// Copyright 2017 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --harmony-sharedarraybuffer // var sab = new SharedArrayBuffer(4); var sta = new Int8Array(sab); sta[0] = 5; var workerScript = `onmessage=function(msg) { postMessage(0); };`; var worker = new Worker(workerScript, {type: 'string'}); var value_obj = { valueOf: function() {worker.postMessage({sab:sab}, [sta.buffer]); return 5} } var value = Object.create(value_obj); assertThrows(function() {Atomics.exchange(sta, 0, value)}); assertThrows(function() {Atomics.compareExchange(sta, 0, 5, value)}); assertThrows(function() {Atomics.compareExchange(sta, 0, value, 5)}); assertThrows(function() {Atomics.add(sta, 0, value)}); assertThrows(function() {Atomics.sub(sta, 0, value)}); assertThrows(function() {Atomics.and(sta, 0, value)}); assertThrows(function() {Atomics.or(sta, 0, value)}); assertThrows(function() {Atomics.xor(sta, 0, value)}); var index_obj = { valueOf: function() {worker.postMessage({sab:sab}, [sta.buffer]); return 0} } var index = Object.create(index_obj); assertThrows(function() {Atomics.exchange(sta, index, 1)}); assertThrows(function() {Atomics.compareExchange(sta, index, 5, 2)}); assertThrows(function() {Atomics.add(sta, index, 3)}); assertThrows(function() {Atomics.sub(sta, index, 4)}); assertThrows(function() {Atomics.and(sta, index, 5)}); assertThrows(function() {Atomics.or(sta, index, 6)}); assertThrows(function() {Atomics.xor(sta, index, 7)});