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      1 // Copyright 2008 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 var builtInPropertyNames = [
     29   'prototype', 'length', 'caller', 0, 1, '$1', 'arguments', 'name', 'message', 'constructor'
     30 ];
     31 
     32 function getAnException() {
     33   try {
     34     ("str")();
     35   } catch (e) {
     36     return e;
     37   }
     38 }
     39 
     40 function getSpecialObjects() {
     41   return [
     42     function () { },
     43     [1, 2, 3],
     44     /xxx/,
     45     RegExp,
     46     "blah",
     47     9,
     48     new Date(),
     49     getAnException()
     50   ];
     51 }
     52 
     53 var object = { };
     54 var fun = function () { };
     55 var someException = getAnException();
     56 var someDate = new Date();
     57 
     58 var objects = [
     59   [1, Number.prototype],
     60   ["foo", String.prototype],
     61   [true, Boolean.prototype],
     62   [object, object],
     63   [fun, fun],
     64   [someException, someException],
     65   [someDate, someDate]
     66 ];
     67 
     68 function runTest(fun) {
     69   for (var i in objects) {
     70     var obj = objects[i][0];
     71     var chain = objects[i][1];
     72     var specialObjects = getSpecialObjects();
     73     for (var j in specialObjects) {
     74       var special = specialObjects[j];
     75       chain.__proto__ = special;
     76       for (var k in builtInPropertyNames) {
     77         var propertyName = builtInPropertyNames[k];
     78         fun(obj, propertyName);
     79       }
     80     }
     81   }
     82 }
     83 
     84 runTest(function (obj, name) { return obj[name]; });
     85 runTest(function (obj, name) { return obj[name] = { }; });
     86