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

/**
 * First expression is evaluated first, and then second expression
 *
 * @path ch11/11.9/11.9.2/S11.9.2_A2.4_T3.js
 * @description Checking with undeclarated variables
 */

//CHECK#1
try {
  x != (x = 1);
  $ERROR('#1.1: x != (x = 1) throw ReferenceError. Actual: ' + (x != (x = 1)));  
}
catch (e) {
  if ((e instanceof ReferenceError) !== true) {
    $ERROR('#1.2: x != (x = 1) throw ReferenceError. Actual: ' + (e));  
  }
}

//CHECK#2
if (((y = 1) != y) !== false) {
  $ERROR('#2: ((y = 1) != y) === false');
}


