--- /dev/null
+<?php
+
+class Sabre_CalDAV_Issue166Test extends PHPUnit_Framework_TestCase {
+
+ function testFlaw() {
+
+ $input = <<<HI
+BEGIN:VCALENDAR
+PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:Asia/Pyongyang
+X-LIC-LOCATION:Asia/Pyongyang
+BEGIN:STANDARD
+TZOFFSETFROM:+0900
+TZOFFSETTO:+0900
+TZNAME:KST
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+CREATED:20111118T010857Z
+LAST-MODIFIED:20111118T010937Z
+DTSTAMP:20111118T010937Z
+UID:a03245b3-9947-9a48-a088-863c74e0fdd8
+SUMMARY:New Event
+RRULE:FREQ=YEARLY
+DTSTART;TZID=Asia/Pyongyang:19960102T111500
+DTEND;TZID=Asia/Pyongyang:19960102T121500
+END:VEVENT
+END:VCALENDAR
+HI;
+
+ $validator = new Sabre_CalDAV_CalendarQueryValidator();
+
+ $filters = array(
+ 'name' => 'VCALENDAR',
+ 'comp-filters' => array(
+ array(
+ 'name' => 'VEVENT',
+ 'comp-filters' => array(),
+ 'prop-filters' => array(),
+ 'is-not-defined' => false,
+ 'time-range' => array(
+ 'start' => new DateTime('2011-12-01'),
+ 'end' => new DateTime('2012-02-01'),
+ ),
+ ),
+ ),
+ 'prop-filters' => array(),
+ 'is-not-defined' => false,
+ 'time-range' => null,
+ );
+ $input = Sabre_VObject_Reader::read($input);
+ $this->assertTrue($validator->validate($input,$filters));
+
+ }
+
+}