*/
    @Test
    public void testAddAll_int() throws Exception {
        final int[] array = new int[] { 111 };
        final int[] newArray = ArrayUtil.add(array, 222);
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is(111));
        assertThat(newArray[1], is(222));

        final int[] emptyArray = new int[0];
        assertThat(ArrayUtil.addAll((int[]) null, (int[]) null), is(nullValue()));