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 */
22class TimeZoneBoundaryTest: public CalendarTimeZoneTest {
23    // IntlTest override
24    void runIndexedTest( int32_t index, UBool exec, const char* &name, char* par );
25public: // 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
44private:
45    //static UnicodeString* showDate(long l);
46    UnicodeString showDate(UDate d);
47    static UnicodeString showNN(int32_t n);
48
49public: // 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) ;
84private:
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