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-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 }