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