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

// Copyright (C) 2017 Mozilla Corporation.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-atomics.wake
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]
features: [SharedArrayBuffer, ArrayBuffer, DataView, Atomics, arrow-function, let, for-of]
---*/

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);
});