test/mjsunit/fuzz-accessors.js

// Copyright 2008 the V8 project authors. All rights reserved.
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var builtInPropertyNames = [
  'prototype', 'length', 'caller', 0, 1, '$1', 'arguments', 'name', 'message', 'constructor'
];

function getAnException() {
  try {
    ("str")();
  } catch (e) {
    return e;
  }
}

function getSpecialObjects() {
  return [
    function () { },
    [1, 2, 3],
    /xxx/,
    RegExp,
    "blah",
    9,
    new Date(),
    getAnException()
  ];
}

var object = { };
var fun = function () { };
var someException = getAnException();
var someDate = new Date();

var objects = [
  [1, Number.prototype],
  ["foo", String.prototype],
  [true, Boolean.prototype],
  [object, object],
  [fun, fun],
  [someException, someException],
  [someDate, someDate]
];

function runTest(fun) {
  for (var i in objects) {
    var obj = objects[i][0];
    var chain = objects[i][1];
    var specialObjects = getSpecialObjects();
    for (var j in specialObjects) {
      var special = specialObjects[j];
      chain.__proto__ = special;
      for (var k in builtInPropertyNames) {
        var propertyName = builtInPropertyNames[k];
        fun(obj, propertyName);
      }
    }
  }
}

runTest(function (obj, name) { return obj[name]; });
runTest(function (obj, name) { return obj[name] = { }; });