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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/fromAsync/this-non-constructor.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/fromAsync/this-non-constructor.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/this-non-constructor.js b/js/src/tests/test262/built-ins/Array/fromAsync/this-non-constructor.js new file mode 100644 index 0000000000..10934a855a --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/fromAsync/this-non-constructor.js @@ -0,0 +1,49 @@ +// |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: > + Constructs an intrinsic Array if this-value is not a constructor, and length + and element properties are set accordingly. +info: | + 3.e. If IsConstructor(_C_) is *true*, then + ... + f. Else, + i. Let _A_ be ! ArrayCreate(0). + + ... + j. If _iteratorRecord_ is not *undefined*, then + ... + k. Else, + ... + iv. If IsConstructor(_C_) is *true*, then + ... + v. Else, + 1. Let _A_ be ? ArrayCreate(_len_). +includes: [compareArray.js, asyncHelpers.js] +flags: [async] +features: [Array.fromAsync] +---*/ + +asyncTest(async function () { + const thisValue = { + length: 4000, + 0: 32, + 1: 64, + 2: 128 + }; + + let result = await Array.fromAsync.call(thisValue, [1, 2]); + assert(Array.isArray(result), "result is an intrinsic Array"); + assert.compareArray(result, [1, 2], "result is not disrupted by properties of this-value"); + + result = await Array.fromAsync.call(thisValue, { + length: 2, + 0: 1, + 1: 2 + }); + assert(Array.isArray(result), "result is an intrinsic Array"); + assert.compareArray(result, [1, 2], "result is not disrupted by properties of this-value"); +}); |