icuSources/test/intltest/tzbdtest.h

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 1997-2001, 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
  83 private:
  84     const UDate ONE_SECOND;
  85     const UDate ONE_MINUTE;
  86     const UDate ONE_HOUR;
  87     const UDate ONE_DAY;
  88     const UDate ONE_YEAR;
  89     const UDate SIX_MONTHS;
  90     static const int32_t MONTH_LENGTH[];
  91     static const UDate PST_1997_BEG;
  92     static const UDate PST_1997_END;
  93     static const UDate INTERVAL;
  94 };
  95
  96 #endif /* #if !UCONFIG_NO_FORMATTING */
  97
  98 #endif // __TimeZoneBoundaryTest__