mirror of https://github.com/tc39/test262.git
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// Ecma International makes this code available under the terms and conditions set
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// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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// "Use Terms"). Any redistribution of this code must retain the above
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// copyright and this notice and otherwise comply with the Use Terms.
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/*---
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es5id: 8.12.5-5-b_1
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description: >
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Changing the value of an accessor property should not affect it's
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property descriptor attributes.
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var tempObj = {};
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Object.defineProperty(tempObj, "reduce", { get: function() {return 456;}, enumerable:false, set: function() {;}});
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var origReduce = tempObj.reduce;
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var origDesc = Object.getOwnPropertyDescriptor(tempObj, "reduce");
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var newDesc;
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try {
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tempObj.reduce = 123;
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newDesc = Object.getOwnPropertyDescriptor(tempObj, "reduce");
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var descArray = [origDesc, newDesc];
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for (var j in descArray) {
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for (var i in descArray[j]) {
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if (origDesc[i]!==newDesc[i]) {
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return false;
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}
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}
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}
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return tempObj.reduce===456;
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} finally {
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tempObj.reduce = origReduce;
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}
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}
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runTestCase(testcase);
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