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// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
// Copyright (C) 2018 Amal Hussein. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomics.wait
description: >
Throws a TypeError if index arg can not be converted to an Integer
info: |
Atomics.wait( typedArray, index, value, timeout )
2. Let i be ? ValidateAtomicAccess(typedArray, index).
ValidateAtomicAccess( typedArray, requestIndex )
2. Let accessIndex be ? ToIndex(requestIndex).
ToIndex ( value )
2. Else,
a. Let integerIndex be ? ToInteger(value).
ToInteger(value)
1. Let number be ? ToNumber(argument).
Symbol --> Throw a TypeError exception.
includes: [atomicsHelper.js]
features: [Atomics, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray]
---*/
const RUNNING = 1;
$262.agent.start(`
const poisonedValueOf = {
valueOf: function() {
throw new Test262Error('should not evaluate this code');
}
};
const poisonedToPrimitive = {
[Symbol.toPrimitive]: function() {
throw new Test262Error("passing a poisoned object using @@ToPrimitive");
}
};
$262.agent.receiveBroadcast(function(sab) {
const i32a = new Int32Array(sab);
Atomics.add(i32a, ${RUNNING}, 1);
let status1 = "";
let status2 = "";
try {
Atomics.wait(i32a, Symbol("1"), poisonedValueOf, poisonedValueOf);
} catch (error) {
status1 = 'Symbol("1")';
}
try {
Atomics.wait(i32a, Symbol("2"), poisonedToPrimitive, poisonedToPrimitive);
} catch (error) {
status2 = 'Symbol("2")';
}
$262.agent.report(status1);
$262.agent.report(status2);
$262.agent.leaving();
});
`);
const i32a = new Int32Array(
new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
);
$262.agent.safeBroadcast(i32a);
$262.agent.waitUntil(i32a, RUNNING, 1);
// Try to yield control to ensure the agent actually started to wait.
$262.agent.tryYield();
assert.sameValue(
$262.agent.getReport(),
'Symbol("1")',
'$262.agent.getReport() returns "Symbol("1")"'
);
assert.sameValue(
$262.agent.getReport(),
'Symbol("2")',
'$262.agent.getReport() returns "Symbol("2")"'
);
assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(i32a, 0) returns 0');
reportCompare(0, 0);
|
