]> git.saurik.com Git - apple/icu.git/blobdiff - icuSources/test/intltest/tzfmttst.cpp
ICU-511.32.tar.gz
[apple/icu.git] / icuSources / test / intltest / tzfmttst.cpp
index c78aa241b588a0e886bde6116c57badbb1c1733a..2662d9628486940a2b2885359cbb397699a89ae3 100644 (file)
@@ -1,6 +1,6 @@
 /*
 *******************************************************************************
-* Copyright (C) 2007-2008, International Business Machines Corporation and    *
+* Copyright (C) 2007-2013, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */
@@ -10,6 +10,7 @@
 
 #include "tzfmttst.h"
 
+#include "simplethread.h"
 #include "unicode/timezone.h"
 #include "unicode/simpletz.h"
 #include "unicode/calendar.h"
 #include "unicode/smpdtfmt.h"
 #include "unicode/uchar.h"
 #include "unicode/basictz.h"
+#include "unicode/tzfmt.h"
+#include "unicode/localpointer.h"
 #include "cstring.h"
+#include "zonemeta.h"
+
+static const char* PATTERNS[] = {
+    "z",
+    "zzzz",
+    "Z",    // equivalent to "xxxx"
+    "ZZZZ", // equivalent to "OOOO"
+    "v",
+    "vvvv",
+    "O",
+    "OOOO",
+    "X",
+    "XX",
+    "XXX",
+    "XXXX",
+    "XXXXX",
+    "x",
+    "xx",
+    "xxx",
+    "xxxx",
+    "xxxxx",
+    "V",
+    "VV",
+    "VVV",
+    "VVVV"
+};
+static const int NUM_PATTERNS = sizeof(PATTERNS)/sizeof(const char*);
 
-#define DEBUG_ALL 0
+static const UChar ETC_UNKNOWN[] = {0x45, 0x74, 0x63, 0x2F, 0x55, 0x6E, 0x6B, 0x6E, 0x6F, 0x77, 0x6E, 0};
 
-static const char* PATTERNS[] = {"z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV"};
-static const int NUM_PATTERNS = sizeof(PATTERNS)/sizeof(const char*);
+static const UChar ETC_SLASH[] = { 0x45, 0x74, 0x63, 0x2F, 0 }; // "Etc/"
+static const UChar SYSTEMV_SLASH[] = { 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x56, 0x2F, 0 }; // "SystemV/
+static const UChar RIYADH8[] = { 0x52, 0x69, 0x79, 0x61, 0x64, 0x68, 0x38, 0 }; // "Riyadh8"
+
+static UBool contains(const char** list, const char* str) {
+    for (int32_t i = 0; list[i]; i++) {
+        if (uprv_strcmp(list[i], str) == 0) {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
 
 void
 TimeZoneFormatTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
@@ -33,6 +73,8 @@ TimeZoneFormatTest::runIndexedTest( int32_t index, UBool exec, const char* &name
     switch (index) {
         TESTCASE(0, TestTimeZoneRoundTrip);
         TESTCASE(1, TestTimeRoundTrip);
+        TESTCASE(2, TestParse);
+        TESTCASE(3, TestISOFormat);
         default: name = ""; break;
     }
 }
@@ -41,7 +83,7 @@ void
 TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
     UErrorCode status = U_ZERO_ERROR;
 
-    SimpleTimeZone unknownZone(-31415, (UnicodeString)"Etc/Unknown");
+    SimpleTimeZone unknownZone(-31415, ETC_UNKNOWN);
     int32_t badDstOffset = -1234;
     int32_t badZoneOffset = -2345;
 
@@ -56,7 +98,7 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
 
     Calendar *cal = Calendar::createInstance(TimeZone::createTimeZone((UnicodeString)"UTC"), status);
     if (U_FAILURE(status)) {
-        errln("Calendar::createInstance failed");
+        dataerrln("Calendar::createInstance failed: %s", u_errorName(status));
         return;
     }
 
@@ -85,11 +127,7 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
     }
 
     // Set up test locales
-    const Locale locales1[] = {
-        Locale("en_US")
-    };
-    const Locale locales2[] = {
-        Locale("en_US"),
+    const Locale testLocales[] = {
         Locale("en"),
         Locale("en_CA"),
         Locale("fr"),
@@ -98,36 +136,35 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
 
     const Locale *LOCALES;
     int32_t nLocales;
-    if (DEBUG_ALL) {
-        LOCALES = Locale::getAvailableLocales(nLocales);
-    } else if (quick) {
-        LOCALES = locales1;
-        nLocales = sizeof(locales1)/sizeof(Locale);
+
+    if (quick) {
+        LOCALES = testLocales;
+        nLocales = sizeof(testLocales)/sizeof(Locale);
     } else {
-        LOCALES = locales2;
-        nLocales = sizeof(locales2)/sizeof(Locale);
+        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++) {
+        UnicodeString localGMTString;
+        SimpleDateFormat gmtFmt(UnicodeString("ZZZZ"), LOCALES[locidx], status);
+        if (U_FAILURE(status)) {
+            dataerrln("Error creating SimpleDateFormat - %s", u_errorName(status));
+            continue;
+        }
+        gmtFmt.setTimeZone(*TimeZone::getGMT());
+        gmtFmt.format(0.0, localGMTString);
 
-            //DEBUG static const char* PATTERNS[] = {"z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV"};
-            //if (patidx != 1) continue;
+        for (int32_t patidx = 0; patidx < NUM_PATTERNS; patidx++) {
 
             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());
+                dataerrln((UnicodeString)"new SimpleDateFormat failed for pattern " +
+                    PATTERNS[patidx] + " for locale " + LOCALES[locidx].getName() + " - " + u_errorName(status));
                 status = U_ZERO_ERROR;
                 continue;
             }
@@ -178,35 +215,41 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
                         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);
+                    if (uprv_strcmp(PATTERNS[patidx], "V") == 0) {
+                        // Short zone ID - should support roundtrip for canonical CLDR IDs
+                        UnicodeString canonicalID;
+                        TimeZone::getCanonicalID(*tzid, canonicalID, status);
+                        if (U_FAILURE(status)) {
+                            // Uknown ID - we should not get here
+                            errln((UnicodeString)"Unknown ID " + *tzid);
+                            status = U_ZERO_ERROR;
+                        } else if (outtzid != canonicalID) {
+                            if (outtzid.compare(ETC_UNKNOWN, -1) == 0) {
+                                // Note that some zones like Asia/Riyadh87 does not have
+                                // short zone ID and "unk" is used as fallback
+                                logln((UnicodeString)"Canonical round trip failed (probably as expected); tz=" + *tzid
+                                        + ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+                                        + ", time=" + DATES[datidx] + ", str=" + tzstr
+                                        + ", outtz=" + outtzid);
+                            } else {
+                                errln((UnicodeString)"Canonical round trip failed; tz=" + *tzid
+                                    + ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+                                    + ", time=" + DATES[datidx] + ", str=" + tzstr
+                                    + ", outtz=" + outtzid);
+                            }
                         }
-                    } 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
+                    } else if (uprv_strcmp(PATTERNS[patidx], "VV") == 0) {
+                        // Zone ID - full roundtrip support
+                        if (outtzid != *tzid) {
+                            errln((UnicodeString)"Zone ID round trip failued; tz="  + *tzid
                                 + ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
                                 + ", time=" + DATES[datidx] + ", str=" + tzstr
-                                + ", inRawOffset=" + inRaw + ", outRawOffset=" + outRaw);
+                                + ", outtz=" + outtzid);
                         }
-                    } else { // "VVVV"
-                        // Location: time zone rule must be preserved.
+                    } else if (uprv_strcmp(PATTERNS[patidx], "VVV") == 0 || 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)) {
@@ -216,14 +259,66 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
                         } 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
+                                if (canonical.indexOf((UChar)0x27 /*'/'*/) == -1) {
+                                    // Exceptional cases, such as CET, EET, MET and WET
+                                    logln((UnicodeString)"Canonical round trip failed (as expected); tz=" + *tzid
+                                            + ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
+                                            + ", time=" + DATES[datidx] + ", str=" + tzstr
+                                            + ", outtz=" + outtzid);
+                                } else {
+                                    errln((UnicodeString)"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 {
+                        UBool isOffsetFormat = (*PATTERNS[patidx] == 'Z'
+                                                || *PATTERNS[patidx] == 'O'
+                                                || *PATTERNS[patidx] == 'X'
+                                                || *PATTERNS[patidx] == 'x');
+                        UBool minutesOffset = FALSE;
+                        if (*PATTERNS[patidx] == 'X' || *PATTERNS[patidx] == 'x') {
+                            minutesOffset = (uprv_strlen(PATTERNS[patidx]) <= 3);
+                        }
+
+                        if (!isOffsetFormat) {
+                            // Check if localized GMT format is used as a fallback of name styles
+                            int32_t numDigits = 0;
+                            for (int n = 0; n < tzstr.length(); n++) {
+                                if (u_isdigit(tzstr.charAt(n))) {
+                                    numDigits++;
+                                }
+                            }
+                            isOffsetFormat = (numDigits > 0);
+                        }
+                        if (isOffsetFormat || tzstr == localGMTString) {
+                            // Localized GMT or ISO: total offset (raw + dst) must be preserved.
+                            int32_t inOffset = inRaw + inDst;
+                            int32_t outOffset = outRaw + outDst;
+                            int32_t diff = outOffset - inOffset;
+                            if (minutesOffset) {
+                                diff = (diff / 60000) * 60000;
+                            }
+                            if (diff != 0) {
+                                errln((UnicodeString)"Offset round trip failed; tz=" + *tzid
                                     + ", locale=" + LOCALES[locidx].getName() + ", pattern=" + PATTERNS[patidx]
                                     + ", time=" + DATES[datidx] + ", str=" + tzstr
-                                    + ", outtz=" + outtzid);
+                                    + ", inOffset=" + inOffset + ", outOffset=" + outOffset);
                             }
-                            if (U_FAILURE(status)) {
-                                errln("hasEquivalentTransitions failed");
-                                status = U_ZERO_ERROR;
+                        } 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);
                             }
                         }
                     }
@@ -238,71 +333,288 @@ TimeZoneFormatTest::TestTimeZoneRoundTrip(void) {
     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;
+
+        // These patterns are ambiguous at DST->STD local time overlap
+        const char* AMBIGUOUS_DST_DECESSION[] = { "v", "vvvv", "V", "VV", "VVV", "VVVV", 0 };
+
+        // These patterns are ambiguous at STD->STD/DST->DST local time overlap
+        const char* AMBIGUOUS_NEGATIVE_SHIFT[] = { "z", "zzzz", "v", "vvvv", "V", "VV", "VVV", "VVVV", 0 };
+
+        // These patterns only support integer minutes offset
+        const char* MINUTES_OFFSET[] = { "X", "XX", "XXX", "x", "xx", "xxx", 0 };
+
+        // 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::createTimeZoneIDEnumeration(UCAL_ZONE_TYPE_CANONICAL, NULL, NULL, status);
+        if (U_FAILURE(status)) {
+            if (status == U_MISSING_RESOURCE_ERROR) {
+                /* This error is generally caused by data not being present. However, an infinite loop will occur
+                 * because the thread thinks that the test data is never done so we should treat the data as done.
+                 */
+                log.dataerrln("TimeZone::createTimeZoneIDEnumeration failed - %s", u_errorName(status));
+                data.numDone = data.nLocales;
+            } else {
+                log.errln("TimeZone::createTimeZoneIDEnumeration failed: %s", u_errorName(status));
+            }
+            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;
+                }
+
+                UBool minutesOffset = contains(MINUTES_OFFSET, PATTERNS[patidx]);
+
+                tzids->reset(status);
+                const UnicodeString *tzid;
+
+                timer = Calendar::getNow();
+
+                while ((tzid = tzids->snext(status))) {
+                    if (uprv_strcmp(PATTERNS[patidx], "V") == 0) {
+                        // Some zones do not have short ID assigned, such as Asia/Riyadh87.
+                        // The time roundtrip will fail for such zones with pattern "V" (short zone ID).
+                        // This is expected behavior.
+                        const UChar* shortZoneID = ZoneMeta::getShortID(*tzid);
+                        if (shortZoneID == NULL) {
+                            continue;
+                        }
+                    } else if (uprv_strcmp(PATTERNS[patidx], "VVV") == 0) {
+                        // Some zones are not associated with any region, such as Etc/GMT+8.
+                        // The time roundtrip will fail for such zone with pattern "VVV" (exemplar location).
+                        // This is expected behavior.
+                        if (tzid->indexOf((UChar)0x2F) < 0 || tzid->indexOf(ETC_SLASH, -1, 0) >= 0
+                            || tzid->indexOf(SYSTEMV_SLASH, -1, 0) >= 0 || tzid->indexOf(RIYADH8, -1, 0) >= 0) {
+                            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 ?
+                                    !contains(AMBIGUOUS_DST_DECESSION, PATTERNS[patidx]) :
+                                    !contains(AMBIGUOUS_NEGATIVE_SHIFT, PATTERNS[patidx]);
+                                testTimes[2] = t - 1;
+                                expectedRoundTrip[2] = isDstDecession ?
+                                    !contains(AMBIGUOUS_DST_DECESSION, PATTERNS[patidx]) :
+                                    !contains(AMBIGUOUS_NEGATIVE_SHIFT, PATTERNS[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;
+                            }
+
+                            int32_t timeDiff = (int32_t)(parsedDate - testTimes[testidx]);
+                            UBool bTimeMatch = minutesOffset ?
+                                (timeDiff/60000)*60000 == 0 : timeDiff == 0;
+                            if (!bTimeMatch) {
+                                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]);
+                                // Timebomb for TZData update
+                                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) {
-    UErrorCode status = U_ZERO_ERROR;
+    int32_t nThreads = threadCount;
+    const Locale *LOCALES;
+    int32_t nLocales;
+    int32_t testCounts = 0;
 
-    Calendar *cal = Calendar::createInstance(TimeZone::createTimeZone((UnicodeString)"UTC"), status);
+    UErrorCode status = U_ZERO_ERROR;
+    Calendar *cal = Calendar::createInstance(TimeZone::createTimeZone((UnicodeString) "UTC"), status);
     if (U_FAILURE(status)) {
-        errln("Calendar::createInstance failed");
+        dataerrln("Calendar::createInstance failed: %s", u_errorName(status));
         return;
     }
 
-    UDate START_TIME, END_TIME;
+    const char* testAllProp = getProperty("TimeZoneRoundTripAll");
+    UBool bTestAll = (testAllProp && uprv_strcmp(testAllProp, "true") == 0);
 
-    if (DEBUG_ALL) {
+    UDate START_TIME, END_TIME;
+    if (bTestAll || !quick) {
         cal->set(1900, UCAL_JANUARY, 1);
     } else {
-        cal->set(1965, UCAL_JANUARY, 1);
+        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;
     }
 
-    // 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 locales1[] = {Locale("en")};
     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")
+        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")
     };
 
-    const Locale *LOCALES;
-    int32_t nLocales;
-    if (DEBUG_ALL) {
+    if (bTestAll) {
         LOCALES = Locale::getAvailableLocales(nLocales);
     } else if (quick) {
         LOCALES = locales1;
@@ -312,157 +624,296 @@ TimeZoneFormatTest::TestTimeRoundTrip(void) {
         nLocales = sizeof(locales2)/sizeof(Locale);
     }
 
-    StringEnumeration *tzids = TimeZone::createEnumeration();
-    if (U_FAILURE(status)) {
-        errln("tzids->count failed");
-        return;
+    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);
+        }
     }
 
-    int32_t testCounts = 0;
-    UDate testTimes[4];
-    UBool expectedRoundTrip[4];
-    int32_t testLen = 0;
+    UBool done = false;
+    while (true) {
+        umtx_lock(NULL);
+        if (data.numDone == nLocales) {
+            done = true;
+        }
+        umtx_unlock(NULL);
+        if (done)
+            break;
+        SimpleThread::sleep(1000);
+    }
 
-    for (int32_t locidx = 0; locidx < nLocales; locidx++) {
-        logln((UnicodeString)"Locale: " + LOCALES[locidx].getName());
+    for (i = 0; i < nThreads; i++) {
+        delete threads[i];
+    }
+    delete [] threads;
 
-        for (int32_t patidx = 0; patidx < NUM_PATTERNS; patidx++) {
-            logln((UnicodeString)"    pattern: " + PATTERNS[patidx]);
+#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);
 
-            //DEBUG static const char* PATTERNS[] = {"z", "zzzz", "Z", "ZZZZ", "v", "vvvv", "V", "VVVV"};
-            //if (patidx != 1) continue;
+    delete cal;
+}
 
-            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;
+typedef struct {
+    const char*     text;
+    int32_t         inPos;
+    const char*     locale;
+    UTimeZoneFormatStyle    style;
+    UBool           parseAll;
+    const char*     expected;
+    int32_t         outPos;
+    UTimeZoneFormatTimeType timeType;
+} ParseTestData;
+
+void
+TimeZoneFormatTest::TestParse(void) {
+    const ParseTestData DATA[] = {
+        //   text               inPos   locale      style                               parseAll    expected            outPos  timeType
+            {"Z",               0,      "en_US",    UTZFMT_STYLE_ISO_EXTENDED_FULL,     false,      "Etc/GMT",          1,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"Z",               0,      "en_US",    UTZFMT_STYLE_SPECIFIC_LONG,         false,      "Etc/GMT",          1,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"Zambia time",     0,      "en_US",    UTZFMT_STYLE_ISO_EXTENDED_FULL,     true,       "Etc/GMT",          1,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"Zambia time",     0,      "en_US",    UTZFMT_STYLE_GENERIC_LOCATION,      false,      "Africa/Lusaka",    11,     UTZFMT_TIME_TYPE_UNKNOWN},
+            {"Zambia time",     0,      "en_US",    UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,  true,       "Africa/Lusaka",    11,     UTZFMT_TIME_TYPE_UNKNOWN},
+            {"+00:00",          0,      "en_US",    UTZFMT_STYLE_ISO_EXTENDED_FULL,     false,      "Etc/GMT",          6,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"-01:30:45",       0,      "en_US",    UTZFMT_STYLE_ISO_EXTENDED_FULL,     false,      "GMT-01:30:45",     9,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"-7",              0,      "en_US",    UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,  false,      "GMT-07:00",        2,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"-2222",           0,      "en_US",    UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,  false,      "GMT-22:22",        5,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"-3333",           0,      "en_US",    UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,  false,      "GMT-03:33",        4,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"XXX+01:30YYY",    3,      "en_US",    UTZFMT_STYLE_LOCALIZED_GMT,         false,      "GMT+01:30",        9,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"GMT0",            0,      "en_US",    UTZFMT_STYLE_SPECIFIC_SHORT,        false,      "Etc/GMT",          3,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"EST",             0,      "en_US",    UTZFMT_STYLE_SPECIFIC_SHORT,        false,      "America/New_York", 3,      UTZFMT_TIME_TYPE_STANDARD},
+            {"ESTx",            0,      "en_US",    UTZFMT_STYLE_SPECIFIC_SHORT,        false,      "America/New_York", 3,      UTZFMT_TIME_TYPE_STANDARD},
+            {"EDTx",            0,      "en_US",    UTZFMT_STYLE_SPECIFIC_SHORT,        false,      "America/New_York", 3,      UTZFMT_TIME_TYPE_DAYLIGHT},
+            {"EST",             0,      "en_US",    UTZFMT_STYLE_SPECIFIC_LONG,         false,      NULL,               0,      UTZFMT_TIME_TYPE_UNKNOWN},
+            {"EST",             0,      "en_US",    UTZFMT_STYLE_SPECIFIC_LONG,         true,       "America/New_York", 3,      UTZFMT_TIME_TYPE_STANDARD},
+            {"EST",             0,      "en_CA",    UTZFMT_STYLE_SPECIFIC_SHORT,        false,      "America/Toronto",  3,      UTZFMT_TIME_TYPE_STANDARD},
+            {NULL,              0,      NULL,       UTZFMT_STYLE_GENERIC_LOCATION,      false,      NULL,               0,      UTZFMT_TIME_TYPE_UNKNOWN}
+    };
+
+    for (int32_t i = 0; DATA[i].text; i++) {
+        UErrorCode status = U_ZERO_ERROR;
+        LocalPointer<TimeZoneFormat> tzfmt(TimeZoneFormat::createInstance(Locale(DATA[i].locale), status));
+        if (U_FAILURE(status)) {
+            dataerrln("Fail TimeZoneFormat::createInstance: %s", u_errorName(status));
+            continue;
+        }
+        UTimeZoneFormatTimeType ttype = UTZFMT_TIME_TYPE_UNKNOWN;
+        ParsePosition pos(DATA[i].inPos);
+        int32_t parseOptions = DATA[i].parseAll ? UTZFMT_PARSE_OPTION_ALL_STYLES : UTZFMT_PARSE_OPTION_NONE;
+        TimeZone* tz = tzfmt->parse(DATA[i].style, DATA[i].text, pos, parseOptions, &ttype);
+
+        UnicodeString errMsg;
+        if (tz) {
+            UnicodeString outID;
+            tz->getID(outID);
+            if (outID != UnicodeString(DATA[i].expected)) {
+                errMsg = (UnicodeString)"Time zone ID: " + outID + " - expected: " + DATA[i].expected;
+            } else if (pos.getIndex() != DATA[i].outPos) {
+                errMsg = (UnicodeString)"Parsed pos: " + pos.getIndex() + " - expected: " + DATA[i].outPos;
+            } else if (ttype != DATA[i].timeType) {
+                errMsg = (UnicodeString)"Time type: " + ttype + " - expected: " + DATA[i].timeType;
+            }
+            delete tz;
+        } else {
+            if (DATA[i].expected) {
+                errln((UnicodeString)"Fail: Parse failure - expected: " + DATA[i].expected);
             }
+        }
+        if (errMsg.length() > 0) {
+            errln((UnicodeString)"Fail: " + errMsg + " [text=" + DATA[i].text + ", pos=" + DATA[i].inPos + ", style=" + DATA[i].style + "]");
+        }
+    }
+}
 
-            tzids->reset(status);
-            const UnicodeString *tzid;
+void
+TimeZoneFormatTest::TestISOFormat(void) {
+    const int32_t OFFSET[] = {
+        0,          // 0
+        999,        // 0.999s
+        -59999,     // -59.999s
+        60000,      // 1m
+        -77777,     // -1m 17.777s
+        1800000,    // 30m
+        -3600000,   // -1h
+        36000000,   // 10h
+        -37800000,  // -10h 30m
+        -37845000,  // -10h 30m 45s
+        108000000,  // 30h
+    };
 
-            timer = Calendar::getNow();
+    const char* ISO_STR[][11] = {
+        // 0
+        {
+            "Z", "Z", "Z", "Z", "Z",
+            "+00", "+0000", "+00:00", "+0000", "+00:00",
+            "+0000"
+        },
+        // 999
+        {
+            "Z", "Z", "Z", "Z", "Z",
+            "+00", "+0000", "+00:00", "+0000", "+00:00",
+            "+0000"
+        },
+        // -59999
+        {
+            "Z", "Z", "Z", "-000059", "-00:00:59",
+            "+00", "+0000", "+00:00", "-000059", "-00:00:59",
+            "-000059"
+        },
+        // 60000
+        {
+            "+0001", "+0001", "+00:01", "+0001", "+00:01",
+            "+0001", "+0001", "+00:01", "+0001", "+00:01",
+            "+0001"
+        },
+        // -77777
+        {
+            "-0001", "-0001", "-00:01", "-000117", "-00:01:17",
+            "-0001", "-0001", "-00:01", "-000117", "-00:01:17",
+            "-000117"
+        },
+        // 1800000
+        {
+            "+0030", "+0030", "+00:30", "+0030", "+00:30",
+            "+0030", "+0030", "+00:30", "+0030", "+00:30",
+            "+0030"
+        },
+        // -3600000
+        {
+            "-01", "-0100", "-01:00", "-0100", "-01:00",
+            "-01", "-0100", "-01:00", "-0100", "-01:00",
+            "-0100"
+        },
+        // 36000000
+        {
+            "+10", "+1000", "+10:00", "+1000", "+10:00",
+            "+10", "+1000", "+10:00", "+1000", "+10:00",
+            "+1000"
+        },
+        // -37800000
+        {
+            "-1030", "-1030", "-10:30", "-1030", "-10:30",
+            "-1030", "-1030", "-10:30", "-1030", "-10:30",
+            "-1030"
+        },
+        // -37845000
+        {
+            "-1030", "-1030", "-10:30", "-103045", "-10:30:45",
+            "-1030", "-1030", "-10:30", "-103045", "-10:30:45",
+            "-103045"
+        },
+        // 108000000
+        {
+            0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0,
+            0
+        }
+    };
 
-            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++;
+    const char* PATTERN[] = {
+        "X", "XX", "XXX", "XXXX", "XXXXX",
+        "x", "xx", "xxx", "xxxx", "xxxxx",
+        "Z", // equivalent to "xxxx"
+        0
+    };
 
-                        UnicodeString text;
-                        FieldPosition fpos(0);
-                        sdf->format(testTimes[testidx], text, fpos);
+    const int32_t MIN_OFFSET_UNIT[] = {
+        60000, 60000, 60000, 1000, 1000,
+        60000, 60000, 60000, 1000, 1000,
+        1000,
+    };
 
-                        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();
-                    }
+    // Formatting
+    UErrorCode status = U_ZERO_ERROR;
+    LocalPointer<SimpleDateFormat> sdf(new SimpleDateFormat(status));
+    if (U_FAILURE(status)) {
+        dataerrln("Fail new SimpleDateFormat: %s", u_errorName(status));
+        return;
+    }
+    UDate d = Calendar::getNow();
+
+    for (uint32_t i = 0; i < sizeof(OFFSET)/sizeof(OFFSET[0]); i++) {
+        SimpleTimeZone* tz = new SimpleTimeZone(OFFSET[i], UnicodeString("Zone Offset:") + OFFSET[i] + "ms");
+        sdf->adoptTimeZone(tz);
+        for (int32_t j = 0; PATTERN[j] != 0; j++) {
+            sdf->applyPattern(UnicodeString(PATTERN[j]));
+            UnicodeString result;
+            sdf->format(d, result);
+
+            if (ISO_STR[i][j]) {
+                if (result != UnicodeString(ISO_STR[i][j])) {
+                    errln((UnicodeString)"FAIL: pattern=" + PATTERN[j] + ", offset=" + OFFSET[i] + " -> "
+                        + result + " (expected: " + ISO_STR[i][j] + ")");
+                }
+            } else {
+                // Offset out of range
+                // Note: for now, there is no way to propagate the error status through
+                // the SimpleDateFormat::format above.
+                if (result.length() > 0) {
+                    errln((UnicodeString)"FAIL: Non-Empty result for pattern=" + PATTERN[j] + ", offset=" + OFFSET[i]
+                        + " (expected: empty result)");
                 }
-                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];
+
+    // Parsing
+    LocalPointer<Calendar> outcal(Calendar::createInstance(status));
+    if (U_FAILURE(status)) {
+        dataerrln("Fail new Calendar: %s", u_errorName(status));
+        return;
     }
-    logln((UnicodeString)"Total: " + total + "ms");
-    logln((UnicodeString)"Iteration: " + testCounts);
+    for (int32_t i = 0; ISO_STR[i][0] != NULL; i++) {
+        for (int32_t j = 0; PATTERN[j] != 0; j++) {
+            if (ISO_STR[i][j] == 0) {
+                continue;
+            }
+            ParsePosition pos(0);
+            SimpleTimeZone* bogusTZ = new SimpleTimeZone(-1, UnicodeString("Zone Offset: -1ms"));
+            outcal->adoptTimeZone(bogusTZ);
+            sdf->applyPattern(PATTERN[j]);
 
-    delete cal;
-    delete tzids;
+            sdf->parse(UnicodeString(ISO_STR[i][j]), *(outcal.getAlias()), pos);
+
+            if (pos.getIndex() != (int32_t)uprv_strlen(ISO_STR[i][j])) {
+                errln((UnicodeString)"FAIL: Failed to parse the entire input string: " + ISO_STR[i][j]);
+            }
+
+            const TimeZone& outtz = outcal->getTimeZone();
+            int32_t outOffset = outtz.getRawOffset();
+            int32_t adjustedOffset = OFFSET[i] / MIN_OFFSET_UNIT[j] * MIN_OFFSET_UNIT[j];
+            if (outOffset != adjustedOffset) {
+                errln((UnicodeString)"FAIL: Incorrect offset:" + outOffset + "ms for input string: " + ISO_STR[i][j]
+                    + " (expected:" + adjustedOffset + "ms)");
+            }
+        }
+    }
 }
 
+
 #endif /* #if !UCONFIG_NO_FORMATTING */