LibTest/typed_data/Float64x2/signMask_A01_t02.dart

// 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.

// @dart = 2.9

/// @assertion int signMask
/// Extract the sign bits from each lane return them in the first 2 bits. "x"
/// lane is bit 0. "y" lane is bit 1.
/// @description Checks that signMast is read-only and cannot be set.
/// @author ngl@unipro.ru


import "dart:typed_data";
import "../../../Utils/expect.dart";

main() {
  dynamic fl64x2 = new Float64x2(1.0, 2.0);
  try {
    fl64x2.signMask = 0;
    Expect.fail("signMask should be read-only");
  } on Error {}
}