}

    /**
     *
     */
    @Test
    public void testGetPrimitiveClass() {
        assertThat(ClassUtil.getPrimitiveClass(Integer.class), is(sameClass(int.class)));
        assertThat(ClassUtil.getPrimitiveClass(String.class), is(nullValue()));
        assertThat(ClassUtil.getPrimitiveClass(Byte.class), is(sameClass(byte.class)));
    }

    /**
     *
     */
    @Test