*/
    @Test
    public void testContains() throws Exception {
        assertEquals("1", true, StringUtil.contains("a", 'a'));
        assertEquals("2", true, StringUtil.contains("abc", 'b'));
        assertEquals("3", false, StringUtil.contains("abc", 'd'));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testContains2() throws Exception {

        assertFalse(ArrayUtil.isEmpty(new Object[] { "" }));
        assertFalse(ArrayUtil.isEmpty(new Object[] { "aaa" }));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testContains() throws Exception {
        assertThat(ArrayUtil.contains(new Object[] { "1" }, "1"), is(true));
        assertThat(ArrayUtil.contains(new Object[] { "1" }, "2"), is(not(true)));