// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    We overload valueOf method so it return non Primitive value
    Thus [[DefaultValue]] must return Object.toString() value
es5id: 8.12.8_A3
description: >
    Try to overload toString method, that returned Primitive, and
    valueOf method, that returned new Object
---*/

try
{
  var __obj = {toString: function() {return "1"}, valueOf: function() {return new Object();}}
  if (Number(__obj) !== 1) {
    $ERROR('#1.1: var __obj = {toNumber: function() {return "1"}, valueOf: function() {return new Object();}}; Number(__obj) === 1. Actual: ' + (Number(__obj)));
  }
}
catch(e)
{
  $ERROR('#1.2: var __obj = {toNumber: function() {return "1"}, valueOf: function() {return new Object();}}; Number(__obj) === 1. Actual: ' + (e));
}
