sclass Test_BetterLinkedHashSet {
  new LinkedHashSet a;
  new BetterLinkedHashSet b;

  O makeEntry() { ret random(10); }
  int n = 1000;
  
  run {
    repeat n {
      addToTwoCollections(a, b, makeEntry());
      removeFromTwoCollections(a, b, makeEntry());
      print(takeFirst(10, a.iterator());
      assertEquals(asList(a.iterator()), asList(b.iterator());
    }
  }
}

svoid test_BetterLinkedHashSet() {
  Test_BetterLinkedHashSet().run();
}