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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/toReversed/length-exceeding-array-length-limit.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/toReversed/length-exceeding-array-length-limit.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/toReversed/length-exceeding-array-length-limit.js b/js/src/tests/test262/built-ins/Array/prototype/toReversed/length-exceeding-array-length-limit.js new file mode 100644 index 0000000000..ec74266b19 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/toReversed/length-exceeding-array-length-limit.js @@ -0,0 +1,40 @@ +// Copyright (C) 2021 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.toReversed +description: > + Array.prototype.toReversed limits the length to 2 ** 32 - 1 +info: | + Array.prototype.toReversed ( ) + + ... + 2. Let len be ? LengthOfArrayLike(O). + 3. Let A be ? ArrayCreate(𝔽(len)). + ... + + ArrayCreate ( length [, proto ] ) + + 1. If length > 2 ** 32 - 1, throw a RangeError exception. +features: [change-array-by-copy, exponentiation] +---*/ + +// Object with large "length" property +var arrayLike = { + get "0"() { + throw new Test262Error("Get 0"); + }, + get "4294967295" () { // 2 ** 32 - 1 + throw new Test262Error("Get 2147483648"); + }, + get "4294967296" () { // 2 ** 32 + throw new Test262Error("Get 2147483648"); + }, + length: 2 ** 32 +}; + +assert.throws(RangeError, function() { + Array.prototype.toReversed.call(arrayLike); +}); + +reportCompare(0, 0); |