U_CAPI int32_t U_EXPORT2
ucal_getDSTSavings(const UChar* zoneID, UErrorCode* ec) {
int32_t result = 0;
TimeZone* zone = _createTimeZone(zoneID, -1, ec);
if (U_SUCCESS(*ec)) {
SimpleTimeZone* stz = dynamic_cast<SimpleTimeZone*>(zone);
if (stz != NULL) {
result = stz->getDSTSavings();
} else {
// Since there is no getDSTSavings on TimeZone, we use a
// heuristic: Starting with the current time, march
// forwards for one year, looking for DST savings.
// Stepping by weeks is sufficient.
UDate d = Calendar::getNow();
for (int32_t i=0; i<53; ++i, d+=U_MILLIS_PER_DAY*7.0) {
int32_t raw, dst;
zone->getOffset(d, FALSE, raw, dst, *ec);
if (U_FAILURE(*ec)) {
break;
} else if (dst != 0) {
result = dst;
break;
}
}
}
}
delete zone;
return result;
}
void
SimpleTimeZone::checkTransitionRules(UErrorCode& status) const {
if (U_FAILURE(status)) {
return;
}
umtx_lock(&gLock);
if (!transitionRulesInitialized) {
SimpleTimeZone *ncThis = const_cast<SimpleTimeZone*>(this);
ncThis->initTransitionRules(status);
}
umtx_unlock(&gLock);
}
UDate TimeZoneRegressionTest::findTransitionStepwise(const SimpleTimeZone& tz, UDate min, UDate max) {
UErrorCode status = U_ZERO_ERROR;
UBool startsInDST = tz.inDaylightTime(min, status);
if (failure(status, "SimpleTimeZone::inDaylightTime")) return 0;
while (min < max) {
if (tz.inDaylightTime(min, status) != startsInDST) {
return min;
}
if (failure(status, "SimpleTimeZone::inDaylightTime")) return 0;
min += (UDate)24*60*60*1000; // one day
}
return 0;
}
/**
* @bug 4154537
* SimpleTimeZone::hasSameRules() doesn't work for zones with no DST
* and different DST parameters.
*/
void TimeZoneRegressionTest:: Test4154537() {
UErrorCode status = U_ZERO_ERROR;
// tz1 and tz2 have no DST and different rule parameters
SimpleTimeZone *tz1 = new SimpleTimeZone(0, "1", 0, 0, 0, 0, 2, 0, 0, 0, status);
SimpleTimeZone *tz2 = new SimpleTimeZone(0, "2", 1, 0, 0, 0, 3, 0, 0, 0, status);
// tza and tzA have the same rule params
SimpleTimeZone *tza = new SimpleTimeZone(0, "a", 0, 1, 0, 0, 3, 2, 0, 0, status);
SimpleTimeZone *tzA = new SimpleTimeZone(0, "A", 0, 1, 0, 0, 3, 2, 0, 0, status);
// tzb differs from tza
SimpleTimeZone *tzb = new SimpleTimeZone(0, "b", 0, 1, 0, 0, 3, 1, 0, 0, status);
if(U_FAILURE(status))
errln("Couldn't create TimeZones");
if (tz1->useDaylightTime() || tz2->useDaylightTime() ||
!tza->useDaylightTime() || !tzA->useDaylightTime() ||
!tzb->useDaylightTime()) {
errln("Test is broken -- rewrite it");
}
if (!tza->hasSameRules(*tzA) || tza->hasSameRules(*tzb)) {
errln("Fail: hasSameRules() broken for zones with rules");
}
if (!tz1->hasSameRules(*tz2)) {
errln("Fail: hasSameRules() returns false for zones without rules");
//errln("zone 1 = " + tz1);
//errln("zone 2 = " + tz2);
}
delete tz1;
delete tz2;
delete tza;
delete tzA;
delete tzb;
}
UDate TimeZoneRegressionTest::findTransitionBinary(const SimpleTimeZone& tz, UDate min, UDate max) {
UErrorCode status = U_ZERO_ERROR;
UBool startsInDST = tz.inDaylightTime(min, status);
if (failure(status, "SimpleTimeZone::inDaylightTime")) return 0;
if (tz.inDaylightTime(max, status) == startsInDST) {
logln((UnicodeString)"Error: inDaylightTime() != " + ((!startsInDST)?"TRUE":"FALSE"));
return 0;
}
if (failure(status, "SimpleTimeZone::inDaylightTime")) return 0;
while ((max - min) > 100) { // Min accuracy in ms
UDate mid = (min + max) / 2;
if (tz.inDaylightTime(mid, status) == startsInDST) {
min = mid;
} else {
max = mid;
}
if (failure(status, "SimpleTimeZone::inDaylightTime")) return 0;
}
return (min + max) / 2;
}
/**
* @bug 4154542
* SimpleTimeZOne constructors, setStartRule(), and setEndRule() don't
* check for out-of-range arguments.
*/
void TimeZoneRegressionTest:: Test4154542()
{
const int32_t GOOD = 1;
const int32_t BAD = 0;
const int32_t GOOD_MONTH = UCAL_JANUARY;
const int32_t GOOD_DAY = 1;
const int32_t GOOD_DAY_OF_WEEK = UCAL_SUNDAY;
const int32_t GOOD_TIME = 0;
int32_t DATA [] = {
GOOD, INT32_MIN, 0, INT32_MAX, INT32_MIN,
GOOD, UCAL_JANUARY, -5, UCAL_SUNDAY, 0,
GOOD, UCAL_DECEMBER, 5, UCAL_SATURDAY, 24*60*60*1000,
BAD, UCAL_DECEMBER, 5, UCAL_SATURDAY, 24*60*60*1000+1,
BAD, UCAL_DECEMBER, 5, UCAL_SATURDAY, -1,
BAD, UCAL_JANUARY, -6, UCAL_SUNDAY, 0,
BAD, UCAL_DECEMBER, 6, UCAL_SATURDAY, 24*60*60*1000,
GOOD, UCAL_DECEMBER, 1, 0, 0,
GOOD, UCAL_DECEMBER, 31, 0, 0,
BAD, UCAL_APRIL, 31, 0, 0,
BAD, UCAL_DECEMBER, 32, 0, 0,
BAD, UCAL_JANUARY-1, 1, UCAL_SUNDAY, 0,
BAD, UCAL_DECEMBER+1, 1, UCAL_SUNDAY, 0,
GOOD, UCAL_DECEMBER, 31, -UCAL_SUNDAY, 0,
GOOD, UCAL_DECEMBER, 31, -UCAL_SATURDAY, 0,
BAD, UCAL_DECEMBER, 32, -UCAL_SATURDAY, 0,
BAD, UCAL_DECEMBER, -32, -UCAL_SATURDAY, 0,
BAD, UCAL_DECEMBER, 31, -UCAL_SATURDAY-1, 0,
};
SimpleTimeZone *zone = new SimpleTimeZone(0, "Z");
for (int32_t i=0; i < 18*5; i+=5) {
UBool shouldBeGood = (DATA[i] == GOOD);
int32_t month = DATA[i+1];
int32_t day = DATA[i+2];
int32_t dayOfWeek = DATA[i+3];
int32_t time = DATA[i+4];
UErrorCode status = U_ZERO_ERROR;
//Exception ex = null;
//try {
zone->setStartRule(month, day, dayOfWeek, time, status);
//} catch (IllegalArgumentException e) {
// ex = e;
//}
if (U_SUCCESS(status) != shouldBeGood) {
errln(UnicodeString("setStartRule(month=") + month + ", day=" + day +
", dayOfWeek=" + dayOfWeek + ", time=" + time +
(shouldBeGood ? (") should work")
: ") should fail but doesn't"));
}
//ex = null;
//try {
status = U_ZERO_ERROR;
zone->setEndRule(month, day, dayOfWeek, time, status);
//} catch (IllegalArgumentException e) {
// ex = e;
//}
if (U_SUCCESS(status) != shouldBeGood) {
errln(UnicodeString("setEndRule(month=") + month + ", day=" + day +
", dayOfWeek=" + dayOfWeek + ", time=" + time +
(shouldBeGood ? (") should work")
: ") should fail but doesn't"));
}
//ex = null;
//try {
// {sfb} need to look into ctor problems! (UErrorCode vs. dst signature confusion)
status = U_ZERO_ERROR;
SimpleTimeZone *temp = new SimpleTimeZone(0, "Z",
(int8_t)month, (int8_t)day, (int8_t)dayOfWeek, time,
(int8_t)GOOD_MONTH, (int8_t)GOOD_DAY, (int8_t)GOOD_DAY_OF_WEEK,
GOOD_TIME,status);
//} catch (IllegalArgumentException e) {
// ex = e;
//}
if (U_SUCCESS(status) != shouldBeGood) {
errln(UnicodeString("SimpleTimeZone(month=") + month + ", day=" + day +
", dayOfWeek=" + dayOfWeek + ", time=" + time +
(shouldBeGood ? (", <end>) should work")// + ex)
: ", <end>) should fail but doesn't"));
}
delete temp;
//ex = null;
//try {
status = U_ZERO_ERROR;
temp = new SimpleTimeZone(0, "Z",
(int8_t)GOOD_MONTH, (int8_t)GOOD_DAY, (int8_t)GOOD_DAY_OF_WEEK,
GOOD_TIME,
(int8_t)month, (int8_t)day, (int8_t)dayOfWeek, time,status);
//} catch (IllegalArgumentException e) {
// ex = e;
//}
if (U_SUCCESS(status) != shouldBeGood) {
errln(UnicodeString("SimpleTimeZone(<start>, month=") + month + ", day=" + day +
", dayOfWeek=" + dayOfWeek + ", time=" + time +
(shouldBeGood ? (") should work")// + ex)
: ") should fail but doesn't"));
}
delete temp;
}
delete zone;
}
// {sfb} will this work using a Calendar?
void TimeZoneRegressionTest:: Test4073215()
{
UErrorCode status = U_ZERO_ERROR;
UnicodeString str, str2;
SimpleTimeZone *z = new SimpleTimeZone(0, "GMT");
if (z->useDaylightTime())
errln("Fail: Fix test to start with non-DST zone");
z->setStartRule(UCAL_FEBRUARY, 1, UCAL_SUNDAY, 0, status);
failure(status, "z->setStartRule()");
z->setEndRule(UCAL_MARCH, -1, UCAL_SUNDAY, 0, status);
failure(status, "z->setStartRule()");
if (!z->useDaylightTime())
errln("Fail: DST not active");
GregorianCalendar cal(1997, UCAL_JANUARY, 31, status);
if(U_FAILURE(status)) {
dataerrln("Error creating calendar %s", u_errorName(status));
return;
}
failure(status, "new GregorianCalendar");
cal.adoptTimeZone(z);
SimpleDateFormat sdf((UnicodeString)"E d MMM yyyy G HH:mm", status);
if(U_FAILURE(status)) {
dataerrln("Error creating date format %s", u_errorName(status));
return;
}
sdf.setCalendar(cal);
failure(status, "new SimpleDateFormat");
UDate jan31, mar1, mar31;
UBool indt = z->inDaylightTime(jan31=cal.getTime(status), status);
failure(status, "inDaylightTime or getTime call on Jan 31");
if (indt) {
errln("Fail: Jan 31 inDaylightTime=TRUE, exp FALSE");
}
cal.set(1997, UCAL_MARCH, 1);
indt = z->inDaylightTime(mar1=cal.getTime(status), status);
failure(status, "inDaylightTime or getTime call on Mar 1");
if (!indt) {
UnicodeString str;
sdf.format(cal.getTime(status), str);
failure(status, "getTime");
errln((UnicodeString)"Fail: " + str + " inDaylightTime=FALSE, exp TRUE");
}
cal.set(1997, UCAL_MARCH, 31);
indt = z->inDaylightTime(mar31=cal.getTime(status), status);
failure(status, "inDaylightTime or getTime call on Mar 31");
if (indt) {
errln("Fail: Mar 31 inDaylightTime=TRUE, exp FALSE");
}
/*
cal.set(1997, Calendar::DECEMBER, 31);
UDate dec31 = cal.getTime(status);
failure(status, "getTime");
UDate trans = findTransitionStepwise(*z, jan31, dec31);
logln((UnicodeString)"Stepwise from " +
sdf.format(jan31, str.remove()) + "; transition at " +
(trans?sdf.format(trans, str2.remove()):(UnicodeString)"NONE"));
trans = findTransitionStepwise(*z, mar1, dec31);
logln((UnicodeString)"Stepwise from " +
sdf.format(mar1, str.remove()) + "; transition at " +
(trans?sdf.format(trans, str2.remove()):(UnicodeString)"NONE"));
trans = findTransitionStepwise(*z, mar31, dec31);
logln((UnicodeString)"Stepwise from " +
sdf.format(mar31, str.remove()) + "; transition at " +
(trans?sdf.format(trans, str2.remove()):(UnicodeString)"NONE"));
*/
}
/**
* SimpleTimeZone allows invalid DOM values.
*/
void TimeZoneRegressionTest::Test4184229() {
SimpleTimeZone* zone = NULL;
UErrorCode status = U_ZERO_ERROR;
zone = new SimpleTimeZone(0, "A", 0, -1, 0, 0, 0, 0, 0, 0, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 startDay");
}else{
logln("(a) " + UnicodeString( u_errorName(status)));
}
status = U_ZERO_ERROR;
delete zone;
zone = new SimpleTimeZone(0, "A", 0, 0, 0, 0, 0, -1, 0, 0, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 endDay");
}else{
logln("(b) " + UnicodeString(u_errorName(status)));
}
status = U_ZERO_ERROR;
delete zone;
zone = new SimpleTimeZone(0, "A", 0, -1, 0, 0, 0, 0, 0, 1000, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 startDay+savings");
}else{
logln("(c) " + UnicodeString(u_errorName(status)));
}
status = U_ZERO_ERROR;
delete zone;
zone = new SimpleTimeZone(0, "A", 0, 0, 0, 0, 0, -1, 0, 0, 1000, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 endDay+ savings");
}else{
logln("(d) " + UnicodeString(u_errorName(status)));
}
status = U_ZERO_ERROR;
delete zone;
// Make a valid constructor call for subsequent tests.
zone = new SimpleTimeZone(0, "A", 0, 1, 0, 0, 0, 1, 0, 0, status);
zone->setStartRule(0, -1, 0, 0, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 setStartRule +savings");
} else{
logln("(e) " + UnicodeString(u_errorName(status)));
}
zone->setStartRule(0, -1, 0, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 setStartRule");
} else{
logln("(f) " + UnicodeString(u_errorName(status)));
}
zone->setEndRule(0, -1, 0, 0, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 setEndRule+savings");
} else{
logln("(g) " + UnicodeString(u_errorName(status)));
}
zone->setEndRule(0, -1, 0, status);
if(U_SUCCESS(status)){
errln("Failed. No exception has been thrown for DOM -1 setEndRule");
} else{
logln("(h) " + UnicodeString(u_errorName(status)));
}
delete zone;
}
// test new API for JDK 1.2 8/31 putback
void
TimeZoneRegressionTest::TestJDK12API()
{
// TimeZone *pst = TimeZone::createTimeZone("PST");
// TimeZone *cst1 = TimeZone::createTimeZone("CST");
UErrorCode ec = U_ZERO_ERROR;
//d,-28800,3,1,-1,120,w,9,-1,1,120,w,60
TimeZone *pst = new SimpleTimeZone(-28800*U_MILLIS_PER_SECOND,
"PST",
3,1,-1,120*U_MILLIS_PER_MINUTE,
SimpleTimeZone::WALL_TIME,
9,-1,1,120*U_MILLIS_PER_MINUTE,
SimpleTimeZone::WALL_TIME,
60*U_MILLIS_PER_MINUTE,ec);
//d,-21600,3,1,-1,120,w,9,-1,1,120,w,60
TimeZone *cst1 = new SimpleTimeZone(-21600*U_MILLIS_PER_SECOND,
"CST",
3,1,-1,120*U_MILLIS_PER_MINUTE,
SimpleTimeZone::WALL_TIME,
9,-1,1,120*U_MILLIS_PER_MINUTE,
SimpleTimeZone::WALL_TIME,
60*U_MILLIS_PER_MINUTE,ec);
if (U_FAILURE(ec)) {
errln("FAIL: SimpleTimeZone constructor");
return;
}
SimpleTimeZone *cst = dynamic_cast<SimpleTimeZone *>(cst1);
if(pst->hasSameRules(*cst)) {
errln("FAILURE: PST and CST have same rules");
}
UErrorCode status = U_ZERO_ERROR;
int32_t offset1 = pst->getOffset(1,
1997, UCAL_OCTOBER, 26, UCAL_SUNDAY, (2*60*60*1000), status);
failure(status, "getOffset() failed");
int32_t offset2 = cst->getOffset(1,
1997, UCAL_OCTOBER, 26, UCAL_SUNDAY, (2*60*60*1000), 31, status);
failure(status, "getOffset() failed");
if(offset1 == offset2)
errln("FAILURE: Sunday Oct. 26 1997 2:00 has same offset for PST and CST");
// verify error checking
pst->getOffset(1,
1997, UCAL_FIELD_COUNT+1, 26, UCAL_SUNDAY, (2*60*60*1000), status);
if(U_SUCCESS(status))
errln("FAILURE: getOffset() succeeded with -1 for month");
status = U_ZERO_ERROR;
cst->setDSTSavings(60*60*1000, status);
failure(status, "setDSTSavings() failed");
int32_t savings = cst->getDSTSavings();
if(savings != 60*60*1000) {
errln("setDSTSavings() failed");
}
delete pst;
delete cst;
}
