Check in the pristine copy of ICU 4.6...

icu46/source/test/intltest/tzfmttst.cpp

+/*
+*******************************************************************************
+* Copyright (C) 2007-2010, International Business Machines Corporation and    *
+* others. All Rights Reserved.                                                *
+*******************************************************************************
+*/
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "tzfmttst.h"
+
+#include "simplethread.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"
+
+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)) {
+        dataerrln("Calendar::createInstance failed: %s", u_errorName(status));
+        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 testLocales[] = {
+        Locale("en"),
+        Locale("en_CA"),
+        Locale("fr"),
+        Locale("zh_Hant")
+    };
+
+    const Locale *LOCALES;
+    int32_t nLocales;
+
+    if (quick) {
+        LOCALES = testLocales;
+        nLocales = sizeof(testLocales)/sizeof(Locale);
+    } else {
+        LOCALES = Locale::getAvailableLocales(nLocales);
+    }
+
+    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++) {
+
+            SimpleDateFormat *sdf = new SimpleDateFormat((UnicodeString)PATTERNS[patidx], LOCALES[locidx], status);
+            if (U_FAILURE(status)) {
+                errcheckln(status, (UnicodeString)"new SimpleDateFormat failed for pattern " +
+                    PATTERNS[patidx] + " for locale " + LOCALES[locidx].getName() + " - " + u_errorName(status));
+                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;
+                    }
+
+                    if (uprv_strcmp(PATTERNS[patidx], "VVVV") == 0) {
+                        // Location: time zone rule must be preserved except
+                        // zones not actually associated with a specific location.
+                        // Time zones in this category do not have "/" in its ID.
+                        UnicodeString canonical;
+                        TimeZone::getCanonicalID(*tzid, canonical, status);
+                        if (U_FAILURE(status)) {
+                            // Uknown ID - we should not get here
+                            errln((UnicodeString)"Unknown ID " + *tzid);
+                            status = U_ZERO_ERROR;
+                        } else if (outtzid != canonical) {
+                            // Canonical ID did not match - check the rules
+                            if (!((BasicTimeZone*)&outtz)->hasEquivalentTransitions((BasicTimeZone&)*tz, low, high, TRUE, status)) {
+                                if (canonical.indexOf((UChar)0x27 /*'/'*/) == -1) {
+                                    // Exceptional cases, such as CET, EET, MET and WET
+                                    logln("Canonical round trip failed (as expected); tz=" + *tzid
+                                            + ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+                                            + ", time=" + DATES[datidx] + ", str=" + tzstr
+                                            + ", outtz=" + outtzid);
+                                } else {
+                                    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;
+                                }
+                            }
+                        }
+
+                    } else {
+                        // 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 >= 3) {
+                            // 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 {
+                            // 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);
+                            }
+                        }
+                    }
+                    delete outcal;
+                }
+                delete tz;
+            }
+            delete sdf;
+        }
+    }
+    delete cal;
+    delete tzids;
+}
+
+struct LocaleData {
+    int32_t index;
+    int32_t testCounts;
+    UDate *times;
+    const Locale* locales; // Static
+    int32_t nLocales; // Static
+    UBool quick; // Static
+    UDate START_TIME; // Static
+    UDate END_TIME; // Static
+    int32_t numDone;
+};
+
+class TestTimeRoundTripThread: public SimpleThread {
+public:
+    TestTimeRoundTripThread(IntlTest& tlog, LocaleData &ld, int32_t i)
+        : log(tlog), data(ld), index(i) {}
+    virtual void run() {
+        UErrorCode status = U_ZERO_ERROR;
+        UBool REALLY_VERBOSE = FALSE;
+
+        // 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 };
+
+        // Workaround for #6338
+        //UnicodeString BASEPATTERN("yyyy-MM-dd'T'HH:mm:ss.SSS");
+        UnicodeString BASEPATTERN("yyyy.MM.dd HH:mm:ss.SSS");
+
+        // timer for performance analysis
+        UDate timer;
+        UDate testTimes[4];
+        UBool expectedRoundTrip[4];
+        int32_t testLen = 0;
+
+        StringEnumeration *tzids = TimeZone::createEnumeration();
+        if (U_FAILURE(status)) {
+            log.errln("tzids->count failed");
+            return;
+        }
+
+        int32_t locidx = -1;
+        UDate times[NUM_PATTERNS];
+        for (int32_t i = 0; i < NUM_PATTERNS; i++) {
+            times[i] = 0;
+        }
+
+        int32_t testCounts = 0;
+
+        while (true) {
+            umtx_lock(NULL); // Lock to increment the index
+            for (int32_t i = 0; i < NUM_PATTERNS; i++) {
+                data.times[i] += times[i];
+                data.testCounts += testCounts;
+            }
+            if (data.index < data.nLocales) {
+                locidx = data.index;
+                data.index++;
+            } else {
+                locidx = -1;
+            }
+            umtx_unlock(NULL); // Unlock for other threads to use
+
+            if (locidx == -1) {
+                log.logln((UnicodeString) "Thread " + index + " is done.");
+                break;
+            }
+
+            log.logln((UnicodeString) "\nThread " + index + ": Locale: " + UnicodeString(data.locales[locidx].getName()));
+
+            for (int32_t patidx = 0; patidx < NUM_PATTERNS; patidx++) {
+                log.logln((UnicodeString) "    Pattern: " + PATTERNS[patidx]);
+                times[patidx] = 0;
+
+                UnicodeString pattern(BASEPATTERN);
+                pattern.append(" ").append(PATTERNS[patidx]);
+
+                SimpleDateFormat *sdf = new SimpleDateFormat(pattern, data.locales[locidx], status);
+                if (U_FAILURE(status)) {
+                    log.errcheckln(status, (UnicodeString) "new SimpleDateFormat failed for pattern " + 
+                        pattern + " for locale " + data.locales[locidx].getName() + " - " + u_errorName(status));
+                    status = U_ZERO_ERROR;
+                    continue;
+                }
+
+                tzids->reset(status);
+                const UnicodeString *tzid;
+
+                timer = Calendar::getNow();
+
+                while ((tzid = tzids->snext(status))) {
+                    UnicodeString canonical;
+                    TimeZone::getCanonicalID(*tzid, canonical, status);
+                    if (U_FAILURE(status)) {
+                        // Unknown ID - we should not get here
+                        status = U_ZERO_ERROR;
+                        continue;
+                    }
+                    if (*tzid != canonical) {
+                        // Skip aliases
+                        continue;
+                    }
+                    BasicTimeZone *tz = (BasicTimeZone*) TimeZone::createTimeZone(*tzid);
+                    sdf->setTimeZone(*tz);
+
+                    UDate t = data.START_TIME;
+                    TimeZoneTransition tzt;
+                    UBool tztAvail = FALSE;
+                    UBool middle = TRUE;
+
+                    while (t < data.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 (data.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)) {
+                                log.errln((UnicodeString) "Parse failure for text=" + text + ", tzid=" + *tzid + ", locale=" + data.locales[locidx].getName()
+                                        + ", pattern=" + PATTERNS[patidx] + ", time=" + testTimes[testidx]);
+                                status = U_ZERO_ERROR;
+                                continue;
+                            }
+                            if (parsedDate != testTimes[testidx]) {
+                                UnicodeString msg = (UnicodeString) "Time round trip failed for " + "tzid=" + *tzid + ", locale=" + data.locales[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+                                        + ", text=" + text + ", time=" + testTimes[testidx] + ", restime=" + parsedDate + ", diff=" + (parsedDate - testTimes[testidx]);
+                                if (expectedRoundTrip[testidx]) {
+                                    log.errln((UnicodeString) "FAIL: " + msg);
+                                } else if (REALLY_VERBOSE) {
+                                    log.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;
+            }
+            umtx_lock(NULL);
+            data.numDone++;
+            umtx_unlock(NULL);
+        }
+        delete tzids;
+    }
+private:
+    IntlTest& log;
+    LocaleData& data;
+    int32_t index;
+};
+
+void
+TimeZoneFormatTest::TestTimeRoundTrip(void) {
+    int32_t nThreads = threadCount;
+    const Locale *LOCALES;
+    int32_t nLocales;
+    int32_t testCounts = 0;
+
+    UErrorCode status = U_ZERO_ERROR;
+    Calendar *cal = Calendar::createInstance(TimeZone::createTimeZone((UnicodeString) "UTC"), status);
+    if (U_FAILURE(status)) {
+        dataerrln("Calendar::createInstance failed: %s", u_errorName(status));
+        return;
+    }
+
+    const char* testAllProp = getProperty("TimeZoneRoundTripAll");
+    UBool bTestAll = (testAllProp && uprv_strcmp(testAllProp, "true") == 0);
+
+    UDate START_TIME, END_TIME;
+    if (bTestAll || !quick) {
+        cal->set(1900, UCAL_JANUARY, 1);
+    } else {
+        cal->set(1990, 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;
+    }
+
+    UDate times[NUM_PATTERNS];
+    for (int32_t i = 0; i < NUM_PATTERNS; i++) {
+        times[i] = 0;
+    }
+
+    // Set up test locales
+    const Locale locales1[] = {Locale("en")};
+    const Locale locales2[] = {
+        Locale("ar_EG"), Locale("bg_BG"), Locale("ca_ES"), Locale("da_DK"), Locale("de"),
+        Locale("de_DE"), Locale("el_GR"), Locale("en"), Locale("en_AU"), Locale("en_CA"),
+        Locale("en_US"), Locale("es"), Locale("es_ES"), Locale("es_MX"), Locale("fi_FI"),
+        Locale("fr"), Locale("fr_CA"), Locale("fr_FR"), Locale("he_IL"), Locale("hu_HU"),
+        Locale("it"), Locale("it_IT"), Locale("ja"), Locale("ja_JP"), Locale("ko"),
+        Locale("ko_KR"), Locale("nb_NO"), Locale("nl_NL"), Locale("nn_NO"), Locale("pl_PL"),
+        Locale("pt"), Locale("pt_BR"), Locale("pt_PT"), Locale("ru_RU"), Locale("sv_SE"),
+        Locale("th_TH"), Locale("tr_TR"), Locale("zh"), Locale("zh_Hans"), Locale("zh_Hans_CN"),
+        Locale("zh_Hant"), Locale("zh_Hant_TW")
+    };
+
+    if (bTestAll) {
+        LOCALES = Locale::getAvailableLocales(nLocales);
+    } else if (quick) {
+        LOCALES = locales1;
+        nLocales = sizeof(locales1)/sizeof(Locale);
+    } else {
+        LOCALES = locales2;
+        nLocales = sizeof(locales2)/sizeof(Locale);
+    }
+
+    LocaleData data;
+    data.index = 0;
+    data.testCounts = testCounts;
+    data.times = times;
+    data.locales = LOCALES;
+    data.nLocales = nLocales;
+    data.quick = quick;
+    data.START_TIME = START_TIME;
+    data.END_TIME = END_TIME;
+    data.numDone = 0;
+
+#if (ICU_USE_THREADS==0)
+    TestTimeRoundTripThread fakeThread(*this, data, 0);
+    fakeThread.run();
+#else
+    TestTimeRoundTripThread **threads = new TestTimeRoundTripThread*[threadCount];
+    int32_t i;
+    for (i = 0; i < nThreads; i++) {
+        threads[i] = new TestTimeRoundTripThread(*this, data, i);
+        if (threads[i]->start() != 0) {
+            errln("Error starting thread %d", i);
+        }
+    }
+
+    UBool done = false;
+    while (true) {
+        umtx_lock(NULL);
+        if (data.numDone == nLocales) {
+            done = true;
+        }
+        umtx_unlock(NULL);
+        if (done)
+            break;
+        SimpleThread::sleep(1000);
+    }
+
+    for (i = 0; i < nThreads; i++) {
+        delete threads[i];
+    }
+    delete [] threads;
+
+#endif
+    UDate total = 0;
+    logln("### Elapsed time by patterns ###");
+    for (int32_t i = 0; i < NUM_PATTERNS; i++) {
+        logln(UnicodeString("") + data.times[i] + "ms (" + PATTERNS[i] + ")");
+        total += data.times[i];
+    }
+    logln((UnicodeString) "Total: " + total + "ms");
+    logln((UnicodeString) "Iteration: " + data.testCounts);
+
+    delete cal;
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */