Check in the pristine copy of ICU 4.6...

icu46/source/test/intltest/tzoffloc.cpp

+/*
+*******************************************************************************
+* Copyright (C) 2007-2010, International Business Machines Corporation and         *
+* others. All Rights Reserved.                                                *
+*******************************************************************************
+*/
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "tzoffloc.h"
+
+#include "unicode/ucal.h"
+#include "unicode/timezone.h"
+#include "unicode/calendar.h"
+#include "unicode/dtrule.h"
+#include "unicode/tzrule.h"
+#include "unicode/rbtz.h"
+#include "unicode/simpletz.h"
+#include "unicode/tzrule.h"
+#include "unicode/smpdtfmt.h"
+#include "unicode/gregocal.h"
+
+void
+TimeZoneOffsetLocalTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
+{
+    if (exec) {
+        logln("TestSuite TimeZoneOffsetLocalTest");
+    }
+    switch (index) {
+        TESTCASE(0, TestGetOffsetAroundTransition);
+        default: name = ""; break;
+    }
+}
+
+/*
+ * Testing getOffset APIs around rule transition by local standard/wall time.
+ */
+void
+TimeZoneOffsetLocalTest::TestGetOffsetAroundTransition() {
+    const int32_t NUM_DATES = 10;
+    const int32_t NUM_TIMEZONES = 3;
+
+    const int32_t HOUR = 60*60*1000;
+    const int32_t MINUTE = 60*1000;
+
+    const int32_t DATES[NUM_DATES][6] = {
+        {2006, UCAL_APRIL, 2, 1, 30, 1*HOUR+30*MINUTE},
+        {2006, UCAL_APRIL, 2, 2, 00, 2*HOUR},
+        {2006, UCAL_APRIL, 2, 2, 30, 2*HOUR+30*MINUTE},
+        {2006, UCAL_APRIL, 2, 3, 00, 3*HOUR},
+        {2006, UCAL_APRIL, 2, 3, 30, 3*HOUR+30*MINUTE},
+        {2006, UCAL_OCTOBER, 29, 0, 30, 0*HOUR+30*MINUTE},
+        {2006, UCAL_OCTOBER, 29, 1, 00, 1*HOUR},
+        {2006, UCAL_OCTOBER, 29, 1, 30, 1*HOUR+30*MINUTE},
+        {2006, UCAL_OCTOBER, 29, 2, 00, 2*HOUR},
+        {2006, UCAL_OCTOBER, 29, 2, 30, 2*HOUR+30*MINUTE},
+    };
+
+    // Expected offsets by int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
+    // uint8_t dayOfWeek, int32_t millis, UErrorCode& status)
+    const int32_t OFFSETS1[NUM_DATES] = {
+        // April 2, 2006
+        -8*HOUR,
+        -7*HOUR,
+        -7*HOUR,
+        -7*HOUR,
+        -7*HOUR,
+
+        // October 29, 2006
+        -7*HOUR,
+        -8*HOUR,
+        -8*HOUR,
+        -8*HOUR,
+        -8*HOUR,
+    };
+
+    // Expected offsets by void getOffset(UDate date, UBool local, int32_t& rawOffset,
+    // int32_t& dstOffset, UErrorCode& ec) with local=TRUE
+    // or void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
+    // int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) with
+    // nonExistingTimeOpt=kStandard/duplicatedTimeOpt=kStandard
+    const int32_t OFFSETS2[NUM_DATES][2] = {
+        // April 2, 2006
+        {-8*HOUR, 0},
+        {-8*HOUR, 0},
+        {-8*HOUR, 0},
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 1*HOUR},
+
+        // Oct 29, 2006
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 0},
+        {-8*HOUR, 0},
+        {-8*HOUR, 0},
+        {-8*HOUR, 0},
+    };
+
+    // Expected offsets by void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt,
+    // int32_t duplicatedTimeOpt, int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) with
+    // nonExistingTimeOpt=kDaylight/duplicatedTimeOpt=kDaylight
+    const int32_t OFFSETS3[][2] = {
+        // April 2, 2006
+        {-8*HOUR, 0},
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 1*HOUR},
+
+        // October 29, 2006
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 1*HOUR},
+        {-8*HOUR, 0},
+        {-8*HOUR, 0},
+    };
+
+    UErrorCode status = U_ZERO_ERROR;
+
+    int32_t rawOffset, dstOffset;
+    TimeZone* utc = TimeZone::createTimeZone("UTC");
+    Calendar* cal = Calendar::createInstance(*utc, status);
+    if (U_FAILURE(status)) {
+        dataerrln("Calendar::createInstance failed: %s", u_errorName(status));
+        return;
+    }
+    cal->clear();
+
+    // Set up TimeZone objects - OlsonTimeZone, SimpleTimeZone and RuleBasedTimeZone
+    BasicTimeZone *TESTZONES[NUM_TIMEZONES];
+
+    TESTZONES[0] = (BasicTimeZone*)TimeZone::createTimeZone("America/Los_Angeles");
+    TESTZONES[1] = new SimpleTimeZone(-8*HOUR, "Simple Pacific Time",
+                                        UCAL_APRIL, 1, UCAL_SUNDAY, 2*HOUR,
+                                        UCAL_OCTOBER, -1, UCAL_SUNDAY, 2*HOUR, status);
+    if (U_FAILURE(status)) {
+        errln("SimpleTimeZone constructor failed");
+        return;
+    }
+
+    InitialTimeZoneRule *ir = new InitialTimeZoneRule(
+            "Pacific Standard Time", // Initial time Name
+            -8*HOUR,        // Raw offset
+            0*HOUR);        // DST saving amount
+
+    RuleBasedTimeZone *rbPT = new RuleBasedTimeZone("Rule based Pacific Time", ir);
+
+    DateTimeRule *dtr;
+    AnnualTimeZoneRule *atzr;
+    const int32_t STARTYEAR = 2000;
+
+    dtr = new DateTimeRule(UCAL_APRIL, 1, UCAL_SUNDAY,
+                        2*HOUR, DateTimeRule::WALL_TIME); // 1st Sunday in April, at 2AM wall time
+    atzr = new AnnualTimeZoneRule("Pacific Daylight Time",
+            -8*HOUR /* rawOffset */, 1*HOUR /* dstSavings */, dtr,
+            STARTYEAR, AnnualTimeZoneRule::MAX_YEAR);
+    rbPT->addTransitionRule(atzr, status);
+    if (U_FAILURE(status)) {
+        errln("Could not add DST start rule to the RuleBasedTimeZone rbPT");
+        return;
+    }
+
+    dtr = new DateTimeRule(UCAL_OCTOBER, -1, UCAL_SUNDAY,
+                        2*HOUR, DateTimeRule::WALL_TIME); // last Sunday in October, at 2AM wall time
+    atzr = new AnnualTimeZoneRule("Pacific Standard Time",
+            -8*HOUR /* rawOffset */, 0 /* dstSavings */, dtr,
+            STARTYEAR, AnnualTimeZoneRule::MAX_YEAR);
+    rbPT->addTransitionRule(atzr, status);
+    if (U_FAILURE(status)) {
+        errln("Could not add STD start rule to the RuleBasedTimeZone rbPT");
+        return;
+    }
+
+    rbPT->complete(status);
+    if (U_FAILURE(status)) {
+        errln("complete() failed for RuleBasedTimeZone rbPT");
+        return;
+    }
+
+    TESTZONES[2] = rbPT;
+
+    // Calculate millis
+    UDate MILLIS[NUM_DATES];
+    for (int32_t i = 0; i < NUM_DATES; i++) {
+        cal->clear();
+        cal->set(DATES[i][0], DATES[i][1], DATES[i][2], DATES[i][3], DATES[i][4]);
+        MILLIS[i] = cal->getTime(status);
+        if (U_FAILURE(status)) {
+            errln("cal->getTime failed");
+            return;
+        }
+    }
+
+    SimpleDateFormat df(UnicodeString("yyyy-MM-dd HH:mm:ss"), status);
+    if (U_FAILURE(status)) {
+        errcheckln(status, "Failed to initialize a SimpleDateFormat - %s", u_errorName(status));
+    }
+    df.setTimeZone(*utc);
+    UnicodeString dateStr;
+
+    // Test getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
+    // uint8_t dayOfWeek, int32_t millis, UErrorCode& status)
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        for (int32_t d = 0; d < NUM_DATES; d++) {
+            status = U_ZERO_ERROR;
+            int32_t offset = TESTZONES[i]->getOffset(GregorianCalendar::AD, DATES[d][0], DATES[d][1], DATES[d][2],
+                                                UCAL_SUNDAY, DATES[d][5], status);
+            if (U_FAILURE(status)) {
+                errln((UnicodeString)"getOffset(era,year,month,day,dayOfWeek,millis,status) failed for TESTZONES[" + i + "]");
+            } else if (offset != OFFSETS1[d]) {
+                dateStr.remove();
+                df.format(MILLIS[d], dateStr);
+                dataerrln((UnicodeString)"Bad offset returned by TESTZONES[" + i + "] at "
+                        + dateStr + "(standard) - Got: " + offset + " Expected: " + OFFSETS1[d]);
+            }
+        }
+    }
+
+    // Test getOffset(UDate date, UBool local, int32_t& rawOffset,
+    // int32_t& dstOffset, UErrorCode& ec) with local = TRUE
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        for (int32_t m = 0; m < NUM_DATES; m++) {
+            status = U_ZERO_ERROR;
+            TESTZONES[i]->getOffset(MILLIS[m], TRUE, rawOffset, dstOffset, status);
+            if (U_FAILURE(status)) {
+                errln((UnicodeString)"getOffset(date,local,rawOfset,dstOffset,ec) failed for TESTZONES[" + i + "]");
+            } else if (rawOffset != OFFSETS2[m][0] || dstOffset != OFFSETS2[m][1]) {
+                dateStr.remove();
+                df.format(MILLIS[m], dateStr);
+                dataerrln((UnicodeString)"Bad offset returned by TESTZONES[" + i + "] at "
+                        + dateStr + "(wall) - Got: "
+                        + rawOffset + "/" + dstOffset
+                        + " Expected: " + OFFSETS2[m][0] + "/" + OFFSETS2[m][1]);
+            }
+        }
+    }
+
+    // Test getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
+    // int32_t& rawOffset, int32_t& dstOffset, UErroCode& status)
+    // with nonExistingTimeOpt=kStandard/duplicatedTimeOpt=kStandard
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        for (int m = 0; m < NUM_DATES; m++) {
+            status = U_ZERO_ERROR;
+            TESTZONES[i]->getOffsetFromLocal(MILLIS[m], BasicTimeZone::kStandard, BasicTimeZone::kStandard,
+                rawOffset, dstOffset, status);
+            if (U_FAILURE(status)) {
+                errln((UnicodeString)"getOffsetFromLocal with kStandard/kStandard failed for TESTZONES[" + i + "]");
+            } else if (rawOffset != OFFSETS2[m][0] || dstOffset != OFFSETS2[m][1]) {
+                dateStr.remove();
+                df.format(MILLIS[m], dateStr);
+                dataerrln((UnicodeString)"Bad offset returned by TESTZONES[" + i + "] at "
+                        + dateStr + "(wall/kStandard/kStandard) - Got: "
+                        + rawOffset + "/" + dstOffset
+                        + " Expected: " + OFFSETS2[m][0] + "/" + OFFSETS2[m][1]);
+            }
+        }
+    }
+
+    // Test getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
+    // int32_t& rawOffset, int32_t& dstOffset, UErroCode& status)
+    // with nonExistingTimeOpt=kDaylight/duplicatedTimeOpt=kDaylight
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        for (int m = 0; m < NUM_DATES; m++) {
+            status = U_ZERO_ERROR;
+            TESTZONES[i]->getOffsetFromLocal(MILLIS[m], BasicTimeZone::kDaylight, BasicTimeZone::kDaylight,
+                rawOffset, dstOffset, status);
+            if (U_FAILURE(status)) {
+                errln((UnicodeString)"getOffsetFromLocal with kDaylight/kDaylight failed for TESTZONES[" + i + "]");
+            } else if (rawOffset != OFFSETS3[m][0] || dstOffset != OFFSETS3[m][1]) {
+                dateStr.remove();
+                df.format(MILLIS[m], dateStr);
+                dataerrln((UnicodeString)"Bad offset returned by TESTZONES[" + i + "] at "
+                        + dateStr + "(wall/kDaylight/kDaylight) - Got: "
+                        + rawOffset + "/" + dstOffset
+                        + " Expected: " + OFFSETS3[m][0] + "/" + OFFSETS3[m][1]);
+            }
+        }
+    }
+
+    // Test getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
+    // int32_t& rawOffset, int32_t& dstOffset, UErroCode& status)
+    // with nonExistingTimeOpt=kFormer/duplicatedTimeOpt=kLatter
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        for (int m = 0; m < NUM_DATES; m++) {
+            status = U_ZERO_ERROR;
+            TESTZONES[i]->getOffsetFromLocal(MILLIS[m], BasicTimeZone::kFormer, BasicTimeZone::kLatter,
+                rawOffset, dstOffset, status);
+            if (U_FAILURE(status)) {
+                errln((UnicodeString)"getOffsetFromLocal with kFormer/kLatter failed for TESTZONES[" + i + "]");
+            } else if (rawOffset != OFFSETS2[m][0] || dstOffset != OFFSETS2[m][1]) {
+                dateStr.remove();
+                df.format(MILLIS[m], dateStr);
+                dataerrln((UnicodeString)"Bad offset returned by TESTZONES[" + i + "] at "
+                        + dateStr + "(wall/kFormer/kLatter) - Got: "
+                        + rawOffset + "/" + dstOffset
+                        + " Expected: " + OFFSETS2[m][0] + "/" + OFFSETS2[m][1]);
+            }
+        }
+    }
+
+    // Test getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
+    // int32_t& rawOffset, int32_t& dstOffset, UErroCode& status)
+    // with nonExistingTimeOpt=kLatter/duplicatedTimeOpt=kFormer
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        for (int m = 0; m < NUM_DATES; m++) {
+            status = U_ZERO_ERROR;
+            TESTZONES[i]->getOffsetFromLocal(MILLIS[m], BasicTimeZone::kLatter, BasicTimeZone::kFormer,
+                rawOffset, dstOffset, status);
+            if (U_FAILURE(status)) {
+                errln((UnicodeString)"getOffsetFromLocal with kLatter/kFormer failed for TESTZONES[" + i + "]");
+            } else if (rawOffset != OFFSETS3[m][0] || dstOffset != OFFSETS3[m][1]) {
+                dateStr.remove();
+                df.format(MILLIS[m], dateStr);
+                dataerrln((UnicodeString)"Bad offset returned by TESTZONES[" + i + "] at "
+                        + dateStr + "(wall/kLatter/kFormer) - Got: "
+                        + rawOffset + "/" + dstOffset
+                        + " Expected: " + OFFSETS3[m][0] + "/" + OFFSETS3[m][1]);
+            }
+        }
+    }
+
+    for (int32_t i = 0; i < NUM_TIMEZONES; i++) {
+        delete TESTZONES[i];
+    }
+    delete utc;
+    delete cal;
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */