Bob Nystrom
edee53f93d
What is dead may never die. Change-Id: I80ef766b8ce2b6e1416df8e1f9b91fb74169dc79 Reviewed-on: https://dart-review.googlesource.com/7483 Reviewed-by: William Hesse <whesse@google.com>
21 lines
647 B
Dart
21 lines
647 B
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library queue.single.test;
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import "package:expect/expect.dart";
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import 'dart:collection' show Queue;
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main() {
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Queue<int> queue1 = new Queue<int>();
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queue1.add(42);
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Queue queue2 = new Queue();
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queue2..add(11)..add(12)..add(13);
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Queue queue3 = new Queue();
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Expect.equals(42, queue1.single);
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Expect.throws(() => queue2.single, (e) => e is StateError);
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Expect.throws(() => queue3.single, (e) => e is StateError);
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}
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