blob: 6eac5e9efb6e490b1faaff1b5dfcff709270c513 [file] [log] [blame]
// 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([int compare(E key1, E key2),
/// bool isValidKey(potentialKey)])
/// ...
/// A provided compare function may not work on all objects. It may not even work
/// on all E instances.
/// For operations that add elements to the set, the user is supposed to not pass
/// in objects that doesn't work with the compare function.
/// @description Checks that provided compare function may not work on some
/// objects
/// @author
import "dart:collection";
import "../../../Utils/expect.dart";
int compare(String key1, String key2) {
return int.parse(key1) - int.parse(key2);
main() {
SplayTreeSet<String> set = new SplayTreeSet<String>(compare);
Expect.equals(4, set.length);
Expect.equals("1", set.elementAt(0));
Expect.equals("2", set.elementAt(1));
Expect.equals("3", set.elementAt(2));
Expect.equals("4", set.elementAt(3));