JSTests/test262/test/language/expressions/multiplication/S11.5.1_A4_T1.2.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    The result of a floating-point multiplication is governed by the rules of
    IEEE 754 double-precision arithmetics
es5id: 11.5.1_A4_T1.2
description: If right operand is NaN, the result is NaN
---*/

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

//CHECK#2
if (isNaN(+0 * Number.NaN) !== true) {
  $ERROR('#2: +0 * NaN === Not-a-Number. Actual: ' + (+0 * NaN)); 
} 

//CHECK#3
if (isNaN(-0 * Number.NaN) !== true) {
  $ERROR('#3: -0 * NaN === Not-a-Number. Actual: ' + (-0 * NaN)); 
} 

//CHECK#4
if (isNaN(Number.POSITIVE_INFINITY * Number.NaN) !== true) {
  $ERROR('#4: Infinity * NaN === Not-a-Number. Actual: ' + (Infinity * NaN));
} 

//CHECK#5
if (isNaN(Number.NEGATIVE_INFINITY * Number.NaN) !== true) {
  $ERROR('#5:  -Infinity * NaN === Not-a-Number. Actual: ' + ( -Infinity * NaN)); 
} 

//CHECK#6
if (isNaN(Number.MAX_VALUE * Number.NaN) !== true) {
  $ERROR('#6: Number.MAX_VALUE * NaN === Not-a-Number. Actual: ' + (Number.MAX_VALUE * NaN));
} 

//CHECK#7
if (isNaN(Number.MIN_VALUE * Number.NaN) !== true) {
  $ERROR('#7: Number.MIN_VALUE * NaN === Not-a-Number. Actual: ' + (Number.MIN_VALUE * NaN)); 
}

//CHECK#8
if (isNaN(1 * Number.NaN) !== true) {
  $ERROR('#8: 1 * NaN === Not-a-Number. Actual: ' + (1 * NaN));  
}