1 /*

     2  * Copyright (c) 2010, 2012, 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 

    31 function 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 

    53 function 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 

    68 var arr = [ 24 ];

    69 Object.seal(arr);

    70 checkSeal(arr);

    71 

    72 var arr2 = [ 42 ];

    73 Object.freeze(arr2);

    74 checkFreeze(arr2);

    75