text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /**
   * @name: S11.9.2_A6.1;
   * @section: 11.9.2, 11.9.3;
   * @assertion: If Type(x) as well as Type(y) is Undefined or Null, return true;
   * @description: Checking all combinations;
  */
  
  //CHECK#1
  if ((undefined != undefined) !== false) {
    $ERROR('#1: (undefined != undefined) === false');
  }
  
  //CHECK#2
  if ((void 0 != undefined) !== false) {
    $ERROR('#2: (void 0 != undefined) === false');
  }
  
  //CHECK#3
  if ((undefined != eval("var x")) !== false) {
    $ERROR('#3: (undefined != eval("var x")) === false');
  }
  
  //CHECK#4
  if ((undefined != null) !== false) {
    $ERROR('#4: (undefined != null) === false');
  }
  
  //CHECK#5
  if ((null != void 0) !== false) {
    $ERROR('#5: (null != void 0) === false');
  }
  
  //CHECK#6
  if ((null != null) !== false) {
    $ERROR('#6: (null != null) === false');
  }
  