// Copyright (c) 2012, 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.

main() {
  List<int> list1 = <int>[1, 2, 3];
  List<int> list2 = const <int>[4, 5];
  List<String> list3 = <String>[];
  Set<int> set1 = new Set<int>();
  set1..add(11)
      ..add(12)
      ..add(13);
  Set set2 = new Set();

  Expect.equals(3, list1.last);
  Expect.equals(5, list2.last);
  Expect.throws(() => list3.last, (e) => e is StateError);

  Expect.isTrue(set1.contains(set1.last));

  Expect.throws(() => set2.last, (e) => e is StateError);
}
