tests/mozilla/ecma/Math/15.8.2.7.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:          15.8.2.7.js
  24     ECMA Section:       15.8.2.7 cos( x )
  25     Description:        return an approximation to the cosine of the
  26                         argument.  argument is expressed in radians
  27     Author:             christine@netscape.com
  28     Date:               7 july 1997
  29
  30 */
  31
  32     var SECTION = "15.8.2.7";
  33     var VERSION = "ECMA_1";
  34     startTest();
  35     var TITLE   = "Math.cos(x)";
  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.cos.length",       1,                      Math.cos.length );
  47
  48     array[item++] = new TestCase( SECTION, "Math.cos()",            Number.NaN,             Math.cos() );
  49     array[item++] = new TestCase( SECTION, "Math.cos(void 0)",      Number.NaN,             Math.cos(void 0) );
  50     array[item++] = new TestCase( SECTION, "Math.cos(false)",       1,                      Math.cos(false) );
  51     array[item++] = new TestCase( SECTION, "Math.cos(null)",        1,                      Math.cos(null) );
  52
  53     array[item++] = new TestCase( SECTION, "Math.cos('0')",         1,                      Math.cos('0') );
  54     array[item++] = new TestCase( SECTION, "Math.cos('Infinity')",  Number.NaN,             Math.cos("Infinity") );
  55     array[item++] = new TestCase( SECTION, "Math.cos('3.14159265359')",  -1,                 Math.cos('3.14159265359') );
  56
  57     array[item++] = new TestCase( SECTION, "Math.cos(NaN)",          Number.NaN,             Math.cos(Number.NaN)        );
  58     array[item++] = new TestCase( SECTION, "Math.cos(0)",            1,                      Math.cos(0)                 );
  59     array[item++] = new TestCase( SECTION, "Math.cos(-0)",           1,                      Math.cos(-0)                );
  60     array[item++] = new TestCase( SECTION, "Math.cos(Infinity)",     Number.NaN,             Math.cos(Number.POSITIVE_INFINITY) );
  61     array[item++] = new TestCase( SECTION, "Math.cos(-Infinity)",    Number.NaN,             Math.cos(Number.NEGATIVE_INFINITY) );
  62     array[item++] = new TestCase( SECTION, "Math.cos(0.7853981633974)", 0.7071067811865,    Math.cos(0.7853981633974)   );
  63     array[item++] = new TestCase( SECTION, "Math.cos(1.570796326795)",   0,                  Math.cos(1.570796326795)    );
  64     array[item++] = new TestCase( SECTION, "Math.cos(2.356194490192)",  -0.7071067811865,   Math.cos(2.356194490192)    );
  65     array[item++] = new TestCase( SECTION, "Math.cos(3.14159265359)",   -1,                 Math.cos(3.14159265359)     );
  66     array[item++] = new TestCase( SECTION, "Math.cos(3.926990816987)",  -0.7071067811865,   Math.cos(3.926990816987)    );
  67     array[item++] = new TestCase( SECTION, "Math.cos(4.712388980385)",  0,                  Math.cos(4.712388980385)    );
  68     array[item++] = new TestCase( SECTION, "Math.cos(5.497787143782)",  0.7071067811865,    Math.cos(5.497787143782)    );
  69     array[item++] = new TestCase( SECTION, "Math.cos(Math.PI*2)",           1,                  Math.cos(Math.PI*2)         );
  70     array[item++] = new TestCase( SECTION, "Math.cos(Math.PI/4)",           Math.SQRT2/2,       Math.cos(Math.PI/4)         );
  71     array[item++] = new TestCase( SECTION, "Math.cos(Math.PI/2)",           0,                  Math.cos(Math.PI/2)         );
  72     array[item++] = new TestCase( SECTION, "Math.cos(3*Math.PI/4)",         -Math.SQRT2/2,      Math.cos(3*Math.PI/4)       );
  73     array[item++] = new TestCase( SECTION, "Math.cos(Math.PI)",         -1,                 Math.cos(Math.PI)           );
  74     array[item++] = new TestCase( SECTION, "Math.cos(5*Math.PI/4)",         -Math.SQRT2/2,      Math.cos(5*Math.PI/4)       );
  75     array[item++] = new TestCase( SECTION, "Math.cos(3*Math.PI/2)",         0,                  Math.cos(3*Math.PI/2)       );
  76     array[item++] = new TestCase( SECTION, "Math.cos(7*Math.PI/4)",         Math.SQRT2/2,       Math.cos(7*Math.PI/4)       );
  77     array[item++] = new TestCase( SECTION, "Math.cos(Math.PI*2)",           1,                  Math.cos(2*Math.PI)         );
  78     array[item++] = new TestCase( SECTION, "Math.cos(-0.7853981633974)",        0.7071067811865,    Math.cos(-0.7853981633974)  );
  79     array[item++] = new TestCase( SECTION, "Math.cos(-1.570796326795)", 0,                  Math.cos(-1.570796326795)   );
  80     array[item++] = new TestCase( SECTION, "Math.cos(-2.3561944901920)",        -.7071067811865,    Math.cos(2.3561944901920)   );
  81     array[item++] = new TestCase( SECTION, "Math.cos(-3.14159265359)",  -1,                 Math.cos(3.14159265359)     );
  82     array[item++] = new TestCase( SECTION, "Math.cos(-3.926990816987)", -0.7071067811865,   Math.cos(3.926990816987)    );
  83     array[item++] = new TestCase( SECTION, "Math.cos(-4.712388980385)", 0,                  Math.cos(4.712388980385)    );
  84     array[item++] = new TestCase( SECTION, "Math.cos(-5.497787143782)", 0.7071067811865,    Math.cos(5.497787143782)    );
  85     array[item++] = new TestCase( SECTION, "Math.cos(-6.28318530718)",  1,                  Math.cos(6.28318530718)     );
  86     array[item++] = new TestCase( SECTION, "Math.cos(-Math.PI/4)",          Math.SQRT2/2,       Math.cos(-Math.PI/4)        );
  87     array[item++] = new TestCase( SECTION, "Math.cos(-Math.PI/2)",          0,                  Math.cos(-Math.PI/2)        );
  88     array[item++] = new TestCase( SECTION, "Math.cos(-3*Math.PI/4)",        -Math.SQRT2/2,      Math.cos(-3*Math.PI/4)      );
  89     array[item++] = new TestCase( SECTION, "Math.cos(-Math.PI)",                -1,                 Math.cos(-Math.PI)          );
  90     array[item++] = new TestCase( SECTION, "Math.cos(-5*Math.PI/4)",        -Math.SQRT2/2,      Math.cos(-5*Math.PI/4)      );
  91     array[item++] = new TestCase( SECTION, "Math.cos(-3*Math.PI/2)",        0,                  Math.cos(-3*Math.PI/2)      );
  92     array[item++] = new TestCase( SECTION, "Math.cos(-7*Math.PI/4)",        Math.SQRT2/2,       Math.cos(-7*Math.PI/4)      );
  93     array[item++] = new TestCase( SECTION, "Math.cos(-Math.PI*2)",          1,                  Math.cos(-Math.PI*2)        );
  94
  95     return ( array );
  96 }
  97
  98
  99 function test() {
 100     for ( tc=0; tc < testcases.length; tc++ ) {
 101         testcases[tc].passed = writeTestCaseResult(
 102                             testcases[tc].expect,
 103                             testcases[tc].actual,
 104                             testcases[tc].description +" = "+
 105                             testcases[tc].actual );
 106
 107         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
 108     }
 109     stopTest();
 110     return ( testcases );
 111 }