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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: >
NaN timeout arg should result in an infinite timeout
info: |
Atomics.wait( typedArray, index, value, timeout )
4.Let q be ? ToNumber(timeout).
...
Undefined Return NaN.
5.If q is NaN, let t be +∞, else let t be max(q, 0)
includes: [atomicsHelper.js]
features: [Atomics, BigInt, SharedArrayBuffer, TypedArray]
---*/
const i64a = new BigInt64Array(
new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)
);
const RUNNING = 1;
$262.agent.start(`
$262.agent.receiveBroadcast(function(sab) {
const i64a = new BigInt64Array(sab);
Atomics.add(i64a, ${RUNNING}, 1n);
$262.agent.report(Atomics.wait(i64a, 0, 0n, NaN)); // NaN => +Infinity
$262.agent.leaving();
});
`);
$262.agent.safeBroadcast(i64a);
$262.agent.waitUntil(i64a, RUNNING, 1n);
// Try to yield control to ensure the agent actually started to wait.
$262.agent.tryYield();
assert.sameValue(Atomics.notify(i64a, 0), 1, 'Atomics.notify(i64a, 0) returns 1');
assert.sameValue($262.agent.getReport(), 'ok', '$262.agent.getReport() returns "ok"');
reportCompare(0, 0);
|
