assertSame(valueRefOne, entryOne.getValueReference());

      Object keyTwo = new Object();
      Object valueTwo = new Object();
      int hashTwo = map.hash(keyTwo);
      ReferenceEntry<Object, Object> entryTwo = map.newEntry(keyTwo, hashTwo, entryOne);
      ValueReference<Object, Object> valueRefTwo = map.newValueReference(entryTwo, valueTwo, 1);
      assertSame(valueTwo, valueRefTwo.get());