| /* |
| * 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 E lastWhere(bool test(E element), {E orElse()}) |
| * ... |
| * If no element satisfies test, the result of invoking the orElse function is |
| * returned. |
| * @description Checks that if no elements satisties test the [orElse] function |
| * is invoked and its result is returned if no element matches [test]. |
| * @author msyabro |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float32x4 pack(v) => new Float32x4.splat(v); |
| |
| var zero = new Float32x4.zero(); |
| |
| main() { |
| var count = 0; |
| Float32x4 f() { |
| count++; |
| return zero; |
| } |
| var l = new Float32x4List.fromList([ |
| pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(9.0) |
| ]); |
| var res = l.lastWhere((element) => false, orElse: f); |
| Expect.equals(1, count); |
| Expect.equals(zero, res); |
| |
| res = l.lastWhere((element) => element.z > 100.0, orElse: f); |
| Expect.equals(2, count); |
| Expect.equals(zero, res); |
| |
| l = new Float32x4List.fromList([]); |
| res = l.lastWhere((element) => true, orElse: f); |
| Expect.equals(3, count); |
| Expect.equals(zero, res); |
| } |