text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /**
   * Return true, if x and y are both true or both false; otherwise, return false
   *
   * @path ch11/11.9/11.9.1/S11.9.1_A3.1.js
   * @description x and y are boolean primitives
   */
  
  //CHECK#1
  if ((true == true) !== true) {
    $ERROR('#1: (true == true) === true');
  }
  
  //CHECK#2
  if ((false == false) !== true) {
    $ERROR('#2: (false == false) === true');
  }
  
  //CHECK#3
  if ((true == false) !== false) {
    $ERROR('#3: (true == false) === false');
  }
  
  //CHECK#4
  if ((false == true) !== false) {
    $ERROR('#4: (false == true) === false');
  }
  
  