Add (failing) test for VTIMEZONEs without STANDARD component

import org.junit.Test

import java.io.FileNotFoundException

import java.io.InputStreamReader

import java.lang.AssertionError

import java.nio.charset.Charset

class EventTest {

        assertEquals("中华人民共和国", e.location)

    }

    fun testParsingCustomTimezone() {

        val events = parseCalendar("custom-timezone.ics")

    @Test(expected = AssertionError::class)

    fun testDstOnlyVtimezone() {

        // Google Calendar (and maybe others) generate iCalendars which contain VTIMEZONE definitions

        // with only a DAYLIGHT component (and no STANDARD component). This is technically valid,

        // but results in wrong dates in ical4j:

        // https://github.com/ical4j/ical4j/issues/230

        val events = parseCalendar("dst-only-vtimezone.ics")

        assertEquals(1, events.size)

        val e = events.first()

        assertEquals("XXX", e.dtStart!!.timeZone.id)

        assertEquals("only-dst@example.com", e.uid)

        val dtStart = e.dtStart!!

        assertEquals("Europe/Berlin", dtStart.timeZone.id)

        // FIXME this should not fail, but it does:

        assertEquals(1522738800000L, dtStart.date.time)

    }

    @Test

BEGIN:VCALENDAR

VERSION:2.0

BEGIN:VTIMEZONE

TZID:Europe/Berlin

BEGIN:DAYLIGHT

TZOFFSETFROM:+0100

TZOFFSETTO:+0200

DTSTART:20180325T030000

TZNAME:CEST

END:DAYLIGHT

END:VTIMEZONE

BEGIN:VEVENT

UID:only-dst@example.com

DTSTAMP:20180329T084939Z

DTSTART;TZID=Europe/Berlin:20180403T090000

DTEND;TZID=Europe/Berlin:20180403T101500

SUMMARY:Sample Event

CREATED:20180329T084939Z

LAST-MODIFIED:20180329T084939Z

END:VEVENT

END:VCALENDAR