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// |reftest| async
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.fromasync
description: >
Async-iterable awaits each input once with mapping callback
includes: [asyncHelpers.js]
flags: [async]
features: [Array.fromAsync]
---*/
asyncTest(async function () {
async function* generateInput () {
yield* [ 0, 1, 2 ];
}
const input = generateInput();
let awaitCounter = 0;
await Array.fromAsync(input, v => {
return {
// This “then” method should occur three times:
// one for each value from the input.
then (resolve, reject) {
awaitCounter ++;
resolve(v);
},
};
});
assert.sameValue(awaitCounter, 3);
});