| // 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 |
| /// Float64List.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] is |
| /// negative. |
| /// @author msyabro |
| /// @issue 43196 |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List<double> array, int offset) { |
| var tmp = new Float64List.fromList(array); |
| var byteBuffer = tmp.buffer; |
| Expect.throws(() { Float64List.view(byteBuffer, offset); }); |
| } |
| |
| main() { |
| check([0.0], -5); |
| check([100.0, 50.0], -100); |
| check([ |
| 0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, |
| 14.0, 15.0, 16.0, 17.0 |
| ], -1); |
| } |