@Test(expected=UnsupportedOperationException.class)
public void basicRootDirTestsWithZipInputStream() throws IOException
{

  File baseDir = new File("fileSystemTest/app2.zip");
  ICloseableDirectory dir = FileSystem.getFSRoot(new FileInputStream(baseDir));
  try {
    runBasicRootDirTests(dir, baseDir.length(), baseDir.lastModified());
  } finally {
    dir.close();
  }
}