// 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_A4.3_T2.2
description: >
    Type(x) is different from Type(y) and both types vary between
    Number (primitive or object) and String (primitive and object)
---*/

var x;

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

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

//CHECK#3
x = new String("1");
x %= 1;
if (x !== 0) {
  $ERROR('#3: x = new String("1"); x %= 1; x === 0. Actual: ' + (x));
}

//CHECK#4
x = 1;
x %= new String("1");
if (x !== 0) {
  $ERROR('#4: x = 1; x %= new String("1"); x === 0. Actual: ' + (x));
}

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

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

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

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

//CHECK#9
x = "x";
x %= 1;
if (isNaN(x) !== true) {
  $ERROR('#9: x = "x"; x %= 1; x === Not-a-Number. Actual: ' + (x));
}

//CHECK#10
x = 1;
x %= "x";
if (isNaN(x) !== true) {
  $ERROR('#10: x = 1; x %= "x"; x === Not-a-Number. Actual: ' + (x));
}
