MoreFiles.deleteDirectoryContents(symlink, ALLOW_INSECURE);
      assertEquals(0, MoreFiles.listFiles(dir).size());
    }
  }

  /**
   * This test attempts to create a situation in which one thread is constantly changing a file from
   * being a real directory to being a symlink to another directory. It then calls

      MoreFiles.deleteDirectoryContents(symlink, ALLOW_INSECURE);
      assertEquals(0, MoreFiles.listFiles(dir).size());
    }
  }

  /**
   * This test attempts to create a situation in which one thread is constantly changing a file from
   * being a real directory to being a symlink to another directory. It then calls

   *     specified
   * @throws IOException if one or more files can't be deleted for any reason
   */
  public static void deleteDirectoryContents(Path path, RecursiveDeleteOption... options)
      throws IOException {
    Collection<IOException> exceptions = null; // created lazily if needed
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(path)) {

   *     specified
   * @throws IOException if one or more files can't be deleted for any reason
   */
  public static void deleteDirectoryContents(Path path, RecursiveDeleteOption... options)
      throws IOException {
    Collection<IOException> exceptions = null; // created lazily if needed
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(path)) {