mirror of https://github.com/tc39/test262.git
44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
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: 15.2.3.6-4-525
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description: >
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ES5 Attributes - fail to update [[Get]] attribute of accessor
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property ([[Get]] is a Function, [[Set]] is undefined,
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[[Enumerable]] is false, [[Configurable]] is false) to different
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value
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var obj = {};
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var getFunc = function () {
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return 1001;
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};
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Object.defineProperty(obj, "prop", {
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get: getFunc,
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set: undefined,
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enumerable: false,
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configurable: false
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});
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var result1 = obj.prop === 1001;
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var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
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try {
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Object.defineProperty(obj, "prop", {
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get: undefined
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});
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return false;
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} catch (e) {
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var result2 = obj.prop === 1001;
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var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
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return result1 && result2 && desc1.get === getFunc && desc2.get === getFunc && e instanceof TypeError;
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}
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}
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runTestCase(testcase);
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