CloseableUtil.close(out);
        assertThat(out.getNotify(), is("closed"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCloseNull() throws Exception {
        CloseableUtil.close((OutputStream) null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testClose_noThrowIOException() throws Exception {

    TestReader in = new TestReader(TestOption.CLOSE_THROWS);
    Closeables.closeQuietly(in);
    assertTrue(in.closed());
  }

  public void testCloseNull() throws IOException {
    Closeables.close(null, true);
    Closeables.close(null, false);
  }

  public void testCloseQuietlyNull_inputStream() {
    Closeables.closeQuietly((InputStream) null);
  }