test262/test/built-ins/Object/defineProperty/15.2.3.6-4-83.js

34 lines
760 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-83
description: >
Object.defineProperty will not throw TypeError if
name.configurable = false, name.writable = false, name.value =
undefined and desc.value = undefined (8.12.9 step 10.a.ii.1)
includes: [propertyHelper.js]
---*/
var obj = {};
Object.defineProperty(obj, "foo", {
value: undefined,
writable: false,
configurable: false
});
Object.defineProperty(obj, "foo", {
value: undefined,
writable: false,
configurable: false
});
verifyEqualTo(obj, "foo", undefined);
verifyNotWritable(obj, "foo");
verifyNotEnumerable(obj, "foo");
verifyNotConfigurable(obj, "foo");