mirror of https://github.com/tc39/test262.git
69 lines
1.5 KiB
JavaScript
69 lines
1.5 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_T2
|
|
description: >
|
|
The sign of the result is positive if both operands have the same
|
|
sign, negative if the operands have different signs
|
|
---*/
|
|
|
|
//CHECK#1
|
|
if (1 * 1 !== 1) {
|
|
$ERROR('#1: 1 * 1 === 1. Actual: ' + (1 * 1));
|
|
}
|
|
|
|
//CHECK#2
|
|
if (1 * -1 !== -1) {
|
|
$ERROR('#2: 1 * -1 === -1. Actual: ' + (1 * -1));
|
|
}
|
|
|
|
//CHECK#3
|
|
if (-1 * 1 !== -1) {
|
|
$ERROR('#3: -1 * 1 === -1. Actual: ' + (-1 * 1));
|
|
}
|
|
|
|
//CHECK#4
|
|
if (-1 * -1 !== 1) {
|
|
$ERROR('#4: -1 * -1 === 1. Actual: ' + (-1 * -1));
|
|
}
|
|
|
|
//CHECK#5
|
|
if (0 * 0 !== 0) {
|
|
$ERROR('#5.1: 0 * 0 === 0. Actual: ' + (0 * 0));
|
|
} else {
|
|
if (1 / (0 * 0) !== Number.POSITIVE_INFINITY) {
|
|
$ERROR('#5.2: 0 * 0 === + 0. Actual: -0');
|
|
}
|
|
}
|
|
|
|
//CHECK#6
|
|
if (0 * -0 !== -0) {
|
|
$ERROR('#6.1: 0 * -0 === 0. Actual: ' + (0 * -0));
|
|
} else {
|
|
if (1 / (0 * -0) !== Number.NEGATIVE_INFINITY) {
|
|
$ERROR('#6.2: 0 * -0 === - 0. Actual: +0');
|
|
}
|
|
}
|
|
|
|
//CHECK#7
|
|
if (-0 * 0 !== -0) {
|
|
$ERROR('#7.1: -0 * 0 === 0. Actual: ' + (-0 * 0));
|
|
} else {
|
|
if (1 / (-0 * 0) !== Number.NEGATIVE_INFINITY) {
|
|
$ERROR('#7.2: -0 * 0 === - 0. Actual: +0');
|
|
}
|
|
}
|
|
|
|
//CHECK#8
|
|
if (-0 * -0 !== 0) {
|
|
$ERROR('#8.1: -0 * -0 === 0. Actual: ' + (-0 * -0));
|
|
} else {
|
|
if (1 / (-0 * -0) !== Number.POSITIVE_INFINITY) {
|
|
$ERROR('#8.2: 0 * -0 === - 0. Actual: +0');
|
|
}
|
|
}
|