js/src/tests/test262/ch11/11.5/11.5.1/S11.5.1_A4_T3.js


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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.

/**
 * The result of a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics
 *
 * @path ch11/11.5/11.5.1/S11.5.1_A4_T3.js
 * @description Multiplication of an infinity by a zero results in NaN
 */

//CHECK#1
if (isNaN(Number.NEGATIVE_INFINITY * 0) !== true) {
  $ERROR('#1: Infinity * 0 === Not-a-Number. Actual: ' + (Infinity * 0));
}

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

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

//CHECK#4
if (isNaN(0 * Number.POSITIVE_INFINITY) !== true) {
  $ERROR('#4: 0 * Infinity === Not-a-Number. Actual: ' + (0 * Infinity));
}

//CHECK#5
if (isNaN(Number.NEGATIVE_INFINITY * -0) !== true) {
  $ERROR('#5: Infinity * -0 === Not-a-Number. Actual: ' + (Infinity * -0));
}

//CHECK#6
if (isNaN(0 * Number.NEGATIVE_INFINITY) !== true) {
  $ERROR('#6: 0 * -Infinity === Not-a-Number. Actual: ' + (0 * -Infinity));
}

//CHECK#7
if (isNaN(Number.POSITIVE_INFINITY * 0) !== true) {
  $ERROR('#7: Infinity * 0 === Not-a-Number. Actual: ' + (Infinity * 0));
}

//CHECK#8
if (isNaN(-0 * Number.POSITIVE_INFINITY) !== true) {
  $ERROR('#8: -0 * Infinity === Not-a-Number. Actual: ' + (-0 * Infinity));
}