test262/test/built-ins/Atomics/wake/good-views.js

28 lines
878 B
JavaScript

// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Test Atomics.wait on arrays that allow atomic operations,
in an Agent that is allowed to wait. There is only the one Agent.
includes: [testAtomics.js]
---*/
var sab = new SharedArrayBuffer(1024);
var ab = new ArrayBuffer(16);
var int_views = [Int32Array];
var view = new Int32Array(sab, 32, 20);
view[0] = 0;
assert.sameValue(Atomics.wake(view, 0, 1), 0);
// In-bounds boundary cases for indexing
testWithAtomicsInBoundsIndices(function(IdxGen) {
let Idx = IdxGen(view);
view.fill(0);
// Atomics.store() computes an index from Idx in the same way as other
// Atomics operations, not quite like view[Idx].
Atomics.store(view, Idx, 37);
assert.sameValue(Atomics.wake(view, Idx, 1), 0);
});