Examples with VTimeZone android.icu.util.VTimeZone used on opensource projects

Example 11 with VTimeZone

use of android.icu.util.VTimeZone in project j2objc by google.

the class TimeZoneRuleTest method TestVTimeZoneParse.

@Test
public void TestVTimeZoneParse() {
    // Trying to create VTimeZone from empty data
    StringReader r = new StringReader("");
    VTimeZone empty = VTimeZone.create(r);
    if (empty != null) {
        errln("FAIL: Non-null VTimeZone is returned for empty VTIMEZONE data");
    }
    // Create VTimeZone for Asia/Tokyo
    String asiaTokyo = "BEGIN:VTIMEZONE\r\n" + "TZID:Asia\r\n" + "\t/Tokyo\r\n" + "BEGIN:STANDARD\r\n" + "TZOFFSETFROM:+0900\r\n" + "TZOFFSETTO:+0900\r\n" + "TZNAME:JST\r\n" + "DTSTART:19700101\r\n" + " T000000\r\n" + "END:STANDARD\r\n" + "END:VTIMEZONE";
    r = new StringReader(asiaTokyo);
    VTimeZone tokyo = VTimeZone.create(r);
    if (tokyo == null) {
        errln("FAIL: Failed to create a VTimeZone tokyo");
    } else {
        // Make sure offsets are correct
        int[] offsets = new int[2];
        tokyo.getOffset(System.currentTimeMillis(), false, offsets);
        if (offsets[0] != 9 * HOUR || offsets[1] != 0) {
            errln("FAIL: Bad offsets returned by a VTimeZone created for Tokyo");
        }
    }
    // Create VTimeZone from VTIMEZONE data
    String fooData = "BEGIN:VCALENDAR\r\n" + "BEGIN:VTIMEZONE\r\n" + "TZID:FOO\r\n" + "BEGIN:STANDARD\r\n" + "TZOFFSETFROM:-0700\r\n" + "TZOFFSETTO:-0800\r\n" + "TZNAME:FST\r\n" + "DTSTART:20071010T010000\r\n" + "RRULE:FREQ=YEARLY;BYDAY=WE;BYMONTHDAY=10,11,12,13,14,15,16;BYMONTH=10\r\n" + "END:STANDARD\r\n" + "BEGIN:DAYLIGHT\r\n" + "TZOFFSETFROM:-0800\r\n" + "TZOFFSETTO:-0700\r\n" + "TZNAME:FDT\r\n" + "DTSTART:20070415T010000\r\n" + "RRULE:FREQ=YEARLY;BYMONTHDAY=15;BYMONTH=4\r\n" + "END:DAYLIGHT\r\n" + "END:VTIMEZONE\r\n" + "END:VCALENDAR";
    r = new StringReader(fooData);
    VTimeZone foo = VTimeZone.create(r);
    if (foo == null) {
        errln("FAIL: Failed to create a VTimeZone foo");
    } else {
        // Write VTIMEZONE data
        StringWriter w = new StringWriter();
        try {
            foo.write(w, getUTCMillis(2005, Calendar.JANUARY, 1));
        } catch (IOException ioe) {
            errln("FAIL: IOException is thrown while writing VTIMEZONE data for foo");
        }
        logln(w.toString());
    }
}