test262/test/built-ins/Object/defineProperty/15.2.3.6-4-354-4.js

38 lines
853 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-354-4
description: >
Object.defineProperty will update [[Value]] attribute successfully
when [[Configurable]] attribute is true and [[Writable]] attribute
is false, 'O' is the global object (8.12.9 - step Note)
includes: [propertyHelper.js]
---*/
var obj = this;
try {
Object.defineProperty(obj, "property", {
value: 1001,
writable: false,
configurable: true
});
Object.defineProperty(obj, "property", {
value: 1002
});
verifyEqualTo(obj, "property", 1002);
verifyNotWritable(obj, "property");
verifyNotEnumerable(obj, "property");
verifyConfigurable(obj, "property");
} finally {
delete obj.property;
}