mirror of https://github.com/tc39/test262.git
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
es5id: 15.2.3.6-4-457
|
|
description: >
|
|
ES5 Attributes - fail to update the accessor property ([[Get]] is
|
|
undefined, [[Set]] is undefined, [[Enumerable]] is false,
|
|
[[Configurable]] is false) to a data property
|
|
includes: [runTestCase.js]
|
|
---*/
|
|
|
|
function testcase() {
|
|
var obj = {};
|
|
|
|
Object.defineProperty(obj, "prop", {
|
|
get: undefined,
|
|
set: undefined,
|
|
enumerable: false,
|
|
configurable: false
|
|
});
|
|
var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
|
|
|
|
try {
|
|
Object.defineProperty(obj, "prop", {
|
|
value: 1001
|
|
});
|
|
|
|
return false;
|
|
} catch (e) {
|
|
var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
|
|
|
|
return desc1.hasOwnProperty("get") && !desc2.hasOwnProperty("value") && e instanceof TypeError;
|
|
}
|
|
}
|
|
runTestCase(testcase);
|