mirror of https://github.com/tc39/test262.git
20 lines
451 B
JavaScript
20 lines
451 B
JavaScript
|
// Copyright 2009 the Sputnik authors. All rights reserved.
|
||
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
||
|
|
|
||
|
/*---
|
||
|
|
info: If x is NaN, operator -x returns NaN
|
||
|
|
es5id: 11.4.7_A4.1
|
||
|
|
description: Checking NaN
|
||
|
|
---*/
|
||
|
|
|
||
|
|
//CHECK#1
|
||
|
|
if (isNaN(-NaN) !== true) {
|
||
|
|
$ERROR('#1: -NaN === Not-a-Number. Actual: ' + (-NaN));
|
||
|
|
}
|
||
|
|
|
||
|
|
//CHECK#2
|
||
|
|
var x = NaN;
|
||
|
|
if (isNaN(-x) != true) {
|
||
|
|
$ERROR('#2: var x = NaN; -x === Not-a-Number. Actual: ' + (-x));
|
||
|
|
}
|