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

/*---
info: First expression is evaluated first, and then second expression
es5id: 11.9.4_A2.4_T1
description: Checking with "="
---*/

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

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