NASHORN-452.js revision 6:5a1b0714df0e 
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-452 : nashorn is able to redefine a global declared variable
26 *
27 * @test
28 * @run
29 */
30
31var env = {};
32try {
33    Object.defineProperty(this, 'env', {
34        get: function() {}
35    });
36    fail("#1 should have thrown TypeError");
37} catch (e) {
38    if (! (e instanceof TypeError)) {
39        fail("#2 TypeError expected, got " + e);
40    }
41}
42
43var desc = Object.getOwnPropertyDescriptor(this, 'env');
44if (desc.configurable) {
45    fail("#3 global var 'env' is configurable");
46}
47
48(function (x) {
49    if (delete x) {
50        fail("#4 can delete function argument");
51    }
52})(3);
53
54(function (x) {
55    // use of 'with'
56    with ({ foo: 2 }) {
57        if (delete x) {
58            fail("#5 can delete function argument");
59        }
60    }
61})(4);
62
63(function (x, y) {
64    // use of 'arguments'
65    var arg = arguments;
66    if (delete x || delete y) {
67        fail("#6 can delete function argument");
68    }
69})(5);
70
71(function (x) {
72    // use of 'eval'
73    eval("x");
74
75    if (delete x) {
76        fail("#7 can delete function argument");
77    }
78})('hello');
79
80