tests/mozilla/ecma/Math/15.8.2.14.js

   1 /* The contents of this file are subject to the Netscape Public
   2  * License Version 1.1 (the "License"); you may not use this file
   3  * except in compliance with the License. You may obtain a copy of
   4  * the License at http://www.mozilla.org/NPL/
   5  *
   6  * Software distributed under the License is distributed on an "AS
   7  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
   8  * implied. See the License for the specific language governing
   9  * rights and limitations under the License.
  10  *
  11  * The Original Code is Mozilla Communicator client code, released March
  12  * 31, 1998.
  13  *
  14  * The Initial Developer of the Original Code is Netscape Communications
  15  * Corporation. Portions created by Netscape are
  16  * Copyright (C) 1998 Netscape Communications Corporation. All
  17  * Rights Reserved.
  18  *
  19  * Contributor(s):
  20  *
  21  */
  22 /**
  23     File Name:          15.8.2.14.js
  24     ECMA Section:       15.8.2.14 Math.random()
  25                         returns a number value x with a positive sign
  26                         with 1 > x >= 0 with approximately uniform
  27                         distribution over that range, using an
  28                         implementation-dependent algorithm or strategy.
  29                         This function takes no arguments.
  30
  31     Description:
  32     Author:             christine@netscape.com
  33     Date:               16 september 1997
  34 */
  35
  36     var SECTION = "15.8.2.14";
  37     var VERSION = "ECMA_1";
  38     startTest();
  39     var TITLE   = "Math.random()";
  40
  41     writeHeaderToLog( SECTION + " "+ TITLE);
  42
  43     var testcases = getTestCases();
  44     test();
  45
  46
  47 function getTestCases() {
  48     var array = new Array();
  49     var item = 0;
  50
  51     for ( item = 0; item < 100; item++ ) {
  52         array[item] = new TestCase( SECTION,  "Math.random()",    "pass",    null );
  53     }
  54
  55     return ( array );
  56 }
  57 function getRandom( caseno ) {
  58     testcases[caseno].reason = Math.random();
  59     testcases[caseno].actual = "pass";
  60
  61     if ( ! ( testcases[caseno].reason >= 0) ) {
  62         testcases[caseno].actual = "fail";
  63     }
  64
  65     if ( ! (testcases[caseno].reason < 1) ) {
  66         testcases[caseno].actual = "fail";
  67     }
  68 }
  69
  70 function test() {
  71     for ( tc=0; tc < testcases.length; tc++ ) {
  72         getRandom( tc );
  73         testcases[tc].passed = writeTestCaseResult(
  74                             testcases[tc].expect,
  75                             testcases[tc].actual,
  76                             testcases[tc].description +" = "+
  77                             testcases[tc].actual );
  78
  79         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
  80     }
  81     stopTest();
  82     return ( testcases );
  83 }