JDK-8024255.js revision 539:7ae169639485 
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 * JDK-8024255: When a keyword is used as object property name, the property can not be deleted
26 *
27 * @test
28 * @run
29 */
30
31function check(obj, name) {
32    var desc = Object.getOwnPropertyDescriptor(obj, name);
33    if (! desc.configurable) {
34        fail("Property " + name + " is not configurable");
35    }
36
37    if (! (delete obj[name])) {
38        fail("Property " + name + " can not be deleted");
39    }
40}
41
42var obj = {
43    default: 344,
44    in: 'hello',
45    if: false,
46    class: 4.223
47}
48
49for (var p in obj) {
50    check(obj, p);
51}
52