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

43 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 ? ToBigInt64(value).
...
14.If v is not equal to w, then
a.Perform LeaveCriticalSection(WL).
b. Return the String "not-equal".
includes: [atomicsHelper.js]
features: [Atomics, BigInt, SharedArrayBuffer, TypedArray]
---*/
var value = 42;
$262.agent.start(`
$262.agent.receiveBroadcast(function(sab) {
const i64a = new BigInt64Array(sab);
$262.agent.report(Atomics.store(i64a, 0, ${value}));
$262.agent.report(Atomics.wait(i64a, 0, 0));
$262.agent.leaving();
});
`);
const i64a = new BigInt64Array(
new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 8)
);
$262.agent.broadcast(i64a.buffer);
$262.agent.sleep(100);
assert.sameValue($262.agent.getReport(), value.toString());
assert.sameValue($262.agent.getReport(), 'not-equal');