| /******************************************************************************* |
| * Copyright (c) 2009 Wind River Systems and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Wind River Systems - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipe.debug.tests.viewer.model; |
| |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| |
| import org.eclipe.debug.tests.viewer.model.TestModel.TestElement; |
| import org.eclipse.debug.internal.ui.viewers.model.ITreeModelContentProviderTarget; |
| import org.eclipse.debug.internal.ui.viewers.model.ITreeModelViewer; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.eclipse.jface.viewers.TreeSelection; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Tests to verify that the viewer can save and restore correctly the expansion |
| * state of elements. |
| * |
| * @since 3.6 |
| */ |
| abstract public class StateTests extends TestCase implements ITestModelUpdatesListenerConstants { |
| Display fDisplay; |
| Shell fShell; |
| ITreeModelViewer fViewer; |
| TestModelUpdatesListener fListener; |
| |
| public StateTests(String name) { |
| super(name); |
| } |
| |
| /** |
| * @throws java.lang.Exception |
| */ |
| protected void setUp() throws Exception { |
| fDisplay = PlatformUI.getWorkbench().getDisplay(); |
| fShell = new Shell(fDisplay/*, SWT.ON_TOP | SWT.SHELL_TRIM*/); |
| fShell.setMaximized(true); |
| fShell.setLayout(new FillLayout()); |
| |
| fViewer = createViewer(fDisplay, fShell); |
| |
| fListener = new TestModelUpdatesListener(false, false); |
| fViewer.addViewerUpdateListener(fListener); |
| fViewer.addLabelUpdateListener(fListener); |
| fViewer.addModelChangedListener(fListener); |
| fViewer.addStateUpdateListener(fListener); |
| |
| fShell.open (); |
| } |
| |
| abstract protected ITreeModelViewer createViewer(Display display, Shell shell); |
| |
| /** |
| * @throws java.lang.Exception |
| */ |
| protected void tearDown() throws Exception { |
| fViewer.removeLabelUpdateListener(fListener); |
| fViewer.removeViewerUpdateListener(fListener); |
| fViewer.removeModelChangedListener(fListener); |
| fViewer.addStateUpdateListener(fListener); |
| |
| // Close the shell and exit. |
| fShell.close(); |
| while (!fShell.isDisposed()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| } |
| |
| protected ITreeModelContentProviderTarget getCTargetViewer() { |
| return (ITreeModelContentProviderTarget)fViewer; |
| } |
| |
| public void testUpdateViewer() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| |
| TestModel model = TestModel.simpleMultiLevel(); |
| |
| // Create the listener |
| fListener.reset(); |
| fListener.addChildreUpdate(TreePath.EMPTY, 0); |
| fListener.addChildreUpdate(TreePath.EMPTY, 1); |
| fListener.addChildreUpdate(TreePath.EMPTY, 2); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| |
| // Create the update delta |
| TestElement element = model.getRootElement(); |
| TreePath path0 = TreePath.EMPTY; |
| ModelDelta delta = new ModelDelta(model.getRootElement(), -1, IModelDelta.EXPAND, element.getChildren().length); |
| ModelDelta updateDelta = delta; |
| element = element.getChildren()[2]; |
| TreePath path1 = path0.createChildPath(element); |
| delta = delta.addNode(element, 2, IModelDelta.EXPAND, element.fChildren.length); |
| element = element.getChildren()[1]; |
| TreePath path2 = path1.createChildPath(element); |
| delta = delta.addNode(element, 1, IModelDelta.EXPAND, element.fChildren.length); |
| element = element.getChildren()[1]; |
| TreePath path3 = path2.createChildPath(element); |
| delta = delta.addNode(element, 1, IModelDelta.SELECT); |
| |
| fListener.reset(); |
| fViewer.updateViewer(updateDelta); |
| |
| fListener.reset(); |
| fListener.setFailOnRedundantUpdates(false); |
| fListener.addChildreUpdate(path0, 2); |
| fListener.addHasChildrenUpdate(path1); |
| fListener.addChildreCountUpdate(path1); |
| fListener.addLabelUpdate(path1); |
| fListener.addChildreUpdate(path1, 1); |
| fListener.addHasChildrenUpdate(path2); |
| fListener.addChildreCountUpdate(path2); |
| fListener.addLabelUpdate(path2); |
| fListener.addHasChildrenUpdate(path2); |
| fListener.addChildreCountUpdate(path2); |
| fListener.addChildreUpdate(path2, 1); |
| fListener.addHasChildrenUpdate(path3); |
| fListener.addLabelUpdate(path3); |
| |
| while (!fListener.isFinished(CONTENT_UPDATES_COMPLETE | LABEL_UPDATES)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Extract the new state from viewer |
| ModelDelta savedDelta = new ModelDelta(model.getRootElement(), IModelDelta.NO_CHANGE); |
| fViewer.saveElementState(path0, savedDelta, IModelDelta.EXPAND | IModelDelta.SELECT); |
| |
| Assert.assertTrue( deltaMatches(updateDelta, savedDelta) ); |
| } |
| |
| boolean deltaMatches(ModelDelta requested, ModelDelta received) { |
| if ( requested.getElement().equals(received.getElement()) && |
| requested.getFlags() == received.getFlags() && |
| ( requested.getChildCount() == -1 || requested.getChildCount() == received.getChildCount() )&& |
| ( requested.getIndex() == -1 || requested.getIndex() == received.getIndex()) && |
| ((requested.getReplacementElement() != null && requested.getReplacementElement().equals(received.getReplacementElement())) || |
| (requested.getReplacementElement() == null && received.getReplacementElement() == null)) && |
| requested.getChildDeltas().length == received.getChildDeltas().length) |
| { |
| for (int i = 0; i < requested.getChildDeltas().length; i++) { |
| ModelDelta requestedChildDelta = (ModelDelta)requested.getChildDeltas()[i]; |
| ModelDelta receivedChildDelta = received.getChildDelta(requestedChildDelta.getElement()); |
| if ( receivedChildDelta == null || !deltaMatches(requestedChildDelta, receivedChildDelta) ) { |
| return false; |
| } |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| private TestModel alternatingSubsreesModel() { |
| TestModel model = new TestModel(); |
| model.setRoot( new TestElement(model, "root", new TestElement[] { |
| new TestElement(model, "1", new TestElement[] { |
| new TestElement(model, "1.1", new TestElement[] { |
| new TestElement(model, "1.1.1", new TestElement[0]), |
| }), |
| }), |
| new TestElement(model, "2", new TestElement[] { |
| new TestElement(model, "2.1", new TestElement[] { |
| new TestElement(model, "2.1.1", new TestElement[0]), |
| }), |
| }), |
| new TestElement(model, "3", new TestElement[] { |
| new TestElement(model, "3.1", new TestElement[] { |
| new TestElement(model, "3.1.1", new TestElement[0]), |
| }), |
| }), |
| new TestElement(model, "4", new TestElement[] { |
| new TestElement(model, "4.1", new TestElement[] { |
| new TestElement(model, "4.1.1", new TestElement[0]), |
| }), |
| }), |
| new TestElement(model, "5", new TestElement[] { |
| new TestElement(model, "5.1", new TestElement[] { |
| new TestElement(model, "5.1.1", new TestElement[0]), |
| }), |
| }), |
| new TestElement(model, "6", new TestElement[] { |
| new TestElement(model, "6.1", new TestElement[] { |
| new TestElement(model, "6.1.1", new TestElement[0]), |
| }), |
| }) |
| }) ); |
| return model; |
| } |
| |
| private void expandAlternateElements(TestModel model) { |
| // Expand every other child |
| fListener.reset(); |
| fListener.setFailOnRedundantUpdates(false); |
| ITreeModelContentProviderTarget viewer = (ITreeModelContentProviderTarget)fViewer; |
| TreePath path; |
| fListener.addUpdates(path = model.findElement("1"), (TestElement)path.getLastSegment(), 1, CHILDREN_COUNT_UPDATES | CHILDREN_UPDATES); |
| viewer.setExpandedState(path, true); |
| fListener.addUpdates(path = model.findElement("3"), (TestElement)path.getLastSegment(), 1, CHILDREN_COUNT_UPDATES | CHILDREN_UPDATES); |
| viewer.setExpandedState(path, true); |
| fListener.addUpdates(path = model.findElement("5"), (TestElement)path.getLastSegment(), 1, CHILDREN_COUNT_UPDATES | CHILDREN_UPDATES); |
| viewer.setExpandedState(path, true); |
| |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| |
| // Expand the sub-children as well (so that the expanded nodes go 2 levels down. |
| fListener.reset(); |
| fListener.addUpdates(path = model.findElement("1.1"), (TestElement)path.getLastSegment(), 1, CHILDREN_COUNT_UPDATES | CHILDREN_UPDATES); |
| viewer.setExpandedState(path, true); |
| fListener.addUpdates(path = model.findElement("3.1"), (TestElement)path.getLastSegment(), 1, CHILDREN_COUNT_UPDATES | CHILDREN_UPDATES); |
| viewer.setExpandedState(path, true); |
| fListener.addUpdates(path = model.findElement("5.1"), (TestElement)path.getLastSegment(), 1, CHILDREN_COUNT_UPDATES | CHILDREN_UPDATES); |
| viewer.setExpandedState(path, true); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| } |
| |
| public void testPreserveExpandedOnRemove() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| TestModel model = alternatingSubsreesModel(); |
| |
| // NOTE: WE ARE NOT EXPANDING ANY CHILDREN |
| |
| // Create the listener, only check the first level |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), 1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| |
| expandAlternateElements(model); |
| |
| // Set a selection in view |
| TreeSelection originalSelection = new TreeSelection(model.findElement("5.1.1")); |
| fViewer.setSelection(originalSelection); |
| |
| // Update the model |
| ModelDelta delta = model.removeElementChild(TreePath.EMPTY, 0); |
| |
| // Remove delta should not generate any new updates |
| fListener.reset(); |
| model.postDelta(delta); |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Validate data |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("2")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("4")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("6")) == false); |
| Assert.assertEquals(originalSelection, fViewer.getSelection()); |
| } |
| |
| public void testPreserveExpandedOnInsert() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| TestModel model = alternatingSubsreesModel(); |
| |
| // NOTE: WE ARE NOT EXPANDING ANY CHILDREN |
| |
| // Create the listener, only check the first level |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), 1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| |
| expandAlternateElements(model); |
| |
| // Set a selection in view |
| TreeSelection originalSelection = new TreeSelection(model.findElement("5.1.1")); |
| fViewer.setSelection(originalSelection); |
| |
| // Update the model |
| ModelDelta delta = model.insertElementChild(TreePath.EMPTY, 0, new TestElement(model, "0 - new", new TestElement[0])); |
| |
| // Insert delta should generate updates only for the new element |
| TreePath path = model.findElement("0 - new"); |
| // Note: redundant label updates on insert. |
| fListener.reset(path, (TestElement)path.getLastSegment(), 0, false, false); |
| fListener.addChildreUpdate(TreePath.EMPTY, 0); |
| model.postDelta(delta); |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | ALL_UPDATES_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Validate data |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("1.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("2")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("4")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("6")) == false); |
| Assert.assertEquals(originalSelection, fViewer.getSelection()); |
| } |
| |
| public void testPreserveExpandedOnContentStress() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| TestModel model = alternatingSubsreesModel(); |
| |
| // NOTE: WE ARE NOT EXPANDING ANY CHILDREN |
| |
| // Create the listener, only check the first level |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), 1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| |
| expandAlternateElements(model); |
| |
| // Set a selection in view |
| TreeSelection originalSelection = new TreeSelection(model.findElement("5.1.1")); |
| fViewer.setSelection(originalSelection); |
| Assert.assertEquals(originalSelection, fViewer.getSelection()); |
| |
| // Run this test ten times as we've seen intermittent failures related |
| // to timing in it. |
| for (int i = 0; i < 10; i++) { |
| // Update the model |
| model.removeElementChild(TreePath.EMPTY, 0); |
| |
| // Note: Re-expanding nodes causes redundant updates. |
| fListener.reset(false, false); |
| fListener.addUpdates(getCTargetViewer(), TreePath.EMPTY, model.getRootElement(), -1, ALL_UPDATES_COMPLETE); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| while (!fListener.isFinished(ALL_UPDATES_COMPLETE | STATE_RESTORE_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Validate data |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("2")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("4")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("6")) == false); |
| Assert.assertEquals(originalSelection, fViewer.getSelection()); |
| |
| // Update the model again |
| model.addElementChild(TreePath.EMPTY, 0, new TestElement(model, "1", new TestElement[0])); |
| |
| // Note: Re-expanding nodes causes redundant updates. |
| fListener.reset(false, false); |
| fListener.addUpdates(getCTargetViewer(), TreePath.EMPTY, model.getRootElement(), -1, ALL_UPDATES_COMPLETE); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| while (!fListener.isFinished(ALL_UPDATES_COMPLETE | STATE_RESTORE_COMPLETE)) |
| if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Validate data |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("2")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("3.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("4")) == false); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("5.1")) == true); |
| Assert.assertTrue(getCTargetViewer().getExpandedState(model.findElement("6")) == false); |
| Assert.assertEquals(originalSelection, fViewer.getSelection()); |
| } |
| } |
| |
| public void testSaveAndRstore1() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| TestModel model = alternatingSubsreesModel(); |
| |
| // NOTE: WE ARE NOT EXPANDING ANY CHILDREN |
| |
| // Create the listener, only check the first level |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), 1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY, true); |
| |
| // Expand some, but not all elements |
| expandAlternateElements(model); |
| |
| // Set a selection in view |
| fViewer.setSelection(new TreeSelection(model.findElement("5.1.1"))); |
| |
| // Extract the original state from viewer |
| ModelDelta originalState = new ModelDelta(model.getRootElement(), IModelDelta.NO_CHANGE); |
| fViewer.saveElementState(TreePath.EMPTY, originalState, IModelDelta.EXPAND | IModelDelta.SELECT); |
| |
| // Set the viewer input to null. This will trigger the view to save the viewer state. |
| fListener.reset(true, false); |
| fListener.addStateUpdates(getCTargetViewer(), TreePath.EMPTY, model.getRootElement()); |
| fViewer.setInput(null); |
| while (!fListener.isFinished(STATE_SAVE_COMPLETE)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Set the viewer input back to the model. When view updates are complete |
| // the viewer |
| // Note: disable redundant updates because the reveal delta triggers one. |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), 1, false, false); |
| // TODO: add state updates somehow? |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Extract the restored state from viewer |
| ModelDelta restoredState = new ModelDelta(model.getRootElement(), IModelDelta.NO_CHANGE); |
| fViewer.saveElementState(TreePath.EMPTY, restoredState, IModelDelta.EXPAND | IModelDelta.SELECT); |
| |
| Assert.assertTrue( deltaMatches(originalState, restoredState) ); |
| } |
| |
| public void testSaveAndRstore2() { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| TestModel model = TestModel.simpleMultiLevel(); |
| |
| // expand all elements |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener, only check the first level |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Set a selection in view |
| fViewer.setSelection(new TreeSelection(model.findElement("3.2.3"))); |
| |
| // Turn off the auto-expand now since we want to text the auto-expand logic |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Extract the original state from viewer |
| ModelDelta originalState = new ModelDelta(model.getRootElement(), IModelDelta.NO_CHANGE); |
| fViewer.saveElementState(TreePath.EMPTY, originalState, IModelDelta.EXPAND | IModelDelta.SELECT); |
| |
| // Set the viewer input to null. This will trigger the view to save the viewer state. |
| fListener.reset(true, false); |
| fListener.addStateUpdates(getCTargetViewer(), TreePath.EMPTY, model.getRootElement()); |
| |
| fViewer.setInput(null); |
| while (!fListener.isFinished(STATE_SAVE_COMPLETE)) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Set the viewer input back to the model. When view updates are complete |
| // the viewer |
| // Note: disable redundant updates because the reveal delta triggers one. |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), 1, false, false); |
| // TODO: add state updates somehow? |
| fViewer.setInput(model.getRootElement()); |
| while (!fListener.isFinished()) if (!fDisplay.readAndDispatch ()) fDisplay.sleep (); |
| |
| // Extract the restored state from viewer |
| ModelDelta restoredState = new ModelDelta(model.getRootElement(), IModelDelta.NO_CHANGE); |
| fViewer.saveElementState(TreePath.EMPTY, restoredState, IModelDelta.EXPAND | IModelDelta.SELECT); |
| |
| Assert.assertTrue( deltaMatches(originalState, restoredState) ); |
| } |
| |
| } |
