// 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 ToNumber(x) & ToNumber(y)
es5id: 11.10.1_A3_T2.4
description: >
    Type(x) is different from Type(y) and both types vary between
    Number (primitive or object) and Undefined
---*/

//CHECK#1
if ((1 & undefined) !== 0) {
  $ERROR('#1: (1 & undefined) === 0. Actual: ' + ((1 & undefined)));
}

//CHECK#2
if ((undefined & 1) !== 0) {
  $ERROR('#2: (undefined & 1) === 0. Actual: ' + ((undefined & 1)));
}

//CHECK#3
if ((new Number(1) & undefined) !== 0) {
  $ERROR('#3: (new Number(1) & undefined) === 0. Actual: ' + ((new Number(1) & undefined)));
}

//CHECK#4
if ((undefined & new Number(1)) !== 0) {
  $ERROR('#4: (undefined & new Number(1)) === 0. Actual: ' + ((undefined & new Number(1))));
}
