]> git.saurik.com Git - apple/icu.git/blobdiff - icuSources/test/intltest/tzfmttst.cpp
ICU-400.37.tar.gz
[apple/icu.git] / icuSources / test / intltest / tzfmttst.cpp
diff --git a/icuSources/test/intltest/tzfmttst.cpp b/icuSources/test/intltest/tzfmttst.cpp
new file mode 100644 (file)
index 0000000..c78aa24
--- /dev/null
@@ -0,0 +1,468 @@
+/*
+*******************************************************************************
+* Copyright (C) 2007-2008, 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"
+
+#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 >= 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 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;
+                        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)) {
+                                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;
+                            }
+                        }
+                    }
+                    delete outcal;
+                }
+                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};
+
+    // 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 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;
+                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 = 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 */