mirror of https://github.com/tc39/test262.git
100 lines
2.6 KiB
JavaScript
100 lines
2.6 KiB
JavaScript
// Copyright (C) 2020 Rick Waldron. 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.waitasync
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description: >
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Throws a TypeError if index arg can not be converted to an Integer
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info: |
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Atomics.waitAsync( typedArray, index, value, timeout )
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1. Return DoWait(async, typedArray, index, value, timeout).
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DoWait ( mode, typedArray, index, value, timeout )
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2. Let i be ? ValidateAtomicAccess(typedArray, index).
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ValidateAtomicAccess( typedArray, requestIndex )
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2. Let accessIndex be ? ToIndex(requestIndex).
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ToIndex ( value )
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2. Else,
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a. Let integerIndex be ? ToInteger(value).
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ToInteger(value)
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1. Let number be ? ToNumber(argument).
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Symbol --> Throw a TypeError exception.
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flags: [async]
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includes: [atomicsHelper.js]
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features: [Atomics.waitAsync, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray, Atomics, arrow-function, async-functions]
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---*/
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assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
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const RUNNING = 1;
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$262.agent.start(`
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const poisonedValueOf = {
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valueOf() {
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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]() {
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throw new Test262Error('should not evaluate this code');
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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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Atomics.add(i32a, ${RUNNING}, 1);
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let status1 = '';
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let status2 = '';
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try {
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Atomics.waitAsync(i32a, Symbol('1'), poisonedValueOf, poisonedValueOf);
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} catch (error) {
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status1 = 'A ' + error.name;
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}
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try {
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Atomics.waitAsync(i32a, Symbol('2'), poisonedToPrimitive, poisonedToPrimitive);
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} catch (error) {
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status2 = 'B ' + error.name;
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}
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$262.agent.report(status1);
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$262.agent.report(status2);
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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.safeBroadcastAsync(i32a, RUNNING, 1).then(async (agentCount) => {
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assert.sameValue(agentCount, 1, 'The value of `agentCount` is 1');
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assert.sameValue(
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await $262.agent.getReportAsync(),
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'A TypeError',
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'(await $262.agent.getReportAsync()) resolves to the value "A TypeError"'
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);
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assert.sameValue(
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await $262.agent.getReportAsync(),
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'B TypeError',
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'(await $262.agent.getReportAsync()) resolves to the value "B TypeError"'
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);
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assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)), 0) must return 0');
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}).then($DONE, $DONE);
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