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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-too-long.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-too-long.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-too-long.js b/js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-too-long.js new file mode 100644 index 0000000000..c634be42ec --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/fromAsync/asyncitems-arraylike-too-long.js @@ -0,0 +1,32 @@ +// |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: > + Promise is rejected if the length of the array-like to copy is out of range +info: | + j. If _iteratorRecord_ is not *undefined*, then + ... + k. Else, + ... + iv. If IsConstructor(_C_) is *true*, then + ... + v. Else, + 1. Let _A_ be ? ArrayCreate(_len_). + + ArrayCreate, step 1: + 1. If _length_ > 2³² - 1, throw a *RangeError* exception. +includes: [asyncHelpers.js] +flags: [async] +features: [Array.fromAsync] +---*/ + +asyncTest(async function () { + const notConstructor = {}; + + await assert.throwsAsync(RangeError, () => Array.fromAsync.call(notConstructor, { + length: 4294967296 // 2³² + }), "Array-like with excessive length"); +}); |