Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
23 lines
635 B
Dart
23 lines
635 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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// @dart = 2.9
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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.throwsStateError(() => queue2.single);
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Expect.throwsStateError(() => queue3.single);
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}
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