/*******************************************************************************
* Copyright (c) 2009, 2013 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
* 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 junit.framework.TestCase;
import org.eclipse.core.commands.ExecutionException;
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.IModelDeltaVisitor;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ITreeModelViewer;
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.viewer.model.TestModel.TestElement;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.junit.Assert;
/**
* 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 TestCase implements ITestModelUpdatesListenerConstants {
Display fDisplay;
Shell fShell;
ITreeModelViewer fViewer;
TestModelUpdatesListener fListener;
public UpdateTests(String name) {
super(name);
}
/**
* @throws java.lang.Exception
*/
@Override
protected void setUp() throws Exception {
fDisplay = PlatformUI.getWorkbench().getDisplay();
fShell = new Shell(fDisplay);
fShell.setMaximized(true);
fShell.setLayout(new FillLayout());
fViewer = createViewer(fDisplay, fShell);
fListener = new TestModelUpdatesListener(fViewer, false, false);
fShell.open ();
}
abstract protected ITreeModelViewer createViewer(Display display, Shell shell);
/**
* @throws java.lang.Exception
*/
@Override
protected void tearDown() throws Exception {
fListener.dispose();
fViewer.getPresentationContext().dispose();
// Close the shell and exit.
fShell.close();
while (!fShell.isDisposed()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
@Override
protected void runTest() throws Throwable {
try {
super.runTest();
} catch (Throwable t) {
throw new ExecutionException("Test failed: " + t.getMessage() + "\n fListener = " + fListener.toString(), t); //$NON-NLS-1$ //$NON-NLS-2$
}
}
/**
* This test:
* - creates a simple model
* - replaces the list of elements with a shorter list of elements
* - refreshes the viewer
*/
public void testRemoveElements() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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));
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
model.validateData(fViewer, TreePath.EMPTY);
}
/**
* This test:
* - creates a simple model
* - sets a list of children to one of the elements
* - refreshes the viewer
*/
public void testAddNewChildren() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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));
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
model.validateData(fViewer, TreePath.EMPTY);
}
private void removeElement(TestModel model, int index, boolean validate) throws InterruptedException {
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);
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
if (validate) {
model.validateData(fViewer, TreePath.EMPTY);
}
}
private void addElement(TestModel model, String label, int position, boolean validate) throws InterruptedException {
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) {
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_SEQUENCE_COMPLETE | LABEL_SEQUENCE_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
model.validateData(fViewer, TreePath.EMPTY);
} else {
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
}
private void insertElement(TestModel model, String label, int position, boolean validate) throws InterruptedException {
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) {
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_SEQUENCE_COMPLETE | LABEL_SEQUENCE_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
model.validateData(fViewer, TreePath.EMPTY);
} else {
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
}
public void testRepeatedAddRemoveElement() throws InterruptedException {
//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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
*/
public void testNotifyUpdatesTartedOnModelChanged() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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>
*/
public void testContentPlusAddRemoveUpdateRaceConditionsElement() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!childrenCountUpdateListener.isFinished(CHILD_COUNT_UPDATES)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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); //$NON-NLS-1$
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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>
*/
public void testInsertAtInvalidIndex() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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(new IModelDeltaVisitor() {
@Override
public boolean visit(IModelDelta visitorDelta, int 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);
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CONTENT_SEQUENCE_COMPLETE | LABEL_SEQUENCE_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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
*/
public void testRescheduleUpdates() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES | CHILDREN_UPDATES_STARTED)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
// 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>
*/
public void testCanceledUpdates1() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES_STARTED)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
model.setQeueueingUpdate(false);
while (!fListener.isFinished(ALL_UPDATES_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
/**
* 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>
*/
public void testCanceledUpdates2() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES_STARTED)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
ArrayList<IViewerUpdate> updates = new ArrayList<IViewerUpdate>(model.getQueuedUpdates());
model.getQueuedUpdates().clear();
for (int i = updates.size() - 1; i >= 0; i--) {
model.processUpdate(updates.get(i));
}
model.setQeueueingUpdate(false);
while (!fListener.isFinished(ALL_UPDATES_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
/**
* 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>
*/
public void testCanceledUpdates3() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILDREN_UPDATES_STARTED)) {
completeQueuedUpdatesOfType(model, IChildrenCountUpdate.class);
completeQueuedUpdatesOfType(model, IHasChildrenUpdate.class);
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
model.setQeueueingUpdate(false);
while (!fListener.isFinished(ALL_UPDATES_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
/**
* 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>
*/
public void testCanceledUpdates4() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILDREN_UPDATES_STARTED)) {
completeQueuedUpdatesOfType(model, IChildrenCountUpdate.class);
completeQueuedUpdatesOfType(model, IHasChildrenUpdate.class);
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
ArrayList<IViewerUpdate> updates = new ArrayList<IViewerUpdate>(model.getQueuedUpdates());
model.getQueuedUpdates().clear();
for (int i = updates.size() - 1; i >= 0; i--) {
model.processUpdate(updates.get(i));
}
model.setQeueueingUpdate(false);
while (!fListener.isFinished(ALL_UPDATES_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
/**
* 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
*/
public void testCancelUpdatesOnRemoveElementWhileUpdatingSubTree() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES | CHILDREN_UPDATES_RUNNING)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
// Remove element "2"
removeElement(model, 1, true);
// Wait for all updates to finish.
while (!fListener.isFinished(ALL_UPDATES_COMPLETE)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
/**
* 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>
*/
public void testCanceledUpdatesOnSetInput() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
TestModel model2 = new TestModel();
model2.setRoot(new TestElement(model2, "root", new TestElement[0])); //$NON-NLS-1$
fViewer.setInput(model2.getRootElement());
while (!fListener.isFinished(CONTENT_COMPLETE | VIEWER_UPDATES_RUNNING)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
/**
* 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>
*/
public void testCanceledUpdatesOnSetNullInput() throws InterruptedException {
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());
while (!fListener.isFinished()) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
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.
while (!fListener.isFinished(MODEL_CHANGED_COMPLETE | CHILD_COUNT_UPDATES)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
fViewer.setInput(null);
while (!fListener.isFinished(CONTENT_COMPLETE | VIEWER_UPDATES_RUNNING)) {
if (!fDisplay.readAndDispatch ()) {
Thread.sleep(0);
}
}
}
private void completeQueuedUpdatesOfType(TestModel model, Class<?> updateClass) {
List<IViewerUpdate> updatesToComplete = new LinkedList<IViewerUpdate>();
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());
}
}
}
}