for (Element key : map.keySet()) {
        Element value = map.get(key);
        dummy ^= key != value;
      }
    }
    return dummy;
  }

  @Benchmark
  boolean iterateValuesAndGet(int reps) {
    Map<Element, Element> map = mapToTest;

    boolean dummy = false;
    for (int i = 0; i < reps; i++) {
      for (Element key : map.values()) {