String[] ret = ClassUtil.splitPackageAndShortClassName("aaa.Hoge");
        assertThat(ret[0], is("aaa"));
        assertThat(ret[1], is("Hoge"));
        ret = ClassUtil.splitPackageAndShortClassName("Hoge");
        assertThat(ret[0], is(nullValue()));
        assertThat(ret[1], is("Hoge"));
    }

    /**
     *
     */
    @Test
    public void testConvertClass() {