test262/test/built-ins/Object/isFrozen/15.2.3.12-3-28.js

36 lines
707 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.12-3-28
description: >
Object.isFrozen returns true when all own properties of 'O' are
not writable and not configurable, and 'O' is not extensible
---*/
var obj = {};
Object.defineProperty(obj, "foo1", {
value: 20,
writable: false,
enumerable: false,
configurable: false
});
function get_func() {
return 10;
}
function set_func() {}
Object.defineProperty(obj, "foo2", {
get: get_func,
set: set_func,
configurable: false
});
Object.preventExtensions(obj);
assert(Object.isFrozen(obj), 'Object.isFrozen(obj) !== true');