blob: 5b52e625d9be55fc84f68b2fb17c3937cfc6f390 [file] [log] [blame]
// Copyright (c) 2013, 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 firstWhere(bool test(E element), {Object orElse()})
/// If none matches, the result of invoking the orElse function is returned.
/// @description Checks that the [orElse] function is invoked and
/// its result is returned if no element matches [test].
/// @author msyabro
import "../../../Utils/expect.dart";
main() {
var count = 0;
f () {
return 1;
var runes = new Runes('\x01\x02\x03\x04\x05\x06\x09');
var res = runes.firstWhere( (element) => false, orElse: f);
Expect.equals(1, count);
Expect.equals(1, res);
res = runes.firstWhere( (element) => element > 100, orElse: f);
Expect.equals(2, count);
Expect.equals(1, res);
runes = new Runes('');
res = runes.firstWhere( (element) => true, orElse: f);
Expect.equals(3, count);
Expect.equals(1, res);