GZ/nwyj/.svn/pristine/e5/e5c9afef7dcdd21302ac6cd6befe03cc6be47121.svn-base

if (!dojo._hasResource["tests.date"]) { // _hasResource checks added by build.
										// Do not use _hasResource directly in
										// your code.
	dojo._hasResource["tests.date"] = true;
	dojo.provide("tests.date");

	dojo.require("dojo.date");

	tests.register("tests.date.util", [

					/***********************************************************
					 * Informational Functions
					 **********************************************************/

					function test_date_getDaysInMonth(t) {
				// months other than February
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 0, 1)));
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 2, 1)));
				t.is(30, dojo.date.getDaysInMonth(new Date(2006, 3, 1)));
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 4, 1)));
				t.is(30, dojo.date.getDaysInMonth(new Date(2006, 5, 1)));
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 6, 1)));
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 7, 1)));
				t.is(30, dojo.date.getDaysInMonth(new Date(2006, 8, 1)));
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 9, 1)));
				t.is(30, dojo.date.getDaysInMonth(new Date(2006, 10, 1)));
				t.is(31, dojo.date.getDaysInMonth(new Date(2006, 11, 1)));

				// Februarys
				t.is(28, dojo.date.getDaysInMonth(new Date(2006, 1, 1)));
				t.is(29, dojo.date.getDaysInMonth(new Date(2004, 1, 1)));
				t.is(29, dojo.date.getDaysInMonth(new Date(2000, 1, 1)));
				t.is(28, dojo.date.getDaysInMonth(new Date(1900, 1, 1)));
				t.is(28, dojo.date.getDaysInMonth(new Date(1800, 1, 1)));
				t.is(28, dojo.date.getDaysInMonth(new Date(1700, 1, 1)));
				t.is(29, dojo.date.getDaysInMonth(new Date(1600, 1, 1)));
			},

			function test_date_isLeapYear(t) {
				t.f(dojo.date.isLeapYear(new Date(2006, 0, 1)));
				t.t(dojo.date.isLeapYear(new Date(2004, 0, 1)));
				t.t(dojo.date.isLeapYear(new Date(2000, 0, 1)));
				t.f(dojo.date.isLeapYear(new Date(1900, 0, 1)));
				t.f(dojo.date.isLeapYear(new Date(1800, 0, 1)));
				t.f(dojo.date.isLeapYear(new Date(1700, 0, 1)));
				t.t(dojo.date.isLeapYear(new Date(1600, 0, 1)));
			},

					// The getTimezone function pulls from either the date's
					// toString or
					// toLocaleString method -- it's really just a
					// string-processing
					// function (assuming the Date obj passed in supporting both
					// toString
					// and toLocaleString) and as such can be tested for
					// multiple browsers
					// by manually settting up fake Date objects with the actual
					// strings
					// produced by various browser/OS combinations.
					// FIXME: the function and tests are not localized.
					function test_date_getTimezoneName(t) {

						// Create a fake Date object with toString and
						// toLocaleString
						// results manually set to simulate tests for multiple
						// browsers
						function fakeDate(str, strLocale) {
							this.str = str || '';
							this.strLocale = strLocale || '';
							this.toString = function() {
								return this.str;
							};
							this.toLocaleString = function() {
								return this.strLocale;
							};
						}
						var dt = new fakeDate();

						// FF 1.5 Ubuntu Linux (Breezy)
						dt.str = 'Sun Sep 17 2006 22:25:51 GMT-0500 (CDT)';
						dt.strLocale = 'Sun 17 Sep 2006 10:25:51 PM CDT';
						t.is('CDT', dojo.date.getTimezoneName(dt));

						// Safari 2.0 Mac OS X 10.4
						dt.str = 'Sun Sep 17 2006 22:55:01 GMT-0500';
						dt.strLocale = 'September 17, 2006 10:55:01 PM CDT';
						t.is('CDT', dojo.date.getTimezoneName(dt));

						// FF 1.5 Mac OS X 10.4
						dt.str = 'Sun Sep 17 2006 22:57:18 GMT-0500 (CDT)';
						dt.strLocale = 'Sun Sep 17 22:57:18 2006';
						t.is('CDT', dojo.date.getTimezoneName(dt));

						// Opera 9 Mac OS X 10.4 -- no TZ data expect empty
						// string return
						dt.str = 'Sun, 17 Sep 2006 22:58:06 GMT-0500';
						dt.strLocale = 'Sunday September 17, 22:58:06 GMT-0500 2006';
						t.is('', dojo.date.getTimezoneName(dt));

						// IE 6 Windows XP
						dt.str = 'Mon Sep 18 11:21:07 CDT 2006';
						dt.strLocale = 'Monday, September 18, 2006 11:21:07 AM';
						t.is('CDT', dojo.date.getTimezoneName(dt));

						// Opera 9 Ubuntu Linux (Breezy) -- no TZ data expect
						// empty string return
						dt.str = 'Mon, 18 Sep 2006 13:30:32 GMT-0500';
						dt.strLocale = 'Monday September 18, 13:30:32 GMT-0500 2006';
						t.is('', dojo.date.getTimezoneName(dt));

						// IE 5.5 Windows 2000
						dt.str = 'Mon Sep 18 13:49:22 CDT 2006';
						dt.strLocale = 'Monday, September 18, 2006 1:49:22 PM';
						t.is('CDT', dojo.date.getTimezoneName(dt));
					}]);

	tests.register("tests.date.math", [function test_date_compare(t) {
						var d1 = allGetServerTime();
						d1.setHours(0);
						var d2 = allGetServerTime();
						d2.setFullYear(2005);
						d2.setHours(12);
						t.is(0, dojo.date.compare(d1, d1));
						t.is(1, dojo.date.compare(d1, d2, "date"));
						t.is(-1, dojo.date.compare(d2, d1, "date"));
						t.is(-1, dojo.date.compare(d1, d2, "time"));
						t.is(1, dojo.date.compare(d1, d2, "datetime"));
					}, function test_date_add(t) {
						var interv = ''; // Interval (e.g., year, month)
						var dtA = null; // Date to increment
						var dtB = null; // Expected result date

						interv = "year";
						dtA = new Date(2005, 11, 27);
						dtB = new Date(2006, 11, 27);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2005, 11, 27);
						dtB = new Date(2004, 11, 27);
						t.is(dtB, dojo.date.add(dtA, interv, -1));

						dtA = new Date(2000, 1, 29);
						dtB = new Date(2001, 1, 28);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 1, 29);
						dtB = new Date(2005, 1, 28);
						t.is(dtB, dojo.date.add(dtA, interv, 5));

						dtA = new Date(1900, 11, 31);
						dtB = new Date(1930, 11, 31);
						t.is(dtB, dojo.date.add(dtA, interv, 30));

						dtA = new Date(1995, 11, 31);
						dtB = new Date(2030, 11, 31);
						t.is(dtB, dojo.date.add(dtA, interv, 35));

						interv = "quarter";
						dtA = new Date(2000, 0, 1);
						dtB = new Date(2000, 3, 1);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 1, 29);
						dtB = new Date(2000, 7, 29);
						t.is(dtB, dojo.date.add(dtA, interv, 2));

						dtA = new Date(2000, 1, 29);
						dtB = new Date(2001, 1, 28);
						t.is(dtB, dojo.date.add(dtA, interv, 4));

						interv = "month";
						dtA = new Date(2000, 0, 1);
						dtB = new Date(2000, 1, 1);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 0, 31);
						dtB = new Date(2000, 1, 29);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 1, 29);
						dtB = new Date(2001, 1, 28);
						t.is(dtB, dojo.date.add(dtA, interv, 12));

						interv = "week";
						dtA = new Date(2000, 0, 1);
						dtB = new Date(2000, 0, 8);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						var interv = "day";
						dtA = new Date(2000, 0, 1);
						dtB = new Date(2000, 0, 2);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2001, 0, 1);
						dtB = new Date(2002, 0, 1);
						t.is(dtB, dojo.date.add(dtA, interv, 365));

						dtA = new Date(2000, 0, 1);
						dtB = new Date(2001, 0, 1);
						t.is(dtB, dojo.date.add(dtA, interv, 366));

						dtA = new Date(2000, 1, 28);
						dtB = new Date(2000, 1, 29);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2001, 1, 28);
						dtB = new Date(2001, 2, 1);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 2, 1);
						dtB = new Date(2000, 1, 29);
						t.is(dtB, dojo.date.add(dtA, interv, -1));

						dtA = new Date(2001, 2, 1);
						dtB = new Date(2001, 1, 28);
						t.is(dtB, dojo.date.add(dtA, interv, -1));

						dtA = new Date(2000, 0, 1);
						dtB = new Date(1999, 11, 31);
						t.is(dtB, dojo.date.add(dtA, interv, -1));

						interv = "weekday";
						// Sat, Jan 1
						dtA = new Date(2000, 0, 1);
						// Should be Mon, Jan 3
						dtB = new Date(2000, 0, 3);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						// Sun, Jan 2
						dtA = new Date(2000, 0, 2);
						// Should be Mon, Jan 3
						dtB = new Date(2000, 0, 3);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						// Sun, Jan 2
						dtA = new Date(2000, 0, 2);
						// Should be Fri, Jan 7
						dtB = new Date(2000, 0, 7);
						t.is(dtB, dojo.date.add(dtA, interv, 5));

						// Sun, Jan 2
						dtA = new Date(2000, 0, 2);
						// Should be Mon, Jan 10
						dtB = new Date(2000, 0, 10);
						t.is(dtB, dojo.date.add(dtA, interv, 6));

						// Mon, Jan 3
						dtA = new Date(2000, 0, 3);
						// Should be Mon, Jan 17
						dtB = new Date(2000, 0, 17);
						t.is(dtB, dojo.date.add(dtA, interv, 10));

						// Sat, Jan 8
						dtA = new Date(2000, 0, 8);
						// Should be Mon, Jan 3
						dtB = new Date(2000, 0, 3);
						t.is(dtB, dojo.date.add(dtA, interv, -5));

						// Sun, Jan 9
						dtA = new Date(2000, 0, 9);
						// Should be Wed, Jan 5
						dtB = new Date(2000, 0, 5);
						t.is(dtB, dojo.date.add(dtA, interv, -3));

						// Sun, Jan 23
						dtA = new Date(2000, 0, 23);
						// Should be Fri, Jan 7
						dtB = new Date(2000, 0, 7);
						t.is(dtB, dojo.date.add(dtA, interv, -11));

						interv = "hour";
						dtA = new Date(2000, 0, 1, 11);
						dtB = new Date(2000, 0, 1, 12);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2001, 9, 28, 0);
						dtB = new Date(2001, 9, 28, 1);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2001, 9, 28, 23);
						dtB = new Date(2001, 9, 29, 0);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2001, 11, 31, 23);
						dtB = new Date(2002, 0, 1, 0);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						interv = "minute";
						dtA = new Date(2000, 11, 31, 23, 59);
						dtB = new Date(2001, 0, 1, 0, 0);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 11, 27, 12, 02);
						dtB = new Date(2000, 11, 27, 13, 02);
						t.is(dtB, dojo.date.add(dtA, interv, 60));

						interv = "second";
						dtA = new Date(2000, 11, 31, 23, 59, 59);
						dtB = new Date(2001, 0, 1, 0, 0, 0);
						t.is(dtB, dojo.date.add(dtA, interv, 1));

						dtA = new Date(2000, 11, 27, 8, 10, 59);
						dtB = new Date(2000, 11, 27, 8, 11, 59);
						t.is(dtB, dojo.date.add(dtA, interv, 60));

						// Test environment JS Date doesn't support millisec?
					// interv = "millisecond";
					//
					// dtA = new Date(2000, 11, 31, 23, 59, 59, 999);
					// dtB = new Date(2001, 0, 1, 0, 0, 0, 0);
					// t.is(dtB, dojo.date.add(dtA, interv, 1));
					//
					// dtA = new Date(2000, 11, 27, 8, 10, 53, 2);
					// dtB = new Date(2000, 11, 27, 8, 10, 54, 2);
					// t.is(dtB, dojo.date.add(dtA, interv, 1000));
				}, function test_date_diff(t) {
					var dtA = null; // First date to compare
					var dtB = null; // Second date to compare
					var interv = ''; // Interval to compare on (e.g., year,
										// month)

					interv = "year";
					dtA = new Date(2005, 11, 27);
					dtB = new Date(2006, 11, 27);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 11, 31);
					dtB = new Date(2001, 0, 1);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					interv = "quarter";
					dtA = new Date(2000, 1, 29);
					dtB = new Date(2001, 2, 1);
					t.is(4, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 11, 1);
					dtB = new Date(2001, 0, 1);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					interv = "month";
					dtA = new Date(2000, 1, 29);
					dtB = new Date(2001, 2, 1);
					t.is(13, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 11, 1);
					dtB = new Date(2001, 0, 1);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					interv = "week";
					dtA = new Date(2000, 1, 1);
					dtB = new Date(2000, 1, 8);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 1, 28);
					dtB = new Date(2000, 2, 6);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 2, 6);
					dtB = new Date(2000, 1, 28);
					t.is(-1, dojo.date.difference(dtA, dtB, interv));

					interv = "day";
					dtA = new Date(2000, 1, 29);
					dtB = new Date(2000, 2, 1);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 11, 31);
					dtB = new Date(2001, 0, 1);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					// DST leap -- check for rounding err
					// This is dependent on US calendar, but
					// shouldn't break in other locales
					dtA = new Date(2005, 3, 3);
					dtB = new Date(2005, 3, 4);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					interv = "weekday";
					dtA = new Date(2006, 7, 3);
					dtB = new Date(2006, 7, 11);
					t.is(6, dojo.date.difference(dtA, dtB, interv));

					// Positive diffs
					dtA = new Date(2006, 7, 4);
					dtB = new Date(2006, 7, 11);
					t.is(5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 5);
					dtB = new Date(2006, 7, 11);
					t.is(5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 6);
					dtB = new Date(2006, 7, 11);
					t.is(5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 7);
					dtB = new Date(2006, 7, 11);
					t.is(4, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 7);
					dtB = new Date(2006, 7, 13);
					t.is(4, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 7);
					dtB = new Date(2006, 7, 14);
					t.is(5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 7);
					dtB = new Date(2006, 7, 15);
					t.is(6, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 7);
					dtB = new Date(2006, 7, 28);
					t.is(15, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 2, 2);
					dtB = new Date(2006, 2, 28);
					t.is(18, dojo.date.difference(dtA, dtB, interv));

					// Negative diffs
					dtA = new Date(2006, 7, 11);
					dtB = new Date(2006, 7, 4);
					t.is(-5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 11);
					dtB = new Date(2006, 7, 5);
					t.is(-4, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 11);
					dtB = new Date(2006, 7, 6);
					t.is(-4, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 11);
					dtB = new Date(2006, 7, 7);
					t.is(-4, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 13);
					dtB = new Date(2006, 7, 7);
					t.is(-5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 14);
					dtB = new Date(2006, 7, 7);
					t.is(-5, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 15);
					dtB = new Date(2006, 7, 7);
					t.is(-6, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 7, 28);
					dtB = new Date(2006, 7, 7);
					t.is(-15, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2006, 2, 28);
					dtB = new Date(2006, 2, 2);
					t.is(-18, dojo.date.difference(dtA, dtB, interv));

					// Two days on the same weekend -- no weekday diff
					dtA = new Date(2006, 7, 5);
					dtB = new Date(2006, 7, 6);
					t.is(0, dojo.date.difference(dtA, dtB, interv));

					interv = "hour";
					dtA = new Date(2000, 11, 31, 23);
					dtB = new Date(2001, 0, 1, 0);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 11, 31, 12);
					dtB = new Date(2001, 0, 1, 0);
					t.is(12, dojo.date.difference(dtA, dtB, interv));

					interv = "minute";
					dtA = new Date(2000, 11, 31, 23, 59);
					dtB = new Date(2001, 0, 1, 0, 0);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 1, 28, 23, 59);
					dtB = new Date(2000, 1, 29, 0, 0);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					interv = "second";
					dtA = new Date(2000, 11, 31, 23, 59, 59);
					dtB = new Date(2001, 0, 1, 0, 0, 0);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					interv = "millisecond";
					dtA = new Date(2000, 11, 31, 23, 59, 59, 999);
					dtB = new Date(2001, 0, 1, 0, 0, 0, 0);
					t.is(1, dojo.date.difference(dtA, dtB, interv));

					dtA = new Date(2000, 11, 31, 23, 59, 59, 0);
					dtB = new Date(2001, 0, 1, 0, 0, 0, 0);
					t.is(1000, dojo.date.difference(dtA, dtB, interv));
				}, function test_date_add_diff_year(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date

					interv = "year";
					dtA = new Date(2005, 11, 27);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2005, 11, 27);
					dtB = dojo.date.add(dtA, interv, -1);
					t.is(dojo.date.difference(dtA, dtB, interv), -1);

					dtA = new Date(2000, 1, 29);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 1, 29);
					dtB = dojo.date.add(dtA, interv, 5);
					t.is(dojo.date.difference(dtA, dtB, interv), 5);

					dtA = new Date(1900, 11, 31);
					dtB = dojo.date.add(dtA, interv, 30);
					t.is(dojo.date.difference(dtA, dtB, interv), 30);

					dtA = new Date(1995, 11, 31);
					dtB = dojo.date.add(dtA, interv, 35);
					t.is(dojo.date.difference(dtA, dtB, interv), 35);
				}, function test_date_add_diff_quarter(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					interv = "quarter";
					dtA = new Date(2000, 0, 1);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 1, 29);
					dtB = dojo.date.add(dtA, interv, 2);
					t.is(dojo.date.difference(dtA, dtB, interv), 2);

					dtA = new Date(2000, 1, 29);
					dtB = dojo.date.add(dtA, interv, 4);
					t.is(dojo.date.difference(dtA, dtB, interv), 4);
				}, function test_date_add_diff_month(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					interv = "month";
					dtA = new Date(2000, 0, 1);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 0, 31);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 1, 29);
					dtB = dojo.date.add(dtA, interv, 12);
					t.is(dojo.date.difference(dtA, dtB, interv), 12);
				}, function test_date_add_diff_week(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					interv = "week";
					dtA = new Date(2000, 0, 1);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);
				}, function test_date_add_diff_day(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					var interv = "day";
					dtA = new Date(2000, 0, 1);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2001, 0, 1);
					dtB = dojo.date.add(dtA, interv, 365);
					t.is(dojo.date.difference(dtA, dtB, interv), 365);

					dtA = new Date(2000, 0, 1);
					dtB = dojo.date.add(dtA, interv, 366);
					t.is(dojo.date.difference(dtA, dtB, interv), 366);

					dtA = new Date(2000, 1, 28);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2001, 1, 28);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 2, 1);
					dtB = dojo.date.add(dtA, interv, -1);
					t.is(dojo.date.difference(dtA, dtB, interv), -1);

					dtA = new Date(2001, 2, 1);
					dtB = dojo.date.add(dtA, interv, -1);
					t.is(dojo.date.difference(dtA, dtB, interv), -1);

					dtA = new Date(2000, 0, 1);
					dtB = dojo.date.add(dtA, interv, -1);
					t.is(dojo.date.difference(dtA, dtB, interv), -1);
				}, function test_date_add_diff_weekday(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					interv = "weekday";
					// Sat, Jan 1
					dtA = new Date(2000, 0, 1);
					// Should be Mon, Jan 3
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					// Sun, Jan 2
					dtA = new Date(2000, 0, 2);
					// Should be Mon, Jan 3
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					// Sun, Jan 2
					dtA = new Date(2000, 0, 2);
					// Should be Fri, Jan 7
					dtB = dojo.date.add(dtA, interv, 5);
					t.is(dojo.date.difference(dtA, dtB, interv), 5);

					// Sun, Jan 2
					dtA = new Date(2000, 0, 2);
					// Should be Mon, Jan 10
					dtB = dojo.date.add(dtA, interv, 6);
					t.is(dojo.date.difference(dtA, dtB, interv), 6);

					// Mon, Jan 3
					dtA = new Date(2000, 0, 3);
					// Should be Mon, Jan 17
					dtB = dojo.date.add(dtA, interv, 10);
					t.is(dojo.date.difference(dtA, dtB, interv), 10);

					// Sat, Jan 8
					dtA = new Date(2000, 0, 8);
					// Should be Mon, Jan 3
					dtB = dojo.date.add(dtA, interv, -5);
					t.is(dojo.date.difference(dtA, dtB, interv), -5);

					// Sun, Jan 9
					dtA = new Date(2000, 0, 9);
					// Should be Wed, Jan 5
					dtB = dojo.date.add(dtA, interv, -3);
					t.is(dojo.date.difference(dtA, dtB, interv), -3);

					// Sun, Jan 23
					dtA = new Date(2000, 0, 23);
					// Should be Fri, Jan 7
					dtB = dojo.date.add(dtA, interv, -11);
					t.is(dojo.date.difference(dtA, dtB, interv), -11);
				}, function test_date_add_diff_hour(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					interv = "hour";
					dtA = new Date(2000, 0, 1, 11);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2001, 9, 28, 0);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2001, 9, 28, 23);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2001, 11, 31, 23);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);
				}, function test_date_add_diff_minute(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					interv = "minute";
					dtA = new Date(2000, 11, 31, 23, 59);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 11, 27, 12, 2);
					dtB = dojo.date.add(dtA, interv, 60);
					t.is(dojo.date.difference(dtA, dtB, interv), 60);
				}, function test_date_add_diff_second(t) {
					var interv = ''; // Interval (e.g., year, month)
					var dtA = null; // Date to increment
					var dtB = null; // Expected result date
					console.debug("second");
					interv = "second";
					dtA = new Date(2000, 11, 31, 23, 59, 59);
					dtB = dojo.date.add(dtA, interv, 1);
					t.is(dojo.date.difference(dtA, dtB, interv), 1);

					dtA = new Date(2000, 11, 27, 8, 10, 59);
					dtB = dojo.date.add(dtA, interv, 60);
					t.is(dojo.date.difference(dtA, dtB, interv), 60);

					// Test environment JS Date doesn't support millisec?
					// interv = "millisecond";
					//
					// dtA = new Date(2000, 11, 31, 23, 59, 59, 999);
					// dtB = dojo.date.add(dtA, interv, 1);
					// t.is(dojo.date.difference(dtA, dtB, interv), 1);
					//
					// dtA = new Date(2000, 11, 27, 8, 10, 53, 2);
					// dtB = dojo.date.add(dtA, interv, 1000);
					// t.is(dojo.date.difference(dtA, dtB, interv), 1000);
				}]);

	dojo.require("tests.date.locale");
	dojo.require("tests.date.stamp");

}