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f756ff63c8
This PR adds some more tests for Array.fromAsync proposal. It includes most of the tests defined in https://github.com/es-shims/array-from-async/blob/main/test.mjs See:#3725
31 lines
759 B
JavaScript
31 lines
759 B
JavaScript
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-array.fromasync
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description: >
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Async-iterable awaits each input once with mapping callback
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includes: [asyncHelpers.js]
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flags: [async]
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features: [Array.fromAsync]
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---*/
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asyncTest(async function () {
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async function* generateInput () {
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yield* [ 0, 1, 2 ];
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}
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const input = generateInput();
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let awaitCounter = 0;
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await Array.fromAsync(input, v => {
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return {
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// This “then” method should occur three times:
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// one for each value from the input.
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then (resolve, reject) {
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awaitCounter ++;
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resolve(v);
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},
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};
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});
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assert.sameValue(awaitCounter, 3);
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});
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