mirror of https://github.com/tc39/test262.git
70 lines
1.8 KiB
JavaScript
70 lines
1.8 KiB
JavaScript
// Copyright (C) 2018 Amal Hussein. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-atomics.wait
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description: >
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Throws a TypeError if value arg is a Symbol
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info: |
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Atomics.wait( typedArray, index, value, timeout )
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3. Let v be ? ToInt32(value).
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ToInt32(value)
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1.Let number be ? ToNumber(argument).
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Symbol --> Throw a TypeError exception.
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includes: [atomicsHelper.js]
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features: [Atomics, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray]
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---*/
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$262.agent.start(`
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const poisonedValueOf = {
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valueOf: function() {
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throw new Test262Error('should not evaluate this code');
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}
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};
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const poisonedToPrimitive = {
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[Symbol.toPrimitive]: function() {
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throw new Test262Error("passing a poisoned object using @@ToPrimitive");
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}
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};
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$262.agent.receiveBroadcast(function(sab) {
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const i32a = new Int32Array(sab);
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const before = $262.agent.monotonicNow();
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try {
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Atomics.wait(i32a, 0, Symbol("1"), poisonedValueOf);
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} catch (error) {
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$262.agent.report('Symbol("1")');
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}
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try {
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Atomics.wait(i32a, 0, Symbol("2"), poisonedToPrimitive);
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} catch (error) {
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$262.agent.report('Symbol("2")');
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}
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$262.agent.report($262.agent.monotonicNow() - before);
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$262.agent.leaving();
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});
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`);
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const i32a = new Int32Array(
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new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
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);
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$262.agent.broadcast(i32a.buffer);
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$262.agent.sleep(150);
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assert.sameValue($262.agent.getReport(), 'Symbol("1")');
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assert.sameValue($262.agent.getReport(), 'Symbol("2")');
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const lapse = $262.agent.getReport();
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assert(lapse >= 0, 'timeout should be a min of 0ms');
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assert(lapse <= $262.agent.MAX_TIME_EPSILON, 'timeout should be a max of $$262.agent.MAX_TIME_EPSILON');
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assert.sameValue(Atomics.wake(i32a, 0), 0);
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