test262/test/built-ins/Object/defineProperty/15.2.3.6-4-426.js

40 lines
1.1 KiB
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-426
description: >
ES5 Attributes - success to update [[Get]] attribute of accessor
property ([[Get]] is undefined, [[Set]] is undefined,
[[Enumerable]] is true, [[Configurable]] is true) to different
value
includes: [runTestCase.js]
---*/
function testcase() {
var obj = {};
var getFunc = function () {
return 1001;
};
Object.defineProperty(obj, "prop", {
get: undefined,
set: undefined,
enumerable: true,
configurable: true
});
var result1 = typeof obj.prop === "undefined";
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
Object.defineProperty(obj, "prop", {
get: getFunc
});
var result2 = obj.prop === 1001;
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
return result1 && result2 && typeof desc1.get === "undefined" && desc2.get === getFunc;
}
runTestCase(testcase);