| /* |
| * 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]) |
| * Creates an [Float32x4List] _view_ of the specified region in |
| * the specified byte buffer. |
| * @description Checks that an instance of Float32x4List is created. |
| * @author msyabro |
| */ |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| pack(v) => new Float32x4.splat(v); |
| |
| void check(array, offset, length) { |
| var tmp = new Float32x4List.fromList(array); |
| var byteBuffer = tmp.buffer; |
| var l = new Float32x4List.view(byteBuffer, offset, length); |
| Expect.isTrue(l is Float32x4List); |
| } |
| |
| main() { |
| var elemSize = Float32x4List.BYTES_PER_ELEMENT; |
| check([],0,0); |
| check([pack(3.4028234663852886e38), pack(1.401298464324817e-45), pack(1.1754943508222875e-38)], 0, 3); |
| check([pack(1000.0), pack(1000.0), pack(1000.0)], 0, 3); |
| check([pack(0.0), pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), |
| pack(9.0), pack(10.0), pack(11.0), pack(12.0), pack(13.0), pack(14.0), pack(15.0), pack(16.0), pack(17.0)], 0, 18); |
| check([pack(0.0), pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), |
| pack(9.0), pack(10.0), pack(11.0), pack(12.0), pack(13.0), pack(14.0), pack(15.0), pack(16.0), pack(17.0)], 5 * elemSize, 13); |
| check([pack(0.0), pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), |
| pack(9.0), pack(10.0), pack(11.0), pack(12.0), pack(13.0), pack(14.0), pack(15.0), pack(16.0), pack(17.0)], 17 * elemSize, 1); |
| } |