code: /** 
   * The test 
   */
  public void testRootPath(){
    try {
      FSUtils.validateRootPath(new Path("file:///tmp/hbase/hbase"));
    }
   catch (  IOException e) {
      LOG.fatal("Unexpected exception checking valid path:",e);
      fail();
    }
    try {
      FSUtils.validateRootPath(new Path("hdfs://a:9000/hbase"));
    }
   catch (  IOException e) {
      LOG.fatal("Unexpected exception checking valid path:",e);
      fail();
    }
    try {
      FSUtils.validateRootPath(new Path("/hbase"));
      fail();
    }
   catch (  IOException e) {
      LOG.info("Got expected exception when checking invalid path:",e);
    }
  }
  