/** Tests creating a linked folder under a virtual folder */
  public void testCreateLinkedFolderUnderVirtualFolder() {
    // get a non-existing location
    IPath location = getRandomLocation();
    IFolder linkedFolder = existingVirtualFolderInExistingProject.getFolder(getUniqueString());

    try {
      linkedFolder.createLink(location, IResource.ALLOW_MISSING_LOCAL, getMonitor());
    } catch (CoreException e) {
      fail("1.0", e);
    }

    assertTrue("2.0", linkedFolder.exists());
    assertEquals("3.0", location, linkedFolder.getLocation());
    assertTrue("4.0", !location.toFile().exists());

    // getting children should succeed (and be empty)
    try {
      assertEquals("5.0", 0, linkedFolder.members().length);
    } catch (CoreException e) {
      fail("6.0", e);
    }

    // delete should succeed
    try {
      linkedFolder.delete(IResource.NONE, getMonitor());
    } catch (CoreException e) {
      fail("7.0", e);
    }
  }
  public void testVirtualFolderInLinkedFolder() {
    // setup handles
    IFolder topFolder = existingProject.getFolder("topFolder");
    IFolder linkedFolder = topFolder.getFolder("linkedFolder");
    IFolder subFolder = linkedFolder.getFolder("subFolder");
    IFolder virtualFolder = subFolder.getFolder("virtualFolder");

    IPath linkedFolderLocation = getRandomLocation();
    IPath subFolderLocation = linkedFolderLocation.append(subFolder.getName());

    try {
      try {
        // create the structure on disk
        linkedFolderLocation.toFile().mkdir();
        subFolderLocation.toFile().mkdir();

        // create the structure in the workspace
        ensureExistsInWorkspace(topFolder, true);
        linkedFolder.createLink(linkedFolderLocation, IResource.NONE, getMonitor());
        virtualFolder.create(IResource.VIRTUAL, true, getMonitor());
      } catch (CoreException e) {
        fail("1.0", e);
      }

      // assert locations
      assertEquals("2.0", linkedFolderLocation, linkedFolder.getLocation());
      assertEquals(
          "3.0", linkedFolderLocation.append(subFolder.getName()), subFolder.getLocation());
      assertTrue("4.0", virtualFolder.isVirtual());
      assertTrue("5.0", virtualFolder.getLocation() == null);

      // assert URIs
      assertEquals("6.0", URIUtil.toURI(linkedFolderLocation), linkedFolder.getLocationURI());
      assertEquals("7.0", URIUtil.toURI(subFolderLocation), subFolder.getLocationURI());
      // assertTrue("8.0", virtualFolder.getLocationURI() == null);
    } finally {
      Workspace.clear(subFolderLocation.toFile());
      Workspace.clear(linkedFolderLocation.toFile());
    }
  }
  public void testDeleteProjectWithVirtualFolderAndLink() {
    IPath folderLocation = getRandomLocation();

    IFolder virtualFolder = existingProject.getFolder(getUniqueString());
    IFolder linkedFolder = virtualFolder.getFolder("a_link");

    try {
      try {
        folderLocation.toFile().mkdir();
        virtualFolder.create(IResource.VIRTUAL, true, null);
        linkedFolder.createLink(folderLocation, IResource.NONE, getMonitor());
        existingProject.delete(IResource.NEVER_DELETE_PROJECT_CONTENT, getMonitor());
        existingProject.create(getMonitor());
      } catch (CoreException e) {
        fail("1.0", e);
      }

      // virtual folder should not exist until the project is open
      assertTrue("2.0", !virtualFolder.exists());
      assertTrue("3.0", !linkedFolder.exists());

      try {
        existingProject.open(getMonitor());
      } catch (CoreException e) {
        fail("4.0", e);
      }

      // virtual folder should now exist
      assertTrue("5.0", virtualFolder.exists());
      assertTrue("6.0", virtualFolder.isVirtual());

      // link should now exist
      assertTrue("7.0", linkedFolder.exists());
      assertTrue("8.0", linkedFolder.isLinked());

      assertEquals("9.0", folderLocation, linkedFolder.getLocation());
    } finally {
      Workspace.clear(folderLocation.toFile());
    }
  }
  public void testLinkedFolderInVirtualFolder_FileStoreURI() {
    IPath folderLocation = getRandomLocation();
    IFolder folder = existingVirtualFolderInExistingProject.getFolder(getUniqueString());

    try {
      folder.createLink(folderLocation, IResource.ALLOW_MISSING_LOCAL, getMonitor());
    } catch (CoreException e) {
      fail("1.0", e);
    }

    assertTrue("2.0", folder.exists());
    assertEquals("3.0", folderLocation, folder.getLocation());
    assertTrue("4.0", !folderLocation.toFile().exists());

    // Check file store URI for the linked resource
    try {
      IFileStore fs = EFS.getStore(existingVirtualFolderInExistingProject.getLocationURI());
      fs = fs.getChild(folder.getName());
      assertNotNull("5.0", fs);
      assertNotNull("6.0", fs.toURI());
    } catch (CoreException e) {
      fail("7.0", e);
    }
  }
  public void testCopyProjectWithVirtualFolder() {
    IPath fileLocation = getRandomLocation();
    IPath folderLocation = getRandomLocation();

    IFile linkedFile = existingVirtualFolderInExistingProject.getFile(getUniqueString());
    IFolder linkedFolder = existingVirtualFolderInExistingProject.getFolder(getUniqueString());

    try {
      try {
        createFileInFileSystem(fileLocation, getRandomContents());
        folderLocation.toFile().mkdir();

        linkedFolder.createLink(folderLocation, IResource.NONE, getMonitor());
        linkedFile.createLink(fileLocation, IResource.NONE, getMonitor());
      } catch (CoreException e) {
        fail("1.0", e);
      }

      // copy the project
      IProject destinationProject = getWorkspace().getRoot().getProject("CopyTargetProject");
      try {
        existingProject.copy(destinationProject.getFullPath(), IResource.SHALLOW, getMonitor());
      } catch (CoreException e) {
        fail("2.0", e);
      }

      IFile newFile = destinationProject.getFile(linkedFile.getProjectRelativePath());
      assertTrue("3.0", newFile.isLinked());
      assertEquals("3.1", linkedFile.getLocation(), newFile.getLocation());
      assertTrue("3.2", newFile.getParent().isVirtual());

      IFolder newFolder = destinationProject.getFolder(linkedFolder.getProjectRelativePath());
      assertTrue("4.0", newFolder.isLinked());
      assertEquals("4.1", linkedFolder.getLocation(), newFolder.getLocation());
      assertTrue("4.2", newFolder.getParent().isVirtual());

      // test project deep copy
      try {
        destinationProject.delete(IResource.NONE, getMonitor());
        existingProject.copy(destinationProject.getFullPath(), IResource.NONE, getMonitor());
      } catch (CoreException e) {
        fail("5.0", e);
      }

      assertTrue("5.1", newFile.isLinked());
      assertEquals("5.2", linkedFile.getLocation(), newFile.getLocation());
      assertTrue("5.3", newFile.getParent().isVirtual());
      assertTrue("5.4", newFolder.isLinked());
      assertEquals("5.5", linkedFolder.getLocation(), newFolder.getLocation());
      assertTrue("5.6", newFolder.getParent().isVirtual());

      try {
        destinationProject.delete(IResource.NONE, getMonitor());
      } catch (CoreException e) {
        fail("6.0", e);
      }
    } finally {
      Workspace.clear(fileLocation.toFile());
      Workspace.clear(folderLocation.toFile());
    }
  }