gecko/js/tests/ecma/Date/15.9.1.1-2.js

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gTestfile = '15.9.1.1-2.js';

/**
   File Name:          15.9.1.1-2.js
   ECMA Section:       15.9.1.1 Time Range
   Description:
   - leap seconds are ignored
   - assume 86400000 ms / day
   - numbers range fom +/- 9,007,199,254,740,991
   - ms precision for any instant that is within
   approximately +/-285,616 years from 1 jan 1970
   UTC
   - range of times supported is -100,000,000 days
   to 100,000,000 days from 1 jan 1970 12:00 am
   - time supported is 8.64e5*10e8 milliseconds from
   1 jan 1970 UTC  (+/-273972.6027397 years)
   Author:             christine@netscape.com
   Date:               9 july 1997
*/

//  every one hundred years contains:
//    24 years with 366 days
//
//  every four hundred years contains:
//    97 years with 366 days
//   303 years with 365 days
//
//   86400000*366*97  =    3067372800000
//  +86400000*365*303 =  + 9555408000000
//                    =    1.26227808e+13

var FOUR_HUNDRED_YEARS = 1.26227808e+13;
var SECTION         =  "15.9.1.1-2";

writeHeaderToLog("15.9.1.1 Time Range");

var M_SECS;
var CURRENT_YEAR;

for ( M_SECS = 0, CURRENT_YEAR = 1970;
      M_SECS > -8640000000000000;
      M_SECS -= FOUR_HUNDRED_YEARS, CURRENT_YEAR -= 400 ) {

  new TestCase( SECTION,
		"new Date("+M_SECS+")",
		CURRENT_YEAR,
		(new Date( M_SECS )).getUTCFullYear() );

}

test();