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      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:          15.8.2.1.js
     24     ECMA Section:       15.8.2.1 abs( x )
     25     Description:        return the absolute value of the argument,
     26                         which should be the magnitude of the argument
     27                         with a positive sign.
     28                         -   if x is NaN, return NaN
     29                         -   if x is -0, result is +0
     30                         -   if x is -Infinity, result is +Infinity
     31     Author:             christine (at) netscape.com
     32     Date:               7 july 1997
     33 */
     34     var SECTION = "15.8.2.1";
     35     var VERSION = "ECMA_1";
     36     startTest();
     37     var TITLE   = "Math.abs()";
     38     var BUGNUMBER = "77391";
     39 
     40     writeHeaderToLog( SECTION + " "+ TITLE);
     41 
     42     var testcases = getTestCases();
     43     test();
     44 
     45 function getTestCases() {
     46     var array = new Array();
     47     var item = 0;
     48 
     49     array[item++] = new TestCase( SECTION,   "Math.abs.length",             1,              Math.abs.length );
     50 
     51     array[item++] = new TestCase( SECTION,   "Math.abs()",                  Number.NaN,     Math.abs() );
     52     array[item++] = new TestCase( SECTION,   "Math.abs( void 0 )",          Number.NaN,     Math.abs(void 0) );
     53     array[item++] = new TestCase( SECTION,   "Math.abs( null )",            0,              Math.abs(null) );
     54     array[item++] = new TestCase( SECTION,   "Math.abs( true )",            1,              Math.abs(true) );
     55     array[item++] = new TestCase( SECTION,   "Math.abs( false )",           0,              Math.abs(false) );
     56     array[item++] = new TestCase( SECTION,   "Math.abs( string primitive)", Number.NaN,     Math.abs("a string primitive")                  );
     57     array[item++] = new TestCase( SECTION,   "Math.abs( string object )",   Number.NaN,     Math.abs(new String( 'a String object' ))       );
     58     array[item++] = new TestCase( SECTION,   "Math.abs( Number.NaN )",      Number.NaN,     Math.abs(Number.NaN) );
     59 
     60     array[item++] = new TestCase( SECTION,   "Math.abs(0)",                 0,              Math.abs( 0 )                                   );
     61     array[item++] = new TestCase( SECTION,   "Math.abs( -0 )",              0,              Math.abs(-0) );
     62     array[item++] = new TestCase( SECTION,   "Infinity/Math.abs(-0)",      Infinity,        Infinity/Math.abs(-0) );
     63 
     64     array[item++] = new TestCase( SECTION,   "Math.abs( -Infinity )",       Number.POSITIVE_INFINITY,   Math.abs( Number.NEGATIVE_INFINITY ) );
     65     array[item++] = new TestCase( SECTION,   "Math.abs( Infinity )",        Number.POSITIVE_INFINITY,   Math.abs( Number.POSITIVE_INFINITY ) );
     66     array[item++] = new TestCase( SECTION,   "Math.abs( - MAX_VALUE )",     Number.MAX_VALUE,           Math.abs( - Number.MAX_VALUE )       );
     67     array[item++] = new TestCase( SECTION,   "Math.abs( - MIN_VALUE )",     Number.MIN_VALUE,           Math.abs( -Number.MIN_VALUE )        );
     68     array[item++] = new TestCase( SECTION,   "Math.abs( MAX_VALUE )",       Number.MAX_VALUE,           Math.abs( Number.MAX_VALUE )       );
     69     array[item++] = new TestCase( SECTION,   "Math.abs( MIN_VALUE )",       Number.MIN_VALUE,           Math.abs( Number.MIN_VALUE )        );
     70 
     71     array[item++] = new TestCase( SECTION,   "Math.abs( -1 )",               1,                          Math.abs( -1 )                       );
     72     array[item++] = new TestCase( SECTION,   "Math.abs( new Number( -1 ) )", 1,                          Math.abs( new Number(-1) )           );
     73     array[item++] = new TestCase( SECTION,   "Math.abs( 1 )",                1,                          Math.abs( 1 ) );
     74     array[item++] = new TestCase( SECTION,   "Math.abs( Math.PI )",          Math.PI,                    Math.abs( Math.PI ) );
     75     array[item++] = new TestCase( SECTION,   "Math.abs( -Math.PI )",         Math.PI,                    Math.abs( -Math.PI ) );
     76     array[item++] = new TestCase( SECTION,   "Math.abs(-1/100000000)",       1/100000000,                Math.abs(-1/100000000) );
     77     array[item++] = new TestCase( SECTION,   "Math.abs(-Math.pow(2,32))",    Math.pow(2,32),             Math.abs(-Math.pow(2,32)) );
     78     array[item++] = new TestCase( SECTION,   "Math.abs(Math.pow(2,32))",     Math.pow(2,32),             Math.abs(Math.pow(2,32)) );
     79     array[item++] = new TestCase( SECTION,   "Math.abs( -0xfff )",           4095,                       Math.abs( -0xfff ) );
     80     array[item++] = new TestCase( SECTION,   "Math.abs( -0777 )",            511,                        Math.abs(-0777 ) );
     81 
     82     array[item++] = new TestCase( SECTION,   "Math.abs('-1e-1')",           0.1,            Math.abs('-1e-1') );
     83     array[item++] = new TestCase( SECTION,   "Math.abs('0xff')",            255,            Math.abs('0xff') );
     84     array[item++] = new TestCase( SECTION,   "Math.abs('077')",             77,             Math.abs('077') );
     85     array[item++] = new TestCase( SECTION,   "Math.abs( 'Infinity' )",      Infinity,       Math.abs('Infinity') );
     86     array[item++] = new TestCase( SECTION,   "Math.abs( '-Infinity' )",     Infinity,       Math.abs('-Infinity') );
     87 
     88     return ( array );
     89 }
     90 
     91 function test() {
     92     for ( tc=0; tc < testcases.length; tc++ ) {
     93         testcases[tc].passed = writeTestCaseResult(
     94                             testcases[tc].expect,
     95                             testcases[tc].actual,
     96                             testcases[tc].description +" = "+
     97                             testcases[tc].actual );
     98 
     99         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
    100     }
    101     stopTest();
    102     return ( testcases );
    103 }
    104