| // 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 |
| /// ]) |
| /// Throws RangeError if offsetInBytes or length are negative, or if |
| /// offsetInBytes + (length * elementSizeInBytes) is greater than the length of |
| /// buffer. |
| /// @description Checks that if offsetInBytes + (length * elementSizeInBytes) |
| /// is greater than the length of buffer then an error is thrown. |
| /// @author ngl@unipro.ru |
| /// @issue 43196 |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2V(v) => new Float64x2.splat(v); |
| |
| void check(List<Float64x2> list, int offsetInEl, length) { |
| var el_size = Float64x2List.bytesPerElement; |
| Float64x2List tmp = new Float64x2List.fromList(list); |
| var byteBuffer = tmp.buffer; |
| Expect.throws( |
| () { Float64x2List.view(byteBuffer, offsetInEl * el_size, length); }); |
| } |
| |
| main() { |
| check([ |
| f64x2V(5.0), f64x2V(6.0), f64x2V(7.0), f64x2V(8.0), f64x2V(9.0), |
| f64x2V(10.0), f64x2V(11.0), f64x2V(12.0), f64x2V(13.0), f64x2V(14.0), |
| f64x2V(15.0), f64x2V(16.0), f64x2V(17.0) |
| ], 4, 16); |
| check([f64x2V(0.0), f64x2V(1.0), f64x2V(2.0)], 2, 2); |
| check([f64x2V(10.0), f64x2V(11.0)], 0, 3); |
| } |