test262/test/built-ins/Object/defineProperty/15.2.3.6-4-354-8.js

31 lines
767 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-354-8
description: >
ES5 Attributes - property 'P' with attributes [[Writable]]: false,
[[Enumerable]]: true, [[Configurable]]: true is non-writable using
simple assignment, 'O' is the global object
includes:
- propertyHelper.js
- fnGlobalObject.js
---*/
var obj = fnGlobalObject();
try {
Object.defineProperty(obj, "prop", {
value: 2010,
writable: false,
enumerable: true,
configurable: true
});
assert.sameValue(obj.prop, 2010);
verifyNotWritable(obj, "prop");
assert.sameValue(obj.prop, 2010);
} finally {
delete obj.prop;
}