[apple/icu.git] / icuSources / test / intltest / nmfmtrt.cpp

/***********************************************************************
 * COPYRIGHT: 
 * Copyright (c) 1997-2011, International Business Machines Corporation
 * and others. All Rights Reserved.
 ***********************************************************************/

#include "unicode/utypes.h"

#if !UCONFIG_NO_FORMATTING

#include "nmfmtrt.h"

#include "unicode/dcfmtsym.h"
#include "unicode/decimfmt.h"
#include "unicode/locid.h"
#include "putilimp.h"

#include <float.h>
#include <stdio.h>    // for sprintf
#include <stdlib.h>
 
// *****************************************************************************
// class NumberFormatRoundTripTest
// *****************************************************************************

UBool NumberFormatRoundTripTest::verbose                  = FALSE;
UBool NumberFormatRoundTripTest::STRING_COMPARE           = TRUE;
UBool NumberFormatRoundTripTest::EXACT_NUMERIC_COMPARE    = FALSE;
UBool NumberFormatRoundTripTest::DEBUG                    = FALSE;
double NumberFormatRoundTripTest::MAX_ERROR               = 1e-14;
double NumberFormatRoundTripTest::max_numeric_error       = 0.0;
double NumberFormatRoundTripTest::min_numeric_error       = 1.0;

#define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break;

void NumberFormatRoundTripTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
    // if (exec) logln((UnicodeString)"TestSuite NumberFormatRoundTripTest");
    switch (index) {
        CASE(0, start)
        default: name = ""; break;
    }
}

UBool 
NumberFormatRoundTripTest::failure(UErrorCode status, const char* msg, UBool possibleDataError)
{
    if(U_FAILURE(status)) {
        if (possibleDataError) {
            dataerrln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
        } else {
            errln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
        }
        return TRUE;
    }

    return FALSE;
}

uint32_t
NumberFormatRoundTripTest::randLong()
{
    // Assume 8-bit (or larger) rand values.  Also assume
    // that the system rand() function is very poor, which it always is.
    uint32_t d;
    uint32_t i;
    char* poke = (char*)&d;
    for (i=0; i < sizeof(uint32_t); ++i)
    {
        poke[i] = (char)(rand() & 0xFF);
    }
    return d;
}

/**
 * Return a random value from -range..+range.
 */
double 
NumberFormatRoundTripTest::randomDouble(double range)
{
    double a = randFraction();
    return (2.0 * range * a) - range;
}

void 
NumberFormatRoundTripTest::start()
{
// test(NumberFormat.getInstance(new Locale("sr", "", "")));

    UErrorCode status = U_ZERO_ERROR;

    NumberFormat *fmt = NULL;

    logln("Default Locale");

    fmt = NumberFormat::createInstance(status);
    if (!failure(status, "NumberFormat::createInstance", TRUE)){
        test(fmt);
    }
    delete fmt;

    fmt = NumberFormat::createCurrencyInstance(status);
    if (!failure(status, "NumberFormat::createCurrencyInstance", TRUE)){
        test(fmt);
    }
    delete fmt;

    fmt = NumberFormat::createPercentInstance(status);
    if (!failure(status, "NumberFormat::createPercentInstance", TRUE)){
        test(fmt);
    }
    delete fmt;


    int32_t locCount = 0;
    const Locale *loc = NumberFormat::getAvailableLocales(locCount);
    if(quick) {
        if(locCount > 5)
            locCount = 5;
        logln("Quick mode: only testing first 5 Locales");
    }
    for(int i = 0; i < locCount; ++i) {
        UnicodeString name;
        logln(loc[i].getDisplayName(name));

        fmt = NumberFormat::createInstance(loc[i], status);
        failure(status, "NumberFormat::createInstance");
        test(fmt);
        delete fmt;
    
        fmt = NumberFormat::createCurrencyInstance(loc[i], status);
        failure(status, "NumberFormat::createCurrencyInstance");
        test(fmt);
        delete fmt;
    
        fmt = NumberFormat::createPercentInstance(loc[i], status);
        failure(status, "NumberFormat::createPercentInstance");
        test(fmt);
        delete fmt;
    }

    logln(UnicodeString("Numeric error ") + min_numeric_error + " to " + max_numeric_error);
}


void 
NumberFormatRoundTripTest::test(NumberFormat *fmt)
{
#if IEEE_754 && U_PLATFORM != U_PF_OS400
    test(fmt, uprv_getNaN());
    test(fmt, uprv_getInfinity());
    test(fmt, -uprv_getInfinity());
#endif

    test(fmt, (int32_t)500);
    test(fmt, (int32_t)0);
    test(fmt, (int32_t)-0);
    test(fmt, 0.0);
    double negZero = 0.0; negZero /= -1.0;
    test(fmt, negZero);
    test(fmt, 9223372036854775808.0);
    test(fmt, -9223372036854775809.0);

    for(int i = 0; i < 10; ++i) {
        test(fmt, randomDouble(1));
        test(fmt, randomDouble(10000));
        test(fmt, uprv_floor((randomDouble(10000))));
        test(fmt, randomDouble(1e50));
        test(fmt, randomDouble(1e-50));
#if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
        test(fmt, randomDouble(1e100));
#elif IEEE_754
        test(fmt, randomDouble(1e75));
#endif /* OS390 and OS400 */
        // {sfb} When formatting with a percent instance, numbers very close to
        // DBL_MAX will fail the round trip.  This is because:
        // 1) Format the double into a string --> INF% (since 100 * double > DBL_MAX)
        // 2) Parse the string into a double --> INF
        // 3) Re-format the double --> INF%
        // 4) The strings are equal, so that works.
        // 5) Calculate the proportional error --> INF, so the test will fail
        // I'll get around this by dividing by the multiplier to make sure
        // the double will stay in range.
        //if(fmt->getMultipler() == 1)
        DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt);
        if(df != NULL)
        {
#if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
            /* DBL_MAX/2 is here because randomDouble does a *2 in the math */
            test(fmt, randomDouble(DBL_MAX/2.0) / df->getMultiplier());
#elif IEEE_754
            test(fmt, randomDouble(1e75) / df->getMultiplier());
#else
            test(fmt, randomDouble(1e65) / df->getMultiplier());
#endif
        }

#if (defined(_MSC_VER) && _MSC_VER < 1400) || defined(__alpha__) || defined(U_OSF)
        // These machines and compilers don't fully support denormalized doubles,
        test(fmt, randomDouble(1e-292));
        test(fmt, randomDouble(1e-100));
#elif U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400
        // i5/OS (OS/400) throws exceptions on denormalized numbers
#   if IEEE_754
        test(fmt, randomDouble(1e-78));
        test(fmt, randomDouble(1e-78));
        // #else we're using something like the old z/OS floating point.
#   endif
#else
        // This is a normal machine that can support IEEE754 denormalized doubles without throwing an error.
        test(fmt, randomDouble(DBL_MIN)); /* Usually 2.2250738585072014e-308 */
        test(fmt, randomDouble(1e-100));
#endif
    }
}

void 
NumberFormatRoundTripTest::test(NumberFormat *fmt, double value)
{
    test(fmt, Formattable(value));
}

void 
NumberFormatRoundTripTest::test(NumberFormat *fmt, int32_t value)
{
    test(fmt, Formattable(value));
}

void 
NumberFormatRoundTripTest::test(NumberFormat *fmt, const Formattable& value)
{
    fmt->setMaximumFractionDigits(999);
    DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt);
    if(df != NULL) {
        df->setRoundingIncrement(0.0);
    }
    UErrorCode status = U_ZERO_ERROR;
    UnicodeString s, s2, temp;
    if(isDouble(value))
        s = fmt->format(value.getDouble(), s);
    else
        s = fmt->format(value.getLong(), s);

    Formattable n;
    UBool show = verbose;
    if(DEBUG)
        logln(/*value.getString(temp) +*/ " F> " + escape(s));

    fmt->parse(s, n, status);
    failure(status, "fmt->parse");
    if(DEBUG) 
        logln(escape(s) + " P> " /*+ n.getString(temp)*/);

    if(isDouble(n))
        s2 = fmt->format(n.getDouble(), s2);
    else
        s2 = fmt->format(n.getLong(), s2);
    
    if(DEBUG) 
        logln(/*n.getString(temp) +*/ " F> " + escape(s2));

    if(STRING_COMPARE) {
        if (s != s2) {
            errln("*** STRING ERROR \"" + escape(s) + "\" != \"" + escape(s2) + "\"");
            show = TRUE;
        }
    }

    if(EXACT_NUMERIC_COMPARE) {
        if(value != n) {
            errln("*** NUMERIC ERROR");
            show = TRUE;
        }
    }
    else {
        // Compute proportional error
        double error = proportionalError(value, n);

        if(error > MAX_ERROR) {
            errln(UnicodeString("*** NUMERIC ERROR ") + error);
            show = TRUE;
        }

        if (error > max_numeric_error) 
            max_numeric_error = error;
        if (error < min_numeric_error) 
            min_numeric_error = error;
    }

    if (show) {
        errln(/*value.getString(temp) +*/ typeOf(value, temp) + " F> " +
            escape(s) + " P> " + (n.getType() == Formattable::kDouble ? n.getDouble() : (double)n.getLong())
            /*n.getString(temp) */ + typeOf(n, temp) + " F> " +
            escape(s2));
    }
}

double 
NumberFormatRoundTripTest::proportionalError(const Formattable& a, const Formattable& b)
{
    double aa,bb;
    
    if(isDouble(a))
        aa = a.getDouble();
    else
        aa = a.getLong();

    if(isDouble(b))
        bb = b.getDouble();
    else
        bb = b.getLong();

    double error = aa - bb;
    if(aa != 0 && bb != 0) 
        error /= aa;
    
    return uprv_fabs(error);
}

UnicodeString& 
NumberFormatRoundTripTest::typeOf(const Formattable& n, UnicodeString& result)
{
    if(n.getType() == Formattable::kLong) {
        result = UnicodeString(" Long");
    }
    else if(n.getType() == Formattable::kDouble) {
        result = UnicodeString(" Double");
    }
    else if(n.getType() == Formattable::kString) {
        result = UnicodeString(" UnicodeString");
        UnicodeString temp;
    }

    return result;
}


UnicodeString& 
NumberFormatRoundTripTest::escape(UnicodeString& s)
{
    UnicodeString copy(s);
    s.remove();
    for(int i = 0; i < copy.length(); ++i) {
        UChar c = copy[i];
        if(c < 0x00FF) 
            s += c;
        else {
            s += "+U";
            char temp[16];
            sprintf(temp, "%4X", c);        // might not work
            s += temp;
        }
    }
    return s;
}

#endif /* #if !UCONFIG_NO_FORMATTING */
Commit	Line	Data
374ca955	1	/***********************************************************************
b75a7d8f	2	* COPYRIGHT:
4388f060	3	* Copyright (c) 1997-2011, International Business Machines Corporation
374ca955 A	4	* and others. All Rights Reserved.
374ca955 A	5	***********************************************************************/
b75a7d8f A	6
	7	#include "unicode/utypes.h"
	8
	9	#if !UCONFIG_NO_FORMATTING
	10
	11	#include "nmfmtrt.h"
	12
	13	#include "unicode/dcfmtsym.h"
	14	#include "unicode/decimfmt.h"
	15	#include "unicode/locid.h"
374ca955	16	#include "putilimp.h"
b75a7d8f A	17
	18	#include <float.h>
	19	#include <stdio.h> // for sprintf
374ca955	20	#include <stdlib.h>
b75a7d8f A	21
	22	// *****************************************************************************
	23	// class NumberFormatRoundTripTest
	24	// *****************************************************************************
	25
	26	UBool NumberFormatRoundTripTest::verbose = FALSE;
	27	UBool NumberFormatRoundTripTest::STRING_COMPARE = TRUE;
	28	UBool NumberFormatRoundTripTest::EXACT_NUMERIC_COMPARE = FALSE;
	29	UBool NumberFormatRoundTripTest::DEBUG = FALSE;
	30	double NumberFormatRoundTripTest::MAX_ERROR = 1e-14;
	31	double NumberFormatRoundTripTest::max_numeric_error = 0.0;
	32	double NumberFormatRoundTripTest::min_numeric_error = 1.0;
	33
	34	#define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break;
	35
	36	void NumberFormatRoundTripTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /par/ )
	37	{
	38	// if (exec) logln((UnicodeString)"TestSuite NumberFormatRoundTripTest");
	39	switch (index) {
	40	CASE(0, start)
	41	default: name = ""; break;
	42	}
	43	}
	44
	45	UBool
729e4ab9	46	NumberFormatRoundTripTest::failure(UErrorCode status, const char* msg, UBool possibleDataError)
b75a7d8f A	47	{
b75a7d8f A	48	if(U_FAILURE(status)) {
729e4ab9 A	49	if (possibleDataError) {
	50	dataerrln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
	51	} else {
	52	errln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
	53	}
b75a7d8f A	54	return TRUE;
	55	}
	56
	57	return FALSE;
	58	}
	59
374ca955 A	60	uint32_t
	61	NumberFormatRoundTripTest::randLong()
	62	{
	63	// Assume 8-bit (or larger) rand values. Also assume
	64	// that the system rand() function is very poor, which it always is.
	65	uint32_t d;
	66	uint32_t i;
	67	char* poke = (char*)&d;
	68	for (i=0; i < sizeof(uint32_t); ++i)
	69	{
	70	poke[i] = (char)(rand() & 0xFF);
	71	}
	72	return d;
	73	}
	74
	75	/**
	76	* Return a random value from -range..+range.
	77	*/
	78	double
	79	NumberFormatRoundTripTest::randomDouble(double range)
	80	{
	81	double a = randFraction();
	82	return (2.0 * range * a) - range;
	83	}
	84
b75a7d8f A	85	void
	86	NumberFormatRoundTripTest::start()
	87	{
	88	// test(NumberFormat.getInstance(new Locale("sr", "", "")));
	89
	90	UErrorCode status = U_ZERO_ERROR;
	91
	92	NumberFormat *fmt = NULL;
	93
	94	logln("Default Locale");
	95
	96	fmt = NumberFormat::createInstance(status);
729e4ab9	97	if (!failure(status, "NumberFormat::createInstance", TRUE)){
73c04bcf A	98	test(fmt);
73c04bcf A	99	}
b75a7d8f A	100	delete fmt;
	101
	102	fmt = NumberFormat::createCurrencyInstance(status);
729e4ab9	103	if (!failure(status, "NumberFormat::createCurrencyInstance", TRUE)){
73c04bcf A	104	test(fmt);
73c04bcf A	105	}
b75a7d8f A	106	delete fmt;
	107
	108	fmt = NumberFormat::createPercentInstance(status);
729e4ab9	109	if (!failure(status, "NumberFormat::createPercentInstance", TRUE)){
73c04bcf A	110	test(fmt);
73c04bcf A	111	}
b75a7d8f A	112	delete fmt;
	113
	114
	115	int32_t locCount = 0;
	116	const Locale *loc = NumberFormat::getAvailableLocales(locCount);
	117	if(quick) {
	118	if(locCount > 5)
	119	locCount = 5;
	120	logln("Quick mode: only testing first 5 Locales");
	121	}
	122	for(int i = 0; i < locCount; ++i) {
	123	UnicodeString name;
	124	logln(loc[i].getDisplayName(name));
	125
	126	fmt = NumberFormat::createInstance(loc[i], status);
	127	failure(status, "NumberFormat::createInstance");
	128	test(fmt);
	129	delete fmt;
	130
	131	fmt = NumberFormat::createCurrencyInstance(loc[i], status);
	132	failure(status, "NumberFormat::createCurrencyInstance");
	133	test(fmt);
	134	delete fmt;
	135
	136	fmt = NumberFormat::createPercentInstance(loc[i], status);
	137	failure(status, "NumberFormat::createPercentInstance");
	138	test(fmt);
	139	delete fmt;
	140	}
	141
	142	logln(UnicodeString("Numeric error ") + min_numeric_error + " to " + max_numeric_error);
	143	}
	144
	145
	146	void
	147	NumberFormatRoundTripTest::test(NumberFormat *fmt)
	148	{
4388f060	149	#if IEEE_754 && U_PLATFORM != U_PF_OS400
b75a7d8f A	150	test(fmt, uprv_getNaN());
	151	test(fmt, uprv_getInfinity());
	152	test(fmt, -uprv_getInfinity());
	153	#endif
	154
	155	test(fmt, (int32_t)500);
	156	test(fmt, (int32_t)0);
	157	test(fmt, (int32_t)-0);
	158	test(fmt, 0.0);
	159	double negZero = 0.0; negZero /= -1.0;
	160	test(fmt, negZero);
	161	test(fmt, 9223372036854775808.0);
	162	test(fmt, -9223372036854775809.0);
	163
	164	for(int i = 0; i < 10; ++i) {
	165	test(fmt, randomDouble(1));
	166	test(fmt, randomDouble(10000));
	167	test(fmt, uprv_floor((randomDouble(10000))));
	168	test(fmt, randomDouble(1e50));
	169	test(fmt, randomDouble(1e-50));
4388f060	170	#if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
b75a7d8f A	171	test(fmt, randomDouble(1e100));
b75a7d8f A	172	#elif IEEE_754
4388f060	173	test(fmt, randomDouble(1e75));
b75a7d8f A	174	#endif /* OS390 and OS400 */
	175	// {sfb} When formatting with a percent instance, numbers very close to
	176	// DBL_MAX will fail the round trip. This is because:
	177	// 1) Format the double into a string --> INF% (since 100 * double > DBL_MAX)
	178	// 2) Parse the string into a double --> INF
	179	// 3) Re-format the double --> INF%
	180	// 4) The strings are equal, so that works.
	181	// 5) Calculate the proportional error --> INF, so the test will fail
	182	// I'll get around this by dividing by the multiplier to make sure
	183	// the double will stay in range.
	184	//if(fmt->getMultipler() == 1)
729e4ab9 A	185	DecimalFormat df = dynamic_cast<DecimalFormat >(fmt);
729e4ab9 A	186	if(df != NULL)
b75a7d8f	187	{
4388f060	188	#if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
b75a7d8f	189	/* DBL_MAX/2 is here because randomDouble does a 2 in the math /
729e4ab9	190	test(fmt, randomDouble(DBL_MAX/2.0) / df->getMultiplier());
b75a7d8f	191	#elif IEEE_754
4388f060	192	test(fmt, randomDouble(1e75) / df->getMultiplier());
b75a7d8f	193	#else
4388f060	194	test(fmt, randomDouble(1e65) / df->getMultiplier());
b75a7d8f A	195	#endif
	196	}
	197
46f4442e A	198	#if (defined(_MSC_VER) && _MSC_VER < 1400) \|\| defined(__alpha__) \|\| defined(U_OSF)
46f4442e A	199	// These machines and compilers don't fully support denormalized doubles,
b75a7d8f	200	test(fmt, randomDouble(1e-292));
46f4442e	201	test(fmt, randomDouble(1e-100));
4388f060 A	202	#elif U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400
4388f060 A	203	// i5/OS (OS/400) throws exceptions on denormalized numbers
b75a7d8f	204	# if IEEE_754
46f4442e A	205	test(fmt, randomDouble(1e-78));
	206	test(fmt, randomDouble(1e-78));
	207	// #else we're using something like the old z/OS floating point.
b75a7d8f A	208	# endif
b75a7d8f A	209	#else
46f4442e A	210	// This is a normal machine that can support IEEE754 denormalized doubles without throwing an error.
46f4442e A	211	test(fmt, randomDouble(DBL_MIN)); /* Usually 2.2250738585072014e-308 */
b75a7d8f	212	test(fmt, randomDouble(1e-100));
46f4442e	213	#endif
b75a7d8f A	214	}
	215	}
	216
b75a7d8f A	217	void
	218	NumberFormatRoundTripTest::test(NumberFormat *fmt, double value)
	219	{
	220	test(fmt, Formattable(value));
	221	}
	222
	223	void
	224	NumberFormatRoundTripTest::test(NumberFormat *fmt, int32_t value)
	225	{
	226	test(fmt, Formattable(value));
	227	}
	228
	229	void
	230	NumberFormatRoundTripTest::test(NumberFormat *fmt, const Formattable& value)
	231	{
	232	fmt->setMaximumFractionDigits(999);
729e4ab9 A	233	DecimalFormat df = dynamic_cast<DecimalFormat >(fmt);
	234	if(df != NULL) {
	235	df->setRoundingIncrement(0.0);
73c04bcf	236	}
b75a7d8f A	237	UErrorCode status = U_ZERO_ERROR;
	238	UnicodeString s, s2, temp;
	239	if(isDouble(value))
	240	s = fmt->format(value.getDouble(), s);
	241	else
	242	s = fmt->format(value.getLong(), s);
	243
	244	Formattable n;
	245	UBool show = verbose;
	246	if(DEBUG)
	247	logln(/value.getString(temp) +/ " F> " + escape(s));
	248
	249	fmt->parse(s, n, status);
	250	failure(status, "fmt->parse");
	251	if(DEBUG)
	252	logln(escape(s) + " P> " /+ n.getString(temp)/);
	253
	254	if(isDouble(n))
	255	s2 = fmt->format(n.getDouble(), s2);
	256	else
	257	s2 = fmt->format(n.getLong(), s2);
	258
	259	if(DEBUG)
	260	logln(/n.getString(temp) +/ " F> " + escape(s2));
	261
	262	if(STRING_COMPARE) {
	263	if (s != s2) {
	264	errln("*** STRING ERROR \"" + escape(s) + "\" != \"" + escape(s2) + "\"");
	265	show = TRUE;
	266	}
	267	}
	268
	269	if(EXACT_NUMERIC_COMPARE) {
	270	if(value != n) {
	271	errln("*** NUMERIC ERROR");
	272	show = TRUE;
	273	}
	274	}
	275	else {
	276	// Compute proportional error
	277	double error = proportionalError(value, n);
	278
	279	if(error > MAX_ERROR) {
	280	errln(UnicodeString("*** NUMERIC ERROR ") + error);
	281	show = TRUE;
	282	}
	283
	284	if (error > max_numeric_error)
	285	max_numeric_error = error;
	286	if (error < min_numeric_error)
	287	min_numeric_error = error;
	288	}
	289
	290	if (show) {
	291	errln(/value.getString(temp) +/ typeOf(value, temp) + " F> " +
46f4442e A	292	escape(s) + " P> " + (n.getType() == Formattable::kDouble ? n.getDouble() : (double)n.getLong())
46f4442e A	293	/n.getString(temp) / + typeOf(n, temp) + " F> " +
b75a7d8f A	294	escape(s2));
	295	}
	296	}
	297
	298	double
	299	NumberFormatRoundTripTest::proportionalError(const Formattable& a, const Formattable& b)
	300	{
	301	double aa,bb;
	302
	303	if(isDouble(a))
	304	aa = a.getDouble();
	305	else
	306	aa = a.getLong();
	307
	308	if(isDouble(b))
	309	bb = b.getDouble();
	310	else
	311	bb = b.getLong();
	312
	313	double error = aa - bb;
	314	if(aa != 0 && bb != 0)
	315	error /= aa;
	316
	317	return uprv_fabs(error);
	318	}
	319
	320	UnicodeString&
	321	NumberFormatRoundTripTest::typeOf(const Formattable& n, UnicodeString& result)
	322	{
	323	if(n.getType() == Formattable::kLong) {
	324	result = UnicodeString(" Long");
	325	}
	326	else if(n.getType() == Formattable::kDouble) {
	327	result = UnicodeString(" Double");
	328	}
	329	else if(n.getType() == Formattable::kString) {
	330	result = UnicodeString(" UnicodeString");
	331	UnicodeString temp;
	332	}
	333
	334	return result;
	335	}
	336
	337
	338	UnicodeString&
	339	NumberFormatRoundTripTest::escape(UnicodeString& s)
	340	{
	341	UnicodeString copy(s);
	342	s.remove();
	343	for(int i = 0; i < copy.length(); ++i) {
	344	UChar c = copy[i];
	345	if(c < 0x00FF)
	346	s += c;
	347	else {
	348	s += "+U";
	349	char temp[16];
	350	sprintf(temp, "%4X", c); // might not work
	351	s += temp;
	352	}
	353	}
	354	return s;
	355	}
	356
	357	#endif /* #if !UCONFIG_NO_FORMATTING */