| // 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 |
| /// ByteData.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 an error is thrown if [offsetInBytes] is |
| /// negative. |
| /// @author msyabro |
| /// @issue 43196 |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List<int> array, int offset) { |
| var tmp = new Int8List.fromList(array); |
| var byteBuffer = tmp.buffer; |
| Expect.throws(() { ByteData.view(byteBuffer, offset); }); |
| } |
| |
| main() { |
| check([0], -5); |
| check([100, 50], -100); |
| check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], -1); |
| } |