/*
 * Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion SplayTreeSet.from(Iterable elements, [int compare(E key1, E key2),
 * bool isValidKey(potentialKey)])
 * ...
 * The set works as if created by new SplayTreeSet<E>(compare, isValidKey).
 * @description Checks that if the compare function is omitted, it defaults to
 * Comparable.compare
 * @author sgrekhov@unipro.ru
 */
import "dart:collection";
import "../../../Utils/expect.dart";

main() {
  SplayTreeSet set = new SplayTreeSet.from([3, 4, 1, 2, 2.1]);
  Expect.equals(1, set.elementAt(0));
  Expect.equals(2, set.elementAt(1));
  Expect.equals(2.1, set.elementAt(2));
  Expect.equals(3, set.elementAt(3));
  Expect.equals(4, set.elementAt(4));

  set = new SplayTreeSet.from(["3", "4", "z", "1", "a", "2"]);
  Expect.equals("1", set.elementAt(0));
  Expect.equals("2", set.elementAt(1));
  Expect.equals("3", set.elementAt(2));
  Expect.equals("4", set.elementAt(3));
  Expect.equals("a", set.elementAt(4));
  Expect.equals("z", set.elementAt(5));
}