diff --git a/test/built-ins/Array/length/define-own-prop-length-error.js b/test/built-ins/Array/length/define-own-prop-length-error.js new file mode 100644 index 00000000000..fe40f7a8ec4 --- /dev/null +++ b/test/built-ins/Array/length/define-own-prop-length-error.js @@ -0,0 +1,24 @@ +// Copyright (C) 2023 Jordan Harband. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +author: Jordan Harband +esid: sec-arraysetlength +description: > + Setting an invalid array length throws a RangeError +info: | + ArraySetLength ( A, Desc ) + + [...] + 5. If SameValueZero(newLen, numberLen) is false, throw a RangeError exception. + [...] +---*/ + +assert.throws(RangeError, function () { + Object.defineProperty([], 'length', { value: -1, configurable: true }); +}); + +assert.throws(RangeError, function () { + // the string is intentionally "computed" here to ensure there are no optimization bugs + Object.defineProperty([], 'len' + 'gth', { value: -1, configurable: true }); +});