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import {expect} from '@esm-bundle/chai';import {SinonFakeTimers, useFakeTimers} from 'sinon';import {sleep} from './sleep';import {AbortError} from './abort-error';
let clock: SinonFakeTimers;setup(() => {  clock = useFakeTimers(0);});
teardown(() => {  clock.restore();});
test('sleep', async () => {  let callCount = 0;  const p = (async () => {    await sleep(100);    callCount++;  })();  await clock.tickAsync(99);  expect(Date.now()).to.equal(99);  expect(callCount).to.equal(0);
  await clock.tickAsync(1);  expect(callCount).to.equal(1);  expect(Date.now()).to.equal(100);
  await clock.tickAsync(100);  expect(callCount).to.equal(1);  expect(Date.now()).to.equal(200);
  await p;  expect(Date.now()).to.equal(200);});
test('sleep abort', async () => {  const controller = new AbortController();  const p = sleep(100, controller.signal);  controller.abort();  let e;  try {    expect(Date.now()).to.equal(0);    await p;  } catch (err) {    e = err;  }  expect(Date.now()).to.equal(0);
  expect(e).to.be.instanceof(AbortError);
  await clock.tickAsync(100);  expect(Date.now()).to.equal(100);
  await clock.tickAsync(100);  expect(Date.now()).to.equal(200);});