text: // Copyright (C) 2018 Rick Waldron. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-atomics.wait
  description: >
    Get the correct WaiterList
  info: |
    Atomics.wait( typedArray, index, value, timeout )
  
    ...
    11. Let WL be GetWaiterList(block, indexedPosition).
    ...
  
  
    GetWaiterList( block, i )
  
    ...
    4. Return the WaiterList that is referenced by the pair (block, i).
  
  includes: [atomicsHelper.js]
  features: [Atomics, BigInt, SharedArrayBuffer, TypedArray]
  ---*/
  
  var NUMAGENT = 2;
  var RUNNING = 4;
  
  $262.agent.start(`
    $262.agent.receiveBroadcast(function(sab) {
      const i64a = new BigInt64Array(sab);
      Atomics.add(i64a, ${RUNNING}, 1n);
  
      // Wait on index 0
      $262.agent.report(Atomics.wait(i64a, 0, 0n, Infinity));
      $262.agent.leaving();
    });
  `);
  
  $262.agent.start(`
    $262.agent.receiveBroadcast(function(sab) {
      const i64a = new BigInt64Array(sab);
      Atomics.add(i64a, ${RUNNING}, 1n);
  
      // Wait on index 2
      $262.agent.report(Atomics.wait(i64a, 2, 0n, Infinity));
      $262.agent.leaving();
    });
  `);
  
  const i64a = new BigInt64Array(
    new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 5)
  );
  
  $262.agent.broadcast(i64a.buffer);
  
  // Wait until all agents started.
  $262.agent.waitUntil(i64a, RUNNING, BigInt(NUMAGENT));
  
  // Wake index 1, wakes nothing
  assert.sameValue(Atomics.wake(i64a, 1), 0, 'Atomics.wake(i64a, 1) returns 0');
  
  // Wake index 3, wakes nothing
  assert.sameValue(Atomics.wake(i64a, 3), 0, 'Atomics.wake(i64a, 3) returns 0');
  
  // Wake index 2, wakes 1
  var woken = 0;
  while ((woken = Atomics.wake(i64a, 2)) === 0) ;
  assert.sameValue(woken, 1, 'Atomics.wake(i64a, 2) returns 1');
  assert.sameValue($262.agent.getReport(), 'ok', '$262.agent.getReport() returns "ok"');
  
  // Wake index 0, wakes 1
  var woken = 0;
  while ((woken = Atomics.wake(i64a, 0)) === 0) ;
  assert.sameValue(woken, 1, 'Atomics.wake(i64a, 0) returns 1');
  assert.sameValue($262.agent.getReport(), 'ok', '$262.agent.getReport() returns "ok"');
  