// 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 ch11/11.10/11.10.2/S11.10.2_A2.4_T1.js
 * @description Checking with "="
 */

//CHECK#1
var x = 1; 
if (((x = 0) ^ x) !== 0) {
  $ERROR('#1: var x = 0; ((x = 1) ^ x) === 0. Actual: ' + (((x = 1) ^ x)));
}

//CHECK#2
var x = 0; 
if ((x ^ (x = 1)) !== 1) {
  $ERROR('#2: var x = 0; (x ^ (x = 1)) === 1. Actual: ' + ((x ^ (x = 1))));
}



