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28 lines
954 B
JavaScript
28 lines
954 B
JavaScript
// Copyright (c) 2012 Ecma International. 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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es5id: 15.2.3.6-4-170
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description: >
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Object.defineProperty - 'O' is an Array, 'name' is the length
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property of 'O', the [[Value]] field of 'desc' is less than value
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of the length property and also lesser than an index of the array
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which is set to configurable: false, test that new length is set
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to a value greater than the non-deletable index by 1, writable
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attribute of length is set to false and TypeError exception is
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thrown (15.4.5.1 step 3.l.ii)
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---*/
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var arrObj = [0, 1];
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assert.throws(TypeError, function() {
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Object.defineProperty(arrObj, "1", {
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configurable: false
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});
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Object.defineProperty(arrObj, "length", {
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value: 1
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});
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});
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assert.sameValue(arrObj.length, 2, 'arrObj.length');
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assert(arrObj.hasOwnProperty("1"), 'arrObj.hasOwnProperty("1") !== true');
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