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

Example 1 with VTimeZone

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

the class TimeZoneRuleTest method TestVTimeZoneHeaderProps.

/*
     * Write out time zone rules of OlsonTimeZone into VTIMEZONE format with RFC2445 header TZURL and
     * LAST-MODIFIED, create a new VTimeZone from the VTIMEZONE data to see if the headers are preserved.
     */
@Test
public void TestVTimeZoneHeaderProps() {
    String tzid = "America/Chicago";
    String tzurl = "http://source.icu-project.org";
    Date lastmod = new Date(getUTCMillis(2007, Calendar.JUNE, 1));
    VTimeZone vtz = VTimeZone.create(tzid);
    vtz.setTZURL(tzurl);
    vtz.setLastModified(lastmod);
    // Roundtrip conversion
    VTimeZone newvtz1 = null;
    try {
        // Write out VTIMEZONE
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamWriter writer = new OutputStreamWriter(baos);
        vtz.write(writer);
        writer.close();
        byte[] vtzdata = baos.toByteArray();
        // Read VTIMEZONE
        ByteArrayInputStream bais = new ByteArrayInputStream(vtzdata);
        InputStreamReader reader = new InputStreamReader(bais);
        newvtz1 = VTimeZone.create(reader);
        reader.close();
        // Check if TZURL and LAST-MODIFIED headers are preserved
        if (!(tzurl.equals(newvtz1.getTZURL()))) {
            errln("FAIL: TZURL property is not preserved during the roundtrip conversion.  Before:" + tzurl + "/After:" + newvtz1.getTZURL());
        }
        if (!(lastmod.equals(newvtz1.getLastModified()))) {
            errln("FAIL: LAST-MODIFIED property is not preserved during the roundtrip conversion.  Before:" + lastmod.getTime() + "/After:" + newvtz1.getLastModified().getTime());
        }
    } catch (IOException ioe) {
        errln("FAIL: IO error while writing/reading VTIMEZONE data");
    }
    // Second roundtrip, with a cutoff
    VTimeZone newvtz2 = null;
    try {
        // Set different tzurl
        String newtzurl = "http://www.ibm.com";
        newvtz1.setTZURL(newtzurl);
        // Write out VTIMEZONE
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamWriter writer = new OutputStreamWriter(baos);
        newvtz1.write(writer, getUTCMillis(2000, Calendar.JANUARY, 1));
        writer.close();
        byte[] vtzdata = baos.toByteArray();
        // Read VTIMEZONE
        ByteArrayInputStream bais = new ByteArrayInputStream(vtzdata);
        InputStreamReader reader = new InputStreamReader(bais);
        newvtz2 = VTimeZone.create(reader);
        reader.close();
        // Check if TZURL and LAST-MODIFIED headers are preserved
        if (!(newtzurl.equals(newvtz2.getTZURL()))) {
            errln("FAIL: TZURL property is not preserved during the second roundtrip conversion.  Before:" + newtzurl + "/After:" + newvtz2.getTZURL());
        }
        if (!(lastmod.equals(newvtz2.getLastModified()))) {
            errln("FAIL: LAST-MODIFIED property is not preserved during the second roundtrip conversion.  Before:" + lastmod.getTime() + "/After:" + newvtz2.getLastModified().getTime());
        }
    } catch (IOException ioe) {
        errln("FAIL: IO error while writing/reading VTIMEZONE data");
    }
}

Example 2 with VTimeZone

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

the class TimeZoneRuleTest method TestVTimeZoneRoundTripPartial.

/*
     * Write out time zone rules of OlsonTimeZone after a cutoff date into VTIMEZONE format,
     * create a new VTimeZone from the VTIMEZONE data, then compare transitions
     */
@Test
public void TestVTimeZoneRoundTripPartial() {
    long[] startTimes = new long[] { getUTCMillis(1900, Calendar.JANUARY, 1), getUTCMillis(1950, Calendar.JANUARY, 1), getUTCMillis(2020, Calendar.JANUARY, 1) };
    long endTime = getUTCMillis(2050, Calendar.JANUARY, 1);
    String[] tzids = getTestZIDs();
    for (int n = 0; n < startTimes.length; n++) {
        long startTime = startTimes[n];
        for (int i = 0; i < tzids.length; i++) {
            BasicTimeZone olsontz = (BasicTimeZone) TimeZone.getTimeZone(tzids[i], TimeZone.TIMEZONE_ICU);
            VTimeZone vtz_org = VTimeZone.create(tzids[i]);
            VTimeZone vtz_new = null;
            try {
                // Write out VTIMEZONE
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                OutputStreamWriter writer = new OutputStreamWriter(baos);
                vtz_org.write(writer, startTime);
                writer.close();
                byte[] vtzdata = baos.toByteArray();
                // Read VTIMEZONE
                ByteArrayInputStream bais = new ByteArrayInputStream(vtzdata);
                InputStreamReader reader = new InputStreamReader(bais);
                vtz_new = VTimeZone.create(reader);
                reader.close();
            } catch (IOException ioe) {
                errln("FAIL: IO error while writing/reading VTIMEZONE data");
            }
            // VTIMEZONE.
            if (vtz_new.getOffset(startTime) != olsontz.getOffset(startTime)) {
                errln("FAIL: VTimeZone for " + tzids[i] + " is not equivalent to its OlsonTimeZone corresponding at " + startTime);
            }
            TimeZoneTransition tzt = olsontz.getNextTransition(startTime, false);
            if (tzt != null) {
                if (!vtz_new.hasEquivalentTransitions(olsontz, tzt.getTime(), endTime, true)) {
                    int maxDelta = 1000;
                    if (!hasEquivalentTransitions(vtz_new, olsontz, tzt.getTime() + maxDelta, endTime, true, maxDelta)) {
                        errln("FAIL: VTimeZone for " + tzids[i] + "(>=" + startTime + ") is not equivalent to its OlsonTimeZone corresponding.");
                    } else {
                        logln("VTimeZone for " + tzids[i] + "(>=" + startTime + ")  differs from its OlsonTimeZone corresponding with maximum transition time delta - " + maxDelta);
                    }
                }
            }
        }
    }
}

Example 3 with VTimeZone

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

the class TimeZoneTest method TestObservesDaylightTime.

@Test
public void TestObservesDaylightTime() {
    boolean observesDaylight;
    long current = System.currentTimeMillis();
    // J2ObjC change: time zones going through adjustments are problematic when comparing
    // the ICU tz data vs. the operating system tz data.
    Set<String> unstableTzids = new HashSet<>();
    // https://github.com/eggert/tz/blob/379f7ba9b81eee97f0209a322540b4a522122b5d/africa#L847
    unstableTzids.add("Africa/Casablanca");
    unstableTzids.add("Africa/El_Aaiun");
    String[] tzids = TimeZone.getAvailableIDs();
    for (String tzid : tzids) {
        // OlsonTimeZone
        TimeZone tz = TimeZone.getTimeZone(tzid, TimeZone.TIMEZONE_ICU);
        observesDaylight = tz.observesDaylightTime();
        if (observesDaylight != isDaylightTimeAvailable(tz, current)) {
            errln("Fail: [OlsonTimeZone] observesDaylightTime() returned " + observesDaylight + " for " + tzid);
        }
        // RuleBasedTimeZone
        RuleBasedTimeZone rbtz = createRBTZ((BasicTimeZone) tz, current);
        boolean observesDaylightRBTZ = rbtz.observesDaylightTime();
        if (observesDaylightRBTZ != isDaylightTimeAvailable(rbtz, current)) {
            errln("Fail: [RuleBasedTimeZone] observesDaylightTime() returned " + observesDaylightRBTZ + " for " + rbtz.getID());
        } else if (observesDaylight != observesDaylightRBTZ) {
            errln("Fail: RuleBasedTimeZone " + rbtz.getID() + " returns " + observesDaylightRBTZ + ", but different from match OlsonTimeZone");
        }
        // JavaTimeZone
        tz = TimeZone.getTimeZone(tzid, TimeZone.TIMEZONE_JDK);
        observesDaylight = tz.observesDaylightTime();
        if (!unstableTzids.contains(tzid) && observesDaylight != isDaylightTimeAvailable(tz, current)) {
            errln("Fail: [JavaTimeZone] observesDaylightTime() returned " + observesDaylight + " for " + tzid);
        }
        // VTimeZone
        tz = VTimeZone.getTimeZone(tzid);
        observesDaylight = tz.observesDaylightTime();
        if (observesDaylight != isDaylightTimeAvailable(tz, current)) {
            errln("Fail: [VTimeZone] observesDaylightTime() returned " + observesDaylight + " for " + tzid);
        }
    }
    // SimpleTimeZone
    SimpleTimeZone[] stzs = { new SimpleTimeZone(0, "STZ0"), new SimpleTimeZone(-5 * 60 * 60 * 1000, "STZ-5D", Calendar.MARCH, 2, Calendar.SUNDAY, 2 * 60 * 60 * 1000, Calendar.NOVEMBER, 1, Calendar.SUNDAY, 2 * 60 * 60 * 1000) };
    for (SimpleTimeZone stz : stzs) {
        observesDaylight = stz.observesDaylightTime();
        if (observesDaylight != isDaylightTimeAvailable(stz, current)) {
            errln("Fail: [SimpleTimeZone] observesDaylightTime() returned " + observesDaylight + " for " + stz.getID());
        }
    }
}

Example 4 with VTimeZone

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

the class TimeZoneTest method Test11619_UnrecognizedTimeZoneID.

@Test
public void Test11619_UnrecognizedTimeZoneID() {
    VTimeZone vzone = VTimeZone.create("ABadTimeZoneId");
    TestFmwk.assertNull("", vzone);
}

Example 5 with VTimeZone

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

the class TimeZoneRuleTest method TestVTimeZoneCoverage.

/*
     * API coverage test for VTimeZone
     */
@Test
public void TestVTimeZoneCoverage() {
    final String TZID = "Europe/Moscow";
    BasicTimeZone otz = (BasicTimeZone) TimeZone.getTimeZone(TZID, TimeZone.TIMEZONE_ICU);
    VTimeZone vtz = VTimeZone.create(TZID);
    // getOffset(era, year, month, day, dayOfWeek, milliseconds)
    int offset1 = otz.getOffset(GregorianCalendar.AD, 2007, Calendar.JULY, 1, Calendar.SUNDAY, 0);
    int offset2 = vtz.getOffset(GregorianCalendar.AD, 2007, Calendar.JULY, 1, Calendar.SUNDAY, 0);
    if (offset1 != offset2) {
        errln("FAIL: getOffset(int,int,int,int,int,int) returned different results in VTimeZone and OlsonTimeZone");
    }
    // getOffset(date, local, offsets)
    int[] offsets1 = new int[2];
    int[] offsets2 = new int[2];
    long t = System.currentTimeMillis();
    otz.getOffset(t, false, offsets1);
    vtz.getOffset(t, false, offsets2);
    if (offsets1[0] != offsets2[0] || offsets1[1] != offsets2[1]) {
        errln("FAIL: getOffset(long,boolean,int[]) returned different results in VTimeZone and OlsonTimeZone");
    }
    // getRawOffset
    if (otz.getRawOffset() != vtz.getRawOffset()) {
        errln("FAIL: getRawOffset returned different results in VTimeZone and OlsonTimeZone");
    }
    // inDaylightTime
    Date d = new Date();
    if (otz.inDaylightTime(d) != vtz.inDaylightTime(d)) {
        errln("FAIL: inDaylightTime returned different results in VTimeZone and OlsonTimeZone");
    }
    // useDaylightTime
    if (otz.useDaylightTime() != vtz.useDaylightTime()) {
        errln("FAIL: useDaylightTime returned different results in VTimeZone and OlsonTimeZone");
    }
    // setRawOffset
    final int RAW = -10 * HOUR;
    VTimeZone tmpvtz = (VTimeZone) vtz.clone();
    tmpvtz.setRawOffset(RAW);
    if (tmpvtz.getRawOffset() != RAW) {
        logln("setRawOffset is implemented");
    }
    // hasSameRules
    boolean bSame = otz.hasSameRules(vtz);
    logln("OlsonTimeZone#hasSameRules(VTimeZone) should return false always for now - actual: " + bSame);
    // getTZURL/setTZURL
    final String TZURL = "http://icu-project.org/timezone";
    String tzurl = vtz.getTZURL();
    if (tzurl != null) {
        errln("FAIL: getTZURL returned non-null value");
    }
    vtz.setTZURL(TZURL);
    tzurl = vtz.getTZURL();
    if (!TZURL.equals(tzurl)) {
        errln("FAIL: URL returned by getTZURL does not match the one set by setTZURL");
    }
    // getLastModified/setLastModified
    Date lastmod = vtz.getLastModified();
    if (lastmod != null) {
        errln("FAIL: getLastModified returned non-null value");
    }
    Date newdate = new Date();
    vtz.setLastModified(newdate);
    lastmod = vtz.getLastModified();
    if (!newdate.equals(lastmod)) {
        errln("FAIL: Date returned by getLastModified does not match the one set by setLastModified");
    }
    // getNextTransition/getPreviousTransition
    long base = getUTCMillis(2007, Calendar.JULY, 1);
    TimeZoneTransition tzt1 = otz.getNextTransition(base, true);
    TimeZoneTransition tzt2 = vtz.getNextTransition(base, true);
    if (tzt1.equals(tzt2)) {
        errln("FAIL: getNextTransition returned different results in VTimeZone and OlsonTimeZone");
    }
    tzt1 = otz.getPreviousTransition(base, false);
    tzt2 = vtz.getPreviousTransition(base, false);
    if (tzt1.equals(tzt2)) {
        errln("FAIL: getPreviousTransition returned different results in VTimeZone and OlsonTimeZone");
    }
    // hasEquivalentTransitions
    long time1 = getUTCMillis(1950, Calendar.JANUARY, 1);
    long time2 = getUTCMillis(2020, Calendar.JANUARY, 1);
    if (!vtz.hasEquivalentTransitions(otz, time1, time2)) {
        errln("FAIL: hasEquivalentTransitons returned false for the same time zone");
    }
    // getTimeZoneRules
    TimeZoneRule[] rulesetAll = vtz.getTimeZoneRules();
    TimeZoneRule[] ruleset1 = vtz.getTimeZoneRules(time1);
    TimeZoneRule[] ruleset2 = vtz.getTimeZoneRules(time2);
    if (rulesetAll.length < ruleset1.length || ruleset1.length < ruleset2.length) {
        errln("FAIL: Number of rules returned by getRules is invalid");
    }
    int[] offsets_vtzc = new int[2];
    VTimeZone vtzc = VTimeZone.create("PST");
    vtzc.getOffsetFromLocal(Calendar.getInstance(vtzc).getTimeInMillis(), VTimeZone.LOCAL_STD, VTimeZone.LOCAL_STD, offsets_vtzc);
    if (offsets_vtzc[0] > offsets_vtzc[1]) {
        errln("Error getOffsetFromLocal()");
    }
}