| /* |
| * 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 |
| * Float32List.view( |
| * ByteBuffer buffer, [ |
| * int byteOffset = 0, int length |
| * ]) |
| * ... |
| * If the length is not specified, it defaults to null, which indicates that |
| * the view extends to the end of the byte buffer. |
| * @description Checks that if the [length] is not specified, the view extends |
| * to the end of the byte buffer. |
| * @author msyabro |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List<double> array, int offset, int numberOfElements) { |
| double lastElement = array.last; |
| var tmp = new Float32List.fromList(array); |
| var byteBuffer = tmp.buffer; |
| var l = new Float32List.view(byteBuffer, offset); |
| Expect.equals(numberOfElements, l.length); |
| Expect.equals(lastElement, l[numberOfElements - 1]); |
| } |
| |
| main() { |
| 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 |
| ], 0, 18); |
| 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 |
| ], 4, 17); |
| 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 |
| ], 68, 1); |
| } |