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

/*---
info: Operator x @= y returns x @ y
es5id: 11.13.2_A3.2_T9
description: Checking Expression and Variable statements for x &= y
---*/

//CHECK#1
var x = 1;
var x1 = (x &= 1);
if (x1 !== 1) {
  $ERROR('#1: var x = 1; var x1 = (x &= 1); x1 === 1. Actual: ' + (x1));
}

//CHECK#2
var y;
var y1;
y = 1;
y1 = (y &= 1);
if (y1 !== 1) {
  $ERROR('#2: y = 1; y1 = (y &= 1); y1 === 1. Actual: ' + (y1));
}
