| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| * Alexander Kurtakov <akurtako@redhat.com> - Bug 459343 |
| *******************************************************************************/ |
| package org.eclipse.core.tests.resources; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import junit.framework.AssertionFailedError; |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.CoreException; |
| import org.junit.Assert; |
| |
| /** |
| * This class works by recording the current state of given markers, |
| * then verifying that the marker deltas accurately reflect the old |
| * marker state. |
| */ |
| public class MarkerAttributeChangeListener extends Assert implements IResourceChangeListener { |
| //Map of (Long(id) -> Map of (String(attribute key) -> Object(attribute value))) |
| private Map<Long, Map<String, Object>> attributeMap = new HashMap<>(); |
| |
| //cache the exception because it can't be thrown from a listener |
| private AssertionFailedError error; |
| |
| public void expectChanges(IMarker marker) throws CoreException { |
| expectChanges(new IMarker[] {marker}); |
| } |
| |
| public void expectChanges(IMarker[] markers) throws CoreException { |
| error = null; |
| attributeMap.clear(); |
| |
| for (IMarker marker : markers) { |
| attributeMap.put(Long.valueOf(marker.getId()), marker.getAttributes()); |
| } |
| } |
| |
| /** |
| * @see IResourceChangeListener#resourceChanged(IResourceChangeEvent) |
| */ |
| @Override |
| public void resourceChanged(IResourceChangeEvent event) { |
| IMarkerDelta[] deltas = event.findMarkerDeltas(null, true); |
| try { |
| checkDelta(deltas); |
| } catch (AssertionFailedError e) { |
| error = e; |
| } |
| } |
| |
| private void checkDelta(IMarkerDelta[] deltas) throws AssertionFailedError { |
| assertEquals("wrong number of changes", attributeMap.size(), deltas.length); |
| for (IMarkerDelta delta : deltas) { |
| Map<String, Object> values = attributeMap.get(new Long(delta.getId())); |
| assertEquals("Changes different from expecations", delta.getAttributes(), values); |
| } |
| } |
| |
| /** |
| * Verifies that the delta was as expected. Throws an appropriate |
| * assertion failure if the delta did not meet expectations. |
| */ |
| public void verifyChanges() { |
| if (error != null) { |
| throw error; |
| } |
| } |
| } |