar(toolbar);

 		MPlaceholder ph1 = ems.createModelElement(MPlaceholder.class);
 		ph1.setRef(part);
 		partStack.getChildren().add(ph1);
 		partStack.setSelectedElement(ph1);

 		MPartStack partStack2 = ems.createModelElement(MPartStack.class);
 		window.getChildren().add(partStack2);
 		window.setSelectedElement(partStack2);

 		MPlaceholder ph2 = ems.createModelElement(MPlaceholder.class);
 		ph2.setRef(part);
 		partStack2.getChildren().add(ph2);
 		partStack2.setSelectedElement(ph2);

 		contextRule.createAndRunWorkbench(window);

 		assertNotNull(part.getWidget());
 		assertFalse(((Widget) part.getWidget()).isDisposed());
 		assertNotNull(toolbar.getWidget());
 		assertFalse(((Widget) toolbar.getWidget()).isDisposed());

 		// Destroy the second partstack; This should not dispose the shared elements
 		partStack2.setToBeRendered(false);

 		assertNotNull(part.getWidget());
 		assertFalse(((Widget) part.getWidget()).isDisposed());
 		assertNotNull(toolbar.getWidget());
 		assertFalse(((Widget) toolbar.getWidget()).isDisposed());
 	}

 	@Test
 	public void testBug573518_SharedPartToolbarShown1() {
 		MPart part1 = ems.createModelElement(MPart.class);
 		window.getSharedElements().add(part1);

 		MPart part2 = ems.createModelElement(MPart.class);
 		window.getSharedElements().add(part2);

 		MToolBar toolbar = ems.createModelElement(MToolBar.class);
 		part2.setToolbar(toolbar);

 		MPlaceholder ph1 = ems.createModelElement(MPlaceholder.class);
 		ph1.setRef(part1);
 		partStack.getChildren().add(ph1);
 		partStack.setSelectedElement(ph1);

 		MPlaceholder ph2 = ems.createModelElement(MPlaceholder.class);
 		ph2.setRef(part2);
 		partStack.getChildren().add(ph2);

 		contextRule.createAndRunWorkbench(window);

 		// Current reference is not pointing to ph2, toolbar is marked visible but not
 		// rendereded
 		assertTrue(toolbar.isVisible());
 		assertNull(toolbar.getWidget());

 		partStack.setSelectedElement(ph2);

 		assertTrue(toolbar.isVisible());
 		assertNotNull(toolbar.getWidget());
 	}

 	@Test
 	public void testBug573518_SharedPartToolbarShown2() {
 		MPart part1 = ems.createModelElement(MPart.class);
 		window.getSharedElements().add(part1);

 		MPart part2 = ems.createModelElement(MPart.class);
 		window.getSharedElements().add(part2);

 		MToolBar toolbar = ems.createModelElement(MToolBar.class);
 		part2.setToolbar(toolbar);

 		MPlaceholder ph1 = ems.createModelElement(MPlaceholder.class);
 		ph1.setRef(part1);
 		partStack.getChildren().add(ph1);
 		partStack.setSelectedElement(ph1);

 		MPlaceholder ph2 = ems.createModelElement(MPlaceholder.class);
 		ph2.setRef(part2);
 		part2.setCurSharedRef(ph2);
 		partStack.getChildren().add(ph2);

 		contextRule.createAndRunWorkbench(window);

 		assertFalse(toolbar.isVisible());
 		assertNull(toolbar.getWidget());

 		partStack.setSelectedElement(ph2);

 		assertTrue(toolbar.isVisible());
 		assertNotNull(toolbar.getWidget());
 	}

 	// helper functions

 	/*
 	 * TODO tests: 1. switching tabs: are toolbars hidden, shown 2. add visible
 	 * toolbar to hidden part, add invisible toolbar to shown part 3. shared part
 	 * with visible toolbar on hidden part (do-render) (initial, and add tab after
 	 * render)
 	 */

 }
	/*******************************************************************************
	* Copyright (c) 2013, 2020 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	* Rolf Theunissen <rolf.theunissen@gmail.com> - Bug 546632, 564561
	******************************************************************************/

	package org.eclipse.e4.ui.workbench.renderers.swt;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertFalse;
	import static org.junit.Assert.assertNotEquals;
	import static org.junit.Assert.assertNotNull;
	import static org.junit.Assert.assertNull;
	import static org.junit.Assert.assertTrue;

	import java.lang.reflect.InvocationHandler;
	import java.lang.reflect.Method;
	import java.lang.reflect.Proxy;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.HashMap;
	import java.util.List;
	import javax.inject.Inject;
	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.e4.ui.internal.workbench.swt.CSSConstants;
	import org.eclipse.e4.ui.model.application.MApplication;
	import org.eclipse.e4.ui.model.application.descriptor.basic.MPartDescriptor;
	import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
	import org.eclipse.e4.ui.model.application.ui.basic.MPart;
	import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
	import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
	import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
	import org.eclipse.e4.ui.services.IStylingEngine;
	import org.eclipse.e4.ui.services.internal.events.EventBroker;
	import org.eclipse.e4.ui.tests.rules.WorkbenchContextRule;
	import org.eclipse.e4.ui.workbench.UIEvents;
	import org.eclipse.e4.ui.workbench.modeling.EModelService;
	import org.eclipse.swt.custom.CTabFolder;
	import org.eclipse.swt.custom.CTabItem;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.widgets.Widget;
	import org.junit.Before;
	import org.junit.Rule;
	import org.junit.Test;

	public class StackRendererTest {

	private static final String PART_DESC_ICON = "platform:/plugin/org.eclipse.e4.ui.tests/icons/pinned_ovr.png";
	private static final String PART_ICON = "platform:/plugin/org.eclipse.e4.ui.tests/icons/filenav_nav.png";

	@Rule
	public WorkbenchContextRule contextRule = new WorkbenchContextRule();

	@Inject
	private IEclipseContext context;

	@Inject
	private EModelService ems;

	@Inject
	private MApplication application;

	private MWindow window;
	private MPartStack partStack;

	@Before
	public void setUp() throws Exception {
	window = ems.createModelElement(MWindow.class);
	application.getChildren().add(window);
	application.setSelectedElement(window);

	partStack = ems.createModelElement(MPartStack.class);
	window.getChildren().add(partStack);
	}

	@Test
	public void testTabStateHandlerWhenOneOfSupportedTagChangeEvents() throws Exception {
	MPart part = ems.createModelElement(MPart.class);
	partStack.getChildren().add(part);
	part.setLabel("some title");

	CTabItemStylingMethodsListener executedMethodsListener = new CTabItemStylingMethodsListener(part);

	context.set(IStylingEngine.class, (IStylingEngine) Proxy.newProxyInstance(getClass().getClassLoader(),
	new Class<?>[] { IStylingEngine.class }, executedMethodsListener));

	contextRule.createAndRunWorkbench(window);

	// given
	HashMap<String, Object> params = new HashMap<>();
	params.put(UIEvents.EventTags.ELEMENT, part);
	params.put(UIEvents.EventTags.NEW_VALUE, CSSConstants.CSS_BUSY_CLASS);
	params.put(UIEvents.EventTags.OLD_VALUE, null);

	// when
	context.get(EventBroker.class).send(
	UIEvents.ApplicationElement.TOPIC_TAGS.replace(UIEvents.ALL_SUB_TOPICS, UIEvents.EventTypes.SET),
	params);

	// then
	assertEquals(1, executedMethodsListener.getMethodExecutionCount("setClassnameAndId(.+)"));
	}

	@Test
	public void testTabStateHandlerWhenSelectionChangedEvent() throws Exception {
	MPart part = ems.createModelElement(MPart.class);
	partStack.getChildren().add(part);
	part.setLabel("some title");

	CTabItemStylingMethodsListener executedMethodsListener = new CTabItemStylingMethodsListener(part);

	context.set(IStylingEngine.class, (IStylingEngine) Proxy.newProxyInstance(getClass().getClassLoader(),
	new Class<?>[] { IStylingEngine.class }, executedMethodsListener));

	contextRule.createAndRunWorkbench(window);

	// given
	MPlaceholder placeHolder = ems.createModelElement(MPlaceholder.class);
	placeHolder.setRef(part);

	HashMap<String, Object> params = new HashMap<>();
	params.put(UIEvents.EventTags.ELEMENT, partStack);
	params.put(UIEvents.EventTags.NEW_VALUE, placeHolder);
	params.put(UIEvents.EventTags.OLD_VALUE, null);

	// when
	context.get(EventBroker.class).send(UIEvents.ElementContainer.TOPIC_SELECTEDELEMENT
	.replace(UIEvents.ALL_SUB_TOPICS, UIEvents.EventTypes.SET), params);

	// then
	assertEquals(1, executedMethodsListener.getMethodExecutionCount("setClassnameAndId(.+)"));
	}

	private static class CTabItemStylingMethodsListener implements InvocationHandler {
	private MPart part;
	private List<String> methods;

	public CTabItemStylingMethodsListener(MPart part) {
	this.part = part;
	methods = new ArrayList<>();
	}

	@Override
	public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
	if (isTabItemForPart(args[0])) {
	methods.add(String.format("%s(%s)", method.getName(), Arrays.toString(args)));
	}
	return null;
	}

	private boolean isTabItemForPart(Object obj) {
	return obj instanceof CTabItem && part.getLabel().equals(((CTabItem) obj).getText());
	}

	public int getMethodExecutionCount(String methodPattern) {
	int result = 0;
	for (String method : methods) {
	if (method.matches(methodPattern)) {
	result++;
	}
	}
	return result;
	}
	}

	@Test
	public void testBug475357_IconChanges() throws Exception {
	MPartDescriptor partDescriptor = ems.createModelElement(MPartDescriptor.class);
	partDescriptor.setElementId("myelementid");
	partDescriptor.setLabel("some title");
	partDescriptor.setIconURI(PART_DESC_ICON);
	application.getDescriptors().add(partDescriptor);

	MPart part1 = ems.createPart(partDescriptor);
	MPart part2 = ems.createPart(partDescriptor);

	partStack.getChildren().add(part1);
	partStack.getChildren().add(part2);

	contextRule.createAndRunWorkbench(window);

	part1.setIconURI(PART_DESC_ICON);
	CTabItem item = ((CTabFolder) partStack.getWidget()).getItem(0);
	Image image = item.getImage();

	part1.setIconURI(PART_ICON);
	assertNotEquals(item.getImage(), image);
	}

	@Test
	public void testBug475357_PartIconOverridesDescriptor() throws Exception {
	MPartDescriptor partDescriptor = ems.createModelElement(MPartDescriptor.class);
	partDescriptor.setElementId("myelementid");
	partDescriptor.setLabel("some title");
	partDescriptor.setIconURI(PART_DESC_ICON);
	application.getDescriptors().add(partDescriptor);

	MPart part1 = ems.createPart(partDescriptor);
	MPart part2 = ems.createPart(partDescriptor);

	partStack.getChildren().add(part1);
	partStack.getChildren().add(part2);

	contextRule.createAndRunWorkbench(window);

	// check that Renderer uses Part's icon over PartDescriptor's icon
	CTabItem item = ((CTabFolder) partStack.getWidget()).getItem(1);
	Image descImage = item.getImage();

	part2.setIconURI(PART_ICON);
	Image partIcon = item.getImage();
	assertNotEquals(partIcon, descImage);

	part2.setIconURI(null);
	Image ovrwriteIcon = item.getImage();
	assertNotEquals(ovrwriteIcon, partIcon);
	assertEquals(ovrwriteIcon, descImage);
	}

	@Test
	public void testBug564561_ToolbarVisible_initial() {
	MPart part1 = ems.createModelElement(MPart.class);
	MPart part2 = ems.createModelElement(MPart.class);

	partStack.getChildren().add(part1);
	partStack.getChildren().add(part2);
	partStack.setSelectedElement(part1);

	MToolBar toolbar1 = ems.createModelElement(MToolBar.class);
	toolbar1.setVisible(false);
	part1.setToolbar(toolbar1);

	MToolBar toolbar2 = ems.createModelElement(MToolBar.class);
	toolbar2.setVisible(true);
	part2.setToolbar(toolbar2);

	contextRule.createAndRunWorkbench(window);

	assertTrue(toolbar1.isVisible());
	assertFalse(toolbar2.isVisible());

	partStack.setSelectedElement(part2);

	assertFalse(toolbar1.isVisible());
	assertTrue(toolbar2.isVisible());
	}

	@Test
	public void testBug564561_ToolbarVisible_added1() {
	MPart part1 = ems.createModelElement(MPart.class);

	partStack.getChildren().add(part1);
	partStack.setSelectedElement(part1);

	contextRule.createAndRunWorkbench(window);

	MPart part2 = ems.createModelElement(MPart.class);
	MToolBar toolbar2 = ems.createModelElement(MToolBar.class);
	toolbar2.setVisible(true);
	part2.setToolbar(toolbar2);

	partStack.getChildren().add(part2);

	assertFalse(toolbar2.isVisible());
	}

	@Test
	public void testBug564561_ToolbarVisible_added2() {
	MPart part1 = ems.createModelElement(MPart.class);
	MPart part2 = ems.createModelElement(MPart.class);

	partStack.getChildren().add(part1);
	partStack.getChildren().add(part2);
	partStack.setSelectedElement(part1);

	contextRule.createAndRunWorkbench(window);

	MToolBar toolbar1 = ems.createModelElement(MToolBar.class);
	toolbar1.setVisible(false);
	part1.setToolbar(toolbar1);

	MToolBar toolbar2 = ems.createModelElement(MToolBar.class);
	toolbar2.setVisible(true);
	part2.setToolbar(toolbar2);

	assertTrue(toolbar1.isVisible());
	assertFalse(toolbar2.isVisible());
	}

	@Test
	public void testBug572598_SharedPartAndToolbarNotDisposed() {
	MPart part = ems.createModelElement(MPart.class);
	window.getSharedElements().add(part);

	MToolBar toolbar = ems.createModelElement(MToolBar.class);
	part.setToolbar(toolbar);

	MPlaceholder ph1 = ems.createModelElement(MPlaceholder.class);
	ph1.setRef(part);
	partStack.getChildren().add(ph1);
	partStack.setSelectedElement(ph1);

	MPartStack partStack2 = ems.createModelElement(MPartStack.class);
	window.getChildren().add(partStack2);
	window.setSelectedElement(partStack2);

	MPlaceholder ph2 = ems.createModelElement(MPlaceholder.class);
	ph2.setRef(part);
	partStack2.getChildren().add(ph2);
	partStack2.setSelectedElement(ph2);

	contextRule.createAndRunWorkbench(window);

	assertNotNull(part.getWidget());
	assertFalse(((Widget) part.getWidget()).isDisposed());
	assertNotNull(toolbar.getWidget());
	assertFalse(((Widget) toolbar.getWidget()).isDisposed());

	// Destroy the second partstack; This should not dispose the shared elements
	partStack2.setToBeRendered(false);

	assertNotNull(part.getWidget());
	assertFalse(((Widget) part.getWidget()).isDisposed());
	assertNotNull(toolbar.getWidget());
	assertFalse(((Widget) toolbar.getWidget()).isDisposed());
	}

	@Test
	public void testBug573518_SharedPartToolbarShown1() {
	MPart part1 = ems.createModelElement(MPart.class);
	window.getSharedElements().add(part1);

	MPart part2 = ems.createModelElement(MPart.class);
	window.getSharedElements().add(part2);

	MToolBar toolbar = ems.createModelElement(MToolBar.class);
	part2.setToolbar(toolbar);

	MPlaceholder ph1 = ems.createModelElement(MPlaceholder.class);
	ph1.setRef(part1);
	partStack.getChildren().add(ph1);
	partStack.setSelectedElement(ph1);

	MPlaceholder ph2 = ems.createModelElement(MPlaceholder.class);
	ph2.setRef(part2);
	partStack.getChildren().add(ph2);

	contextRule.createAndRunWorkbench(window);

	// Current reference is not pointing to ph2, toolbar is marked visible but not
	// rendereded
	assertTrue(toolbar.isVisible());
	assertNull(toolbar.getWidget());

	partStack.setSelectedElement(ph2);

	assertTrue(toolbar.isVisible());
	assertNotNull(toolbar.getWidget());
	}

	@Test
	public void testBug573518_SharedPartToolbarShown2() {
	MPart part1 = ems.createModelElement(MPart.class);
	window.getSharedElements().add(part1);

	MPart part2 = ems.createModelElement(MPart.class);
	window.getSharedElements().add(part2);

	MToolBar toolbar = ems.createModelElement(MToolBar.class);
	part2.setToolbar(toolbar);

	MPlaceholder ph1 = ems.createModelElement(MPlaceholder.class);
	ph1.setRef(part1);
	partStack.getChildren().add(ph1);
	partStack.setSelectedElement(ph1);

	MPlaceholder ph2 = ems.createModelElement(MPlaceholder.class);
	ph2.setRef(part2);
	part2.setCurSharedRef(ph2);
	partStack.getChildren().add(ph2);

	contextRule.createAndRunWorkbench(window);

	assertFalse(toolbar.isVisible());
	assertNull(toolbar.getWidget());

	partStack.setSelectedElement(ph2);

	assertTrue(toolbar.isVisible());
	assertNotNull(toolbar.getWidget());
	}

	// helper functions

	/*
	* TODO tests: 1. switching tabs: are toolbars hidden, shown 2. add visible
	* toolbar to hidden part, add invisible toolbar to shown part 3. shared part
	* with visible toolbar on hidden part (do-render) (initial, and add tab after
	* render)
	*/

	}