// Copyright (C) 2018 Amal Hussein. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-atomics.wake
description: >
  An undefined index arg should translate to 0
info: |
  Atomics.wake( typedArray, index, count )

  2.Let i be ? ValidateAtomicAccess(typedArray, index).
    ...
      2.Let accessIndex be ? ToIndex(requestIndex).

      9.If IsSharedArrayBuffer(buffer) is false, throw a TypeError exception.
        ...
          3.If bufferData is a Data Block, return false

          If value is undefined, then
          Let index be 0.
includes: [atomicsHelper.js]
features: [Atomics, SharedArrayBuffer, TypedArray]
---*/

$262.agent.start(`
  $262.agent.receiveBroadcast(function(sab) {
    const i32a = new Int32Array(sab);
    $262.agent.report(Atomics.wait(i32a, 0, 0, 200));
    $262.agent.leaving();
  });
`);

$262.agent.start(`
  $262.agent.receiveBroadcast(function(sab) {
    const i32a = new Int32Array(sab);
    $262.agent.report(Atomics.wait(i32a, 0, 0, 200));
    $262.agent.leaving();
  });
`);

const i32a = new Int32Array(
  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
);

$262.agent.broadcast(i32a.buffer);
$262.agent.sleep(100); // halfway through timeout

// wake at index 0, undefined => 0
assert.sameValue(
  Atomics.wake(i32a, undefined, 1),
  1,
  'Atomics.wake(i32a, undefined, 1) returns 1'
);
assert.sameValue(getReport(), 'ok', 'getReport() returns "ok"');


// wake again at index 0, default => 0
assert.sameValue(
  Atomics.wake(i32a /*, default values used */),
  1,
  'Atomics.wake(i32a /*, default values used */) returns 1'
);
assert.sameValue(getReport(), 'ok', 'getReport() returns "ok"');