1 files changed, 99 insertions, 0 deletions
diff --git a/comm/calendar/test/unit/test_datetime.js b/comm/calendar/test/unit/test_datetime.js
new file mode 100644
index 0000000000..a754e570a8
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+++ b/comm/calendar/test/unit/test_datetime.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var { XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs");
+
+XPCOMUtils.defineLazyModuleGetters(this, {
+  CalEvent: "resource:///modules/CalEvent.jsm",
+});
+
+function run_test() {
+  do_calendar_startup(really_run_test);
+}
+
+function really_run_test() {
+  function getMozTimezone(tzid) {
+    return cal.timezoneService.getTimezone(tzid);
+  }
+
+  let date = cal.createDateTime();
+  date.resetTo(2005, 10, 13, 10, 0, 0, getMozTimezone("/mozilla.org/20050126_1/America/Bogota"));
+
+  equal(date.hour, 10);
+  equal(date.icalString, "20051113T100000");
+
+  let date_floating = date.getInTimezone(cal.dtz.floating);
+  equal(date_floating.hour, 10);
+
+  let date_utc = date.getInTimezone(cal.dtz.UTC);
+  equal(date_utc.hour, 15);
+  equal(date_utc.icalString, "20051113T150000Z");
+
+  date.hour = 25;
+  equal(date.hour, 1);
+  equal(date.day, 14);
+
+  // Test nativeTime on dates
+  // setting .isDate to be true on a date should not change its nativeTime
+  // bug 315954,
+  date.hour = 0;
+  let date_allday = date.clone();
+  date_allday.isDate = true;
+  equal(date.nativeTime, date_allday.nativeTime);
+
+  // Daylight savings test
+  date.resetTo(2006, 2, 26, 1, 0, 0, getMozTimezone("/mozilla.org/20050126_1/Europe/Amsterdam"));
+
+  equal(date.weekday, 0);
+  equal(date.timezoneOffset, 1 * 3600);
+
+  date.day += 1;
+  equal(date.timezoneOffset, 2 * 3600);
+
+  // Bug 398724 - Problems with floating all-day items
+  let event = new CalEvent(
+    "BEGIN:VEVENT\nUID:45674d53-229f-48c6-9f3b-f2b601e7ae4d\nSUMMARY:New Event\nDTSTART;VALUE=DATE:20071003\nDTEND;VALUE=DATE:20071004\nEND:VEVENT"
+  );
+  ok(event.startDate.timezone.isFloating);
+  ok(event.endDate.timezone.isFloating);
+
+  // Bug 392853 - Same times, different timezones, but subtractDate says times are PT0S apart
+  const zeroLength = cal.createDuration();
+  const a = cal.dtz.jsDateToDateTime(new Date());
+  a.timezone = getMozTimezone("/mozilla.org/20071231_1/Europe/Berlin");
+
+  let b = a.clone();
+  b.timezone = getMozTimezone("/mozilla.org/20071231_1/America/New_York");
+
+  let duration = a.subtractDate(b);
+  notEqual(duration.compare(zeroLength), 0);
+  notEqual(a.compare(b), 0);
+
+  // Should lead to zero length duration
+  b = a.getInTimezone(getMozTimezone("/mozilla.org/20071231_1/America/New_York"));
+  duration = a.subtractDate(b);
+  equal(duration.compare(zeroLength), 0);
+  equal(a.compare(b), 0);
+
+  // Check that we can get the same timezone with several aliases
+  equal(getMozTimezone("/mozilla.org/xyz/Asia/Calcutta").tzid, "Asia/Calcutta");
+  equal(getMozTimezone("Asia/Calcutta").tzid, "Asia/Calcutta");
+  equal(getMozTimezone("Asia/Kolkata").tzid, "Asia/Kolkata");
+
+  // A newly created date should be in UTC, as should its clone
+  let utc = cal.createDateTime();
+  equal(utc.timezone.tzid, "UTC");
+  equal(utc.clone().timezone.tzid, "UTC");
+  equal(utc.timezoneOffset, 0);
+
+  // Bug 794477 - setting jsdate across compartments needs to work
+  let someDate = new Date();
+  let createdDate = cal.dtz.jsDateToDateTime(someDate).getInTimezone(cal.dtz.defaultTimezone);
+  someDate.setMilliseconds(0);
+  equal(someDate.getTime(), cal.dtz.dateTimeToJsDate(createdDate).getTime());
+
+  // Comparing a date-time with a date of the same day should be 0
+  equal(cal.createDateTime("20120101T120000").compare(cal.createDateTime("20120101")), 0);
+  equal(cal.createDateTime("20120101").compare(cal.createDateTime("20120101T120000")), 0);
+}