upgrade

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/ByMonthInDailyTest.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Sabre\VObject\Recur;
+
+use
+    Sabre\VObject\Reader,
+    DateTime;
+
+class ByMonthInDailyTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * This tests the expansion of dates with DAILY frequency in RRULE with BYMONTH restrictions
+     */
+    function testExpand() {
+
+        $ics = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Apple Inc.//iCal 4.0.4//EN
+CALSCALE:GREGORIAN
+BEGIN:VEVENT
+TRANSP:OPAQUE
+DTEND:20070925T183000Z
+UID:uuid
+DTSTAMP:19700101T000000Z
+LOCATION:
+DESCRIPTION:
+STATUS:CONFIRMED
+SEQUENCE:18
+SUMMARY:Stuff
+DTSTART:20070925T160000Z
+CREATED:20071004T144642Z
+RRULE:FREQ=DAILY;BYMONTH=9,10;BYDAY=SU
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($ics);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $vcal->expand(new DateTime('2013-09-28'), new DateTime('2014-09-11'));
+
+        foreach ($vcal->VEVENT as $event) {
+            $dates[] = $event->DTSTART->getValue();
+        }
+
+        $expectedDates = array(
+            "20130929T160000Z",
+            "20131006T160000Z",
+            "20131013T160000Z",
+            "20131020T160000Z",
+            "20131027T160000Z",
+            "20140907T160000Z"
+        );
+
+        $this->assertEquals($expectedDates, $dates, 'Recursed dates are restricted by month');
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/BySetPosHangTest.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Sabre\VObject\Recur;
+
+use
+    Sabre\VObject\Reader,
+    DateTime;
+
+class BySetPosHangTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * Using this iCalendar object, including BYSETPOS=-2 causes the iterator
+     * to hang, as reported in ticket #212.
+     *
+     * See: https://github.com/fruux/sabre-vobject/issues/212
+     */
+    function testExpand() {
+
+        $ics = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Sabre//Sabre VObject 3.4.2//EN
+CALSCALE:GREGORIAN
+BEGIN:VEVENT
+SUMMARY:Test event 1
+DTSTART;TZID=Europe/Copenhagen:20150101T170000
+RRULE:FREQ=MONTHLY;BYDAY=TH;BYSETPOS=-2
+UID:b4071499-6fe4-418a-83b8-2b8d5ebb38e4
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($ics);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $vcal->expand(new DateTime('2015-01-01'), new DateTime('2016-01-01'));
+
+        foreach ($vcal->VEVENT as $event) {
+            $dates[] = $event->DTSTART->getValue();
+        }
+
+        $expectedDates = array(
+            "20150101T160000Z",
+            "20150122T160000Z",
+            "20150219T160000Z",
+            "20150319T160000Z",
+            "20150423T150000Z",
+            "20150521T150000Z",
+            "20150618T150000Z",
+            "20150723T150000Z",
+            "20150820T150000Z",
+            "20150917T150000Z",
+            "20151022T150000Z",
+            "20151119T160000Z",
+            "20151224T160000Z",
+        );
+
+        $this->assertEquals($expectedDates, $dates);
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/ExpandFloatingTimesTest.php

@@ -0,0 +1,122 @@
+<?php
+
+namespace Sabre\VObject\Recur\EventIterator;
+
+use
+    DateTime,
+    DateTimeZone,
+    Sabre\VObject\Reader;
+
+class ExpandFloatingTimesTest extends \PHPUnit_Framework_TestCase {
+
+    function testExpand() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150109T090000
+DTEND:20150109T100000
+RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20191002T070000Z;BYDAY=FR
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $vcal->expand(new DateTime('2015-01-01'), new DateTime('2015-01-31'));
+
+        $result = $vcal->serialize();
+
+        $output = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150109T090000Z
+DTEND:20150109T100000Z
+RECURRENCE-ID:20150109T090000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150116T090000Z
+DTEND:20150116T100000Z
+RECURRENCE-ID:20150116T090000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150123T090000Z
+DTEND:20150123T100000Z
+RECURRENCE-ID:20150123T090000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150130T090000Z
+DTEND:20150130T100000Z
+RECURRENCE-ID:20150130T090000Z
+END:VEVENT
+END:VCALENDAR
+
+ICS;
+        $this->assertEquals($output, str_replace("\r", "", $result));
+
+    }
+
+    function testExpandWithReferenceTimezone() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150109T090000
+DTEND:20150109T100000
+RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20191002T070000Z;BYDAY=FR
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $vcal->expand(new DateTime('2015-01-01'), new DateTime('2015-01-31'), new \DateTimeZone('Europe/Berlin'));
+
+        $result = $vcal->serialize();
+
+        $output = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150109T080000Z
+DTEND:20150109T090000Z
+RECURRENCE-ID:20150109T080000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150116T080000Z
+DTEND:20150116T090000Z
+RECURRENCE-ID:20150116T080000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150123T080000Z
+DTEND:20150123T090000Z
+RECURRENCE-ID:20150123T080000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20150130T080000Z
+DTEND:20150130T090000Z
+RECURRENCE-ID:20150130T080000Z
+END:VEVENT
+END:VCALENDAR
+
+ICS;
+        $this->assertEquals($output, str_replace("\r", "", $result));
+
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/FifthTuesdayProblemTest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Sabre\VObject\Recur\EventIterator;
+
+use Sabre\VObject\Recur;
+use Sabre\VObject\Reader;
+
+class FifthTuesdayProblemTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * A pretty slow test. Had to be marked as 'medium' for phpunit to not die
+     * after 1 second. Would be good to optimize later.
+     *
+     * @medium
+     */
+    function testGetDTEnd() {
+
+        $ics = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Apple Inc.//iCal 4.0.4//EN
+CALSCALE:GREGORIAN
+BEGIN:VEVENT
+TRANSP:OPAQUE
+DTEND;TZID=America/New_York:20070925T170000
+UID:uuid
+DTSTAMP:19700101T000000Z
+LOCATION:
+DESCRIPTION:
+STATUS:CONFIRMED
+SEQUENCE:18
+SUMMARY:Stuff
+DTSTART;TZID=America/New_York:20070925T160000
+CREATED:20071004T144642Z
+RRULE:FREQ=MONTHLY;INTERVAL=1;UNTIL=20071030T035959Z;BYDAY=5TU
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vObject = Reader::read($ics);
+        $it = new Recur\EventIterator($vObject, (string)$vObject->VEVENT->UID);
+
+        while($it->valid()) {
+            $it->next();
+        }
+
+        // If we got here, it means we were successful. The bug that was in the
+        // system before would fail on the 5th tuesday of the month, if the 5th
+        // tuesday did not exist.
+        $this->assertTrue(true);
+
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/IncorrectExpandTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Sabre\VObject\Recur\EventIterator;
+
+use
+    DateTime,
+    DateTimeZone,
+    Sabre\VObject\Reader;
+
+/**
+ * This is a unittest for Issue #53.
+ */
+class RecurrenceIteratorIncorrectExpandTest extends \PHPUnit_Framework_TestCase {
+
+    function testExpand() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20130711T050000Z
+DTEND:20130711T053000Z
+RRULE:FREQ=DAILY;INTERVAL=1;COUNT=2
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20130719T050000Z
+DTEND:20130719T053000Z
+RECURRENCE-ID:20130712T050000Z
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $vcal->expand(new DateTime('2011-01-01'), new DateTime('2014-01-01'));
+
+        $result = $vcal->serialize();
+
+        $output = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20130711T050000Z
+DTEND:20130711T053000Z
+RECURRENCE-ID:20130711T050000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTSTART:20130719T050000Z
+DTEND:20130719T053000Z
+RECURRENCE-ID:20130712T050000Z
+END:VEVENT
+END:VCALENDAR
+
+ICS;
+        $this->assertEquals($output, str_replace("\r", "", $result));
+    
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/InfiniteLoopProblemTest.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace Sabre\VObject\Recur\EventIterator;
+
+use
+    DateTime,
+    DateTimeZone,
+    Sabre\VObject\Component\VCalendar,
+    Sabre\VObject\Recur;
+
+class EventIteratorInfiniteLoopProblemTest extends \PHPUnit_Framework_TestCase {
+
+    public function setUp() {
+
+        $this->vcal = new VCalendar();
+
+    }
+
+    /**
+     * This bug came from a Fruux customer. This would result in a never-ending
+     * request.
+     */
+    function testFastForwardTooFar() {
+
+        $ev = $this->vcal->createComponent('VEVENT');
+        $ev->UID = 'foobar';
+        $ev->DTSTART = '20090420T180000Z';
+        $ev->RRULE = 'FREQ=WEEKLY;BYDAY=MO;UNTIL=20090704T205959Z;INTERVAL=1';
+
+        $this->assertFalse($ev->isInTimeRange(new DateTime('2012-01-01 12:00:00'),new DateTime('3000-01-01 00:00:00')));
+
+    }
+
+    /**
+     * Different bug, also likely an infinite loop.
+     */
+    function testYearlyByMonthLoop() {
+
+        $ev = $this->vcal->createComponent('VEVENT');
+        $ev->UID = 'uuid';
+        $ev->DTSTART = '20120101T154500';
+        $ev->DTSTART['TZID'] = 'Europe/Berlin';
+        $ev->RRULE = 'FREQ=YEARLY;INTERVAL=1;UNTIL=20120203T225959Z;BYMONTH=2;BYSETPOS=1;BYDAY=SU,MO,TU,WE,TH,FR,SA';
+        $ev->DTEND = '20120101T164500';
+        $ev->DTEND['TZID'] = 'Europe/Berlin';
+
+        // This recurrence rule by itself is a yearly rule that should happen
+        // every february.
+        //
+        // The BYDAY part expands this to every day of the month, but the
+        // BYSETPOS limits this to only the 1st day of the month. Very crazy
+        // way to specify this, and could have certainly been a lot easier.
+        $this->vcal->add($ev);
+
+        $it = new Recur\EventIterator($this->vcal,'uuid');
+        $it->fastForward(new DateTime('2012-01-29 23:00:00', new DateTimeZone('UTC')));
+
+        $collect = array();
+
+        while($it->valid()) {
+            $collect[] = $it->getDTSTART();
+            if ($it->getDTSTART() > new DateTime('2013-02-05 22:59:59', new DateTimeZone('UTC'))) {
+                break;
+            }
+            $it->next();
+
+        }
+
+        $this->assertEquals(
+            array(new DateTime('2012-02-01 15:45:00', new DateTimeZone('Europe/Berlin'))),
+            $collect
+        );
+
+    }
+
+    /**
+     * Something, somewhere produced an ics with an interval set to 0. Because
+     * this means we increase the current day (or week, month) by 0, this also
+     * results in an infinite loop.
+     *
+     * @expectedException InvalidArgumentException
+     * @return void
+     */
+    function testZeroInterval() {
+
+        $ev = $this->vcal->createComponent('VEVENT');
+        $ev->UID = 'uuid';
+        $ev->DTSTART = '20120824T145700Z';
+        $ev->RRULE = 'FREQ=YEARLY;INTERVAL=0';
+        $this->vcal->add($ev);
+
+        $it = new Recur\EventIterator($this->vcal,'uuid');
+        $it->fastForward(new DateTime('2013-01-01 23:00:00', new DateTimeZone('UTC')));
+
+        // if we got this far.. it means we are no longer infinitely looping
+
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/Issue48Test.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Sabre\VObject;
+
+use
+    DateTime,
+    DateTimeZone;
+
+class Issue48Test extends \PHPUnit_Framework_TestCase {
+
+    function testExpand() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:foo
+DTEND;TZID=Europe/Moscow:20130710T120000
+DTSTART;TZID=Europe/Moscow:20130710T110000
+RRULE:FREQ=DAILY;UNTIL=20130712T195959Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foo
+DTEND;TZID=Europe/Moscow:20130713T120000
+DTSTART;TZID=Europe/Moscow:20130713T110000
+RECURRENCE-ID;TZID=Europe/Moscow:20130711T110000
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $it = new Recur\EventIterator($vcal, 'foo');
+
+        $result = iterator_to_array($it);
+
+        $tz = new DateTimeZone('Europe/Moscow');
+
+        $expected = array(
+            new DateTime('2013-07-10 11:00:00', $tz),
+            new DateTime('2013-07-12 11:00:00', $tz),
+            new DateTime('2013-07-13 11:00:00', $tz),
+        );
+
+        $this->assertEquals($expected, $result);
+
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/Issue50Test.php

@@ -0,0 +1,128 @@
+<?php
+
+namespace Sabre\VObject;
+
+use
+    DateTime,
+    DateTimeZone;
+
+class Issue50Test extends \PHPUnit_Framework_TestCase {
+
+    function testExpand() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
+BEGIN:VTIMEZONE
+TZID:Europe/Brussels
+X-LIC-LOCATION:Europe/Brussels
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+TZNAME:CEST
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+TZNAME:CET
+DTSTART:19701025T030000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+CREATED:20130705T142510Z
+LAST-MODIFIED:20130715T132556Z
+DTSTAMP:20130715T132556Z
+UID:1aef0b27-3d92-4581-829a-11999dd36724
+SUMMARY:Werken
+RRULE:FREQ=DAILY;COUNT=5
+DTSTART;TZID=Europe/Brussels:20130715T090000
+DTEND;TZID=Europe/Brussels:20130715T170000
+LOCATION:Job
+DESCRIPTION:Vrij
+X-MOZ-GENERATION:9
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20130715T081654Z
+LAST-MODIFIED:20130715T110931Z
+DTSTAMP:20130715T110931Z
+UID:1aef0b27-3d92-4581-829a-11999dd36724
+SUMMARY:Werken
+RECURRENCE-ID;TZID=Europe/Brussels:20130719T090000
+DTSTART;TZID=Europe/Brussels:20130719T070000
+DTEND;TZID=Europe/Brussels:20130719T150000
+SEQUENCE:1
+LOCATION:Job
+DESCRIPTION:Vrij
+X-MOZ-GENERATION:1
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20130715T111654Z
+LAST-MODIFIED:20130715T132556Z
+DTSTAMP:20130715T132556Z
+UID:1aef0b27-3d92-4581-829a-11999dd36724
+SUMMARY:Werken
+RECURRENCE-ID;TZID=Europe/Brussels:20130716T090000
+DTSTART;TZID=Europe/Brussels:20130716T070000
+DTEND;TZID=Europe/Brussels:20130716T150000
+SEQUENCE:1
+LOCATION:Job
+X-MOZ-GENERATION:2
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20130715T125942Z
+LAST-MODIFIED:20130715T130023Z
+DTSTAMP:20130715T130023Z
+UID:1aef0b27-3d92-4581-829a-11999dd36724
+SUMMARY:Werken
+RECURRENCE-ID;TZID=Europe/Brussels:20130717T090000
+DTSTART;TZID=Europe/Brussels:20130717T070000
+DTEND;TZID=Europe/Brussels:20130717T150000
+SEQUENCE:1
+LOCATION:Job
+X-MOZ-GENERATION:3
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20130715T130024Z
+LAST-MODIFIED:20130715T130034Z
+DTSTAMP:20130715T130034Z
+UID:1aef0b27-3d92-4581-829a-11999dd36724
+SUMMARY:Werken
+RECURRENCE-ID;TZID=Europe/Brussels:20130718T090000
+DTSTART;TZID=Europe/Brussels:20130718T090000
+DTEND;TZID=Europe/Brussels:20130718T170000
+LOCATION:Job
+X-MOZ-GENERATION:5
+DESCRIPTION:Vrij
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $it = new Recur\EventIterator($vcal, '1aef0b27-3d92-4581-829a-11999dd36724');
+
+        $result = array();
+        foreach($it as $instance) {
+
+            $result[] = $instance;
+
+        }
+
+        $tz = new DateTimeZone('Europe/Brussels');
+
+        $this->assertEquals(array(
+            new DateTime('2013-07-15 09:00:00', $tz),
+            new DateTime('2013-07-16 07:00:00', $tz),
+            new DateTime('2013-07-17 07:00:00', $tz),
+            new DateTime('2013-07-18 09:00:00', $tz),
+            new DateTime('2013-07-19 07:00:00', $tz),
+        ), $result);
+
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/MissingOverriddenTest.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Sabre\VObject\Recur\EventIterator;
+
+use
+    DateTime,
+    DateTimeZone,
+    Sabre\VObject\Reader;
+
+class RecurrenceIteratorMissingOverriddenTest extends \PHPUnit_Framework_TestCase {
+
+    function testExpand() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20130727T120000Z
+DURATION:PT1H
+RRULE:FREQ=DAILY;COUNT=2
+SUMMARY:A
+END:VEVENT
+BEGIN:VEVENT
+RECURRENCE-ID:20130728T120000Z
+UID:foo
+DTSTART:20140101T120000Z
+DURATION:PT1H
+SUMMARY:B
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $vcal->expand(new DateTime('2011-01-01'), new DateTime('2015-01-01'));
+
+        $result = $vcal->serialize();
+
+        $output = <<<ICS
+BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:foo
+DTSTART:20130727T120000Z
+DURATION:PT1H
+SUMMARY:A
+RECURRENCE-ID:20130727T120000Z
+END:VEVENT
+BEGIN:VEVENT
+RECURRENCE-ID:20130728T120000Z
+UID:foo
+DTSTART:20140101T120000Z
+DURATION:PT1H
+SUMMARY:B
+END:VEVENT
+END:VCALENDAR
+
+ICS;
+        $this->assertEquals($output, str_replace("\r","",$result));
+    
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/NoInstancesTest.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Sabre\VObject\Recur;
+
+use
+    Sabre\VObject\Reader;
+
+class IssueEXDATETest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * @expectedException \Sabre\VObject\Recur\NoInstancesException
+     */
+    function testRecurrence() {
+
+        $input = <<<ICS
+BEGIN:VCALENDAR
+PRODID:-//Google Inc//Google Calendar 70.9054//EN
+VERSION:2.0
+BEGIN:VEVENT
+DTSTART;TZID=Europe/Berlin:20130329T140000
+DTEND;TZID=Europe/Berlin:20130329T153000
+RRULE:FREQ=WEEKLY;BYDAY=FR;UNTIL=20130412T115959Z
+EXDATE;TZID=Europe/Berlin:20130405T140000
+EXDATE;TZID=Europe/Berlin:20130329T140000
+DTSTAMP:20140916T201215Z
+UID:foo
+SEQUENCE:1
+SUMMARY:foo
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $this->assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal);
+
+        $it = new EventIterator($vcal, 'foo');
+
+    }
+
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/OverrideFirstEventTest.php

@@ -0,0 +1,122 @@
+<?php
+
+namespace Sabre\VObject\RecurrenceIterator;
+
+use Sabre\VObject\Reader;
+use DateTime;
+
+class OverrideFirstEventTest extends \PHPUnit_Framework_TestCase {
+
+    function testOverrideFirstEvent() {
+
+        $input =  <<<ICS
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140803T120000Z
+RRULE:FREQ=WEEKLY
+SUMMARY:Original
+END:VEVENT
+BEGIN:VEVENT
+UID:foobar
+RECURRENCE-ID:20140803T120000Z
+DTSTART:20140803T120000Z
+SUMMARY:Overridden
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $vcal->expand(new DateTime('2014-08-01'), new DateTime('2014-09-01'));
+
+        $expected = <<<ICS
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:foobar
+RECURRENCE-ID:20140803T120000Z
+DTSTART:20140803T120000Z
+SUMMARY:Overridden
+END:VEVENT
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140810T120000Z
+SUMMARY:Original
+RECURRENCE-ID:20140810T120000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140817T120000Z
+SUMMARY:Original
+RECURRENCE-ID:20140817T120000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140824T120000Z
+SUMMARY:Original
+RECURRENCE-ID:20140824T120000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140831T120000Z
+SUMMARY:Original
+RECURRENCE-ID:20140831T120000Z
+END:VEVENT
+END:VCALENDAR
+
+ICS;
+
+        $newIcs = $vcal->serialize();
+        $newIcs = str_replace("\r\n","\n", $newIcs);
+        $this->assertEquals(
+            $expected,
+            $newIcs
+        );
+
+
+    }
+
+    function testRemoveFirstEvent() {
+
+        $input =  <<<ICS
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140803T120000Z
+RRULE:FREQ=WEEKLY
+EXDATE:20140803T120000Z
+SUMMARY:Original
+END:VEVENT
+END:VCALENDAR
+ICS;
+
+        $vcal = Reader::read($input);
+        $vcal->expand(new DateTime('2014-08-01'), new DateTime('2014-08-19'));
+
+        $expected = <<<ICS
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140810T120000Z
+SUMMARY:Original
+RECURRENCE-ID:20140810T120000Z
+END:VEVENT
+BEGIN:VEVENT
+UID:foobar
+DTSTART:20140817T120000Z
+SUMMARY:Original
+RECURRENCE-ID:20140817T120000Z
+END:VEVENT
+END:VCALENDAR
+
+ICS;
+
+        $newIcs = $vcal->serialize();
+        $newIcs = str_replace("\r\n","\n", $newIcs);
+        $this->assertEquals(
+            $expected,
+            $newIcs
+        );
+
+
+    }
+}

vendor/sabre/vobject/tests/VObject/Recur/EventIterator/SameDateForRecurringEventsTest.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Sabre\VObject\Recur;
+
+use Sabre\VObject\Recur\EventIterator;
+use Sabre\VObject\Reader;
+
+/**
+ * Testing case when overridden recurring events have same start date.
+ *
+ * Class SameDateForRecurringEventsTest
+ */
+class SameDateForRecurringEventsTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Checking is all events iterated by EventIterator.
+     */
+    public function testAllEventsArePresentInIterator()
+    {
+        $ics = <<<ICS
+BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:1
+DTSTART;TZID=Europe/Kiev:20160713T110000
+DTEND;TZID=Europe/Kiev:20160713T113000
+RRULE:FREQ=DAILY;INTERVAL=1;COUNT=3
+END:VEVENT
+BEGIN:VEVENT
+UID:2
+DTSTART;TZID=Europe/Kiev:20160713T110000
+DTEND;TZID=Europe/Kiev:20160713T113000
+RECURRENCE-ID;TZID=Europe/Kiev:20160714T110000
+END:VEVENT
+BEGIN:VEVENT
+UID:3
+DTSTART;TZID=Europe/Kiev:20160713T110000
+DTEND;TZID=Europe/Kiev:20160713T113000
+RECURRENCE-ID;TZID=Europe/Kiev:20160715T110000
+END:VEVENT
+BEGIN:VEVENT
+UID:4
+DTSTART;TZID=Europe/Kiev:20160713T110000
+DTEND;TZID=Europe/Kiev:20160713T113000
+RECURRENCE-ID;TZID=Europe/Kiev:20160716T110000
+END:VEVENT
+END:VCALENDAR
+
+
+ICS;
+        $vCalendar = Reader::read($ics);
+        $eventIterator = new EventIterator($vCalendar->getComponents());
+
+        $this->assertEquals(4, iterator_count($eventIterator), 'in ICS 4 events');
+    }
+}