public static boolean validateMorePermissive(FsAction first, FsAction second) {
    if ((first == FsAction.ALL) || (second == FsAction.NONE)
      || (first == second)) {
      return true;
    }
    switch (first) {
    case READ_EXECUTE:
      return ((second == FsAction.READ) || (second == FsAction.EXECUTE));
    case READ_WRITE:
      return ((second == FsAction.READ) || (second == FsAction.WRITE));
    case WRITE_EXECUTE:
      return ((second == FsAction.WRITE) || (second == FsAction.EXECUTE));
    }
    return false;
  }
@Test
  public void testValidateMorePermissive() {
    assertConsistentFsPermissionBehaviour(FsAction.ALL, true, true, true, true, true, true, true, true);
    assertConsistentFsPermissionBehaviour(FsAction.READ, false, true, false, true, false, false, false, false);
    assertConsistentFsPermissionBehaviour(FsAction.WRITE, false, true, false, false, true, false, false, false);
    assertConsistentFsPermissionBehaviour(FsAction.EXECUTE, false, true, true, false, false, false, false, false);
    assertConsistentFsPermissionBehaviour(FsAction.READ_EXECUTE, false, true, true, true, false, true, false, false);
    assertConsistentFsPermissionBehaviour(FsAction.READ_WRITE, false, true, false, true, true, false, true, false);
    assertConsistentFsPermissionBehaviour(FsAction.WRITE_EXECUTE, false, true, true, false, true, false, false, true);
    assertConsistentFsPermissionBehaviour(FsAction.NONE, false, true, false, false, false, false, false, false);
  }