mirror of https://github.com/tc39/test262.git
42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
// 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');
|