NASHORN-427.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-427 : Object.seal and Object.freeze do not work for array objects as expected
26 *
27 * @test
28 * @run
29 */
30
31function checkSeal(arr) {
32    'use strict';
33
34    try {
35        delete arr[0];
36        fail("#1 can delete sealed array element");
37    } catch (e) {
38        if (! (e instanceof TypeError)) {
39            fail("#2 TypeError expected, got " + e);
40        }
41    }
42
43    try {
44        arr[arr.length] = 334;
45        fail("#3 can extend sealed array");
46    } catch (e) {
47        if (! (e instanceof TypeError)) {
48            fail("#4 TypeError expected, got " + e);
49        }
50    }
51}
52
53function checkFreeze(arr) {
54    'use strict';
55    checkSeal(arr);
56
57    try {
58        arr[arr.length - 1] = 34;
59        fail("#5 can assign to frozen array element");
60    } catch (e) {
61        if (! (e instanceof TypeError)) {
62            fail("#6 TypeError expected, got " + e);
63        }
64    }
65}
66
67
68var arr = [ 24 ];
69Object.seal(arr);
70checkSeal(arr);
71
72var arr2 = [ 42 ];
73Object.freeze(arr2);
74checkFreeze(arr2);
75
76