icuSources/test/intltest/dtfmtrtts.h

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 1997-2003, International Business Machines Corporation and
   4  * others. All Rights Reserved.
   5  ********************************************************************/
   6
   7 #ifndef _DATEFORMATROUNDTRIPTEST_
   8 #define _DATEFORMATROUNDTRIPTEST_
   9
  10 #include "unicode/utypes.h"
  11
  12 #if !UCONFIG_NO_FORMATTING
  13
  14 #include "unicode/unistr.h"
  15 #include "unicode/datefmt.h"
  16 #include "unicode/smpdtfmt.h"
  17 #include "unicode/calendar.h"
  18 #include "intltest.h"
  19
  20 /**
  21  * Performs round-trip tests for DateFormat
  22  **/
  23 class DateFormatRoundTripTest : public IntlTest {
  24
  25     // IntlTest override
  26     void runIndexedTest( int32_t index, UBool exec, const char* &name, char* par );
  27
  28 public:
  29     DateFormatRoundTripTest();
  30     virtual ~DateFormatRoundTripTest();
  31
  32     void TestDateFormatRoundTrip(void);
  33     void test(const Locale& loc);
  34     void test(DateFormat *fmt, const Locale &origLocale, UBool timeOnly = FALSE );
  35     int32_t getField(UDate d, int32_t f);
  36     UnicodeString& escape(const UnicodeString& src, UnicodeString& dst);
  37     UDate generateDate(void);
  38     UDate generateDate(UDate minDate);
  39
  40
  41 //============================================================
  42 // statics
  43 //============================================================
  44
  45 /**
  46  * Return a random uint32_t
  47  **/
  48 static uint32_t randLong() {
  49     // The portable IntlTest::random() function has sufficient
  50     // resolution for a 16-bit value, but not for 32 bits.
  51     return ((uint32_t) (IntlTest::random() * (1<<16))) |
  52           (((uint32_t) (IntlTest::random() * (1<<16))) << 16);
  53 }
  54
  55 /**
  56  * Return a random double 0 <= x <= 1.0
  57  **/
  58 static double randFraction()
  59 {
  60     return (double)randLong() / (double)0xFFFFFFFF;
  61 }
  62
  63 /**
  64  * Return a random value from -range..+range (closed).
  65  **/
  66 static double randDouble(double range)
  67 {
  68     double a = randFraction();
  69     //while(TPlatformUtilities::isInfinite(a) || TPlatformUtilities::isNaN(a))
  70     //    a = randFraction();
  71     return (2.0 * range * a) - range;
  72 }
  73
  74 protected:
  75     UBool failure(UErrorCode status, const char* msg);
  76     UBool failure(UErrorCode status, const char* msg, const UnicodeString& str);
  77
  78     const UnicodeString& fullFormat(UDate d);
  79
  80 private:
  81
  82     static int32_t SPARSENESS;
  83     static int32_t TRIALS;
  84     static int32_t DEPTH;
  85
  86     UBool optionv; // TRUE if @v option is given on command line
  87     SimpleDateFormat *dateFormat;
  88     UnicodeString fgStr;
  89     Calendar *getFieldCal;
  90 };
  91
  92 #endif /* #if !UCONFIG_NO_FORMATTING */
  93
  94 #endif // _DATEFORMATROUNDTRIPTEST_
  95 //eof