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-256 : should be able to delete global builtin objects like JSON, Math etc.

    26  *

    27  * @test

    28  * @run

    29  */

    30 

    31 function deleteAndCheck(name) {

    32     if (! (delete this[name])) {

    33         fail("cannot delete " + name);

    34     } else {

    35         if (typeof this[name] !== 'undefined') {

    36             fail(name + " is not undefined after delete!");

    37         }

    38     }

    39 }

    40 

    41 deleteAndCheck("Object");

    42 deleteAndCheck("Function");

    43 deleteAndCheck("Array");

    44 deleteAndCheck("Boolean");

    45 deleteAndCheck("Date");

    46 deleteAndCheck("JSON");

    47 deleteAndCheck("JSAdapter");

    48 deleteAndCheck("Math");

    49 deleteAndCheck("Number");

    50 deleteAndCheck("RegExp");

    51 deleteAndCheck("String");

    52 deleteAndCheck("Error");

    53 deleteAndCheck("Error");

    54 deleteAndCheck("RangeError");

    55 deleteAndCheck("ReferenceError");

    56 deleteAndCheck("SyntaxError");

    57 deleteAndCheck("TypeError");

    58 deleteAndCheck("URIError");

    59 

    60 function deleteFailCheck(name) {

    61     if (delete this[name]) {

    62         fail("can delete " + name);

    63     } else {

    64         if (typeof this[name] === 'undefined') {

    65             fail(name + " was deleted!");

    66         }

    67     }

    68 }

    69 

    70 deleteFailCheck("NaN");

    71 deleteFailCheck("Infinity");

    72 if (delete undefined) {

    73     fail("can delete 'undefined'");

    74 }