co.resume();
assertTrue(ints.isEmpty());
co.resume();
assertEquals(1, ints.size());
assertEquals(11, (int)ints.get(0));
co.resume();
assertEquals(3, ints.size());
assertEquals(11, (int)ints.get(0));
assertEquals(32, (int)ints.get(1));
assertEquals(11+32, (int)ints.get(2));
assertTrue(co.getStack().allObjsAreNull());