@Test
public void testToString() {

  CopyListingFileStatus src = new CopyListingFileStatus(
      4344L, false, 2, 512 << 20, 1234L, 5678L, new FsPermission((short)0512),
      "dingo", "yaks", new Path("hdfs://localhost:4344"));
  src.toString();
  src = new CopyListingFileStatus();
  src.toString();
}