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// 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
description: >
Type(x) is different from Type(y) and both types vary between
Number (primitive or object) and Undefined
---*/
//CHECK#1
x = 1;
x += undefined;
if (isNaN(x) !== true) {
$ERROR('#1: x = 1; x += undefined; x === Not-a-Number. Actual: ' + (x));
}
//CHECK#2
x = undefined;
x += 1;
if (isNaN(x) !== true) {
$ERROR('#2: x = undefined; x += 1; x === Not-a-Number. Actual: ' + (x));
}
//CHECK#3
x = new Number(1);
x += undefined;
if (isNaN(x) !== true) {
$ERROR('#3: x = new Number(1); x += undefined; x === Not-a-Number. Actual: ' + (x));
}
//CHECK#4
x = undefined;
x += new Number(1);
if (isNaN(x) !== true) {
$ERROR('#4: x = undefined; x += new Number(1); x === Not-a-Number. Actual: ' + (x));
}
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