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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 generator functions and builtin Promises are properly
interleaved, meaning await takes only 1 tick on the microtask queue.
flags: [async]
features: [async-functions, async-iteration]
includes: [compareArray.js]
---*/
const actual = [];
const expected = [ 'await', 1, 'await', 2 ];
const iterations = 2;
async function pushAwait() {
actual.push('await');
}
async function* callAsync() {
for (let i = 0; i < iterations; i++) {
await pushAwait();
}
return 0;
}
function checkAssertions() {
assert.compareArray(actual, expected,
'Async/await and promises should be interleaved');
}
callAsync().next();
new Promise(function (resolve) {
actual.push(1);
resolve();
}).then(function () {
actual.push(2);
}).then(checkAssertions).then($DONE, $DONE);