| /* |
| * 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 |
| * ]) |
| * Throws [RangeError] if [offsetInBytes] or [length] are negative, or if |
| * [offsetInBytes] + ([length] * elementSizeInBytes) is greater than the length |
| * of [buffer]. |
| * @description Checks that an error is thrown if [offsetInBytes] + |
| * ([length] * elementSizeInBytes) is greater than the length of [buffer]. |
| * @author msyabro |
| * @issue 43196 |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float32x4 pack(v) => new Float32x4.splat(v); |
| |
| void check(List<Float32x4> array, int offset, int length) { |
| var tmp = new Float32x4List.fromList(array); |
| var byteBuffer = tmp.buffer; |
| Expect.throws(() { Float32x4List.view(byteBuffer, offset, length); }); |
| } |
| |
| main() { |
| check([], 0, 1); |
| check([pack(0.0)], 0, 5); |
| check([pack(0.0)], 1, 2); |
| check([pack(100.0), pack(50.0)], 2 * 16, 1); |
| check([pack(100.0), pack(50.0)], 4, 20); |
| 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) |
| ], 20, 20); |
| } |