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