| /*********************************************************************** |
| * COPYRIGHT: |
| * Copyright (c) 1997-2006, International Business Machines Corporation |
| * and others. All Rights Reserved. |
| ***********************************************************************/ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "tzbdtest.h" |
| #include "unicode/timezone.h" |
| #include "unicode/simpletz.h" |
| #include "unicode/gregocal.h" |
| #include "putilimp.h" |
| |
| void TimeZoneBoundaryTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ ) |
| { |
| if (exec) logln("TestSuite TestTimeZoneBoundary"); |
| switch (index) { |
| case 0: |
| name = "TestBoundaries"; |
| if (exec) { |
| logln("TestBoundaries---"); logln(""); |
| TestBoundaries(); |
| } |
| break; |
| case 1: |
| name = "TestNewRules"; |
| if (exec) { |
| logln("TestNewRules---"); logln(""); |
| TestNewRules(); |
| } |
| break; |
| case 2: |
| name = "TestStepwise"; |
| if (exec) { |
| logln("TestStepwise---"); logln(""); |
| TestStepwise(); |
| } |
| break; |
| default: name = ""; break; |
| } |
| } |
| |
| // ***************************************************************************** |
| // class TimeZoneBoundaryTest |
| // ***************************************************************************** |
| |
| TimeZoneBoundaryTest::TimeZoneBoundaryTest() |
| : |
| ONE_SECOND(1000), |
| ONE_MINUTE(60 * ONE_SECOND), |
| ONE_HOUR(60 * ONE_MINUTE), |
| ONE_DAY(24 * ONE_HOUR), |
| ONE_YEAR(uprv_floor(365.25 * ONE_DAY)), |
| SIX_MONTHS(ONE_YEAR / 2) |
| { |
| } |
| |
| const int32_t TimeZoneBoundaryTest::MONTH_LENGTH[] = { |
| 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 |
| }; |
| |
| const UDate TimeZoneBoundaryTest::PST_1997_BEG = 860320800000.0; |
| |
| const UDate TimeZoneBoundaryTest::PST_1997_END = 877856400000.0; |
| |
| const UDate TimeZoneBoundaryTest::INTERVAL = 10; |
| |
| // ------------------------------------- |
| |
| void |
| TimeZoneBoundaryTest::findDaylightBoundaryUsingDate(UDate d, const char* startMode, UDate expectedBoundary) |
| { |
| UnicodeString str; |
| if (dateToString(d, str).indexOf(startMode) == - 1) { |
| logln(UnicodeString("Error: ") + startMode + " not present in " + str); |
| } |
| UDate min = d; |
| UDate max = min + SIX_MONTHS; |
| while ((max - min) > INTERVAL) { |
| UDate mid = (min + max) / 2; |
| UnicodeString* s = &dateToString(mid, str); |
| if (s->indexOf(startMode) != - 1) { |
| min = mid; |
| } |
| else { |
| max = mid; |
| } |
| } |
| logln("Date Before: " + showDate(min)); |
| logln("Date After: " + showDate(max)); |
| UDate mindelta = expectedBoundary - min; |
| UDate maxdelta = max - expectedBoundary; |
| if (mindelta >= 0 && |
| mindelta <= INTERVAL && |
| maxdelta >= 0 && |
| maxdelta <= INTERVAL) logln(UnicodeString("PASS: Expected boundary at ") + expectedBoundary); |
| else errln(UnicodeString("FAIL: Expected boundary at ") + expectedBoundary); |
| } |
| |
| // ------------------------------------- |
| |
| void |
| TimeZoneBoundaryTest::findDaylightBoundaryUsingTimeZone(UDate d, UBool startsInDST, UDate expectedBoundary) |
| { |
| TimeZone *zone = TimeZone::createDefault(); |
| findDaylightBoundaryUsingTimeZone(d, startsInDST, expectedBoundary, zone); |
| delete zone; |
| } |
| |
| // ------------------------------------- |
| |
| void |
| TimeZoneBoundaryTest::findDaylightBoundaryUsingTimeZone(UDate d, UBool startsInDST, UDate expectedBoundary, TimeZone* tz) |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| UnicodeString str; |
| UDate min = d; |
| UDate max = min + SIX_MONTHS; |
| if (tz->inDaylightTime(d, status) != startsInDST) { |
| errln("FAIL: " + tz->getID(str) + " inDaylightTime(" + dateToString(d) + ") != " + (startsInDST ? "true" : "false")); |
| startsInDST = !startsInDST; |
| } |
| if (failure(status, "TimeZone::inDaylightTime")) return; |
| if (tz->inDaylightTime(max, status) == startsInDST) { |
| errln("FAIL: " + tz->getID(str) + " inDaylightTime(" + dateToString(max) + ") != " + (startsInDST ? "false" : "true")); |
| return; |
| } |
| if (failure(status, "TimeZone::inDaylightTime")) return; |
| while ((max - min) > INTERVAL) { |
| UDate mid = (min + max) / 2; |
| UBool isIn = tz->inDaylightTime(mid, status); |
| if (failure(status, "TimeZone::inDaylightTime")) return; |
| if (isIn == startsInDST) { |
| min = mid; |
| } |
| else { |
| max = mid; |
| } |
| } |
| logln(tz->getID(str) + " Before: " + showDate(min)); |
| logln(tz->getID(str) + " After: " + showDate(max)); |
| UDate mindelta = expectedBoundary - min; |
| UDate maxdelta = max - expectedBoundary; |
| if (mindelta >= 0 && |
| mindelta <= INTERVAL && |
| maxdelta >= 0 && |
| maxdelta <= INTERVAL) logln(UnicodeString("PASS: Expected boundary at ") + expectedBoundary); |
| else errln(UnicodeString("FAIL: Expected boundary at ") + expectedBoundary); |
| } |
| |
| // ------------------------------------- |
| /* |
| UnicodeString* |
| TimeZoneBoundaryTest::showDate(int32_t l) |
| { |
| return showDate(new Date(l)); |
| } |
| */ |
| // ------------------------------------- |
| |
| UnicodeString |
| TimeZoneBoundaryTest::showDate(UDate d) |
| { |
| int32_t y, m, day, h, min, sec; |
| dateToFields(d, y, m, day, h, min, sec); |
| return UnicodeString("") + y + "/" + showNN(m + 1) + "/" + |
| showNN(day) + " " + showNN(h) + ":" + showNN(min) + |
| " \"" + dateToString(d) + "\" = " + uprv_floor(d+0.5); |
| } |
| |
| // ------------------------------------- |
| |
| UnicodeString |
| TimeZoneBoundaryTest::showNN(int32_t n) |
| { |
| UnicodeString nStr; |
| if (n < 10) { |
| nStr += UnicodeString("0", ""); |
| } |
| return nStr + n; |
| } |
| |
| // ------------------------------------- |
| |
| void |
| TimeZoneBoundaryTest::verifyDST(UDate d, TimeZone* time_zone, UBool expUseDaylightTime, UBool expInDaylightTime, UDate expZoneOffset, UDate expDSTOffset) |
| { |
| UnicodeString str; |
| UErrorCode status = U_ZERO_ERROR; |
| logln("-- Verifying time " + dateToString(d) + " in zone " + time_zone->getID(str)); |
| if (time_zone->inDaylightTime(d, status) == expInDaylightTime) |
| logln(UnicodeString("PASS: inDaylightTime = ") + (time_zone->inDaylightTime(d, status)?"true":"false")); |
| else |
| errln(UnicodeString("FAIL: inDaylightTime = ") + (time_zone->inDaylightTime(d, status)?"true":"false")); |
| if (failure(status, "TimeZone::inDaylightTime")) |
| return; |
| if (time_zone->useDaylightTime() == expUseDaylightTime) |
| logln(UnicodeString("PASS: useDaylightTime = ") + (time_zone->useDaylightTime()?"true":"false")); |
| else |
| errln(UnicodeString("FAIL: useDaylightTime = ") + (time_zone->useDaylightTime()?"true":"false")); |
| if (time_zone->getRawOffset() == expZoneOffset) |
| logln(UnicodeString("PASS: getRawOffset() = ") + (expZoneOffset / ONE_HOUR)); |
| else |
| errln(UnicodeString("FAIL: getRawOffset() = ") + (time_zone->getRawOffset() / ONE_HOUR) + "; expected " + (expZoneOffset / ONE_HOUR)); |
| |
| GregorianCalendar *gc = new GregorianCalendar(time_zone->clone(), status); |
| gc->setTime(d, status); |
| if (failure(status, "GregorianCalendar::setTime")) return; |
| int32_t offset = time_zone->getOffset((uint8_t)gc->get(UCAL_ERA, status), |
| gc->get(UCAL_YEAR, status), gc->get(UCAL_MONTH, status), |
| gc->get(UCAL_DATE, status), (uint8_t)gc->get(UCAL_DAY_OF_WEEK, status), |
| ((gc->get(UCAL_HOUR_OF_DAY, status) * 60 + gc->get(UCAL_MINUTE, status)) * 60 + gc->get(UCAL_SECOND, status)) * 1000 + gc->get(UCAL_MILLISECOND, status), |
| status); |
| if (failure(status, "GregorianCalendar::get")) return; |
| if (offset == expDSTOffset) logln(UnicodeString("PASS: getOffset() = ") + (offset / ONE_HOUR)); |
| else errln(UnicodeString("FAIL: getOffset() = ") + (offset / ONE_HOUR) + "; expected " + (expDSTOffset / ONE_HOUR)); |
| delete gc; |
| } |
| |
| // ------------------------------------- |
| /** |
| * Check that the given year/month/dom/hour maps to and from the |
| * given epochHours. This verifies the functioning of the |
| * calendar and time zone in conjunction with one another, |
| * including the calendar time->fields and fields->time and |
| * the time zone getOffset method. |
| * |
| * @param epochHours hours after Jan 1 1970 0:00 GMT. |
| */ |
| void TimeZoneBoundaryTest::verifyMapping(Calendar& cal, int year, int month, int dom, int hour, |
| double epochHours) { |
| double H = 3600000.0; |
| UErrorCode status = U_ZERO_ERROR; |
| cal.clear(); |
| cal.set(year, month, dom, hour, 0, 0); |
| UDate e = cal.getTime(status)/ H; |
| UDate ed = (epochHours * H); |
| if (e == epochHours) { |
| logln(UnicodeString("Ok: ") + year + "/" + (month+1) + "/" + dom + " " + hour + ":00 => " + |
| e + " (" + ed + ")"); |
| } else { |
| errln(UnicodeString("FAIL: ") + year + "/" + (month+1) + "/" + dom + " " + hour + ":00 => " + |
| e + " (" + (e * H) + ")" + |
| ", expected " + epochHours + " (" + ed + ")"); |
| } |
| cal.setTime(ed, status); |
| if (cal.get(UCAL_YEAR, status) == year && |
| cal.get(UCAL_MONTH, status) == month && |
| cal.get(UCAL_DATE, status) == dom && |
| cal.get(UCAL_MILLISECONDS_IN_DAY, status) == hour * 3600000) { |
| logln(UnicodeString("Ok: ") + epochHours + " (" + ed + ") => " + |
| cal.get(UCAL_YEAR, status) + "/" + |
| (cal.get(UCAL_MONTH, status)+1) + "/" + |
| cal.get(UCAL_DATE, status) + " " + |
| cal.get(UCAL_MILLISECOND, status)/H); |
| } else { |
| errln(UnicodeString("FAIL: ") + epochHours + " (" + ed + ") => " + |
| cal.get(UCAL_YEAR, status) + "/" + |
| (cal.get(UCAL_MONTH, status)+1) + "/" + |
| cal.get(UCAL_DATE, status) + " " + |
| cal.get(UCAL_MILLISECOND, status)/H + |
| ", expected " + year + "/" + (month+1) + "/" + dom + |
| " " + hour); |
| } |
| } |
| |
| /** |
| * Test the behavior of SimpleTimeZone at the transition into and out of DST. |
| * Use a binary search to find boundaries. |
| */ |
| void |
| TimeZoneBoundaryTest::TestBoundaries() |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| TimeZone* pst = TimeZone::createTimeZone("PST"); |
| Calendar* tempcal = Calendar::createInstance(pst, status); |
| if(U_SUCCESS(status)){ |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 3, 0, 238904.0); |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 4, 0, 238928.0); |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 5, 0, 238952.0); |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 5, 23, 238975.0); |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 6, 0, 238976.0); |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 6, 1, 238977.0); |
| verifyMapping(*tempcal, 1997, Calendar::APRIL, 6, 3, 238978.0); |
| }else{ |
| errln("Could not create calendar. Error: %s", u_errorName(status)); |
| } |
| TimeZone* utc = TimeZone::createTimeZone("UTC"); |
| Calendar* utccal = Calendar::createInstance(utc, status); |
| if(U_SUCCESS(status)){ |
| verifyMapping(*utccal, 1997, Calendar::APRIL, 6, 0, 238968.0); |
| }else{ |
| errln("Could not create calendar. Error: %s", u_errorName(status)); |
| } |
| TimeZone* save = TimeZone::createDefault(); |
| TimeZone::setDefault(*pst); |
| |
| // DST changeover for PST is 4/6/1997 at 2 hours past midnight |
| // at 238978.0 epoch hours. |
| tempcal->clear(); |
| tempcal->set(1997, Calendar::APRIL, 6); |
| UDate d = tempcal->getTime(status); |
| |
| // i is minutes past midnight standard time |
| for (int i=-120; i<=180; i+=60) |
| { |
| UBool inDST = (i >= 120); |
| tempcal->setTime(d + i*60*1000, status); |
| verifyDST(tempcal->getTime(status),pst, TRUE, inDST, -8*ONE_HOUR,inDST ? -7*ONE_HOUR : -8*ONE_HOUR); |
| } |
| TimeZone::setDefault(*save); |
| delete save; |
| delete utccal; |
| delete tempcal; |
| |
| #if 1 |
| { |
| logln("--- Test a ---"); |
| UDate d = date(97, UCAL_APRIL, 6); |
| TimeZone *z = TimeZone::createTimeZone("PST"); |
| for (int32_t i = 60; i <= 180; i += 15) { |
| UBool inDST = (i >= 120); |
| UDate e = d + i * 60 * 1000; |
| verifyDST(e, z, TRUE, inDST, - 8 * ONE_HOUR, inDST ? - 7 * ONE_HOUR: - 8 * ONE_HOUR); |
| } |
| delete z; |
| } |
| #endif |
| #if 1 |
| { |
| logln("--- Test b ---"); |
| TimeZone *tz; |
| TimeZone::setDefault(*(tz = TimeZone::createTimeZone("PST"))); |
| delete tz; |
| logln("========================================"); |
| findDaylightBoundaryUsingDate(date(97, 0, 1), "PST", PST_1997_BEG); |
| logln("========================================"); |
| findDaylightBoundaryUsingDate(date(97, 6, 1), "PDT", PST_1997_END); |
| } |
| #endif |
| #if 1 |
| { |
| logln("--- Test c ---"); |
| logln("========================================"); |
| TimeZone* z = TimeZone::createTimeZone("Australia/Adelaide"); |
| findDaylightBoundaryUsingTimeZone(date(97, 0, 1), TRUE, 859653000000.0, z); |
| logln("========================================"); |
| findDaylightBoundaryUsingTimeZone(date(97, 6, 1), FALSE, 877797000000.0, z); |
| delete z; |
| } |
| #endif |
| #if 1 |
| { |
| logln("--- Test d ---"); |
| logln("========================================"); |
| findDaylightBoundaryUsingTimeZone(date(97, 0, 1), FALSE, PST_1997_BEG); |
| logln("========================================"); |
| findDaylightBoundaryUsingTimeZone(date(97, 6, 1), TRUE, PST_1997_END); |
| } |
| #endif |
| #if 0 |
| { |
| logln("--- Test e ---"); |
| TimeZone *z = TimeZone::createDefault(); |
| logln(UnicodeString("") + z->getOffset(1, 97, 3, 4, 6, 0) + " " + date(97, 3, 4)); |
| logln(UnicodeString("") + z->getOffset(1, 97, 3, 5, 7, 0) + " " + date(97, 3, 5)); |
| logln(UnicodeString("") + z->getOffset(1, 97, 3, 6, 1, 0) + " " + date(97, 3, 6)); |
| logln(UnicodeString("") + z->getOffset(1, 97, 3, 7, 2, 0) + " " + date(97, 3, 7)); |
| delete z; |
| } |
| #endif |
| } |
| |
| // ------------------------------------- |
| |
| void |
| TimeZoneBoundaryTest::testUsingBinarySearch(SimpleTimeZone* tz, UDate d, UDate expectedBoundary) |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| UDate min = d; |
| UDate max = min + SIX_MONTHS; |
| UBool startsInDST = tz->inDaylightTime(d, status); |
| if (failure(status, "SimpleTimeZone::inDaylightTime")) return; |
| if (tz->inDaylightTime(max, status) == startsInDST) { |
| errln("Error: inDaylightTime(" + dateToString(max) + ") != " + ((!startsInDST)?"true":"false")); |
| } |
| if (failure(status, "SimpleTimeZone::inDaylightTime")) return; |
| while ((max - min) > INTERVAL) { |
| UDate mid = (min + max) / 2; |
| if (tz->inDaylightTime(mid, status) == startsInDST) { |
| min = mid; |
| } |
| else { |
| max = mid; |
| } |
| if (failure(status, "SimpleTimeZone::inDaylightTime")) return; |
| } |
| logln("Binary Search Before: " + showDate(min)); |
| logln("Binary Search After: " + showDate(max)); |
| UDate mindelta = expectedBoundary - min; |
| UDate maxdelta = max - expectedBoundary; |
| if (mindelta >= 0 && |
| mindelta <= INTERVAL && |
| maxdelta >= 0 && |
| maxdelta <= INTERVAL) logln(UnicodeString("PASS: Expected boundary at ") + expectedBoundary); |
| else errln(UnicodeString("FAIL: Expected boundary at ") + expectedBoundary); |
| } |
| |
| // ------------------------------------- |
| |
| /** |
| * Test the handling of the "new" rules; that is, rules other than nth Day of week. |
| */ |
| void |
| TimeZoneBoundaryTest::TestNewRules() |
| { |
| #if 1 |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| SimpleTimeZone *tz; |
| logln("-----------------------------------------------------------------"); |
| logln("Aug 2ndTues .. Mar 15"); |
| tz = new SimpleTimeZone(- 8 * (int32_t)ONE_HOUR, "Test_1", UCAL_AUGUST, 2, UCAL_TUESDAY, 2 * (int32_t)ONE_HOUR, UCAL_MARCH, 15, 0, 2 * (int32_t)ONE_HOUR, status); |
| logln("========================================"); |
| testUsingBinarySearch(tz, date(97, 0, 1), 858416400000.0); |
| logln("========================================"); |
| testUsingBinarySearch(tz, date(97, 6, 1), 871380000000.0); |
| delete tz; |
| logln("-----------------------------------------------------------------"); |
| logln("Apr Wed>=14 .. Sep Sun<=20"); |
| tz = new SimpleTimeZone(- 8 * (int32_t)ONE_HOUR, "Test_2", UCAL_APRIL, 14, - UCAL_WEDNESDAY, 2 *(int32_t)ONE_HOUR, UCAL_SEPTEMBER, - 20, - UCAL_SUNDAY, 2 * (int32_t)ONE_HOUR, status); |
| logln("========================================"); |
| testUsingBinarySearch(tz, date(97, 0, 1), 861184800000.0); |
| logln("========================================"); |
| testUsingBinarySearch(tz, date(97, 6, 1), 874227600000.0); |
| delete tz; |
| } |
| #endif |
| } |
| |
| // ------------------------------------- |
| |
| void |
| TimeZoneBoundaryTest::findBoundariesStepwise(int32_t year, UDate interval, TimeZone* z, int32_t expectedChanges) |
| { |
| UErrorCode status = U_ZERO_ERROR; |
| UnicodeString str; |
| UDate d = date(year - 1900, UCAL_JANUARY, 1); |
| UDate time = d; |
| UDate limit = time + ONE_YEAR + ONE_DAY; |
| UBool lastState = z->inDaylightTime(d, status); |
| if (failure(status, "TimeZone::inDaylightTime")) return; |
| int32_t changes = 0; |
| logln(UnicodeString("-- Zone ") + z->getID(str) + " starts in " + year + " with DST = " + (lastState?"true":"false")); |
| logln(UnicodeString("useDaylightTime = ") + (z->useDaylightTime()?"true":"false")); |
| while (time < limit) { |
| d = time; |
| UBool state = z->inDaylightTime(d, status); |
| if (failure(status, "TimeZone::inDaylightTime")) return; |
| if (state != lastState) { |
| logln(UnicodeString(state ? "Entry ": "Exit ") + "at " + d); |
| lastState = state;++changes; |
| } |
| time += interval; |
| } |
| if (changes == 0) { |
| if (!lastState && |
| !z->useDaylightTime()) logln("No DST"); |
| else errln("FAIL: DST all year, or no DST with true useDaylightTime"); |
| } |
| else if (changes != 2) { |
| errln(UnicodeString("FAIL: ") + changes + " changes seen; should see 0 or 2"); |
| } |
| else if (!z->useDaylightTime()) { |
| errln("FAIL: useDaylightTime false but 2 changes seen"); |
| } |
| if (changes != expectedChanges) { |
| errln(UnicodeString("FAIL: ") + changes + " changes seen; expected " + expectedChanges); |
| } |
| } |
| |
| // ------------------------------------- |
| |
| /** |
| * This test is problematic. It makes assumptions about the behavior |
| * of specific zones. Since ICU's zone table is based on the Olson |
| * zones (the UNIX zones), and those change from time to time, this |
| * test can fail after a zone table update. If that happens, the |
| * selected zones need to be updated to have the behavior |
| * expected. That is, they should have DST, not have DST, and have DST |
| * -- other than that this test isn't picky. 12/3/99 aliu |
| * |
| * Test the behavior of SimpleTimeZone at the transition into and out of DST. |
| * Use a stepwise march to find boundaries. |
| */ |
| void |
| TimeZoneBoundaryTest::TestStepwise() |
| { |
| TimeZone *zone = TimeZone::createTimeZone("America/New_York"); |
| findBoundariesStepwise(1997, ONE_DAY, zone, 2); |
| delete zone; |
| zone = TimeZone::createTimeZone("UTC"); // updated 12/3/99 aliu |
| findBoundariesStepwise(1997, ONE_DAY, zone, 0); |
| delete zone; |
| zone = TimeZone::createTimeZone("Australia/Adelaide"); |
| findBoundariesStepwise(1997, ONE_DAY, zone, 2); |
| delete zone; |
| } |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
