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25 lines
728 B
JavaScript
25 lines
728 B
JavaScript
// Copyright (C) 2023 Jordan Harband. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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author: Jordan Harband
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esid: sec-arraysetlength
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description: >
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Setting an invalid array length throws a RangeError
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info: |
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ArraySetLength ( A, Desc )
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[...]
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5. If SameValueZero(newLen, numberLen) is false, throw a RangeError exception.
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[...]
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---*/
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assert.throws(RangeError, function () {
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Object.defineProperty([], 'length', { value: -1, configurable: true });
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});
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assert.throws(RangeError, function () {
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// the string is intentionally "computed" here to ensure there are no optimization bugs
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Object.defineProperty([], 'len' + 'gth', { value: -1, configurable: true });
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});
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