assertThat(ClassUtil.getSimpleClassName(String[][].class), is("java.lang.String[][]"));
    }

    /**
     *
     */
    @Test
    public void testConcatName() {
        assertThat(ClassUtil.concatName("aaa", "bbb"), is("aaa.bbb"));
        assertThat(ClassUtil.concatName("aaa", null), is("aaa"));
        assertThat(ClassUtil.concatName("aaa", ""), is("aaa"));