mirror of https://github.com/tc39/test262.git
67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: |
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The result of division is determined by the specification of IEEE 754
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arithmetics
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es5id: 11.5.2_A4_T8
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description: >
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Division of a zero by any non-zero finite value -0 results in zero
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of appropriate sign
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---*/
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//CHECK#1
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if (-0 / 1 !== -0) {
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$ERROR('#1.1: -0 / 1 === 0. Actual: ' + (-0 / 1));
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} else {
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if (1 / (-0 / 1) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#1.2: -0 / 1 === - 0. Actual: +0');
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}
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}
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//CHECK#2
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if (-0 / -1 !== +0) {
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$ERROR('#2.1: -0 / -1 === 0. Actual: ' + (-0 / -1));
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} else {
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if (1 / (-0 / -1) !== Number.POSITIVE_INFINITY) {
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$ERROR('#2.2: -0 / -1 === + 0. Actual: -0');
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}
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}
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//CHECK#3
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if (+0 / 1 !== +0) {
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$ERROR('#3.1: +0 / 1 === 0. Actual: ' + (+0 / 1));
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} else {
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if (1 / (+0 / -1) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#3.2: +0 / -1 === + 0. Actual: -0');
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}
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}
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//CHECK#4
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if (+0 / -1 !== -0) {
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$ERROR('#4.1: +0 / -1 === 0. Actual: ' + (+0 / -1));
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} else {
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if (1 / (+0 / -1) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#4.2: +0 / -1 === - 0. Actual: +0');
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}
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}
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//CHECK#5
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if (+0 / -Number.MAX_VALUE !== -0) {
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$ERROR('#5.1: 0 / -Number.MAX_VALUE === 0. Actual: ' + (0 / -Number.MAX_VALUE));
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} else {
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if (1 / (+0 / -Number.MAX_VALUE) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#5.2: +0 / -Number.MAX_VALUE === - 0. Actual: +0');
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}
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}
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//CHECK#6
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if (-0 / Number.MIN_VALUE !== -0) {
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$ERROR('#6.1: -0 / Number.MIN_VALUE === 0. Actual: ' + (-0 / Number.MIN_VALUE));
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} else {
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if (1 / (-0 / Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) {
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$ERROR('#6.2: -0 / Number.MIN_VALUE === - 0. Actual: +0');
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}
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}
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