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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:          15.8.2.11.js
     24     ECMA Section:       15.8.2.11 Math.max(x, y)
     25     Description:        return the smaller of the two arguments.
     26                         special cases:
     27                             - if x is NaN or y is NaN   return NaN
     28                             - if x < y                  return x
     29                             - if y > x                  return y
     30                             - if x is +0 and y is +0    return +0
     31                             - if x is +0 and y is -0    return -0
     32                             - if x is -0 and y is +0    return -0
     33                             - if x is -0 and y is -0    return -0
     34     Author:             christine (at) netscape.com
     35     Date:               7 july 1997
     36 */
     37 
     38     var SECTION = "15.8.2.11";
     39     var VERSION = "ECMA_1";
     40     startTest();
     41     var TITLE   = "Math.max(x, y)";
     42     var BUGNUMBER="76439";
     43 
     44     writeHeaderToLog( SECTION + " "+ TITLE);
     45 
     46     var testcases = getTestCases();
     47     test();
     48 
     49 function getTestCases() {
     50     var array = new Array();
     51     var item = 0;
     52 
     53     array[item++] = new TestCase( SECTION,  "Math.max.length",              2,              Math.max.length );
     54 
     55     array[item++] = new TestCase( SECTION,  "Math.max()",                   -Infinity,      Math.max() );
     56     array[item++] = new TestCase( SECTION,  "Math.max(void 0, 1)",          Number.NaN,     Math.max( void 0, 1 ) );
     57     array[item++] = new TestCase( SECTION,  "Math.max(void 0, void 0)",     Number.NaN,     Math.max( void 0, void 0 ) );
     58     array[item++] = new TestCase( SECTION,  "Math.max(null, 1)",            1,              Math.max( null, 1 ) );
     59     array[item++] = new TestCase( SECTION,  "Math.max(-1, null)",           0,              Math.max( -1, null ) );
     60     array[item++] = new TestCase( SECTION,  "Math.max(true, false)",        1,              Math.max(true,false) );
     61 
     62     array[item++] = new TestCase( SECTION,  "Math.max('-99','99')",          99,             Math.max( "-99","99") );
     63 
     64     array[item++] = new TestCase( SECTION,  "Math.max(NaN, Infinity)",      Number.NaN,     Math.max(Number.NaN,Number.POSITIVE_INFINITY) );
     65     array[item++] = new TestCase( SECTION,  "Math.max(NaN, 0)",             Number.NaN,     Math.max(Number.NaN, 0) );
     66     array[item++] = new TestCase( SECTION,  "Math.max('a string', 0)",      Number.NaN,     Math.max("a string", 0) );
     67     array[item++] = new TestCase( SECTION,  "Math.max(NaN, 1)",             Number.NaN,     Math.max(Number.NaN,1) );
     68     array[item++] = new TestCase( SECTION,  "Math.max('a string',Infinity)", Number.NaN,    Math.max("a string", Number.POSITIVE_INFINITY) );
     69     array[item++] = new TestCase( SECTION,  "Math.max(Infinity, NaN)",      Number.NaN,     Math.max( Number.POSITIVE_INFINITY, Number.NaN) );
     70     array[item++] = new TestCase( SECTION,  "Math.max(NaN, NaN)",           Number.NaN,     Math.max(Number.NaN, Number.NaN) );
     71     array[item++] = new TestCase( SECTION,  "Math.max(0,NaN)",              Number.NaN,     Math.max(0,Number.NaN) );
     72     array[item++] = new TestCase( SECTION,  "Math.max(1, NaN)",             Number.NaN,     Math.max(1, Number.NaN) );
     73     array[item++] = new TestCase( SECTION,  "Math.max(0,0)",                0,              Math.max(0,0) );
     74     array[item++] = new TestCase( SECTION,  "Math.max(0,-0)",               0,              Math.max(0,-0) );
     75     array[item++] = new TestCase( SECTION,  "Math.max(-0,0)",               0,              Math.max(-0,0) );
     76     array[item++] = new TestCase( SECTION,  "Math.max(-0,-0)",              -0,             Math.max(-0,-0) );
     77     array[item++] = new TestCase( SECTION,  "Infinity/Math.max(-0,-0)",              -Infinity,             Infinity/Math.max(-0,-0) );
     78     array[item++] = new TestCase( SECTION,  "Math.max(Infinity, Number.MAX_VALUE)", Number.POSITIVE_INFINITY,   Math.max(Number.POSITIVE_INFINITY, Number.MAX_VALUE) );
     79     array[item++] = new TestCase( SECTION,  "Math.max(Infinity, Infinity)",         Number.POSITIVE_INFINITY,   Math.max(Number.POSITIVE_INFINITY,Number.POSITIVE_INFINITY) );
     80     array[item++] = new TestCase( SECTION,  "Math.max(-Infinity,-Infinity)",        Number.NEGATIVE_INFINITY,   Math.max(Number.NEGATIVE_INFINITY,Number.NEGATIVE_INFINITY) );
     81     array[item++] = new TestCase( SECTION,  "Math.max(1,.99999999999999)",          1,                          Math.max(1,.99999999999999) );
     82     array[item++] = new TestCase( SECTION,  "Math.max(-1,-.99999999999999)",        -.99999999999999,           Math.max(-1,-.99999999999999) );
     83 
     84     return ( array );
     85 }
     86 function test() {
     87     for ( tc=0; tc < testcases.length; tc++ ) {
     88         testcases[tc].passed = writeTestCaseResult(
     89                             testcases[tc].expect,
     90                             testcases[tc].actual,
     91                             testcases[tc].description +" = "+
     92                             testcases[tc].actual );
     93 
     94         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
     95     }
     96     stopTest();
     97     return ( testcases );
     98 }
     99