| /* |
| * 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 first |
| * Returns the first element. |
| * @description Checks that [first] can be set. |
| * @author msyabro |
| * @author sgrekhov@unipro.ru |
| * @issue dart-lang/co19#130 |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float32x4 pack(v) => new Float32x4.splat(v); |
| |
| equal(obj1, obj2) { |
| var res = obj1.equal(obj2); |
| return res.flagX && res.flagY && res.flagZ && res.flagW; |
| } |
| |
| void check(List<Float32x4> array) { |
| dynamic l = new Float32x4List.fromList(array); |
| l.first = pack(3.14); |
| Expect.isTrue(equal(pack(3.14), l.first)); |
| } |
| void checkClear(int length) { |
| dynamic l = new Float32x4List(length); |
| l.first = pack(3.14); |
| Expect.isTrue(equal(pack(3.14), l.first)); |
| } |
| |
| main() { |
| check([pack(1.0)]); |
| check([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0)]); |
| check([ |
| pack(1.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), pack(0.0), |
| pack(0.0), pack(0.0), pack(0.0) |
| ]); |
| |
| checkClear(1); |
| checkClear(100); |
| } |