| // Copyright (c) 2017, 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 |
| /// Float64x2List.view( |
| /// ByteBuffer buffer, [ |
| /// int offsetInBytes = 0, |
| /// int length |
| /// ]) |
| /// Changes in the Float64x2List will be visible in the byte buffer and vice |
| /// versa. |
| /// @description Checks that changes done in the Float64x2List is seen in the |
| /// buffer and vice versa. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2V(v) => new Float64x2.splat(v); |
| |
| main() { |
| var tmp = new Float64x2List.fromList([f64x2V(1.0), f64x2V(2.0), f64x2V(3.0)]); |
| var byteBuffer = tmp.buffer; |
| Float64x2List l = new Float64x2List.view(byteBuffer, 0, 3); |
| |
| l[0] = f64x2V(11.0); |
| tmp[1] = f64x2V(12.0); |
| |
| Expect.equals(l[0].x, tmp[0].x); |
| Expect.equals(l[0].y, tmp[0].y); |
| |
| Expect.equals(tmp[1].x, l[1].x); |
| Expect.equals(tmp[1].y, l[1].y); |
| } |