@Test
public void direct() throws AttributeNotFoundException {

    int res = (Integer) extractObject(new Integer[]{1, 2, 3}, "2");
    assertEquals(res,3);
    Integer[] res2 = (Integer[]) extractObject(new Integer[]{1,2,3});
    assertEquals(res2.length,3);
    assertEquals((int) res2[0],1);
    assertEquals((int) res2[1],2);
    assertEquals((int) res2[2],3);
}