public static void load(Configuration conf, InputStream is) throws IOException {
    conf.addResource(is);
  }
@Test
  public void constructors() throws Exception {
    Configuration conf = new Configuration(false);
    assertEquals(conf.size(), 0);

    byte[] bytes = "<configuration><property><name>a</name><value>A</value></property></configuration>".getBytes();
    InputStream is = new ByteArrayInputStream(bytes);
    conf = new Configuration(false);
    ConfigurationUtils.load(conf, is);
    assertEquals(conf.size(), 1);
    assertEquals(conf.get("a"), "A");
  }