mirror of https://github.com/tc39/test262.git
33 lines
988 B
JavaScript
33 lines
988 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
info: >
|
|
Refer 11.1.5;
|
|
The production
|
|
PropertyNameAndValueList : PropertyAssignment
|
|
3.Call the [[DefineOwnProperty]] internal method of obj with arguments propId.name, propId.descriptor, and false.
|
|
es5id: 11.1.5_3-3-1
|
|
description: >
|
|
Object initialization using PropertyNameAndValueList
|
|
(PropertyAssignment) when property (read-only) exists in
|
|
Object.prototype (step 3)
|
|
includes: [runTestCase.js]
|
|
---*/
|
|
|
|
function testcase() {
|
|
try {
|
|
Object.defineProperty(Object.prototype, "prop", {
|
|
value: 100,
|
|
writable: false,
|
|
configurable: true
|
|
});
|
|
var obj = { prop: 12 };
|
|
|
|
return obj.hasOwnProperty("prop") && obj.prop === 12;
|
|
} finally {
|
|
delete Object.prototype.prop;
|
|
}
|
|
}
|
|
runTestCase(testcase);
|