test262/test/suite/ch11/11.6/11.6.1/S11.6.1_A4_T2.js
2011-10-03 13:04:52 -07:00

24 lines
715 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* The result of an addition is determined using the rules of IEEE 754 double-precision arithmetics
*
* @path ch11/11.6/11.6.1/S11.6.1_A4_T2.js
* @description The sum of two infinities of opposite sign is NaN
*/
//CHECK#1
if (isNaN(Number.POSITIVE_INFINITY + Number.NEGATIVE_INFINITY) !== true ) {
$ERROR('#1: Infinity + -Infinity === Not-a-Number. Actual: ' + (Infinity + -Infinity));
}
//CHECK#2
if (isNaN(Number.NEGATIVE_INFINITY + Number.POSITIVE_INFINITY) !== true ) {
$ERROR('#2: -Infinity + Infinity === Not-a-Number. Actual: ' + (-Infinity + Infinity));
}