// 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_A4.8_T1.2
description: Type(x) and Type(y) vary between primitive number and Number object
---*/

var x;

//CHECK#1
x = 1;
x >>>= 1;
if (x !== 0) {
  throw new Test262Error('#1: x = 1; x >>>= 1; x === 0. Actual: ' + (x));
}

//CHECK#2
x = new Number(1);
x >>>= 1;
if (x !== 0) {
  throw new Test262Error('#2: x = new Number(1); x >>>= 1; x === 0. Actual: ' + (x));
}

//CHECK#3
x = 1;
x >>>= new Number(1);
if (x !== 0) {
  throw new Test262Error('#3: x = 1; x >>>= new Number(1); x === 0. Actual: ' + (x));
}

//CHECK#4
x = new Number(1);
x >>>= new Number(1);
if (x !== 0) {
  throw new Test262Error('#4: x = new Number(1); x >>>= new Number(1); x === 0. Actual: ' + (x));
}
