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// 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 int y
/// Extracts 32-bit mask from y lane.
/// @description Checks that [y] is read-only and can't be set.
/// @author msyabro
import "dart:typed_data";
import "../../../Utils/expect.dart";
main() {
dynamic obj = new Int32x4(0, 0, 0, 0);
Expect.throws(() { obj.y = 1; }, (e) => e is NoSuchMethodError);