@Test
public void testAsArray2() {

    Object[] objects = new Object[] { Integer.valueOf(12), null, Integer.valueOf(22), Integer.valueOf(42) };
    String[] array = RenderKitUtils.asArray(objects);
    String[] etalon = new String[] { "12", null, "22", "42" };
    assertTrue(Arrays.equals(etalon, array));
}