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// |reftest| async
// Copyright 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
author: Maya Lekova <mslekova@chromium.org>
esid: await
description: >
Await on async functions and builtin Promises are properly interleaved,
meaning await takes only 1 tick on the microtask queue.
flags: [async]
features: [async-functions]
includes: [compareArray.js]
---*/
const actual = [];
const expected = [
'Await: 1',
'Promise: 1',
'Await: 2',
'Promise: 2'
];
async function pushAwait(value) {
actual.push('Await: ' + value);
}
async function callAsync() {
await pushAwait(1);
await pushAwait(2);
}
function checkAssertions() {
assert.compareArray(actual, expected,
'Async/await and promises should be interleaved');
}
callAsync();
new Promise(function (resolve) {
actual.push('Promise: 1');
resolve();
}).then(function () {
actual.push('Promise: 2');
}).then(checkAssertions).then($DONE, $DONE);