tests/mozilla/ecma/Math/15.8.1.3-2.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:          15.8.1.3-3.js
  24     ECMA Section:       15.8.1.3.js
  25     Description:        All value properties of the Math object should have
  26                         the attributes [DontEnum, DontDelete, ReadOnly]
  27
  28                         this test checks the DontDelete attribute of Math.LN2
  29
  30     Author:             christine@netscape.com
  31     Date:               16 september 1997
  32 */
  33
  34     var SECTION = "15.8.1.3-2";
  35     var VERSION = "ECMA_1";
  36     startTest();
  37     var TITLE   = "Math.LN2";
  38
  39     writeHeaderToLog( SECTION + " "+ TITLE);
  40
  41     var testcases = getTestCases();
  42     test();
  43
  44
  45 function getTestCases() {
  46     var array = new Array();
  47     var item = 0;
  48
  49     var MATH_LN2 = 0.6931471805599453;
  50
  51     array[item++] = new TestCase( SECTION, "delete(Math.LN2)",              false,          "delete(Math.LN2)" );
  52     array[item++] = new TestCase( SECTION, "delete(Math.LN2); Math.LN2",    MATH_LN2,       "delete(Math.LN2); Math.LN2" );
  53
  54     return ( array );
  55 }
  56 function test() {
  57     for ( tc=0; tc < testcases.length; tc++ ) {
  58         testcases[tc].actual = eval( testcases[tc].actual );
  59         testcases[tc].passed = writeTestCaseResult(
  60                             testcases[tc].expect,
  61                             testcases[tc].actual,
  62                             testcases[tc].description +" = "+
  63                             testcases[tc].actual );
  64
  65         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "property should be read-only ";
  66     }
  67     stopTest();
  68     return ( testcases );
  69 }