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- /*
- ********************************************************************
- * COPYRIGHT:
- * (C) Copyright International Business Machines Corporation, 1998
- * Licensed Material - Program-Property of IBM - All Rights Reserved.
- * US Government Users Restricted Rights - Use, duplication, or disclosure
- * restricted by GSA ADP Schedule Contract with IBM Corp.
- *
- ********************************************************************
- */
-
- #include "dtfmtrtts.h"
-
- #include <stdio.h>
-
- #include "datefmt.h"
- #include "smpdtfmt.h"
- #include "gregocal.h"
-
-
- // *****************************************************************************
- // class DateFormatRoundTripTest
- // *****************************************************************************
-
- // Useful for turning up subtle bugs: Change the following to TRUE, recompile,
- // and run while at lunch.
- bool_t DateFormatRoundTripTest::INFINITE = FALSE; // Warning -- makes test run infinite loop!!!
-
- // If SPARSENESS is > 0, we don't run each exhaustive possibility.
- // There are 24 total possible tests per each locale. A SPARSENESS
- // of 12 means we run half of them. A SPARSENESS of 23 means we run
- // 1 of them. SPARSENESS _must_ be in the range 0..23.
- int32_t DateFormatRoundTripTest::SPARSENESS = 18;
- int32_t DateFormatRoundTripTest::TRIALS = 4;
- int32_t DateFormatRoundTripTest::DEPTH = 5;
-
-
- #define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break;
-
- void
- DateFormatRoundTripTest::runIndexedTest( int32_t index, bool_t exec, char* &name, char* par )
- {
- // if (exec) logln((UnicodeString)"TestSuite NumberFormatRegressionTest");
- switch (index) {
- CASE(0,TestDateFormatRoundTrip)
- default: name = ""; break;
- }
- }
-
- bool_t
- DateFormatRoundTripTest::failure(UErrorCode status, const char* msg)
- {
- if(U_FAILURE(status)) {
- errln(UnicodeString("FAIL: ") + msg + " failed, error " + errorName(status));
- return TRUE;
- }
-
- return FALSE;
- }
-
- // ==
-
- void DateFormatRoundTripTest::TestDateFormatRoundTrip()
- {
- UErrorCode status = U_ZERO_ERROR;
- dateFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss.SSS zzz yyyy G", status);
- failure(status, "new SimpleDateFormat");
-
- getFieldCal = Calendar::createInstance(status);
- failure(status, "Calendar::createInstance");
-
-
- int32_t locCount = 0;
- const Locale *avail = DateFormat::getAvailableLocales(locCount);
- logln("DateFormat available locales: " + locCount);
- if(quick) {
- if(locCount > 5)
- locCount = 5;
- logln("Quick mode: only testing first 5 Locales");
- }
- TimeZone *tz = TimeZone::createDefault();
- UnicodeString temp;
- logln("Default TimeZone: " + tz->getID(temp));
- delete tz;
-
- if (INFINITE) {
- // Special infinite loop test mode for finding hard to reproduce errors
- Locale loc = Locale::getDefault();
- logln("ENTERING INFINITE TEST LOOP FOR Locale: " + loc.getDisplayName(temp));
- for(;;)
- test(loc);
- }
- else {
- test(Locale::getDefault());
-
- for (int i=0; i < locCount; ++i) {
- test(avail[i]);
- }
- }
-
- delete dateFormat;
- delete getFieldCal;
- }
-
- void DateFormatRoundTripTest::test(const Locale& loc)
- {
- UnicodeString temp;
- if( ! INFINITE)
- logln("Locale: " + loc.getDisplayName(temp));
-
- // Total possibilities = 24
- // 4 date
- // 4 time
- // 16 date-time
- bool_t TEST_TABLE [24];//= new boolean[24];
- int32_t i = 0;
- for(i = 0; i < 24; ++i)
- TEST_TABLE[i] = TRUE;
-
- // If we have some sparseness, implement it here. Sparseness decreases
- // test time by eliminating some tests, up to 23.
- for(i = 0; i < SPARSENESS; ) {
- int random = (int)(randFraction() * 24);
- if (random >= 0 && random < 24 && TEST_TABLE[i]) {
- TEST_TABLE[i] = FALSE;
- ++i;
- }
- }
-
- int32_t itable = 0;
- int32_t style = 0;
- for(style = DateFormat::FULL; style <= DateFormat::SHORT; ++style) {
- if(TEST_TABLE[itable++]) {
- DateFormat *df = DateFormat::createDateInstance((DateFormat::EStyle)style, loc);
- test(df);
- delete df;
- }
- }
-
- for(style = DateFormat::FULL; style <= DateFormat::SHORT; ++style) {
- if (TEST_TABLE[itable++]) {
- DateFormat *df = DateFormat::createTimeInstance((DateFormat::EStyle)style, loc);
- test(df, TRUE);
- delete df;
- }
- }
-
- for(int32_t dstyle = DateFormat::FULL; dstyle <= DateFormat::SHORT; ++dstyle) {
- for(int32_t tstyle = DateFormat::FULL; tstyle <= DateFormat::SHORT; ++tstyle) {
- if(TEST_TABLE[itable++]) {
- DateFormat *df = DateFormat::createDateTimeInstance((DateFormat::EStyle)dstyle, (DateFormat::EStyle)tstyle, loc);
- test(df);
- delete df;
- }
- }
- }
- }
-
- void DateFormatRoundTripTest::test(DateFormat *fmt, bool_t timeOnly)
- {
- UnicodeString pat;
- if(fmt->getDynamicClassID() != SimpleDateFormat::getStaticClassID()) {
- errln("DateFormat wasn't a SimpleDateFormat");
- return;
- }
-
- pat = ((SimpleDateFormat*)fmt)->toPattern(pat);
-
- // NOTE TO MAINTAINER
- // This indexOf check into the pattern needs to be refined to ignore
- // quoted characters. Currently, this isn't a problem with the locale
- // patterns we have, but it may be a problem later.
-
- bool_t hasEra = (pat.indexOf(UnicodeString("G")) != -1);
- bool_t hasZone = (pat.indexOf(UnicodeString("z")) != -1);
-
- // Because patterns contain incomplete data representing the Date,
- // we must be careful of how we do the roundtrip. We start with
- // a randomly generated Date because they're easier to generate.
- // From this we get a string. The string is our real starting point,
- // because this string should parse the same way all the time. Note
- // that it will not necessarily parse back to the original date because
- // of incompleteness in patterns. For example, a time-only pattern won't
- // parse back to the same date.
-
- //try {
- for(int i = 0; i < TRIALS; ++i) {
- UDate *d = new UDate [DEPTH];
- UnicodeString *s = new UnicodeString[DEPTH];
-
- d[0] = generateDate();
-
- UErrorCode status = U_ZERO_ERROR;
-
- // We go through this loop until we achieve a match or until
- // the maximum loop count is reached. We record the points at
- // which the date and the string starts to match. Once matching
- // starts, it should continue.
- int loop;
- int dmatch = 0; // d[dmatch].getTime() == d[dmatch-1].getTime()
- int smatch = 0; // s[smatch].equals(s[smatch-1])
- for(loop = 0; loop < DEPTH; ++loop) {
- if (loop > 0) {
- d[loop] = fmt->parse(s[loop-1], status);
- failure(status, "fmt->parse");
- }
-
- s[loop] = fmt->format(d[loop], s[loop]);
-
- if(loop > 0) {
- if(smatch == 0) {
- bool_t match = s[loop] == s[loop-1];
- if(smatch == 0) {
- if(match)
- smatch = loop;
- }
- else if( ! match)
- errln("FAIL: String mismatch after match");
- }
-
- if(dmatch == 0) {
- // {sfb} watch out here, this might not work
- bool_t match = d[loop]/*.getTime()*/ == d[loop-1]/*.getTime()*/;
- if(dmatch == 0) {
- if(match)
- dmatch = loop;
- }
- else if( ! match)
- errln("FAIL: Date mismatch after match");
- }
-
- if(smatch != 0 && dmatch != 0)
- break;
- }
- }
- // At this point loop == DEPTH if we've failed, otherwise loop is the
- // max(smatch, dmatch), that is, the index at which we have string and
- // date matching.
-
- // Date usually matches in 2. Exceptions handled below.
- int maxDmatch = 2;
- int maxSmatch = 1;
- if (dmatch > maxDmatch) {
- // Time-only pattern with zone information and a starting date in PST.
- if(timeOnly && hasZone && fmt->getTimeZone().inDaylightTime(d[0], status) && ! failure(status, "TimeZone::inDST()")) {
- maxDmatch = 3;
- maxSmatch = 2;
- }
- }
-
- // String usually matches in 1. Exceptions are checked for here.
- if(smatch > maxSmatch) { // Don't compute unless necessary
- // Starts in BC, with no era in pattern
- if( ! hasEra && getField(d[0], Calendar::ERA) == GregorianCalendar::BC)
- maxSmatch = 2;
- // Starts in DST, no year in pattern
- else if(fmt->getTimeZone().inDaylightTime(d[0], status) && ! failure(status, "foo") &&
- pat.indexOf(UnicodeString("yyyy")) == -1)
- maxSmatch = 2;
- // Two digit year with zone and year change and zone in pattern
- else if (hasZone &&
- fmt->getTimeZone().inDaylightTime(d[0], status) !=
- fmt->getTimeZone().inDaylightTime(d[dmatch], status) && ! failure(status, "foo") &&
- getField(d[0], Calendar::YEAR) !=
- getField(d[dmatch], Calendar::YEAR) &&
- pat.indexOf(UnicodeString("y")) != -1 &&
- pat.indexOf(UnicodeString("yyyy")) == -1)
- maxSmatch = 2;
- }
-
- if(dmatch > maxDmatch || smatch > maxSmatch) {
- errln(UnicodeString("Pattern: ") + pat);
- logln(UnicodeString(" Date ") + dmatch + " String " + smatch);
-
- for(int j = 0; j <= loop && j < DEPTH; ++j) {
- UnicodeString temp;
- FieldPosition pos(FieldPosition::DONT_CARE);
- logln((j>0?" P> ":" ") + dateFormat->format(d[j], temp, pos) + " F> " +
- escape(s[j], temp) +
- (j > 0 && d[j]/*.getTime()*/==d[j-1]/*.getTime()*/?" d==":"") +
- (j > 0 && s[j] == s[j-1]?" s==":""));
- }
- }
- }
- /*}
- catch (ParseException e) {
- errln("Exception: " + e.getMessage());
- logln(e.toString());
- }*/
- }
-
- /**
- * Return a field of the given date
- */
- int32_t DateFormatRoundTripTest::getField(UDate d, int32_t f) {
- // Should be synchronized, but we're single threaded so it's ok
- UErrorCode status = U_ZERO_ERROR;
- getFieldCal->setTime(d, status);
- failure(status, "getfieldCal->setTime");
- int32_t ret = getFieldCal->get((Calendar::EDateFields)f, status);
- failure(status, "getfieldCal->get");
- return ret;
- }
-
- UnicodeString& DateFormatRoundTripTest::escape(const UnicodeString& src, UnicodeString& dst )
- {
- dst.remove();
- for (int32_t i = 0; i < src.size(); ++i) {
- UChar c = src[i];
- if(c < 0x0080)
- dst += c;
- else {
- dst += UnicodeString("[");
- char buf [8];
- sprintf(buf, "%#x", c);
- dst += UnicodeString(buf);
- dst += UnicodeString("]");
- }
- }
-
- return dst;
- }
-
- UDate DateFormatRoundTripTest::generateDate()
- {
- double a = randFraction();
-
- // Now 'a' ranges from 0..1; scale it to range from 0 to 8000 years
- a *= 8000;
-
- // Range from (4000-1970) BC to (8000-1970) AD
- a -= 4000;
-
- // Now scale up to ms
- a *= 365.25 * 24 * 60 * 60 * 1000;
-
- //return new Date((long)a);
- return a;
- }
-
- //eof
-