--- /dev/null
+<?php
+
+namespace Sabre\VObject;
+
+class TimezoneUtilTest extends \PHPUnit_Framework_TestCase {
+
+ /**
+ * @dataProvider getMapping
+ */
+ function testCorrectTZ($timezoneName) {
+
+ $tz = new \DateTimeZone($timezoneName);
+
+ }
+
+ function getMapping() {
+
+ // PHPUNit requires an array of arrays
+ return array_map(
+ function($value) {
+ return array($value);
+ },
+ TimeZoneUtil::$map
+ );
+
+ }
+
+ function testExchangeMap() {
+
+ $vobj = <<<HI
+BEGIN:VCALENDAR
+METHOD:REQUEST
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:foo
+X-MICROSOFT-CDO-TZID:2
+BEGIN:STANDARD
+DTSTART:16010101T030000
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T020000
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20120416T092149Z
+DTSTART;TZID="foo":20120418T1
+ 00000
+SUMMARY:Begin Unterhaltsreinigung
+UID:040000008200E00074C5B7101A82E0080000000010DA091DC31BCD01000000000000000
+ 0100000008FECD2E607780649BE5A4C9EE6418CBC
+DTEND;TZID="Sarajevo, Skopje, Sofija, Vilnius, Warsaw, Zagreb":20120418T103
+ 000
+END:VEVENT
+END:VCALENDAR
+HI;
+
+ $tz = TimeZoneUtil::getTimeZone('foo', Reader::read($vobj));
+
+ $this->assertEquals(new \DateTimeZone('Europe/Sarajevo'), $tz);
+
+ }
+
+ function testUnknownExchangeId() {
+
+ $vobj = <<<HI
+BEGIN:VCALENDAR
+METHOD:REQUEST
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:foo
+X-MICROSOFT-CDO-TZID:2000
+BEGIN:STANDARD
+DTSTART:16010101T030000
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T020000
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20120416T092149Z
+DTSTART;TZID="foo":20120418T1
+ 00000
+SUMMARY:Begin Unterhaltsreinigung
+UID:040000008200E00074C5B7101A82E0080000000010DA091DC31BCD01000000000000000
+ 0100000008FECD2E607780649BE5A4C9EE6418CBC
+DTEND;TZID="Sarajevo, Skopje, Sofija, Vilnius, Warsaw, Zagreb":20120418T103
+ 000
+END:VEVENT
+END:VCALENDAR
+HI;
+
+ $tz = TimeZoneUtil::getTimeZone('foo', Reader::read($vobj));
+
+ $this->assertEquals(new \DateTimeZone(date_default_timezone_get()), $tz);
+
+ }
+
+ function testWindowsTimeZone() {
+
+ $tz = TimeZoneUtil::getTimeZone('Eastern Standard Time');
+ $this->assertEquals(new \DateTimeZone('America/New_York'), $tz);
+
+ }
+
+ function testFallBack() {
+
+ $vobj = <<<HI
+BEGIN:VCALENDAR
+METHOD:REQUEST
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:foo
+BEGIN:STANDARD
+DTSTART:16010101T030000
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T020000
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+RRULE:FREQ=YEARLY;WKST=MO;INTERVAL=1;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20120416T092149Z
+DTSTART;TZID="foo":20120418T1
+ 00000
+SUMMARY:Begin Unterhaltsreinigung
+UID:040000008200E00074C5B7101A82E0080000000010DA091DC31BCD01000000000000000
+ 0100000008FECD2E607780649BE5A4C9EE6418CBC
+ 000
+END:VEVENT
+END:VCALENDAR
+HI;
+ $tz = TimeZoneUtil::getTimeZone('foo', Reader::read($vobj));
+
+ $this->assertEquals(new \DateTimeZone(date_default_timezone_get()), $tz);
+
+ }
+
+}