| /******************************************************************************* |
| * Copyright (c) 2009, 2018 Wind River Systems 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: |
| * Wind River Systems - initial API and implementation |
| * IBM Corporation - bug fixing |
| *******************************************************************************/ |
| package org.eclipse.debug.tests.viewer.model; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.eclipse.debug.internal.ui.viewers.model.IInternalTreeModelViewer; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenCountUpdate; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IHasChildrenUpdate; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta; |
| import org.eclipse.debug.tests.TestUtil; |
| import org.eclipse.debug.tests.viewer.model.TestModel.TestElement; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Tests to verify that the viewer property updates following changes in the |
| * model, following simple content update deltas from the model. |
| * |
| * @since 3.6 |
| */ |
| abstract public class UpdateTests extends AbstractViewerModelTest implements ITestModelUpdatesListenerConstants { |
| |
| @Override |
| protected TestModelUpdatesListener createListener(IInternalTreeModelViewer viewer) { |
| return new TestModelUpdatesListener(viewer, false, false); |
| } |
| |
| /** |
| * This test: - creates a simple model - replaces the list of elements with |
| * a shorter list of elements - refreshes the viewer |
| */ |
| @Test |
| public void testRemoveElements() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Update the model |
| TestElement root = model.getRootElement(); |
| TreePath rootPath = new TreePath(new Object[] {}); |
| TestElement[] newElements = new TestElement[] { |
| new TestElement(model, "1", new TestElement[0]), //$NON-NLS-1$ |
| new TestElement(model, "2", new TestElement[0]), //$NON-NLS-1$ |
| new TestElement(model, "3", new TestElement[0]), //$NON-NLS-1$ |
| }; |
| model.setElementChildren(rootPath, newElements); |
| |
| // Reset the listener to NOT fail on redundant updates. |
| // When elements are remvoed from the model and the model is |
| // refreshed the viewer will issue an IChildrenUpdate for the |
| // missing elements as an optimization. |
| fListener.reset(rootPath, root, -1, false, false); |
| |
| model.postDelta(new ModelDelta(root, IModelDelta.CONTENT)); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| |
| /** |
| * This test: - creates a simple model - sets a list of children to one of |
| * the elements - refreshes the viewer |
| */ |
| @Test |
| public void testAddNewChildren() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, true, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Update the model |
| TestElement element = model.getRootElement().getChildren()[0]; |
| TreePath elementPath = new TreePath(new Object[] { element }); |
| TestElement[] newChildren = new TestElement[] { |
| new TestElement(model, "1.1", new TestElement[0]), //$NON-NLS-1$ |
| new TestElement(model, "1.2", new TestElement[0]), //$NON-NLS-1$ |
| new TestElement(model, "1.3", new TestElement[0]), //$NON-NLS-1$ |
| }; |
| model.setElementChildren(elementPath, newChildren); |
| |
| // Reset the viewer to ignore redundant updates. The '1' element |
| // will be updated for "hasChildren" before it is expanded, which is |
| // expected. |
| TreePath rootPath = TreePath.EMPTY; |
| TestElement rootElement = model.getRootElement(); |
| fListener.reset(rootPath, rootElement, -1, false, false); |
| |
| // Refresh the viewer |
| model.postDelta(new ModelDelta(rootElement, IModelDelta.CONTENT)); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| |
| |
| private void removeElement(TestModel model, int index, boolean validate) throws Exception { |
| ModelDelta delta = model.removeElementChild(TreePath.EMPTY, index); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE), createListenerErrorMessage()); |
| |
| if (validate) { |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| } |
| |
| private void addElement(TestModel model, String label, int position, boolean validate) throws Exception { |
| ModelDelta delta = model.addElementChild(TreePath.EMPTY, null, position, new TestElement(model, label, new TestElement[0])); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| |
| if (validate) { |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_SEQUENCE_COMPLETE | LABEL_SEQUENCE_COMPLETE), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } else { |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE), createListenerErrorMessage()); |
| } |
| } |
| |
| private void insertElement(TestModel model, String label, int position, boolean validate) throws Exception { |
| ModelDelta delta = model.insertElementChild(TreePath.EMPTY, position, new TestElement(model, label, new TestElement[0])); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| |
| if (validate) { |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_SEQUENCE_COMPLETE | LABEL_SEQUENCE_COMPLETE), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } else { |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE), createListenerErrorMessage()); |
| } |
| } |
| |
| @Test |
| public void testRepeatedAddRemoveElement() throws Exception { |
| //TreeModelViewerAutopopulateAgent autopopulateAgent = new TreeModelViewerAutopopulateAgent(fViewer); |
| |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Update the model |
| removeElement(model, 2, true); |
| addElement(model, "3-new", 3, true); //$NON-NLS-1$ |
| removeElement(model, 4, true); |
| addElement(model, "5-new", 5, true); //$NON-NLS-1$ |
| removeElement(model, 1, true); |
| addElement(model, "1-new", 1, true); //$NON-NLS-1$ |
| removeElement(model, 3, true); |
| addElement(model, "4-new", 4, true); //$NON-NLS-1$ |
| } |
| |
| /** |
| * This test verifies that when the viewer processes a delta that causes |
| * viewer updates it initiates the model update sequence before it finishes |
| * processing the delta. |
| */ |
| @Test |
| public void testNotifyUpdatesTartedOnModelChanged() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE), createListenerErrorMessage()); |
| |
| Assert.assertTrue( fListener.isFinished(CONTENT_SEQUENCE_STARTED) ); |
| } |
| |
| |
| /** |
| * This test case attempts to create a race condition between processing of |
| * the content updates and processing of add/remove model deltas. <br> |
| * See <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=304066">bug |
| * 304066</a> |
| */ |
| @Test |
| public void testContentPlusAddRemoveUpdateRaceConditionsElement() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Create a listener to listen only to a children count update for the root. |
| TestModelUpdatesListener childrenCountUpdateListener = new TestModelUpdatesListener(fViewer, false, false); |
| |
| for (int i = 0; i < 10; i++) { |
| String pass = "pass #" + i; //$NON-NLS-1$ |
| |
| // Request a content update for view |
| childrenCountUpdateListener.reset(); |
| childrenCountUpdateListener.addChildreCountUpdate(TreePath.EMPTY); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| // Wait until the delta is processed |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE), createListenerErrorMessage()); |
| |
| removeElement(model, 5, false); |
| removeElement(model, 4, false); |
| removeElement(model, 3, false); |
| removeElement(model, 2, false); |
| removeElement(model, 1, false); |
| removeElement(model, 0, false); |
| |
| // Wait until the children count update is completed using the count from |
| // before elements were removed. |
| waitWhile(t -> !childrenCountUpdateListener.isFinished(CHILD_COUNT_UPDATES), createListenerErrorMessage()); |
| |
| insertElement(model, "1 - " + pass, 0, false); //$NON-NLS-1$ |
| insertElement(model, "2 - " + pass, 1, false); //$NON-NLS-1$ |
| insertElement(model, "3 - " + pass, 2, false); //$NON-NLS-1$ |
| insertElement(model, "4 - " + pass, 3, false); //$NON-NLS-1$ |
| insertElement(model, "5 - " + pass, 4, false); //$NON-NLS-1$ |
| insertElement(model, "6 - " + pass, 5, false); //$NON-NLS-1$ |
| |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| } |
| |
| childrenCountUpdateListener.dispose(); |
| } |
| |
| |
| /** |
| * This test case attempts to create a race condition between processing of |
| * the content updates and processing of add/remove model deltas. <br> |
| * See <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=304066">bug |
| * 304066</a> |
| */ |
| @Test |
| public void testInsertAtInvalidIndex() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Insert element at the end of the list. |
| final int insertIndex = model.getRootElement().getChildren().length; |
| ModelDelta delta = model.insertElementChild(TreePath.EMPTY, insertIndex, new TestElement(model, "last - invalid index", new TestElement[0])); //$NON-NLS-1$ |
| // Change insert index to out of range |
| delta.accept((visitorDelta, depth) -> { |
| if ((visitorDelta.getFlags() & IModelDelta.INSERTED) != 0) { |
| ((ModelDelta) visitorDelta).setIndex(insertIndex + 1); |
| return false; |
| } |
| return true; |
| }); |
| |
| // Remove delta should generate no new updates, but we still need to wait for the event to |
| // be processed. |
| fListener.reset(); |
| model.postDelta(delta); |
| |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_SEQUENCE_COMPLETE | LABEL_SEQUENCE_COMPLETE), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| } |
| |
| /** |
| * This test forces the viewer to reschedule pending content updates due to |
| * a remove event from the model. |
| * |
| * @see org.eclipse.debug.internal.ui.viewers.model.ModelContentProvider#rescheduleUpdates |
| */ |
| @Test |
| public void testRescheduleUpdates() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| for (int i = 0; i < 5; i++) { |
| // Refresh the viewer so that updates are generated. |
| TestElement rootElement = model.getRootElement(); |
| fListener.reset(); |
| fListener.addUpdates(TreePath.EMPTY, model.getRootElement(), 1, CHILD_COUNT_UPDATES); |
| model.postDelta(new ModelDelta(rootElement, IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES | CHILDREN_UPDATES_STARTED), createListenerErrorMessage()); |
| |
| // Update the model |
| removeElement(model, 0, true); |
| addElement(model, "1", 0, true); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * This test forces the viewer to cancel updates then process them at once. |
| * <p> |
| * - Wait until CHILDREN COUNT update started then refresh<br> |
| * - Process queued updates in order.<br> |
| * </p> |
| */ |
| @Test |
| public void testCanceledUpdates1() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| |
| model.setQeueueingUpdate(true); |
| |
| for (int i = 0; i < 5; i++) { |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES_STARTED), createListenerErrorMessage()); |
| |
| } |
| |
| model.setQeueueingUpdate(false); |
| waitWhile(t -> !fListener.isFinished(ALL_UPDATES_COMPLETE), createListenerErrorMessage()); |
| |
| } |
| |
| /** |
| * This test forces the viewer to cancel updates then process them at once. |
| * <p> |
| * - Wait until CHILDREN COUNT update started then refresh<br> |
| * - Process queued updates in REVERSE order.<br> |
| * </p> |
| */ |
| @Test |
| public void testCanceledUpdates2() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| |
| model.setQeueueingUpdate(true); |
| |
| for (int i = 0; i < 5; i++) { |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES_STARTED), createListenerErrorMessage()); |
| |
| } |
| |
| ArrayList<IViewerUpdate> updates = new ArrayList<>(model.getQueuedUpdates()); |
| model.getQueuedUpdates().clear(); |
| for (int i = updates.size() - 1; i >= 0; i--) { |
| model.processUpdate(updates.get(i)); |
| } |
| |
| model.setQeueueingUpdate(false); |
| waitWhile(t -> !fListener.isFinished(ALL_UPDATES_COMPLETE), createListenerErrorMessage()); |
| } |
| |
| /** |
| * This test forces the viewer to cancel updates then process them at once. |
| * <p> |
| * - Wait until CHILDREN update started then refresh<br> |
| * - Process queued updates in order.<br> |
| * </p> |
| */ |
| @Test |
| public void testCanceledUpdates3() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| |
| model.setQeueueingUpdate(true); |
| |
| for (int i = 0; i < 5; i++) { |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| long start = System.currentTimeMillis(); |
| // Wait for the delta to be processed. |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILDREN_UPDATES_STARTED) |
| && System.currentTimeMillis() - start < testTimeout) { |
| completeQueuedUpdatesOfType(model, IChildrenCountUpdate.class); |
| completeQueuedUpdatesOfType(model, IHasChildrenUpdate.class); |
| TestUtil.processUIEvents(); |
| } |
| } |
| |
| model.setQeueueingUpdate(false); |
| waitWhile(t -> !fListener.isFinished(ALL_UPDATES_COMPLETE), createListenerErrorMessage()); |
| |
| } |
| |
| /** |
| * This test forces the viewer to cancel updates then process them at once. |
| * <p> |
| * - Wait until CHILDREN update started then refresh<br> |
| * - Process queued updates in REVERSE order.<br> |
| * </p> |
| */ |
| @Test |
| public void testCanceledUpdates4() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| |
| model.setQeueueingUpdate(true); |
| |
| for (int i = 0; i < 5; i++) { |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| long start = System.currentTimeMillis(); |
| // Wait for the delta to be processed. |
| while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILDREN_UPDATES_STARTED) |
| && System.currentTimeMillis() - start < testTimeout) { |
| completeQueuedUpdatesOfType(model, IChildrenCountUpdate.class); |
| completeQueuedUpdatesOfType(model, IHasChildrenUpdate.class); |
| TestUtil.processUIEvents(); |
| } |
| |
| } |
| |
| ArrayList<IViewerUpdate> updates = new ArrayList<>(model.getQueuedUpdates()); |
| model.getQueuedUpdates().clear(); |
| for (int i = updates.size() - 1; i >= 0; i--) { |
| model.processUpdate(updates.get(i)); |
| } |
| |
| model.setQeueueingUpdate(false); |
| waitWhile(t -> !fListener.isFinished(ALL_UPDATES_COMPLETE), createListenerErrorMessage()); |
| } |
| |
| /** |
| * This test removes an element while there are updates running on its |
| * sub-tree. With a precise timing this operation caused Bug 373790. |
| * <p> |
| * See Bug 373790 - Debug view stays busy after Resume |
| * </p> |
| * |
| * @see org.eclipse.debug.internal.ui.viewers.model.ModelContentProvider#rescheduleUpdates |
| */ |
| @Test |
| public void testCancelUpdatesOnRemoveElementWhileUpdatingSubTree() throws Exception { |
| TestModel model = TestModel.simpleMultiLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| TreePath path = model.findElement("2"); //$NON-NLS-1$ |
| fListener.addUpdates(path, model.getElement(path), 1, CHILD_COUNT_UPDATES); |
| fListener.addChildreUpdate(path, 0); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed and child updates for "2" to get started. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES | CHILDREN_UPDATES_RUNNING), createListenerErrorMessage()); |
| |
| // Remove element "2" |
| removeElement(model, 1, true); |
| |
| // Wait for all updates to finish. |
| waitWhile(t -> !fListener.isFinished(ALL_UPDATES_COMPLETE), createListenerErrorMessage()); |
| } |
| |
| /** |
| * This test forces the viewer to cancel updates upon setInput(). |
| * <p> |
| * - Wait until CHILDREN update started then refresh<br> |
| * - Process queued updates in order.<br> |
| * </p> |
| */ |
| @Test |
| public void testCanceledUpdatesOnSetInput() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| model.setQeueueingUpdate(false); |
| |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| fListener.addChildreCountUpdate(TreePath.EMPTY); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES), createListenerErrorMessage()); |
| |
| TestModel model2 = new TestModel(); |
| model2.setRoot(new TestElement(model2, "root", new TestElement[0])); //$NON-NLS-1$ |
| fViewer.setInput(model2.getRootElement()); |
| |
| waitWhile(t -> !fListener.isFinished(CONTENT_COMPLETE | VIEWER_UPDATES_RUNNING), createListenerErrorMessage()); |
| |
| } |
| |
| /** |
| * This test forces the viewer to cancel updates upon setInput(). |
| * <p> |
| * - Wait until CHILDREN update started then refresh<br> |
| * - Process queued updates in order.<br> |
| * </p> |
| */ |
| @Test |
| public void testCanceledUpdatesOnSetNullInput() throws Exception { |
| TestModel model = TestModel.simpleSingleLevel(); |
| fViewer.setAutoExpandLevel(-1); |
| |
| // Create the listener |
| fListener.reset(TreePath.EMPTY, model.getRootElement(), -1, false, false); |
| |
| // Set the input into the view and update the view. |
| fViewer.setInput(model.getRootElement()); |
| waitWhile(t -> !fListener.isFinished(), createListenerErrorMessage()); |
| model.validateData(fViewer, TreePath.EMPTY); |
| |
| model.setQeueueingUpdate(false); |
| |
| // Refresh the viewer so that updates are generated. |
| fListener.reset(); |
| fListener.addChildreCountUpdate(TreePath.EMPTY); |
| model.postDelta(new ModelDelta(model.getRootElement(), IModelDelta.CONTENT)); |
| |
| // Wait for the delta to be processed. |
| waitWhile(t -> !fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES), createListenerErrorMessage()); |
| |
| fViewer.setInput(null); |
| |
| waitWhile(t -> !fListener.isFinished(CONTENT_COMPLETE | VIEWER_UPDATES_RUNNING), createListenerErrorMessage()); |
| |
| } |
| |
| private void completeQueuedUpdatesOfType(TestModel model, Class<?> updateClass) { |
| List<IViewerUpdate> updatesToComplete = new LinkedList<>(); |
| |
| for (Iterator<IViewerUpdate> itr = model.getQueuedUpdates().iterator(); itr.hasNext();) { |
| IViewerUpdate update = itr.next(); |
| if (updateClass.isInstance(update)) { |
| updatesToComplete.add(update); |
| itr.remove(); |
| } |
| } |
| if (updatesToComplete != null) { |
| for (Iterator<IViewerUpdate> itr = updatesToComplete.iterator(); itr.hasNext();) { |
| model.processUpdate(itr.next()); |
| } |
| } |
| } |
| |
| } |