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

/*---
info: Operator uses GetValue
es5id: 11.13.2_A2.1_T1.6
description: >
    Either Type is not Reference or GetBase is not null, check
    opeartor is "x <<= y"
---*/

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

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