// 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_A4.10_T2.1
description: >
    Type(x) is different from Type(y) and both types vary between
    Number (primitive or object) and Boolean (primitive and object)
---*/

var x;

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

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

//CHECK#3
x = new Boolean(true);
x ^= 1;
if (x !== 0) {
  $ERROR('#3: x = new Boolean(true); x ^= 1; x === 0. Actual: ' + (x));
}

//CHECK#4
x = 1;
x ^= new Boolean(true);
if (x !== 0) {
  $ERROR('#4: x = 1; x ^= new Boolean(true); x === 0. Actual: ' + (x));
}

//CHECK#5
x = true;
x ^= new Number(1);
if (x !== 0) {
  $ERROR('#5: x = true; x ^= new Number(1); x === 0. Actual: ' + (x));
}

//CHECK#6
x = new Number(1);
x ^= true;
if (x !== 0) {
  $ERROR('#6: x = new Number(1); x ^= true; x === 0. Actual: ' + (x));
}

//CHECK#7
x = new Boolean(true);
x ^= new Number(1);
if (x !== 0) {
  $ERROR('#7: x = new Boolean(true); x ^= new Number(1); x === 0. Actual: ' + (x));
}

//CHECK#8
x = new Number(1);
x ^= new Boolean(true);
if (x !== 0) {
  $ERROR('#8: x = new Number(1); x ^= new Boolean(true); x === 0. Actual: ' + (x));
}
