Object[] target = ObjectArrays.toArrayImpl(list);
    assertEquals(reference.getClass(), target.getClass());
    assertTrue(Arrays.equals(reference, target));
  }

  public void testToArrayImpl2() {
    doTestToArrayImpl2(new ArrayList<Integer>(), new Integer[0], false);
    doTestToArrayImpl2(new ArrayList<Integer>(), new Integer[1], true);

    doTestToArrayImpl2(Lists.newArrayList(1), new Integer[0], false);