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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 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomics.notify
description: >
Test that Atomics.notify on awoken waiter is a noop.
includes: [atomicsHelper.js]
features: [Atomics, SharedArrayBuffer, TypedArray]
---*/
const RUNNING = 1;
const TIMEOUT = $262.agent.timeouts.long;
$262.agent.start(`
$262.agent.receiveBroadcast(function(sab) {
const i32a = new Int32Array(sab);
Atomics.add(i32a, ${RUNNING}, 1);
$262.agent.report(Atomics.wait(i32a, 0, 0, ${TIMEOUT}));
$262.agent.leaving();
});
`);
const i32a = new Int32Array(
new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 2)
);
$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(Atomics.notify(i32a, 0, 1), 1, 'Atomics.notify(i32a, 0, 1) returns 1');
assert.sameValue($262.agent.getReport(), 'ok', '$262.agent.getReport() returns "ok"');
// Already notified, this should be a noop
assert.sameValue(Atomics.notify(i32a, 0, 1), 0, 'Atomics.notify(i32a, 0, 1) returns 0');
reportCompare(0, 0);
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