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 **/
23class DateFormatRoundTripTest : public IntlTest {
24
25    // IntlTest override
26    void runIndexedTest( int32_t index, UBool exec, const char* &name, char* par );
27
28public:
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 **/
49static 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 **/
59static double randFraction()
60{
61    return (double)randLong() / (double)0xFFFFFFFF;
62}
63
64/**
65 * Return a random value from -range..+range (closed).
66 **/
67static 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
75protected:
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
81private:
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