| // 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 int signMask |
| * Extract the top bit from each lane return them in the first 4 bits. "x" lane |
| * is bit 0. "y" lane is bit 1. "z" lane is bit 2. "w" lane is bit 3. |
| * @description Checks that the signMask is read-only and cannot be set. |
| * @author ngl@unipro.ru |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| dynamic obj = new Int32x4(1, 2, 3, 4); |
| Expect.throws(() { obj.signMask = 0; }, (e) => e is NoSuchMethodError); |
| } |
