Files.createFile(fs.getPath("/dontdelete/c"));
    Files.createSymbolicLink(fs.getPath("/symlinktodir"), fs.getPath("work/dir"));
    return fs;
  }

  public void testDirectoryDeletion_basic() throws IOException {
    for (DirectoryDeleteMethod method : EnumSet.allOf(DirectoryDeleteMethod.class)) {
      try (FileSystem fs = newTestFileSystem(SECURE_DIRECTORY_STREAM)) {
        Path dir = fs.getPath("dir");