js/src/tests/test262/ch11/11.6/11.6.2/S11.6.2_A4_T5.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.

     1 // Copyright 2009 the Sputnik authors.  All rights reserved.
     2 // This code is governed by the BSD license found in the LICENSE file.
     4 /**
     5  * Operator x - y produces the same result as x + (-y)
     6  *
     7  * @path ch11/11.6/11.6.2/S11.6.2_A4_T5.js
     8  * @description Using the rule of sum of two zeroes and the fact that a - b = a + (-b)
     9  */
    11 //CHECK#1
    12 if (-0 - -0 !== 0 ) {  
    13   $ERROR('#1.1: -0 - -0 === 0. Actual: ' + (-0 - -0));
    14 } else {
    15   if (1 / (-0 - -0) !== Number.POSITIVE_INFINITY) {
    16     $ERROR('#1.2: -0 - -0 === + 0. Actual: -0');
    17   }
    18 }
    20 //CHECK#2
    21 if (0 - -0 !== 0 ) {  
    22   $ERROR('#2.1: 0 - -0 === 0. Actual: ' + (0 - -0));
    23 } else {
    24   if (1 / (0 - -0) !== Number.POSITIVE_INFINITY) {
    25     $ERROR('#2.2: 0 - -0 === + 0. Actual: -0');
    26   }
    27 }
    29 //CHECK#3
    30 if (-0 - 0 !== -0 ) {  
    31   $ERROR('#3.1: -0 - 0 === 0. Actual: ' + (-0 - 0));
    32 } else {
    33   if (1 / (-0 - 0) !== Number.NEGATIVE_INFINITY) {
    34     $ERROR('#3.2: -0 - 0 === - 0. Actual: +0');
    35   }
    36 }
    38 //CHECK#4
    39 if (0 - 0 !== 0 ) {  
    40   $ERROR('#4.1: 0 - 0 === 0. Actual: ' + (0 - 0));
    41 } else {
    42   if (1 / (0 - 0) !== Number.POSITIVE_INFINITY) {
    43     $ERROR('#4.2: 0 - 0 === + 0. Actual: -0');
    44   }
    45 }

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