From b35122f7a6ad42756c35bb60ba1f06c3dcd45c77 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Mon, 21 Oct 2013 15:46:31 -0700
Subject: add sabre (1.8.x) via composer in the !@#$ place it wants to be

---
 .../RecurrenceIteratorInfiniteLoopProblemTest.php  | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 vendor/sabre/vobject/tests/Sabre/VObject/RecurrenceIteratorInfiniteLoopProblemTest.php

(limited to 'vendor/sabre/vobject/tests/Sabre/VObject/RecurrenceIteratorInfiniteLoopProblemTest.php')

diff --git a/vendor/sabre/vobject/tests/Sabre/VObject/RecurrenceIteratorInfiniteLoopProblemTest.php b/vendor/sabre/vobject/tests/Sabre/VObject/RecurrenceIteratorInfiniteLoopProblemTest.php
new file mode 100644
index 000000000..670c39bae
--- /dev/null
+++ b/vendor/sabre/vobject/tests/Sabre/VObject/RecurrenceIteratorInfiniteLoopProblemTest.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Sabre\VObject;
+
+use DateTime;
+use DateTimeZone;
+
+class RecurrenceIteratorInfiniteLoopProblemTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * This bug came from a Fruux customer. This would result in a never-ending
+     * request.
+     */
+    function testFastForwardTooFar() {
+
+        $ev = Component::create('VEVENT');
+        $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 = Component::create('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.
+        $cal = Component::create('VCALENDAR');
+        $cal->add($ev);
+
+        $it = new RecurrenceIterator($cal,'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 = Component::create('VEVENT');
+        $ev->UID = 'uuid';
+        $ev->DTSTART = '20120824T145700Z';
+        $ev->RRULE = 'FREQ=YEARLY;INTERVAL=0';
+        $cal = Component::create('VCALENDAR');
+        $cal->add($ev);
+
+        $it = new RecurrenceIterator($cal,'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
+
+    }
+
+}
-- 
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