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

Example 61 with TimeZone

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

the class TimeZoneFormatTest method TestTimeRoundTrip.

/*
     * Test case of round trip time and text.  This test case detects every canonical TimeZone's
     * rule transition since 1900 until 2020, then check if time around each transition can
     * round trip as expected.
     */
@Test
public void TestTimeRoundTrip() {
    boolean TEST_ALL = getBooleanProperty("TimeZoneRoundTripAll", false);
    int startYear, endYear;
    if (TEST_ALL || TestFmwk.getExhaustiveness() > 5) {
        startYear = 1900;
    } else {
        startYear = 1990;
    }
    Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
    endYear = cal.get(Calendar.YEAR) + 3;
    cal.set(startYear, Calendar.JANUARY, 1);
    final long START_TIME = cal.getTimeInMillis();
    cal.set(endYear, Calendar.JANUARY, 1);
    final long END_TIME = cal.getTimeInMillis();
    // These patterns are ambiguous at DST->STD local time overlap
    List<String> AMBIGUOUS_DST_DECESSION = Arrays.asList("v", "vvvv", "V", "VV", "VVV", "VVVV");
    // These patterns are ambiguous at STD->STD/DST->DST local time overlap
    List<String> AMBIGUOUS_NEGATIVE_SHIFT = Arrays.asList("z", "zzzz", "v", "vvvv", "V", "VV", "VVV", "VVVV");
    // These patterns only support integer minutes offset
    List<String> MINUTES_OFFSET = Arrays.asList("X", "XX", "XXX", "x", "xx", "xxx");
    // Regex pattern used for filtering zone IDs without exemplar location
    final Pattern LOC_EXCLUSION_PATTERN = Pattern.compile("Etc/.*|SystemV/.*|.*/Riyadh8[7-9]");
    final String BASEPATTERN = "yyyy-MM-dd'T'HH:mm:ss.SSS";
    ULocale[] LOCALES = null;
    // timer for performance analysis
    long[] times = new long[PATTERNS.length];
    long timer;
    if (TEST_ALL) {
        // It may take about an hour for testing all locales
        LOCALES = ULocale.getAvailableLocales();
    } else if (TestFmwk.getExhaustiveness() > 5) {
        LOCALES = new ULocale[] { new ULocale("ar_EG"), new ULocale("bg_BG"), new ULocale("ca_ES"), new ULocale("da_DK"), new ULocale("de"), new ULocale("de_DE"), new ULocale("el_GR"), new ULocale("en"), new ULocale("en_AU"), new ULocale("en_CA"), new ULocale("en_US"), new ULocale("es"), new ULocale("es_ES"), new ULocale("es_MX"), new ULocale("fi_FI"), new ULocale("fr"), new ULocale("fr_CA"), new ULocale("fr_FR"), new ULocale("he_IL"), new ULocale("hu_HU"), new ULocale("it"), new ULocale("it_IT"), new ULocale("ja"), new ULocale("ja_JP"), new ULocale("ko"), new ULocale("ko_KR"), new ULocale("nb_NO"), new ULocale("nl_NL"), new ULocale("nn_NO"), new ULocale("pl_PL"), new ULocale("pt"), new ULocale("pt_BR"), new ULocale("pt_PT"), new ULocale("ru_RU"), new ULocale("sv_SE"), new ULocale("th_TH"), new ULocale("tr_TR"), new ULocale("zh"), new ULocale("zh_Hans"), new ULocale("zh_Hans_CN"), new ULocale("zh_Hant"), new ULocale("zh_Hant_HK"), new ULocale("zh_Hant_TW") };
    } else {
        LOCALES = new ULocale[] { new ULocale("en") };
    }
    SimpleDateFormat sdfGMT = new SimpleDateFormat(BASEPATTERN);
    sdfGMT.setTimeZone(TimeZone.getTimeZone("Etc/GMT"));
    long testCounts = 0;
    long[] testTimes = new long[4];
    boolean[] expectedRoundTrip = new boolean[4];
    int testLen = 0;
    for (int locidx = 0; locidx < LOCALES.length; locidx++) {
        logln("Locale: " + LOCALES[locidx].toString());
        for (int patidx = 0; patidx < PATTERNS.length; patidx++) {
            logln("    pattern: " + PATTERNS[patidx]);
            String pattern = BASEPATTERN + " " + PATTERNS[patidx];
            SimpleDateFormat sdf = new SimpleDateFormat(pattern, LOCALES[locidx]);
            boolean minutesOffset = MINUTES_OFFSET.contains(PATTERNS[patidx]);
            Set<String> ids = null;
            if (JDKTZ) {
                ids = new TreeSet<String>();
                String[] jdkIDs = java.util.TimeZone.getAvailableIDs();
                for (String jdkID : jdkIDs) {
                    if (EXCL_TZ_PATTERN.matcher(jdkID).matches()) {
                        continue;
                    }
                    String tmpID = TimeZone.getCanonicalID(jdkID);
                    if (tmpID != null) {
                        ids.add(tmpID);
                    }
                }
            } else {
                ids = TimeZone.getAvailableIDs(SystemTimeZoneType.CANONICAL, null, null);
            }
            for (String id : ids) {
                if (PATTERNS[patidx].equals("V")) {
                    // Some zones do not have short ID assigned, such as Asia/Riyadh87.
                    // The time roundtrip will fail for such zones with pattern "V" (short zone ID).
                    // This is expected behavior.
                    String shortZoneID = ZoneMeta.getShortID(id);
                    if (shortZoneID == null) {
                        continue;
                    }
                } else if (PATTERNS[patidx].equals("VVV")) {
                    // This is expected behavior.
                    if (id.indexOf('/') < 0 || LOC_EXCLUSION_PATTERN.matcher(id).matches()) {
                        continue;
                    }
                }
                if (id.equals("Pacific/Apia") && PATTERNS[patidx].equals("vvvv") && logKnownIssue("11052", "Ambiguous zone name - Samoa Time")) {
                    continue;
                }
                BasicTimeZone btz = (BasicTimeZone) TimeZone.getTimeZone(id, TimeZone.TIMEZONE_ICU);
                TimeZone tz = TimeZone.getTimeZone(id);
                sdf.setTimeZone(tz);
                long t = START_TIME;
                TimeZoneTransition tzt = null;
                boolean middle = true;
                boolean last = false;
                while (t < END_TIME) {
                    if (tzt == null) {
                        testTimes[0] = t;
                        expectedRoundTrip[0] = true;
                        testLen = 1;
                    } else {
                        int fromOffset = tzt.getFrom().getRawOffset() + tzt.getFrom().getDSTSavings();
                        int toOffset = tzt.getTo().getRawOffset() + tzt.getTo().getDSTSavings();
                        int delta = toOffset - fromOffset;
                        if (delta < 0) {
                            boolean isDstDecession = tzt.getFrom().getDSTSavings() > 0 && tzt.getTo().getDSTSavings() == 0;
                            testTimes[0] = t + delta - 1;
                            expectedRoundTrip[0] = true;
                            testTimes[1] = t + delta;
                            expectedRoundTrip[1] = isDstDecession ? !AMBIGUOUS_DST_DECESSION.contains(PATTERNS[patidx]) : !AMBIGUOUS_NEGATIVE_SHIFT.contains(PATTERNS[patidx]);
                            testTimes[2] = t - 1;
                            expectedRoundTrip[2] = isDstDecession ? !AMBIGUOUS_DST_DECESSION.contains(PATTERNS[patidx]) : !AMBIGUOUS_NEGATIVE_SHIFT.contains(PATTERNS[patidx]);
                            testTimes[3] = t;
                            expectedRoundTrip[3] = true;
                            testLen = 4;
                        } else {
                            testTimes[0] = t - 1;
                            expectedRoundTrip[0] = true;
                            testTimes[1] = t;
                            expectedRoundTrip[1] = true;
                            testLen = 2;
                        }
                    }
                    for (int testidx = 0; testidx < testLen; testidx++) {
                        testCounts++;
                        timer = System.currentTimeMillis();
                        String text = sdf.format(new Date(testTimes[testidx]));
                        try {
                            Date parsedDate = sdf.parse(text);
                            long restime = parsedDate.getTime();
                            long timeDiff = restime - testTimes[testidx];
                            boolean bTimeMatch = minutesOffset ? (timeDiff / 60000) * 60000 == 0 : timeDiff == 0;
                            if (!bTimeMatch) {
                                StringBuffer msg = new StringBuffer();
                                msg.append("Time round trip failed for ").append("tzid=").append(id).append(", locale=").append(LOCALES[locidx]).append(", pattern=").append(PATTERNS[patidx]).append(", text=").append(text).append(", gmt=").append(sdfGMT.format(new Date(testTimes[testidx]))).append(", time=").append(testTimes[testidx]).append(", restime=").append(restime).append(", diff=").append(timeDiff);
                                if (expectedRoundTrip[testidx] && !isSpecialTimeRoundTripCase(LOCALES[locidx], id, PATTERNS[patidx], testTimes[testidx])) {
                                    errln("FAIL: " + msg.toString());
                                } else if (REALLY_VERBOSE_LOG) {
                                    logln(msg.toString());
                                }
                            }
                        } catch (ParseException pe) {
                            errln("FAIL: " + pe.getMessage() + " tzid=" + id + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", text=" + text);
                        }
                        times[patidx] += System.currentTimeMillis() - timer;
                    }
                    if (last) {
                        break;
                    }
                    tzt = btz.getNextTransition(t, false);
                    if (tzt == null) {
                        last = true;
                        t = END_TIME - 1;
                    } else if (middle) {
                        // Test the date in the middle of two transitions.
                        t += (tzt.getTime() - t) / 2;
                        middle = false;
                        tzt = null;
                    } else {
                        t = tzt.getTime();
                    }
                }
            }
        }
    }
    long total = 0;
    logln("### Elapsed time by patterns ###");
    for (int i = 0; i < PATTERNS.length; i++) {
        logln(times[i] + "ms (" + PATTERNS[i] + ")");
        total += times[i];
    }
    logln("Total: " + total + "ms");
    logln("Iteration: " + testCounts);
}

Example 62 with TimeZone

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

the class TimeZoneFormatTest method TestParse.

@Test
public void TestParse() {
    final Object[][] DATA = { // parseOptions            expected            outpos      time type
    { "Z", 0, "en_US", Style.ISO_EXTENDED_FULL, null, "Etc/GMT", 1, TimeType.UNKNOWN }, { "Z", 0, "en_US", Style.SPECIFIC_LONG, null, "Etc/GMT", 1, TimeType.UNKNOWN }, { "Zambia time", 0, "en_US", Style.ISO_EXTENDED_FULL, EnumSet.of(ParseOption.ALL_STYLES), "Etc/GMT", 1, TimeType.UNKNOWN }, { "Zambia time", 0, "en_US", Style.GENERIC_LOCATION, null, "Africa/Lusaka", 11, TimeType.UNKNOWN }, { "Zambia time", 0, "en_US", Style.ISO_BASIC_LOCAL_FULL, EnumSet.of(ParseOption.ALL_STYLES), "Africa/Lusaka", 11, TimeType.UNKNOWN }, { "+00:00", 0, "en_US", Style.ISO_EXTENDED_FULL, null, "Etc/GMT", 6, TimeType.UNKNOWN }, { "-01:30:45", 0, "en_US", Style.ISO_EXTENDED_FULL, null, "GMT-01:30:45", 9, TimeType.UNKNOWN }, { "-7", 0, "en_US", Style.ISO_BASIC_LOCAL_FULL, null, "GMT-07:00", 2, TimeType.UNKNOWN }, { "-2222", 0, "en_US", Style.ISO_BASIC_LOCAL_FULL, null, "GMT-22:22", 5, TimeType.UNKNOWN }, { "-3333", 0, "en_US", Style.ISO_BASIC_LOCAL_FULL, null, "GMT-03:33", 4, TimeType.UNKNOWN }, { "XXX+01:30YYY", 3, "en_US", Style.LOCALIZED_GMT, null, "GMT+01:30", 9, TimeType.UNKNOWN }, { "GMT0", 0, "en_US", Style.SPECIFIC_SHORT, null, "Etc/GMT", 3, TimeType.UNKNOWN }, { "EST", 0, "en_US", Style.SPECIFIC_SHORT, null, "America/New_York", 3, TimeType.STANDARD }, { "ESTx", 0, "en_US", Style.SPECIFIC_SHORT, null, "America/New_York", 3, TimeType.STANDARD }, { "EDTx", 0, "en_US", Style.SPECIFIC_SHORT, null, "America/New_York", 3, TimeType.DAYLIGHT }, { "EST", 0, "en_US", Style.SPECIFIC_LONG, null, null, 0, TimeType.UNKNOWN }, { "EST", 0, "en_US", Style.SPECIFIC_LONG, EnumSet.of(ParseOption.ALL_STYLES), "America/New_York", 3, TimeType.STANDARD }, { "EST", 0, "en_CA", Style.SPECIFIC_SHORT, null, "America/Toronto", 3, TimeType.STANDARD }, { "CST", 0, "en_US", Style.SPECIFIC_SHORT, null, "America/Chicago", 3, TimeType.STANDARD }, { "CST", 0, "en_GB", Style.SPECIFIC_SHORT, null, null, 0, TimeType.UNKNOWN }, { "CST", 0, "en_GB", Style.SPECIFIC_SHORT, EnumSet.of(ParseOption.TZ_DATABASE_ABBREVIATIONS), "America/Chicago", 3, TimeType.STANDARD }, { "--CST--", 2, "en_GB", Style.SPECIFIC_SHORT, EnumSet.of(ParseOption.TZ_DATABASE_ABBREVIATIONS), "America/Chicago", 5, TimeType.STANDARD }, { "CST", 0, "zh_CN", Style.SPECIFIC_SHORT, EnumSet.of(ParseOption.TZ_DATABASE_ABBREVIATIONS), "Asia/Shanghai", 3, TimeType.STANDARD }, { "AEST", 0, "en_AU", Style.SPECIFIC_SHORT, EnumSet.of(ParseOption.TZ_DATABASE_ABBREVIATIONS), "Australia/Sydney", 4, TimeType.STANDARD }, { "AST", 0, "ar_SA", Style.SPECIFIC_SHORT, EnumSet.of(ParseOption.TZ_DATABASE_ABBREVIATIONS), "Asia/Riyadh", 3, TimeType.STANDARD }, { "AQTST", 0, "en", Style.SPECIFIC_LONG, null, null, 0, TimeType.UNKNOWN }, { "AQTST", 0, "en", Style.SPECIFIC_LONG, EnumSet.of(ParseOption.ALL_STYLES), null, 0, TimeType.UNKNOWN }, { "AQTST", 0, "en", Style.SPECIFIC_LONG, EnumSet.of(ParseOption.ALL_STYLES, ParseOption.TZ_DATABASE_ABBREVIATIONS), "Asia/Aqtobe", 5, TimeType.DAYLIGHT }, { "hora de verano británica", 0, "es", Style.SPECIFIC_LONG, null, "Europe/London", 24, TimeType.DAYLIGHT } };
    for (Object[] test : DATA) {
        String text = (String) test[0];
        int inPos = (Integer) test[1];
        ULocale loc = new ULocale((String) test[2]);
        Style style = (Style) test[3];
        EnumSet<ParseOption> options = (EnumSet<ParseOption>) test[4];
        String expID = (String) test[5];
        int expPos = (Integer) test[6];
        TimeType expType = (TimeType) test[7];
        TimeZoneFormat tzfmt = TimeZoneFormat.getInstance(loc);
        Output<TimeType> timeType = new Output<TimeType>(TimeType.UNKNOWN);
        ParsePosition pos = new ParsePosition(inPos);
        TimeZone tz = tzfmt.parse(style, text, pos, options, timeType);
        String errMsg = null;
        if (tz == null) {
            if (expID != null) {
                errMsg = "Parse failure - expected: " + expID;
            }
        } else if (!tz.getID().equals(expID)) {
            errMsg = "Time zone ID: " + tz.getID() + " - expected: " + expID;
        } else if (pos.getIndex() != expPos) {
            errMsg = "Parsed pos: " + pos.getIndex() + " - expected: " + expPos;
        } else if (timeType.value != expType) {
            errMsg = "Time type: " + timeType + " - expected: " + expType;
        }
        if (errMsg != null) {
            errln("Fail: " + errMsg + " [text=" + text + ", pos=" + inPos + ", locale=" + loc + ", style=" + style + "]");
        }
    }
}

Example 63 with TimeZone

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

the class TimeZoneFormatTest method TestTimeZoneRoundTrip.

/*
     * Test case for checking if a TimeZone is properly set in the result calendar
     * and if the result TimeZone has the expected behavior.
     */
@Test
public void TestTimeZoneRoundTrip() {
    boolean TEST_ALL = getBooleanProperty("TimeZoneRoundTripAll", false);
    TimeZone unknownZone = new SimpleTimeZone(-31415, "Etc/Unknown");
    int badDstOffset = -1234;
    int badZoneOffset = -2345;
    int[][] testDateData = { { 2007, 1, 15 }, { 2007, 6, 15 }, { 1990, 1, 15 }, { 1990, 6, 15 }, { 1960, 1, 15 }, { 1960, 6, 15 } };
    Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
    cal.clear();
    // Set up rule equivalency test range
    long low, high;
    cal.set(1900, 0, 1);
    low = cal.getTimeInMillis();
    cal.set(2040, 0, 1);
    high = cal.getTimeInMillis();
    // Set up test dates
    Date[] DATES = new Date[testDateData.length];
    cal.clear();
    for (int i = 0; i < DATES.length; i++) {
        cal.set(testDateData[i][0], testDateData[i][1], testDateData[i][2]);
        DATES[i] = cal.getTime();
    }
    // Set up test locales
    ULocale[] LOCALES = null;
    if (TEST_ALL || TestFmwk.getExhaustiveness() > 5) {
        LOCALES = ULocale.getAvailableLocales();
    } else {
        LOCALES = new ULocale[] { new ULocale("en"), new ULocale("en_CA"), new ULocale("fr"), new ULocale("zh_Hant") };
    }
    String[] tzids;
    if (JDKTZ) {
        tzids = java.util.TimeZone.getAvailableIDs();
    } else {
        tzids = TimeZone.getAvailableIDs();
    }
    int[] inOffsets = new int[2];
    int[] outOffsets = new int[2];
    // Run the roundtrip test
    for (int locidx = 0; locidx < LOCALES.length; locidx++) {
        logln("Locale: " + LOCALES[locidx].toString());
        String localGMTString = TimeZoneFormat.getInstance(LOCALES[locidx]).formatOffsetLocalizedGMT(0);
        for (int patidx = 0; patidx < PATTERNS.length; patidx++) {
            logln("    pattern: " + PATTERNS[patidx]);
            SimpleDateFormat sdf = new SimpleDateFormat(PATTERNS[patidx], LOCALES[locidx]);
            for (int tzidx = 0; tzidx < tzids.length; tzidx++) {
                if (EXCL_TZ_PATTERN.matcher(tzids[tzidx]).matches()) {
                    continue;
                }
                TimeZone tz = TimeZone.getTimeZone(tzids[tzidx]);
                for (int datidx = 0; datidx < DATES.length; datidx++) {
                    // Format
                    sdf.setTimeZone(tz);
                    String tzstr = sdf.format(DATES[datidx]);
                    // Before parse, set unknown zone to SimpleDateFormat instance
                    // just for making sure that it does not depends on the time zone
                    // originally set.
                    sdf.setTimeZone(unknownZone);
                    // Parse
                    ParsePosition pos = new ParsePosition(0);
                    Calendar outcal = Calendar.getInstance(unknownZone);
                    outcal.set(Calendar.DST_OFFSET, badDstOffset);
                    outcal.set(Calendar.ZONE_OFFSET, badZoneOffset);
                    sdf.parse(tzstr, outcal, pos);
                    // Check the result
                    TimeZone outtz = outcal.getTimeZone();
                    tz.getOffset(DATES[datidx].getTime(), false, inOffsets);
                    outtz.getOffset(DATES[datidx].getTime(), false, outOffsets);
                    if (PATTERNS[patidx].equals("V")) {
                        // Short zone ID - should support roundtrip for canonical CLDR IDs
                        String canonicalID = TimeZone.getCanonicalID(tzids[tzidx]);
                        if (!outtz.getID().equals(canonicalID)) {
                            if (outtz.getID().equals("Etc/Unknown")) {
                                // short zone ID and "unk" is used as the fallback
                                if (REALLY_VERBOSE_LOG) {
                                    logln("Canonical round trip failed (probably as expected); tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", outtz=" + outtz.getID());
                                }
                            } else {
                                errln("Canonical round trip failed; tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", outtz=" + outtz.getID());
                            }
                        }
                    } else if (PATTERNS[patidx].equals("VV")) {
                        // Zone ID - full roundtrip support
                        if (!outtz.getID().equals(tzids[tzidx])) {
                            errln("Zone ID round trip failed; tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", outtz=" + outtz.getID());
                        }
                    } else if (PATTERNS[patidx].equals("VVV") || PATTERNS[patidx].equals("VVVV")) {
                        // Location: time zone rule must be preserved except
                        // zones not actually associated with a specific location.
                        String canonicalID = TimeZone.getCanonicalID(tzids[tzidx]);
                        if (canonicalID != null && !outtz.getID().equals(canonicalID)) {
                            // Canonical ID did not match - check the rules
                            boolean bFailure = false;
                            if ((tz instanceof BasicTimeZone) && (outtz instanceof BasicTimeZone)) {
                                boolean hasNoLocation = TimeZone.getRegion(tzids[tzidx]).equals("001");
                                bFailure = !hasNoLocation && !((BasicTimeZone) outtz).hasEquivalentTransitions(tz, low, high);
                            }
                            if (bFailure) {
                                errln("Canonical round trip failed; tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", outtz=" + outtz.getID());
                            } else if (REALLY_VERBOSE_LOG) {
                                logln("Canonical round trip failed (as expected); tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", outtz=" + outtz.getID());
                            }
                        }
                    } else {
                        boolean isOffsetFormat = (PATTERNS[patidx].charAt(0) == 'Z' || PATTERNS[patidx].charAt(0) == 'O' || PATTERNS[patidx].charAt(0) == 'X' || PATTERNS[patidx].charAt(0) == 'x');
                        boolean minutesOffset = false;
                        if (PATTERNS[patidx].charAt(0) == 'X' || PATTERNS[patidx].charAt(0) == 'x') {
                            minutesOffset = PATTERNS[patidx].length() <= 3;
                        }
                        if (!isOffsetFormat) {
                            // Check if localized GMT format is used as a fallback of name styles
                            int numDigits = 0;
                            for (int n = 0; n < tzstr.length(); n++) {
                                if (UCharacter.isDigit(tzstr.charAt(n))) {
                                    numDigits++;
                                }
                            }
                            isOffsetFormat = (numDigits > 0);
                        }
                        if (isOffsetFormat || tzstr.equals(localGMTString)) {
                            // Localized GMT or ISO: total offset (raw + dst) must be preserved.
                            int inOffset = inOffsets[0] + inOffsets[1];
                            int outOffset = outOffsets[0] + outOffsets[1];
                            int diff = outOffset - inOffset;
                            if (minutesOffset) {
                                diff = (diff / 60000) * 60000;
                            }
                            if (diff != 0) {
                                errln("Offset round trip failed; tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", inOffset=" + inOffset + ", outOffset=" + outOffset);
                            }
                        } else {
                            // Specific or generic: raw offset must be preserved.
                            if (inOffsets[0] != outOffsets[0]) {
                                if (JDKTZ && tzids[tzidx].startsWith("SystemV/")) {
                                    // ICU handles these zones as aliases of existing time zones
                                    if (REALLY_VERBOSE_LOG) {
                                        logln("Raw offset round trip failed; tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", inRawOffset=" + inOffsets[0] + ", outRawOffset=" + outOffsets[0]);
                                    }
                                } else {
                                    errln("Raw offset round trip failed; tz=" + tzids[tzidx] + ", locale=" + LOCALES[locidx] + ", pattern=" + PATTERNS[patidx] + ", time=" + DATES[datidx].getTime() + ", str=" + tzstr + ", inRawOffset=" + inOffsets[0] + ", outRawOffset=" + outOffsets[0]);
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 64 with TimeZone

use of android.icu.util.TimeZone in project android_frameworks_opt_telephony by LineageOS.

the class TimeZoneLookupHelperTest method assertOffsetResultZoneOffsets.

/**
 * Assert the time zone in the OffsetResult has the expected properties at the specified time.
 */
private static void assertOffsetResultZoneOffsets(long time, int expectedOffsetAtTime, Integer expectedDstAtTime, OffsetResult lookupResult) {
    TimeZone timeZone = lookupResult.getTimeZone();
    GregorianCalendar calendar = new GregorianCalendar(timeZone);
    calendar.setTimeInMillis(time);
    int actualOffsetAtTime = calendar.get(Calendar.ZONE_OFFSET) + calendar.get(Calendar.DST_OFFSET);
    assertEquals(expectedOffsetAtTime, actualOffsetAtTime);
    if (expectedDstAtTime != null) {
        Date date = new Date(time);
        assertEquals(expectedDstAtTime > 0, timeZone.inDaylightTime(date));
        // The code under test assumes DST means +1 in all cases,
        // This code makes fewer assumptions.
        assertEquals(expectedDstAtTime.intValue(), calendar.get(Calendar.DST_OFFSET));
    }
}

Example 65 with TimeZone

use of android.icu.util.TimeZone in project android_frameworks_opt_telephony by LineageOS.

the class TimeZoneLookupHelper method lookupByInstantOffsetDst.

private static OffsetResult lookupByInstantOffsetDst(long timeMillis, int utcOffsetMillis, @Nullable Boolean isDst) {
    String[] zones = TimeZone.getAvailableIDs();
    TimeZone match = null;
    boolean isOnlyMatch = true;
    for (String zone : zones) {
        TimeZone tz = TimeZone.getFrozenTimeZone(zone);
        if (offsetMatchesAtTime(tz, utcOffsetMillis, isDst, timeMillis)) {
            if (match == null) {
                match = tz;
            } else {
                isOnlyMatch = false;
                break;
            }
        }
    }
    if (match == null) {
        return null;
    }
    return new OffsetResult(match, isOnlyMatch);
}