assertThat(itr.hasNext(), is(not(true)));
    }

    /**
     * @throws Exception
     */
    @Test(expected = NullArgumentException.class)
    public void testConstructorWithNull() throws Exception {
        new EnumerationIterator<String>((Enumeration<String>) null);
    }

    /**
     * @throws Exception
     */
    @SuppressWarnings("unused")
    @Test