NASHORN-418.js revision 877:cf4d2252d444 
1/*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * NASHORN-418 : When a data descriptor property is changed to an accessor descriptor property, new configurable, enumerable flags are not set
26 *
27 * @test
28 * @run
29 */
30
31var obj = { foo: 33 };
32
33var oldDesc = Object.getOwnPropertyDescriptor(obj, "foo");
34if (! oldDesc.enumerable) {
35    fail("#1 'foo' is not enumerable");
36}
37
38if (! oldDesc.configurable) {
39    fail("#2 'foo' is not configurable");
40}
41
42Object.defineProperty(obj, "foo", {
43    enumerable: false, configurable: false,
44    get: function() { return 'hello' } });
45
46var newDesc = Object.getOwnPropertyDescriptor(obj, "foo");
47if (newDesc.enumerable) {
48    fail("#3 'foo' is enumerable");
49}
50
51if (newDesc.configurable) {
52    fail("#4 'foo' is configurable");
53}
54
55var obj2 = {};
56
57Object.defineProperty(obj2, "foo", {
58    value : 34, writable: false, configurable: true });
59
60var setterCalled = true;
61// descriptor type change, writable is not inherited
62Object.defineProperty(obj2, "foo", {
63  get: undefined, set: function(x) { setterCalled = true } });
64
65// can still attempt to write
66obj2.foo = 44;
67if (! setterCalled) {
68    fail("#5 obj2.foo setter not called");
69}
70
71var obj3 = {};
72
73Object.defineProperty(obj3, "foo", {
74  get: undefined, set: function(x) { }, configurable: true });
75
76Object.defineProperty(obj3, "foo", { value: 33 });
77
78var desc = Object.getOwnPropertyDescriptor(obj3, "foo");
79if (desc.writable) {
80    fail("#6 obj3.foo is writable");
81}
82