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

/*---
info: The production x <<= y is the same as x = x << y
es5id: 11.13.2_A4.6_T1.1
description: >
    Type(x) and Type(y) vary between primitive boolean and Boolean
    object
---*/

var x;

//CHECK#1
x = true;
x <<= true;
if (x !== 2) {
  throw new Test262Error('#1: x = true; x <<= true; x === 2. Actual: ' + (x));
}

//CHECK#2
x = new Boolean(true);
x <<= true;
if (x !== 2) {
  throw new Test262Error('#2: x = new Boolean(true); x <<= true; x === 2. Actual: ' + (x));
}

//CHECK#3
x = true;
x <<= new Boolean(true);
if (x !== 2) {
  throw new Test262Error('#3: x = true; x <<= new Boolean(true); x === 2. Actual: ' + (x));
}

//CHECK#4
x = new Boolean(true);
x <<= new Boolean(true);
if (x !== 2) {
  throw new Test262Error('#4: x = new Boolean(true); x <<= new Boolean(true); x === 2. Actual: ' + (x));
}
