@Test
  public void testEnums() throws Exception {
    Basics obj = new Basics(123);
    out.writeObject(obj);
    in.resetForReuseUseArray(out.getCopyOfWrittenBuffer());
    out.flush();
    Basics res = (Basics) in.readObject();

    // note: fix false alarm with 1.7_71 + newer 1.8. (because stacktrace not serialized ofc)
    Object[] exceptions1 = res.exceptions;
    Object[] exceptions2 = obj.exceptions;
    res.exceptions = obj.exceptions = null;

    for (int i = 1; i < exceptions1.length; i++) {
      assertTrue(exceptions1[i].getClass() == exceptions2[i].getClass());
    }
    assertTrue(DeepEquals.deepEquals(obj, res));
  }