mirror of https://github.com/tc39/test262.git
28 lines
667 B
JavaScript
28 lines
667 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: Non-iterable with thenables awaits each input value once without 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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const expectedValue = {};
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let awaitCounter = 0;
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const inputThenable = {
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then (resolve, reject) {
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awaitCounter ++;
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resolve(expectedValue);
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},
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};
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const input = {
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length: 1,
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0: inputThenable,
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};
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await Array.fromAsync(input);
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assert.sameValue(awaitCounter, 1);
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});
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