tests/mozilla/ecma_2/Exceptions/date-003.js

   1 /**
   2     File Name:          date-003.js
   3     Corresponds To      15.9.5.3-1.js
   4     ECMA Section:       15.9.5.3-1 Date.prototype.valueOf
   5     Description:
   6
   7     The valueOf function returns a number, which is this time value.
   8
   9     The valueOf function is not generic; it generates a runtime error if
  10     its this value is not a Date object.  Therefore it cannot be transferred
  11     to other kinds of objects for use as a method.
  12
  13     Author:             christine@netscape.com
  14     Date:               12 november 1997
  15 */
  16     var SECTION = "date-003";
  17     var VERSION = "JS1_4";
  18     var TITLE   = "Date.prototype.valueOf";
  19
  20     startTest();
  21     writeHeaderToLog( SECTION + " "+ TITLE);
  22
  23     var tc = 0;
  24     var testcases = new Array();
  25
  26     var result = "Failed";
  27     var exception = "No exception thrown";
  28     var expect = "Passed";
  29
  30     try {
  31         var OBJ = new MyObject( new Date(0) );
  32         result = OBJ.valueOf();
  33     } catch ( e ) {
  34         result = expect;
  35         exception = e.toString();
  36     }
  37
  38     testcases[tc++] = new TestCase(
  39         SECTION,
  40         "OBJ = new MyObject( new Date(0)); OBJ.valueOf()" +
  41         " (threw " + exception +")",
  42         expect,
  43         result );
  44
  45     test();
  46
  47 function MyObject( value ) {
  48     this.value = value;
  49     this.valueOf = Date.prototype.valueOf;
  50 //  The following line causes an infinte loop
  51 //    this.toString = new Function( "return this+\"\";");
  52     return this;
  53 }