mirror of
https://github.com/tc39/test262.git
synced 2025-07-31 01:44:54 +02:00
93ecde9f3a
Prior to this commit, the modified test included two different expressions in positions that were meant to describe the same expression. This meant that the value of the intended expression was only partially verified. Correct the test to fully verify the value of the expression.
67 lines
1.9 KiB
JavaScript
67 lines
1.9 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 division is determined by the specification of IEEE 754
|
|
arithmetics
|
|
es5id: 11.5.2_A4_T8
|
|
description: >
|
|
Division of a zero by any non-zero finite value -0 results in zero
|
|
of appropriate sign
|
|
---*/
|
|
|
|
//CHECK#1
|
|
if (-0 / 1 !== -0) {
|
|
throw new Test262Error('#1.1: -0 / 1 === 0. Actual: ' + (-0 / 1));
|
|
} else {
|
|
if (1 / (-0 / 1) !== Number.NEGATIVE_INFINITY) {
|
|
throw new Test262Error('#1.2: -0 / 1 === - 0. Actual: +0');
|
|
}
|
|
}
|
|
|
|
//CHECK#2
|
|
if (-0 / -1 !== +0) {
|
|
throw new Test262Error('#2.1: -0 / -1 === 0. Actual: ' + (-0 / -1));
|
|
} else {
|
|
if (1 / (-0 / -1) !== Number.POSITIVE_INFINITY) {
|
|
throw new Test262Error('#2.2: -0 / -1 === + 0. Actual: -0');
|
|
}
|
|
}
|
|
|
|
//CHECK#3
|
|
if (+0 / 1 !== +0) {
|
|
throw new Test262Error('#3.1: +0 / 1 === 0. Actual: ' + (+0 / 1));
|
|
} else {
|
|
if (1 / (+0 / 1) !== Number.POSITIVE_INFINITY) {
|
|
throw new Test262Error('#3.2: +0 / 1 === + 0. Actual: -0');
|
|
}
|
|
}
|
|
|
|
//CHECK#4
|
|
if (+0 / -1 !== -0) {
|
|
throw new Test262Error('#4.1: +0 / -1 === 0. Actual: ' + (+0 / -1));
|
|
} else {
|
|
if (1 / (+0 / -1) !== Number.NEGATIVE_INFINITY) {
|
|
throw new Test262Error('#4.2: +0 / -1 === - 0. Actual: +0');
|
|
}
|
|
}
|
|
|
|
//CHECK#5
|
|
if (+0 / -Number.MAX_VALUE !== -0) {
|
|
throw new Test262Error('#5.1: 0 / -Number.MAX_VALUE === 0. Actual: ' + (0 / -Number.MAX_VALUE));
|
|
} else {
|
|
if (1 / (+0 / -Number.MAX_VALUE) !== Number.NEGATIVE_INFINITY) {
|
|
throw new Test262Error('#5.2: +0 / -Number.MAX_VALUE === - 0. Actual: +0');
|
|
}
|
|
}
|
|
|
|
//CHECK#6
|
|
if (-0 / Number.MIN_VALUE !== -0) {
|
|
throw new Test262Error('#6.1: -0 / Number.MIN_VALUE === 0. Actual: ' + (-0 / Number.MIN_VALUE));
|
|
} else {
|
|
if (1 / (-0 / Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) {
|
|
throw new Test262Error('#6.2: -0 / Number.MIN_VALUE === - 0. Actual: +0');
|
|
}
|
|
}
|