public void testToObjectArray() throws Exception {
        final Object[] a = ArrayUtil.toObjectArray(new int[] { 1, 5, 2 });
        assertArrayEquals(new Integer[] { new Integer(1), new Integer(5), new Integer(2) }, a);
    }

    /**
     * @throws Exception
     */
    @Test(expected = IllegalArgumentException.class)
    public void testToObjectArray_NoArray() throws Exception {
        ArrayUtil.toObjectArray("a");
    }