tor-browser

The Tor Browser
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S11.5.2_A4_T8.js (1944B)

      1 // Copyright 2009 the Sputnik authors.  All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 info: |
      6    The result of division is determined by the specification of IEEE 754
      7    arithmetics
      8 es5id: 11.5.2_A4_T8
      9 description: >
     10    Division of a zero by any non-zero finite value -0 results in zero
     11    of appropriate sign
     12 ---*/
     13 
     14 //CHECK#1
     15 if (-0 / 1 !== -0) {
     16  throw new Test262Error('#1.1: -0 / 1 === 0. Actual: ' + (-0 / 1));
     17 } else {
     18  if (1 / (-0 / 1) !== Number.NEGATIVE_INFINITY) {
     19    throw new Test262Error('#1.2: -0 / 1 === - 0. Actual: +0');
     20  }
     21 }
     22 
     23 //CHECK#2
     24 if (-0 / -1 !== +0) {
     25  throw new Test262Error('#2.1: -0 / -1 === 0. Actual: ' + (-0 / -1));
     26 } else {
     27  if (1 / (-0 / -1) !== Number.POSITIVE_INFINITY) {
     28    throw new Test262Error('#2.2: -0 / -1 === + 0. Actual: -0');
     29  }
     30 }
     31 
     32 //CHECK#3
     33 if (+0 / 1 !== +0) {
     34  throw new Test262Error('#3.1: +0 / 1 === 0. Actual: ' + (+0 / 1));
     35 } else {
     36  if (1 / (+0 / 1) !== Number.POSITIVE_INFINITY) {
     37    throw new Test262Error('#3.2: +0 / 1 === + 0. Actual: -0');
     38  }
     39 }
     40 
     41 //CHECK#4
     42 if (+0 / -1 !== -0) {
     43  throw new Test262Error('#4.1: +0 / -1 === 0. Actual: ' + (+0 / -1));
     44 } else {
     45  if (1 / (+0 / -1) !== Number.NEGATIVE_INFINITY) {
     46    throw new Test262Error('#4.2: +0 / -1 === - 0. Actual: +0');
     47  }
     48 }
     49 
     50 //CHECK#5
     51 if (+0 / -Number.MAX_VALUE !== -0) {
     52  throw new Test262Error('#5.1: 0 / -Number.MAX_VALUE === 0. Actual: ' + (0 / -Number.MAX_VALUE));
     53 } else {
     54  if (1 / (+0 / -Number.MAX_VALUE) !== Number.NEGATIVE_INFINITY) {
     55    throw new Test262Error('#5.2: +0 / -Number.MAX_VALUE === - 0. Actual: +0');
     56  }
     57 }
     58 
     59 //CHECK#6
     60 if (-0 / Number.MIN_VALUE !== -0) {
     61  throw new Test262Error('#6.1: -0 / Number.MIN_VALUE === 0. Actual: ' + (-0 / Number.MIN_VALUE));
     62 } else {
     63  if (1 / (-0 / Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) {
     64    throw new Test262Error('#6.2: -0 / Number.MIN_VALUE === - 0. Actual: +0');
     65  }
     66 }
     67 
     68 reportCompare(0, 0);