blob: 29654c6d29289b01a1fbfb150831a3c0ff82f0c5 [file] [log] [blame]
// 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.
// @dart = 2.9
library queue.single.test;
import "package:expect/expect.dart";
import 'dart:collection' show Queue;
main() {
Queue<int> queue1 = new Queue<int>();
Queue queue2 = new Queue();
Queue queue3 = new Queue();
Expect.equals(42, queue1.single);
Expect.throwsStateError(() => queue2.single);
Expect.throwsStateError(() => queue3.single);