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      1 /********************************************************************
      2  * COPYRIGHT:
      3  * Copyright (c) 1997-2005, International Business Machines Corporation and
      4  * others. All Rights Reserved.
      5  ********************************************************************/
      6 
      7 #ifndef __TimeZoneBoundaryTest__
      8 #define __TimeZoneBoundaryTest__
      9 
     10 #include "unicode/utypes.h"
     11 
     12 #if !UCONFIG_NO_FORMATTING
     13 
     14 #include "unicode/timezone.h"
     15 #include "unicode/simpletz.h"
     16 #include "caltztst.h"
     17 
     18 /**
     19  * A test which discovers the boundaries of DST programmatically and verifies
     20  * that they are correct.
     21  */
     22 class TimeZoneBoundaryTest: public CalendarTimeZoneTest {
     23     // IntlTest override
     24     void runIndexedTest( int32_t index, UBool exec, const char* &name, char* par );
     25 public: // package
     26 
     27     TimeZoneBoundaryTest();
     28 
     29     /**
     30      * Date.toString().substring() Boundary Test
     31      * Look for a DST changeover to occur within 6 months of the given Date.
     32      * The initial Date.toString() should yield a string containing the
     33      * startMode as a SUBSTRING.  The boundary will be tested to be
     34      * at the expectedBoundary value.
     35      */
     36 
     37     /**
     38      * internal routines used by major test routines to perform subtests
     39      **/
     40     virtual void findDaylightBoundaryUsingDate(UDate d, const char* startMode, UDate expectedBoundary);
     41     virtual void findDaylightBoundaryUsingTimeZone(UDate d, UBool startsInDST, UDate expectedBoundary);
     42     virtual void findDaylightBoundaryUsingTimeZone(UDate d, UBool startsInDST, UDate expectedBoundary, TimeZone* tz);
     43 
     44 private:
     45     //static UnicodeString* showDate(long l);
     46     UnicodeString showDate(UDate d);
     47     static UnicodeString showNN(int32_t n);
     48 
     49 public: // package
     50     /**
     51      * Given a date, a TimeZone, and expected values for inDaylightTime,
     52      * useDaylightTime, zone and DST offset, verify that this is the case.
     53      */
     54     virtual void verifyDST(UDate d, TimeZone* time_zone, UBool expUseDaylightTime, UBool expInDaylightTime, UDate expZoneOffset, UDate expDSTOffset);
     55 
     56     /**
     57      * Test the behavior of SimpleTimeZone at the transition into and out of DST.
     58      * Use a binary search to find boundaries.
     59      */
     60     virtual void TestBoundaries(void);
     61 
     62     /**
     63      * internal subroutine used by TestNewRules
     64      **/
     65     virtual void testUsingBinarySearch(SimpleTimeZone* tz, UDate d, UDate expectedBoundary);
     66 
     67     /**
     68      * Test the handling of the "new" rules; that is, rules other than nth Day of week.
     69      */
     70     virtual void TestNewRules(void);
     71 
     72     /**
     73      * Find boundaries by stepping.
     74      */
     75     virtual void findBoundariesStepwise(int32_t year, UDate interval, TimeZone* z, int32_t expectedChanges);
     76 
     77     /**
     78      * Test the behavior of SimpleTimeZone at the transition into and out of DST.
     79      * Use a stepwise march to find boundaries.
     80      */
     81     virtual void TestStepwise(void);
     82     void verifyMapping(Calendar& cal, int year, int month, int dom, int hour,
     83                     double epochHours) ;
     84 private:
     85     const UDate ONE_SECOND;
     86     const UDate ONE_MINUTE;
     87     const UDate ONE_HOUR;
     88     const UDate ONE_DAY;
     89     const UDate ONE_YEAR;
     90     const UDate SIX_MONTHS;
     91     static const int32_t MONTH_LENGTH[];
     92     static const UDate PST_1997_BEG;
     93     static const UDate PST_1997_END;
     94     static const UDate INTERVAL;
     95 };
     96 
     97 #endif /* #if !UCONFIG_NO_FORMATTING */
     98 
     99 #endif // __TimeZoneBoundaryTest__
    100