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      1 /********************************************************************
      2  * COPYRIGHT:
      3  * Copyright (c) 1997-2006, 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 TestCentury(void);
     34     void test(const Locale& loc);
     35     void test(DateFormat *fmt, const Locale &origLocale, UBool timeOnly = FALSE );
     36     int32_t getField(UDate d, int32_t f);
     37     UnicodeString& escape(const UnicodeString& src, UnicodeString& dst);
     38     UDate generateDate(void);
     39     UDate generateDate(UDate minDate);
     40 
     41 
     42 //============================================================
     43 // statics
     44 //============================================================
     45 
     46 /**
     47  * Return a random uint32_t
     48  **/
     49 static uint32_t randLong() {
     50     // The portable IntlTest::random() function has sufficient
     51     // resolution for a 16-bit value, but not for 32 bits.
     52     return ((uint32_t) (IntlTest::random() * (1<<16))) |
     53           (((uint32_t) (IntlTest::random() * (1<<16))) << 16);
     54 }
     55 
     56 /**
     57  * Return a random double 0 <= x <= 1.0
     58  **/
     59 static double randFraction()
     60 {
     61     return (double)randLong() / (double)0xFFFFFFFF;
     62 }
     63 
     64 /**
     65  * Return a random value from -range..+range (closed).
     66  **/
     67 static double randDouble(double range)
     68 {
     69     double a = randFraction();
     70     //while(TPlatformUtilities::isInfinite(a) || TPlatformUtilities::isNaN(a))
     71     //    a = randFraction();
     72     return (2.0 * range * a) - range;
     73 }
     74 
     75 protected:
     76     UBool failure(UErrorCode status, const char* msg);
     77     UBool failure(UErrorCode status, const char* msg, const UnicodeString& str);
     78 
     79     const UnicodeString& fullFormat(UDate d);
     80 
     81 private:
     82 
     83     static int32_t SPARSENESS;
     84     static int32_t TRIALS;
     85     static int32_t DEPTH;
     86 
     87     UBool optionv; // TRUE if @v option is given on command line
     88     SimpleDateFormat *dateFormat;
     89     UnicodeString fgStr;
     90     Calendar *getFieldCal;
     91 };
     92 
     93 #endif /* #if !UCONFIG_NO_FORMATTING */
     94 
     95 #endif // _DATEFORMATROUNDTRIPTEST_
     96 //eof
     97