| /******************************************************************************* |
| * Copyright (c) 2009, 2017 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 |
| *******************************************************************************/ |
| package org.eclipse.core.tests.resources.regression; |
| |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| import org.eclipse.core.internal.resources.Workspace; |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.core.tests.harness.FileSystemHelper; |
| import org.eclipse.core.tests.resources.ResourceTest; |
| |
| public class Bug_265810 extends ResourceTest { |
| |
| protected final static String VARIABLE_NAME = "ROOT"; |
| private final ArrayList<IPath> toDelete = new ArrayList<>(); |
| List<IResourceDelta> resourceDeltas = new ArrayList<>(); |
| |
| /** |
| * Constructor for Bug_265810. |
| */ |
| public Bug_265810() { |
| super(); |
| } |
| |
| /** |
| * Constructor for Bug_265810. |
| * @param name |
| */ |
| public Bug_265810(String name) { |
| super(name); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(Bug_265810.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| IPath base = super.getRandomLocation(); |
| toDelete.add(base); |
| super.setUp(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| IPath[] paths = toDelete.toArray(new IPath[0]); |
| toDelete.clear(); |
| for (IPath path : paths) { |
| Workspace.clear(path.toFile()); |
| } |
| super.tearDown(); |
| } |
| |
| /** |
| * @see org.eclipse.core.tests.harness.ResourceTest#getRandomLocation() |
| */ |
| @Override |
| public IPath getRandomLocation() { |
| IPath path = FileSystemHelper.computeRandomLocation(getTempDir()); |
| try { |
| path.toFile().createNewFile(); |
| } catch (IOException e) { |
| fail("can't create the file", e); |
| } |
| toDelete.add(path); |
| return path; |
| } |
| |
| public void testBug() { |
| |
| // create a project |
| IProject project = getWorkspace().getRoot().getProject(getUniqueString()); |
| try { |
| project.create(new NullProgressMonitor()); |
| project.open(new NullProgressMonitor()); |
| } catch (CoreException e) { |
| fail("1.0", e); |
| } |
| |
| // create a linked resource |
| final IFile file = project.getFile(getUniqueString()); |
| // the file should not exist yet |
| assertDoesNotExistInWorkspace("2.0", file); |
| try { |
| file.createLink(getRandomLocation(), IResource.NONE, new NullProgressMonitor()); |
| file.setContents(getContents("contents for a file"), IResource.NONE, new NullProgressMonitor()); |
| } catch (CoreException e) { |
| fail("3.0", e); |
| } |
| |
| // save the .project [1] content |
| byte[] dotProject1 = storeDotProject(project); |
| |
| // create a new linked file |
| final IFile newFile = project.getFile("newFile"); |
| // the file should not exist yet |
| assertDoesNotExistInWorkspace("5.0", newFile); |
| try { |
| newFile.createLink(getRandomLocation(), IResource.NONE, new NullProgressMonitor()); |
| } catch (CoreException e) { |
| fail("6.0", e); |
| } |
| |
| // save the .project [2] content |
| byte[] dotProject2 = storeDotProject(project); |
| |
| try { |
| resourceDeltas = new ArrayList<>(); |
| getWorkspace().addResourceChangeListener(ll); |
| |
| // restore .project [1] |
| restoreDotProject(project, dotProject1); |
| |
| assertEquals("9.0", 1, resourceDeltas.size()); |
| assertEquals("9.1", newFile, resourceDeltas.get(0).getResource()); |
| assertEquals("9.2", IResourceDelta.REMOVED, resourceDeltas.get(0).getKind()); |
| } finally { |
| getWorkspace().removeResourceChangeListener(ll); |
| } |
| |
| // create newFile as a non-linked resource |
| try { |
| newFile.create(getContents("content"), IResource.NONE, new NullProgressMonitor()); |
| } catch (CoreException e1) { |
| fail("10.0", e1); |
| } |
| |
| try { |
| resourceDeltas = new ArrayList<>(); |
| getWorkspace().addResourceChangeListener(ll); |
| |
| // restore .project [2] |
| restoreDotProject(project, dotProject2); |
| |
| assertEquals("11.0", 1, resourceDeltas.size()); |
| assertEquals("11.1", newFile, resourceDeltas.get(0).getResource()); |
| assertEquals("11.2", IResourceDelta.REPLACED, resourceDeltas.get(0).getFlags() & IResourceDelta.REPLACED); |
| } finally { |
| getWorkspace().removeResourceChangeListener(ll); |
| } |
| } |
| |
| private byte[] storeDotProject(IProject project) { |
| byte[] buffer = new byte[2048]; |
| int bytesRead = 0; |
| byte[] doProject = new byte[0]; |
| |
| try { |
| InputStream iS = project.getFile(".project").getContents(); |
| bytesRead = iS.read(buffer); |
| iS.close(); |
| } catch (IOException e) { |
| fail("storing dotProject failed", e); |
| } catch (CoreException e) { |
| fail("storing dotProject failed", e); |
| } |
| |
| doProject = new byte[bytesRead]; |
| System.arraycopy(buffer, 0, doProject, 0, bytesRead); |
| |
| return doProject; |
| } |
| |
| private void restoreDotProject(IProject project, byte[] dotProject) { |
| try { |
| project.getFile(".project").setContents(new ByteArrayInputStream(dotProject), IResource.NONE, new NullProgressMonitor()); |
| } catch (CoreException e) { |
| fail("restoring dotProject failed", e); |
| } |
| } |
| |
| IResourceChangeListener ll = event -> { |
| try { |
| event.getDelta().accept(delta -> { |
| IResource resource = delta.getResource(); |
| if (resource instanceof IFile && !resource.getName().equals(".project")) { |
| addToResourceDelta(delta); |
| } |
| if (delta.getAffectedChildren().length > 0) { |
| return true; |
| } |
| return false; |
| }); |
| } catch (CoreException e) { |
| fail("listener failed", e); |
| } |
| }; |
| |
| boolean addToResourceDelta(IResourceDelta delta) { |
| return resourceDeltas.add(delta); |
| } |
| } |