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scuffed-code/icu4c/source/test/intltest/tzfmttst.cpp

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ICU-5990 Merging time zone formatting/parsing changes from yoshito's working branch to the trunk. X-SVN-Rev: 22978
2007-11-28 20:49:58 +00:00
/*
*******************************************************************************
* Copyright (C) 2007, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "tzfmttst.h"
#include "unicode/timezone.h"
#include "unicode/simpletz.h"
#include "unicode/calendar.h"
#include "unicode/strenum.h"
#include "unicode/smpdtfmt.h"
#include "unicode/uchar.h"
#include "unicode/basictz.h"
#include "cstring.h"
#include "zonemeta.h"
#define DEBUG_ALL 0
static const char* PATTERNS[] = {"z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV"};
static const int NUM_PATTERNS = sizeof(PATTERNS)/sizeof(const char*);
void
TimeZoneFormatTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
if (exec) {
logln("TestSuite TimeZoneFormatTest");
}
switch (index) {
TESTCASE(0, TestTimeZoneRoundTrip);
TESTCASE(1, TestTimeRoundTrip);
default: name = ""; break;
}
}
void
TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
UErrorCode status = U_ZERO_ERROR;
SimpleTimeZone unknownZone(-31415, (UnicodeString)"Etc/Unknown");
int32_t badDstOffset = -1234;
int32_t badZoneOffset = -2345;
int32_t testDateData[][3] = {
{2007, 1, 15},
{2007, 6, 15},
{1990, 1, 15},
{1990, 6, 15},
{1960, 1, 15},
{1960, 6, 15},
};
Calendar *cal = Calendar::createInstance(TimeZone::createTimeZone((UnicodeString)"UTC"), status);
if (U_FAILURE(status)) {
errln("Calendar::createInstance failed");
return;
}
// Set up rule equivalency test range
UDate low, high;
cal->set(1900, UCAL_JANUARY, 1);
low = cal->getTime(status);
cal->set(2040, UCAL_JANUARY, 1);
high = cal->getTime(status);
if (U_FAILURE(status)) {
errln("getTime failed");
return;
}
// Set up test dates
UDate DATES[(sizeof(testDateData)/sizeof(int32_t))/3];
const int32_t nDates = (sizeof(testDateData)/sizeof(int32_t))/3;
cal->clear();
for (int32_t i = 0; i < nDates; i++) {
cal->set(testDateData[i][0], testDateData[i][1], testDateData[i][2]);
DATES[i] = cal->getTime(status);
if (U_FAILURE(status)) {
errln("getTime failed");
return;
}
}
// Set up test locales
const Locale locales1[] = {
Locale("en_US")
};
const Locale locales2[] = {
Locale("en_US"),
Locale("en"),
Locale("en_CA"),
Locale("fr"),
Locale("zh_Hant")
};
const Locale *LOCALES;
int32_t nLocales;
if (DEBUG_ALL) {
LOCALES = Locale::getAvailableLocales(nLocales);
} else if (quick) {
LOCALES = locales1;
nLocales = sizeof(locales1)/sizeof(Locale);
} else {
LOCALES = locales2;
nLocales = sizeof(locales2)/sizeof(Locale);
}
StringEnumeration *tzids = TimeZone::createEnumeration();
if (U_FAILURE(status)) {
errln("tzids->count failed");
return;
}
int32_t inRaw, inDst;
int32_t outRaw, outDst;
// Run the roundtrip test
for (int32_t locidx = 0; locidx < nLocales; locidx++) {
for (int32_t patidx = 0; patidx < NUM_PATTERNS; patidx++) {
//DEBUG static const char* PATTERNS[] = {"z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV"};
//if (patidx != 1) continue;
SimpleDateFormat *sdf = new SimpleDateFormat((UnicodeString)PATTERNS[patidx], LOCALES[locidx], status);
if (U_FAILURE(status)) {
errln((UnicodeString)"new SimpleDateFormat failed for pattern " +
PATTERNS[patidx] + " for locale " + LOCALES[locidx].getName());
status = U_ZERO_ERROR;
continue;
}
tzids->reset(status);
const UnicodeString *tzid;
while ((tzid = tzids->snext(status))) {
TimeZone *tz = TimeZone::createTimeZone(*tzid);
for (int32_t datidx = 0; datidx < nDates; datidx++) {
UnicodeString tzstr;
FieldPosition fpos(0);
// Format
sdf->setTimeZone(*tz);
sdf->format(DATES[datidx], tzstr, fpos);
// 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(0);
Calendar *outcal = Calendar::createInstance(unknownZone, status);
if (U_FAILURE(status)) {
errln("Failed to create an instance of calendar for receiving parse result.");
status = U_ZERO_ERROR;
continue;
}
outcal->set(UCAL_DST_OFFSET, badDstOffset);
outcal->set(UCAL_ZONE_OFFSET, badZoneOffset);
sdf->parse(tzstr, *outcal, pos);
// Check the result
const TimeZone &outtz = outcal->getTimeZone();
UnicodeString outtzid;
outtz.getID(outtzid);
tz->getOffset(DATES[datidx], false, inRaw, inDst, status);
if (U_FAILURE(status)) {
errln((UnicodeString)"Failed to get offsets from time zone" + *tzid);
status = U_ZERO_ERROR;
}
outtz.getOffset(DATES[datidx], false, outRaw, outDst, status);
if (U_FAILURE(status)) {
errln((UnicodeString)"Failed to get offsets from time zone" + outtzid);
status = U_ZERO_ERROR;
}
// Check if localized GMT format or RFC format is used.
int32_t numDigits = 0;
for (int n = 0; n < tzstr.length(); n++) {
if (u_isdigit(tzstr.charAt(n))) {
numDigits++;
}
}
if (numDigits >= 4) {
// Localized GMT or RFC: total offset (raw + dst) must be preserved.
int32_t inOffset = inRaw + inDst;
int32_t outOffset = outRaw + outDst;
if (inOffset != outOffset) {
errln((UnicodeString)"Offset round trip failed; tz=" + *tzid
+ ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+ ", time=" + DATES[datidx] + ", str=" + tzstr
+ ", inOffset=" + inOffset + ", outOffset=" + outOffset);
}
} else if (uprv_strcmp(PATTERNS[patidx], "z") == 0 || uprv_strcmp(PATTERNS[patidx], "zzzz") == 0
|| uprv_strcmp(PATTERNS[patidx], "v") == 0 || uprv_strcmp(PATTERNS[patidx], "vvvv") == 0
|| uprv_strcmp(PATTERNS[patidx], "V") == 0) {
// Specific or generic: raw offset must be preserved.
if (inRaw != outRaw) {
errln((UnicodeString)"Raw offset round trip failed; tz=" + *tzid
+ ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+ ", time=" + DATES[datidx] + ", str=" + tzstr
+ ", inRawOffset=" + inRaw + ", outRawOffset=" + outRaw);
}
} else { // "VVVV"
// Location: time zone rule must be preserved.
UnicodeString canonical;
ZoneMeta::getCanonicalID(*tzid, canonical);
if (outtzid != canonical) {
// Canonical ID did not match - check the rules
if (!((BasicTimeZone*)&outtz)->hasEquivalentTransitions((BasicTimeZone&)*tz, low, high, TRUE, status)) {
errln("Canonical round trip failed; tz=" + *tzid
+ ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+ ", time=" + DATES[datidx] + ", str=" + tzstr
+ ", outtz=" + outtzid);
}
if (U_FAILURE(status)) {
errln("hasEquivalentTransitions failed");
status = U_ZERO_ERROR;
}
}
}
ICU-5990 Fix memory leak issues X-SVN-Rev: 23018
2007-12-05 16:00:18 +00:00
delete outcal;
ICU-5990 Merging time zone formatting/parsing changes from yoshito's working branch to the trunk. X-SVN-Rev: 22978
2007-11-28 20:49:58 +00:00
}
delete tz;
}
delete sdf;
}
}
delete cal;
delete tzids;
}
void
TimeZoneFormatTest::TestTimeRoundTrip(void) {
UErrorCode status = U_ZERO_ERROR;
Calendar *cal = Calendar::createInstance(TimeZone::createTimeZone((UnicodeString)"UTC"), status);
if (U_FAILURE(status)) {
errln("Calendar::createInstance failed");
return;
}
UDate START_TIME, END_TIME;
if (DEBUG_ALL) {
cal->set(1900, UCAL_JANUARY, 1);
} else {
cal->set(1965, UCAL_JANUARY, 1);
}
START_TIME = cal->getTime(status);
cal->set(2015, UCAL_JANUARY, 1);
END_TIME = cal->getTime(status);
if (U_FAILURE(status)) {
errln("getTime failed");
return;
}
// Whether each pattern is ambiguous at DST->STD local time overlap
UBool AMBIGUOUS_DST_DECESSION[] = {FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, TRUE};
// Whether each pattern is ambiguous at STD->STD/DST->DST local time overlap
UBool AMBIGUOUS_NEGATIVE_SHIFT[] = {TRUE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE};
UnicodeString BASEPATTERN("yyyy-MM-dd'T'HH:mm:ss.SSS");
// timer for performance analysis
UDate timer;
UDate times[NUM_PATTERNS];
for (int32_t i = 0; i < NUM_PATTERNS; i++) {
times[i] = 0;
}
UBool REALLY_VERBOSE = FALSE;
// Set up test locales
const Locale locales1[] = {
Locale("en_US")
};
const Locale locales2[] = {
Locale("en_US"),
Locale("en"),
Locale("de_DE"),
Locale("es_ES"),
Locale("fr_FR"),
Locale("it_IT"),
Locale("ja_JP"),
Locale("ko_KR"),
Locale("pt_BR"),
Locale("zh_Hans_CN"),
Locale("zh_Hant_TW")
};
const Locale *LOCALES;
int32_t nLocales;
if (DEBUG_ALL) {
LOCALES = Locale::getAvailableLocales(nLocales);
} else if (quick) {
LOCALES = locales1;
nLocales = sizeof(locales1)/sizeof(Locale);
} else {
LOCALES = locales2;
nLocales = sizeof(locales2)/sizeof(Locale);
}
StringEnumeration *tzids = TimeZone::createEnumeration();
if (U_FAILURE(status)) {
errln("tzids->count failed");
return;
}
int32_t testCounts = 0;
UDate testTimes[4];
UBool expectedRoundTrip[4];
int32_t testLen = 0;
for (int32_t locidx = 0; locidx < nLocales; locidx++) {
logln((UnicodeString)"Locale: " + LOCALES[locidx].getName());
for (int32_t patidx = 0; patidx < NUM_PATTERNS; patidx++) {
logln((UnicodeString)" pattern: " + PATTERNS[patidx]);
//DEBUG static const char* PATTERNS[] = {"z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV"};
//if (patidx != 1) continue;
UnicodeString pattern(BASEPATTERN);
pattern.append(" ").append(PATTERNS[patidx]);
SimpleDateFormat *sdf = new SimpleDateFormat(pattern, LOCALES[locidx], status);
if (U_FAILURE(status)) {
errln((UnicodeString)"new SimpleDateFormat failed for pattern " +
pattern + " for locale " + LOCALES[locidx].getName());
status = U_ZERO_ERROR;
continue;
}
tzids->reset(status);
const UnicodeString *tzid;
timer = Calendar::getNow();
while ((tzid = tzids->snext(status))) {
UnicodeString canonical;
ZoneMeta::getCanonicalID(*tzid, canonical);
if (*tzid != canonical) {
// Skip aliases
continue;
}
BasicTimeZone *tz = (BasicTimeZone*)TimeZone::createTimeZone(*tzid);
sdf->setTimeZone(*tz);
UDate t = START_TIME;
TimeZoneTransition tzt;
UBool tztAvail = FALSE;
UBool middle = TRUE;
while (t < END_TIME) {
if (!tztAvail) {
testTimes[0] = t;
expectedRoundTrip[0] = TRUE;
testLen = 1;
} else {
int32_t fromOffset = tzt.getFrom()->getRawOffset() + tzt.getFrom()->getDSTSavings();
int32_t toOffset = tzt.getTo()->getRawOffset() + tzt.getTo()->getDSTSavings();
int32_t delta = toOffset - fromOffset;
if (delta < 0) {
UBool 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[patidx] : !AMBIGUOUS_NEGATIVE_SHIFT[patidx];
testTimes[2] = t - 1;
expectedRoundTrip[2] = isDstDecession ?
!AMBIGUOUS_DST_DECESSION[patidx] : !AMBIGUOUS_NEGATIVE_SHIFT[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 (int32_t testidx = 0; testidx < testLen; testidx++) {
if (quick) {
// reduce regular test time
if (!expectedRoundTrip[testidx]) {
continue;
}
}
testCounts++;
UnicodeString text;
FieldPosition fpos(0);
sdf->format(testTimes[testidx], text, fpos);
UDate parsedDate = sdf->parse(text, status);
if (U_FAILURE(status)) {
errln((UnicodeString)"Failed to parse " + text);
status = U_ZERO_ERROR;
continue;
}
if (parsedDate != testTimes[testidx]) {
UnicodeString msg = (UnicodeString)"Time round trip failed for "
+ "tzid=" + *tzid
+ ", locale=" + LOCALES[locidx].getName()
+ ", pattern=" + PATTERNS[patidx]
+ ", text=" + text
+ ", time=" + testTimes[testidx]
+ ", restime=" + parsedDate
+ ", diff=" + (parsedDate - testTimes[testidx]);
if (expectedRoundTrip[testidx]) {
errln((UnicodeString)"FAIL: " + msg);
} else if (REALLY_VERBOSE) {
logln(msg);
}
}
}
tztAvail = tz->getNextTransition(t, FALSE, tzt);
if (!tztAvail) {
break;
}
if (middle) {
// Test the date in the middle of two transitions.
t += (int64_t)((tzt.getTime() - t)/2);
middle = FALSE;
tztAvail = FALSE;
} else {
t = tzt.getTime();
}
}
delete tz;
}
times[patidx] += (Calendar::getNow() - timer);
delete sdf;
}
}
UDate total = 0;
logln("### Elapsed time by patterns ###");
for (int32_t i = 0; i < NUM_PATTERNS; i++) {
logln(UnicodeString("") + times[i] + "ms (" + PATTERNS[i] + ")");
total += times[i];
}
logln((UnicodeString)"Total: " + total + "ms");
logln((UnicodeString)"Iteration: " + testCounts);
delete cal;
delete tzids;
}
#endif /* #if !UCONFIG_NO_FORMATTING */
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