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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-promise.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-promise.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-promise.js b/js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-promise.js new file mode 100644 index 0000000000..141ce7f08c --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-promise.js @@ -0,0 +1,32 @@ +// |reftest| async +// Copyright (C) 2022 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.fromasync +description: > + Array.fromAsync tries the various properties in order and awaits promises +includes: [asyncHelpers.js, compareArray.js, temporalHelpers.js] +flags: [async] +features: [Array.fromAsync] +---*/ + +asyncTest(async function () { + const actual = []; + const items = TemporalHelpers.propertyBagObserver(actual, { + length: 2, + 0: Promise.resolve(2), + 1: Promise.resolve(1), + }, "items"); + const result = await Array.fromAsync(items); + assert.compareArray(result, [2, 1]); + assert.compareArray(actual, [ + "get items[Symbol.asyncIterator]", + "get items[Symbol.iterator]", + "get items.length", + "get items.length.valueOf", + "call items.length.valueOf", + "get items[0]", + "get items[1]", + ]); +}); |