js/src/tests/non262/AsyncIterator/prototype/reduce/interleaving-calls.js


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// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))

const log = [];
async function* gen(n) {
  log.push(`${n}`);
  yield 1;
  log.push(`${n}`);
  yield 2;
}

Promise.all([gen(1).reduce(() => {}, 0), gen(2).reduce(() => {}, 0)]).then(
  () => {
    assertEq(
      log.join(' '),
      '1 2 1 2',
    );
  },
  err => {
    throw err;
  }
);

if (typeof reportCompare === 'function')
  reportCompare(0, 0);