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33 lines
786 B
JavaScript
33 lines
786 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: 15.2.3.7-6-a-188
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description: >
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Object.defineProperties - 'O' is an Array, 'P' is an array index
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named property, 'P' is own data property that overrides an
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inherited data property (15.4.5.1 step 4.c)
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---*/
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var arr = [];
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assert.throws(TypeError, function() {
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Object.defineProperty(Array.prototype, "0", {
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value: 11,
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configurable: true
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});
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Object.defineProperty(arr, "0", {
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value: 12,
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configurable: false
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});
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Object.defineProperties(arr, {
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"0": {
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configurable: true
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}
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});
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});
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assert.sameValue(arr[0], 12, 'arr[0]');
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assert.sameValue(Array.prototype[0], 11, 'Array.prototype[0]');
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