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

/*---
info: >
    Every execution context has associated with it a scope chain.
    A scope chain is a list of objects that are searched when evaluating an
    Identifier
es5id: 10.2.2_A1_T2
description: Checking scope chain containing function declarations
---*/

var x = 0;

function f1(){
  function f2(){
    return x;
  };
  return f2();
}

if(!(f1() === 0)){
  $ERROR("#1: Scope chain disturbed");
}