tests/mozilla/ecma/Math/15.8.2.5.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:          15.8.2.5.js
  24     ECMA Section:       15.8.2.5 atan2( y, x )
  25     Description:
  26
  27     Author:             christine@netscape.com
  28     Date:               7 july 1997
  29
  30 */
  31     var SECTION = "15.8.2.5";
  32     var VERSION = "ECMA_1";
  33     startTest();
  34     var TITLE   = "Math.atan2(x,y)";
  35     var BUGNUMBER="76111";
  36
  37     writeHeaderToLog( SECTION + " "+ TITLE);
  38
  39     var testcases = getTestCases();
  40     test();
  41
  42 function getTestCases() {
  43     var array = new Array();
  44     var item = 0;
  45
  46     array[item++] = new TestCase( SECTION,   "Math.atan2.length",       2,              Math.atan2.length );
  47
  48     array[item++] = new TestCase( SECTION,   "Math.atan2(NaN, 0)",      Number.NaN,     Math.atan2(Number.NaN,0) );
  49     array[item++] = new TestCase( SECTION,   "Math.atan2(null, null)",  0,              Math.atan2(null, null) );
  50     array[item++] = new TestCase( SECTION,   "Math.atan2(void 0, void 0)",       Number.NaN,     Math.atan2(void 0, void 0) );
  51     array[item++] = new TestCase( SECTION,   "Math.atan2()",       Number.NaN,                  Math.atan2() );
  52
  53     array[item++] = new TestCase( SECTION,   "Math.atan2(0, NaN)",       Number.NaN,     Math.atan2(0,Number.NaN) );
  54     array[item++] = new TestCase( SECTION,   "Math.atan2(1, 0)",         Math.PI/2,      Math.atan2(1,0)          );
  55     array[item++] = new TestCase( SECTION,   "Math.atan2(1,-0)",         Math.PI/2,      Math.atan2(1,-0)         );
  56     array[item++] = new TestCase( SECTION,   "Math.atan2(0,0.001)",      0,              Math.atan2(0,0.001)      );
  57     array[item++] = new TestCase( SECTION,   "Math.atan2(0,0)",          0,              Math.atan2(0,0)          );
  58     array[item++] = new TestCase( SECTION,   "Math.atan2(0, -0)",        Math.PI,        Math.atan2(0,-0)         );
  59     array[item++] = new TestCase( SECTION,   "Math.atan2(0, -1)",        Math.PI,        Math.atan2(0, -1)        );
  60
  61     array[item++] = new TestCase( SECTION,   "Math.atan2(-0, 1)",        -0,             Math.atan2(-0, 1)        );
  62     array[item++] = new TestCase( SECTION,   "Infinity/Math.atan2(-0, 1)", -Infinity,   Infinity/Math.atan2(-0,1) );
  63
  64     array[item++] = new TestCase( SECTION,   "Math.atan2(-0,    0)",            -0,             Math.atan2(-0,0)         );
  65     array[item++] = new TestCase( SECTION,   "Math.atan2(-0,    -0)",           -Math.PI,       Math.atan2(-0, -0)       );
  66     array[item++] = new TestCase( SECTION,   "Math.atan2(-0,    -1)",           -Math.PI,       Math.atan2(-0, -1)       );
  67     array[item++] = new TestCase( SECTION,   "Math.atan2(-1,    0)",            -Math.PI/2,     Math.atan2(-1, 0)        );
  68     array[item++] = new TestCase( SECTION,   "Math.atan2(-1,    -0)",           -Math.PI/2,     Math.atan2(-1, -0)       );
  69     array[item++] = new TestCase( SECTION,   "Math.atan2(1, Infinity)",  0,              Math.atan2(1, Number.POSITIVE_INFINITY) );
  70     array[item++] = new TestCase( SECTION,   "Math.atan2(1,-Infinity)",  Math.PI,       Math.atan2(1, Number.NEGATIVE_INFINITY) );
  71
  72     array[item++] = new TestCase( SECTION,   "Math.atan2(-1, Infinity)", -0,            Math.atan2(-1,Number.POSITIVE_INFINITY) );
  73     array[item++] = new TestCase( SECTION,   "Infinity/Math.atan2(-1, Infinity)",   -Infinity,  Infinity/Math.atan2(-1,Infinity) );
  74
  75     array[item++] = new TestCase( SECTION,   "Math.atan2(-1,-Infinity)", -Math.PI,       Math.atan2(-1,Number.NEGATIVE_INFINITY) );
  76     array[item++] = new TestCase( SECTION,   "Math.atan2(Infinity, 0)",  Math.PI/2,      Math.atan2(Number.POSITIVE_INFINITY, 0) );
  77     array[item++] = new TestCase( SECTION,   "Math.atan2(Infinity, 1)",  Math.PI/2,      Math.atan2(Number.POSITIVE_INFINITY, 1) );
  78     array[item++] = new TestCase( SECTION,   "Math.atan2(Infinity,-1)",  Math.PI/2,      Math.atan2(Number.POSITIVE_INFINITY,-1) );
  79     array[item++] = new TestCase( SECTION,   "Math.atan2(Infinity,-0)",  Math.PI/2,      Math.atan2(Number.POSITIVE_INFINITY,-0) );
  80     array[item++] = new TestCase( SECTION,   "Math.atan2(-Infinity, 0)", -Math.PI/2,     Math.atan2(Number.NEGATIVE_INFINITY, 0) );
  81     array[item++] = new TestCase( SECTION,   "Math.atan2(-Infinity,-0)", -Math.PI/2,     Math.atan2(Number.NEGATIVE_INFINITY,-0) );
  82     array[item++] = new TestCase( SECTION,   "Math.atan2(-Infinity, 1)", -Math.PI/2,     Math.atan2(Number.NEGATIVE_INFINITY, 1) );
  83     array[item++] = new TestCase( SECTION,   "Math.atan2(-Infinity, -1)", -Math.PI/2,    Math.atan2(Number.NEGATIVE_INFINITY,-1) );
  84     array[item++] = new TestCase( SECTION,   "Math.atan2(Infinity, Infinity)",   Math.PI/4,      Math.atan2(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY) );
  85     array[item++] = new TestCase( SECTION,   "Math.atan2(Infinity, -Infinity)",  3*Math.PI/4,    Math.atan2(Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY) );
  86     array[item++] = new TestCase( SECTION,   "Math.atan2(-Infinity, Infinity)",  -Math.PI/4,     Math.atan2(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY) );
  87     array[item++] = new TestCase( SECTION,   "Math.atan2(-Infinity, -Infinity)", -3*Math.PI/4,   Math.atan2(Number.NEGATIVE_INFINITY, Number.NEGATIVE_INFINITY) );
  88     array[item++] = new TestCase( SECTION,   "Math.atan2(-1, 1)",        -Math.PI/4,     Math.atan2( -1, 1) );
  89
  90     return array;
  91 }
  92
  93 function test() {
  94     for ( tc=0; tc < testcases.length; tc++ ) {
  95         testcases[tc].passed = writeTestCaseResult(
  96                             testcases[tc].expect,
  97                             testcases[tc].actual,
  98                             testcases[tc].description +" = "+
  99                             testcases[tc].actual );
 100
 101         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
 102     }
 103     stopTest();
 104     return ( testcases );
 105 }