assertThat(ClassUtil.isAssignableFrom(int.class, Integer.class), is(true));
    }

    /**
     *
     */
    @Test
    public void testGetPackageName() {
        assertThat(ClassUtil.getPackageName(getClass()), is("org.codelibs.core.lang"));
    }

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