icuSources/test/intltest/callimts.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /********************************************************************
   4  * COPYRIGHT:
   5  * Copyright (c) 1997-2015, International Business Machines Corporation and
   6  * others. All Rights Reserved.
   7  ********************************************************************/
   8
   9 #ifndef __CalendarLimitTest__
  10 #define __CalendarLimitTest__
  11
  12 #include "unicode/utypes.h"
  13
  14 #if !UCONFIG_NO_FORMATTING
  15
  16 #include "caltztst.h"
  17
  18 /**
  19  * This test verifies the behavior of Calendar around the very earliest limits
  20  * which it can handle.  It also verifies the behavior for large values of millis.
  21  *
  22  * Bug ID 4033662.
  23  */
  24 class CalendarLimitTest: public CalendarTimeZoneTest {
  25     // IntlTest override
  26     void runIndexedTest( int32_t index, UBool exec, const char* &name, char* par );
  27 public: // package
  28     //test routine used by TestCalendarLimit
  29     virtual void test(UDate millis, Calendar *cal, DateFormat *fmt);
  30
  31     // bug 986c: deprecate nextDouble/previousDouble
  32     //static double nextDouble(double a);
  33     //static double previousDouble(double a);
  34     static UBool withinErr(double a, double b, double err);
  35
  36 public:
  37     // test behaviour and error reporting at boundaries of defined range
  38     virtual void TestCalendarExtremeLimit(void);
  39
  40     void TestLimits(void);
  41     void TestLimitsThread(int32_t threadNumber);
  42
  43 private:
  44     /*
  45      * Test the functions getMaximum/getGeratestMinimum logically correct.
  46      * This method assumes day of week cycle is consistent.
  47      * @param cal The calendar instance to be tested.
  48      * @param leapMonth true if the calendar system has leap months
  49      */
  50     void doTheoreticalLimitsTest(Calendar& cal, UBool leapMonth);
  51
  52     /*
  53      * Test the functions getXxxMinimum() and getXxxMaximum() by marching a
  54      * test calendar 'cal' through 'numberOfDays' sequential days starting
  55      * with 'startDate'.  For each date, read a field value along with its
  56      * reported actual minimum and actual maximum.  These values are
  57      * checked against one another as well as against getMinimum(),
  58      * getGreatestMinimum(), getLeastMaximum(), and getMaximum().  We
  59      * expect to see:
  60      *
  61      * 1. minimum <= actualMinimum <= greatestMinimum <=
  62      *    leastMaximum <= actualMaximum <= maximum
  63      *
  64      * 2. actualMinimum <= value <= actualMaximum
  65      *
  66      * Note: In addition to outright failures, this test reports some
  67      * results as warnings.  These are not generally of concern, but they
  68      * should be evaluated by a human.  To see these, run this test in
  69      * verbose mode.
  70      * @param cal the calendar to be tested
  71      * @param fieldsToTest an array of field values to be tested, e.g., new
  72      * int[] { UCAL_MONTH, UCAL_DAY_OF_MONTH }.  It only makes
  73      * sense to test the day fields; the time fields are not tested by this
  74      * method.  If null, then test all standard fields.
  75      * @param startDate the first date to test
  76      * @param testDuration if positive, the number of days to be tested.
  77      * If negative, the number of seconds to run the test.
  78      */
  79     void doLimitsTest(Calendar& cal, const int32_t* fieldsToTest, UDate startDate, int32_t testDuration);
  80
  81     /**
  82      * doLimitsTest with default test duration and fields
  83      */
  84     void doLimitsTest(Calendar& cal, UDate startDate, int32_t endTime);
  85
  86     UnicodeString& ymdToString(const Calendar& cal, UnicodeString& str);
  87 };
  88
  89 #endif /* #if !UCONFIG_NO_FORMATTING */
  90
  91 #endif // __CalendarLimitTest__