| // 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 |
| /// ]) |
| /// ... |
| /// If the [offsetInBytes] index of the region is not specified, it defaults to |
| /// zero (the first byte in the byte buffer). |
| /// @description Checks that if the [offsetInBytes] is not specified, it defaults |
| /// to zero. |
| /// @author msyabro |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List<int> array, int length, int firstElement, int lastElement) { |
| var tmp = new Int8List.fromList(array); |
| var byteBuffer = tmp.buffer; |
| var l = new ByteData.view(byteBuffer); |
| Expect.equals(length, l.lengthInBytes); |
| Expect.equals(firstElement, l.getInt8(0)); |
| Expect.equals(lastElement, l.getInt8(length - 1)); |
| } |
| |
| main() { |
| check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], |
| 18, 0, 17); |
| check([0], 1, 0, 0); |
| check([100, 50], 2, 100, 50); |
| } |