mirror of https://github.com/tc39/test262.git
84 lines
1.9 KiB
JavaScript
84 lines
1.9 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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const RUNNING = 1;
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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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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.wait(i32a, 0, Symbol("1"), poisonedValueOf);
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} catch (error) {
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status1 = '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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status2 = 'Symbol("2")';
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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.safeBroadcast(i32a);
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$262.agent.waitUntil(i32a, RUNNING, 1);
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// Try to yield control to ensure the agent actually started to wait.
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$262.agent.tryYield();
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assert.sameValue(
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$262.agent.getReport(),
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'Symbol("1")',
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'$262.agent.getReport() returns "Symbol("1")"'
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);
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assert.sameValue(
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$262.agent.getReport(),
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'Symbol("2")',
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'$262.agent.getReport() returns "Symbol("2")"'
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);
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assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(i32a, 0) returns 0');
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