test262/test/language/expressions/multiplication/S11.5.1_A4_T1.1.js

51 lines
1.4 KiB
JavaScript

// 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_T1.1
description: If left 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(Number.NaN * +0) !== true) {
$ERROR('#2: NaN * +0 === Not-a-Number. Actual: ' + (NaN * +0));
}
//CHECK#3
if (isNaN(Number.NaN * -0) !== true) {
$ERROR('#3: NaN * -0 === Not-a-Number. Actual: ' + (NaN * -0));
}
//CHECK#4
if (isNaN(Number.NaN * Number.POSITIVE_INFINITY) !== true) {
$ERROR('#4: NaN * Infinity === Not-a-Number. Actual: ' + (NaN * Infinity));
}
//CHECK#5
if (isNaN(Number.NaN * Number.NEGATIVE_INFINITY) !== true) {
$ERROR('#5: NaN * -Infinity === Not-a-Number. Actual: ' + (NaN * -Infinity));
}
//CHECK#6
if (isNaN(Number.NaN * Number.MAX_VALUE) !== true) {
$ERROR('#6: NaN * Number.MAX_VALUE === Not-a-Number. Actual: ' + (NaN * Number.MAX_VALUE));
}
//CHECK#7
if (isNaN(Number.NaN * Number.MIN_VALUE) !== true) {
$ERROR('#7: NaN * Number.MIN_VALUE === Not-a-Number. Actual: ' + (NaN * Number.MIN_VALUE));
}
//CHECK#8
if (isNaN(Number.NaN * 1) !== true) {
$ERROR('#8: NaN * 1 === Not-a-Number. Actual: ' + (NaN * 1));
}