test262/test/built-ins/Atomics/wait/value-not-equal.js

51 lines
1.1 KiB
JavaScript

// 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: >
Returns "not-equal" when value arg does not match an index in the typedArray
info: |
Atomics.wait( typedArray, index, value, timeout )
3.Let v be ? ToInt32(value).
...
14.If v is not equal to w, then
a.Perform LeaveCriticalSection(WL).
b. Return the String "not-equal".
features: [Atomics, SharedArrayBuffer, TypedArray]
includes: [atomicsHelper.js]
---*/
function getReport() {
var r;
while ((r = $262.agent.getReport()) == null) {
$262.agent.sleep(100);
}
return r;
}
var value = 42;
$262.agent.start(
`
$262.agent.receiveBroadcast(function (sab) {
var int32Array = new Int32Array(sab);
$262.agent.report(Atomics.store(int32Array, 0, ${value}));
$262.agent.report(Atomics.wait(int32Array, 0, 0));
$262.agent.leaving();
})
`);
var int32Array = new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT));
$262.agent.broadcast(int32Array.buffer);
assert.sameValue(getReport(), value.toString());
assert.sameValue(getReport(), "not-equal");