js/src/tests/test262/ch11/11.5/11.5.1/S11.5.1_A4_T2.js

Wed, 31 Dec 2014 13:27:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 13:27:57 +0100
branch
TOR_BUG_3246
changeset 6
8bccb770b82d
permissions
-rw-r--r--

Ignore runtime configuration files generated during quality assurance.

michael@0 1 // Copyright 2009 the Sputnik authors. All rights reserved.
michael@0 2 // This code is governed by the BSD license found in the LICENSE file.
michael@0 3
michael@0 4 /**
michael@0 5 * The result of a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics
michael@0 6 *
michael@0 7 * @path ch11/11.5/11.5.1/S11.5.1_A4_T2.js
michael@0 8 * @description The sign of the result is positive if both operands have the same sign, negative if the operands have different signs
michael@0 9 */
michael@0 10
michael@0 11 //CHECK#1
michael@0 12 if (1 * 1 !== 1) {
michael@0 13 $ERROR('#1: 1 * 1 === 1. Actual: ' + (1 * 1));
michael@0 14 }
michael@0 15
michael@0 16 //CHECK#2
michael@0 17 if (1 * -1 !== -1) {
michael@0 18 $ERROR('#2: 1 * -1 === -1. Actual: ' + (1 * -1));
michael@0 19 }
michael@0 20
michael@0 21 //CHECK#3
michael@0 22 if (-1 * 1 !== -1) {
michael@0 23 $ERROR('#3: -1 * 1 === -1. Actual: ' + (-1 * 1));
michael@0 24 }
michael@0 25
michael@0 26 //CHECK#4
michael@0 27 if (-1 * -1 !== 1) {
michael@0 28 $ERROR('#4: -1 * -1 === 1. Actual: ' + (-1 * -1));
michael@0 29 }
michael@0 30
michael@0 31 //CHECK#5
michael@0 32 if (0 * 0 !== 0) {
michael@0 33 $ERROR('#5.1: 0 * 0 === 0. Actual: ' + (0 * 0));
michael@0 34 } else {
michael@0 35 if (1 / (0 * 0) !== Number.POSITIVE_INFINITY) {
michael@0 36 $ERROR('#5.2: 0 * 0 === + 0. Actual: -0');
michael@0 37 }
michael@0 38 }
michael@0 39
michael@0 40 //CHECK#6
michael@0 41 if (0 * -0 !== -0) {
michael@0 42 $ERROR('#6.1: 0 * -0 === 0. Actual: ' + (0 * -0));
michael@0 43 } else {
michael@0 44 if (1 / (0 * -0) !== Number.NEGATIVE_INFINITY) {
michael@0 45 $ERROR('#6.2: 0 * -0 === - 0. Actual: +0');
michael@0 46 }
michael@0 47 }
michael@0 48
michael@0 49 //CHECK#7
michael@0 50 if (-0 * 0 !== -0) {
michael@0 51 $ERROR('#7.1: -0 * 0 === 0. Actual: ' + (-0 * 0));
michael@0 52 } else {
michael@0 53 if (1 / (-0 * 0) !== Number.NEGATIVE_INFINITY) {
michael@0 54 $ERROR('#7.2: -0 * 0 === - 0. Actual: +0');
michael@0 55 }
michael@0 56 }
michael@0 57
michael@0 58 //CHECK#8
michael@0 59 if (-0 * -0 !== 0) {
michael@0 60 $ERROR('#8.1: -0 * -0 === 0. Actual: ' + (-0 * -0));
michael@0 61 } else {
michael@0 62 if (1 / (-0 * -0) !== Number.POSITIVE_INFINITY) {
michael@0 63 $ERROR('#8.2: 0 * -0 === - 0. Actual: +0');
michael@0 64 }
michael@0 65 }
michael@0 66

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