blob: 32a5533a6fbc3b02257464a72c26de93470c9b34 [file] [log] [blame]
// Copyright (c) 2011, 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 dynamic lastWhere(bool test(E value), {Object orElse()})
/// If [orElse] is omitted, it defaults to throwing a [StateError].
/// @description Checks that [StateError] is thrown when [orElse] is null and
/// none matches.
/// @author kaigorodov
import "dart:collection";
import "../../../Utils/expect.dart";
check(List list) {
DoubleLinkedQueue queue = new DoubleLinkedQueue.from(list);
Expect.throws(() { queue.lastWhere((var value) => false); },
(e) => e is StateError);
main() {
check(new List.empty());
check(new List.from([]));
check([1, 2, 3]);