@Override
  public boolean exists(String path) throws IOException {
    path = stripPath(path);
    File file = new File(path);
    return file.exists();
  }
@Test
  public void exists() throws IOException {
    String filepath = PathUtils.concatPath(mLocalUfsRoot, getUniqueFileName());
    mLocalUfs.create(filepath).close();

    assertTrue(mLocalUfs.isFile(filepath));

    mLocalUfs.deleteFile(filepath);

    assertFalse(mLocalUfs.isFile(filepath));
  }