| // 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 |
| /// Float32x4List.view( |
| /// ByteBuffer buffer, [ |
| /// int byteOffset = 0, |
| /// int length |
| /// ]) |
| /// Changes in the [Float32x4List] will be visible in the byte buffer and vice |
| /// versa. |
| /// @description Checks that changes in the [Float32x4List] will be visible in |
| /// the byte buffer and vice versa. |
| /// @author msyabro |
| |
| |
| 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; |
| } |
| |
| main() { |
| var tmp = new Float32x4List.fromList([pack(0.0), pack(0.0), pack(0.0)]); |
| var byteBuffer = tmp.buffer; |
| var l = new Float32x4List.view(byteBuffer, 0, 3); |
| |
| tmp[0] = pack(1.0); |
| Expect.isTrue(equal(tmp[0], l[0])); |
| l[1] = pack(2.0); |
| Expect.isTrue(equal(l[1], tmp[1])); |
| } |