src/third_party/mozjs-45/js/src/tests/test262/ch10/10.2/10.2.1/S10.2.1_A5.1_T1.js

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

/**
 * For each VariableDeclaration or VariableDeclarationNoIn in the
 * code, create a property of the variable object whose name is the Identifier
 * in the VariableDeclaration or VariableDeclarationNoIn, whose value is
 * undefined and whose attributes are determined by the type of code
 *
 * @path ch10/10.2/10.2.1/S10.2.1_A5.1_T1.js
 * @description Checking variable existence only
 */

//CHECK#1
function f1(){
  var x;
  
  return typeof x;
}

if(!(f1() === "undefined")){
  $PRINT('#1: f1() === "undefined"');
}

//CHECK#2
function f2(){
  var x;
  
  return x;
}

if(!(f2() === undefined)){
  $PRINT('#1: f2() === undefined');
}