assertThat(ClassUtil.getPrimitiveClassIfWrapper(Byte.class), is(sameClass(byte.class)));
    }

    /**
     *
     */
    @Test
    public void testGetWrapperClass() {
        assertThat(ClassUtil.getWrapperClass(int.class), is(sameClass(Integer.class)));
        assertThat(ClassUtil.getWrapperClass(String.class), is(nullValue()));