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-261 : All 'eval' calls assumed to be global builtin eval calls

    26  *

    27  * @test

    28  * @run

    29  */

    30 

    31 // call eval with no args

    32 if (eval() !== undefined) {

    33     fail("eval with no arg should return undefined");

    34 }

    35 

    36 // call eval with extra (ignored) args

    37 function func() {

    38     'use strict';

    39 

    40     try {

    41         // we pass hidden args after first arg which is code. Make sure

    42         // those stay intact even when user passes extra args.

    43         // Example: strict mode flag is passed as hidden arg...

    44 

    45         eval("eval = 3", "hello", "world", "nashorn");

    46         fail("SyntaxError expected!");

    47     } catch (e) {

    48         if (! (e instanceof SyntaxError)) {

    49             fail("SyntaxError expected, got " + e);

    50         }

    51     }

    52 }

    53 

    54 func();

    55 

    56 // try calling 'eval' -- but from with scope rather than builtin one

    57 with ( {

    58     eval: function() {

    59         if (arguments.length != 1) {

    60             fail("arguments.length !== 1, it is " + arguments.length);

    61             for (i in arguments) { print(arguments[i]); }

    62         }

    63     }

    64 }) {

    65 

    66     eval("hello");

    67 }

    68 

    69 // finally, overwrite builtin 'eval'

    70 var reached = false;

    71 eval = function() {

    72     reached = true;

    73     for (i in arguments) {

    74         print(arguments[i]);

    75     }

    76 }

    77 

    78 // pass no args to our overwritten eval 

    79 // the new eval should not print anything (no hidden args passed)

    80 eval();

    81 

    82 // make sure our modified eval was called

    83 if (! reached) {

    84     fail("modified eval was not called");

    85 }