Function runOneScheduledTick

test/syncEngineLoopResilience.test.js:112–138

(schedule)

}

async function runOneScheduledTick(schedule) {
  const realSetTimeout = global.setTimeout;
  const delays = [];
  let resolveDone;
  const done = new Promise((resolve) => { resolveDone = resolve; });
  global.setTimeout = (fn, delay) => {
    delays.push(delay);
    const timer = { unref: () => {} };
    if (delays.length === 1) {
      realSetTimeout(async () => {
        try {
          await fn();
        } finally {
          resolveDone();
        }
      }, 0);
    }
    return timer;
  };
  try {
    schedule();
    await done;
  } finally {
    global.setTimeout = realSetTimeout;
  }
  return delays;
}

async function waitFor(predicate, { timeoutMs = 2000, intervalMs = 25 } = {}) {
  const deadline = Date.now() + timeoutMs;