mirror of https://github.com/tc39/test262.git
36 lines
972 B
JavaScript
36 lines
972 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: 15.2.3.6-4-193
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description: >
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Object.defineProperty - 'O' is an Array, 'name' is an array index
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named property, 'name' is own data property that overrides an
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inherited accessor property, test TypeError is thrown when update
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the [[Configurable]] attribute to true and value of
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[[Configurable]] attribute of original is false (15.4.5.1 step
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4.c)
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---*/
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var arrObj = [];
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assert.throws(TypeError, function() {
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Object.defineProperty(Array.prototype, "0", {
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get: function() {
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return 11;
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},
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configurable: true
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});
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Object.defineProperty(arrObj, "0", {
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value: 12,
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configurable: false
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});
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Object.defineProperty(arrObj, "0", {
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configurable: true
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});
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});
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assert.sameValue(Array.prototype[0], 11, 'Array.prototype[0]');
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assert.sameValue(arrObj[0], 12, 'arrObj[0]');
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