364 lines
10 KiB
C++
364 lines
10 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/***********************************************************************
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* COPYRIGHT:
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* Copyright (c) 1997-2015, International Business Machines Corporation
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* and others. All Rights Reserved.
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***********************************************************************/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "nmfmtrt.h"
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#include "unicode/dcfmtsym.h"
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#include "unicode/decimfmt.h"
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#include "unicode/locid.h"
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#include "putilimp.h"
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#include "cstring.h"
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#include <float.h>
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#include <stdio.h> // for sprintf
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#include <stdlib.h>
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// *****************************************************************************
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// class NumberFormatRoundTripTest
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// *****************************************************************************
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UBool NumberFormatRoundTripTest::verbose = FALSE;
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UBool NumberFormatRoundTripTest::STRING_COMPARE = TRUE;
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UBool NumberFormatRoundTripTest::EXACT_NUMERIC_COMPARE = FALSE;
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UBool NumberFormatRoundTripTest::DEBUG_VAR = FALSE;
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double NumberFormatRoundTripTest::MAX_ERROR = 1e-14;
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double NumberFormatRoundTripTest::max_numeric_error = 0.0;
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double NumberFormatRoundTripTest::min_numeric_error = 1.0;
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#define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break;
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void NumberFormatRoundTripTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
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{
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// if (exec) logln((UnicodeString)"TestSuite NumberFormatRoundTripTest");
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switch (index) {
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CASE(0, start)
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default: name = ""; break;
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}
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}
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UBool
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NumberFormatRoundTripTest::failure(UErrorCode status, const char* msg, UBool possibleDataError)
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{
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if(U_FAILURE(status)) {
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if (possibleDataError) {
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dataerrln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
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} else {
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errln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
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}
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return TRUE;
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}
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return FALSE;
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}
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uint32_t
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NumberFormatRoundTripTest::randLong()
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{
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// Assume 8-bit (or larger) rand values. Also assume
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// that the system rand() function is very poor, which it always is.
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uint32_t d;
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uint32_t i;
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char* poke = (char*)&d;
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for (i=0; i < sizeof(uint32_t); ++i)
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{
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poke[i] = (char)(rand() & 0xFF);
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}
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return d;
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}
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/**
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* Return a random value from -range..+range.
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*/
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double
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NumberFormatRoundTripTest::randomDouble(double range)
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{
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double a = randFraction();
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return (2.0 * range * a) - range;
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}
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void
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NumberFormatRoundTripTest::start()
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{
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// test(NumberFormat.getInstance(new Locale("sr", "", "")));
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UErrorCode status = U_ZERO_ERROR;
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NumberFormat *fmt = NULL;
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logln("Default Locale");
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fmt = NumberFormat::createInstance(status);
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if (!failure(status, "NumberFormat::createInstance", TRUE)){
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test(fmt);
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}
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delete fmt;
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fmt = NumberFormat::createCurrencyInstance(status);
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if (!failure(status, "NumberFormat::createCurrencyInstance", TRUE)){
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test(fmt);
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}
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delete fmt;
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fmt = NumberFormat::createPercentInstance(status);
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if (!failure(status, "NumberFormat::createPercentInstance", TRUE)){
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test(fmt);
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}
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delete fmt;
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int32_t locCount = 0;
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const Locale *loc = NumberFormat::getAvailableLocales(locCount);
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if(quick) {
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if(locCount > 5)
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locCount = 5;
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logln("Quick mode: only testing first 5 Locales");
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}
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for(int i = 0; i < locCount; ++i) {
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UnicodeString name;
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logln(loc[i].getDisplayName(name));
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fmt = NumberFormat::createInstance(loc[i], status);
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failure(status, "NumberFormat::createInstance");
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test(fmt);
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delete fmt;
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fmt = NumberFormat::createCurrencyInstance(loc[i], status);
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failure(status, "NumberFormat::createCurrencyInstance");
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test(fmt);
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delete fmt;
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fmt = NumberFormat::createPercentInstance(loc[i], status);
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failure(status, "NumberFormat::createPercentInstance");
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test(fmt);
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delete fmt;
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}
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logln(UnicodeString("Numeric error ") + min_numeric_error + " to " + max_numeric_error);
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}
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void
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NumberFormatRoundTripTest::test(NumberFormat *fmt)
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{
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#if IEEE_754 && U_PLATFORM != U_PF_OS400
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test(fmt, uprv_getNaN());
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test(fmt, uprv_getInfinity());
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test(fmt, -uprv_getInfinity());
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#endif
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test(fmt, (int32_t)500);
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test(fmt, (int32_t)0);
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test(fmt, (int32_t)-0);
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test(fmt, 0.0);
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double negZero = 0.0; negZero /= -1.0;
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test(fmt, negZero);
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test(fmt, 9223372036854775808.0);
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test(fmt, -9223372036854775809.0);
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for(int i = 0; i < 10; ++i) {
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test(fmt, randomDouble(1));
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test(fmt, randomDouble(10000));
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test(fmt, uprv_floor((randomDouble(10000))));
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test(fmt, randomDouble(1e50));
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test(fmt, randomDouble(1e-50));
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#if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
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test(fmt, randomDouble(1e100));
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#elif IEEE_754
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test(fmt, randomDouble(1e75));
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#endif /* OS390 and OS400 */
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// {sfb} When formatting with a percent instance, numbers very close to
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// DBL_MAX will fail the round trip. This is because:
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// 1) Format the double into a string --> INF% (since 100 * double > DBL_MAX)
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// 2) Parse the string into a double --> INF
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// 3) Re-format the double --> INF%
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// 4) The strings are equal, so that works.
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// 5) Calculate the proportional error --> INF, so the test will fail
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// I'll get around this by dividing by the multiplier to make sure
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// the double will stay in range.
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//if(fmt->getMultipler() == 1)
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DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt);
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if(df != NULL)
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{
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#if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
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/* DBL_MAX/2 is here because randomDouble does a *2 in the math */
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test(fmt, randomDouble(DBL_MAX/2.0) / df->getMultiplier());
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#elif IEEE_754
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test(fmt, randomDouble(1e75) / df->getMultiplier());
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#else
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test(fmt, randomDouble(1e65) / df->getMultiplier());
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#endif
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}
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#if (defined(_MSC_VER) && _MSC_VER < 1400) || defined(__alpha__) || defined(U_OSF)
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// These machines and compilers don't fully support denormalized doubles,
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test(fmt, randomDouble(1e-292));
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test(fmt, randomDouble(1e-100));
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#elif U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400
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// i5/OS (OS/400) throws exceptions on denormalized numbers
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# if IEEE_754
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test(fmt, randomDouble(1e-78));
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test(fmt, randomDouble(1e-78));
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// #else we're using something like the old z/OS floating point.
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# endif
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#else
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// This is a normal machine that can support IEEE754 denormalized doubles without throwing an error.
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test(fmt, randomDouble(DBL_MIN)); /* Usually 2.2250738585072014e-308 */
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test(fmt, randomDouble(1e-100));
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#endif
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}
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}
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void
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NumberFormatRoundTripTest::test(NumberFormat *fmt, double value)
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{
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test(fmt, Formattable(value));
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}
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void
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NumberFormatRoundTripTest::test(NumberFormat *fmt, int32_t value)
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{
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test(fmt, Formattable(value));
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}
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void
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NumberFormatRoundTripTest::test(NumberFormat *fmt, const Formattable& value)
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{
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fmt->setMaximumFractionDigits(999);
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DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt);
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if(df != NULL) {
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df->setRoundingIncrement(0.0);
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}
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UErrorCode status = U_ZERO_ERROR;
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UnicodeString s, s2, temp;
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if(isDouble(value))
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s = fmt->format(value.getDouble(), s);
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else
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s = fmt->format(value.getLong(), s);
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Formattable n;
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UBool show = verbose;
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if(DEBUG_VAR)
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logln(/*value.getString(temp) +*/ " F> " + escape(s));
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fmt->parse(s, n, status);
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failure(status, "fmt->parse");
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if(DEBUG_VAR)
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logln(escape(s) + " P> " /*+ n.getString(temp)*/);
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if(isDouble(n))
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s2 = fmt->format(n.getDouble(), s2);
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else
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s2 = fmt->format(n.getLong(), s2);
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if(DEBUG_VAR)
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logln(/*n.getString(temp) +*/ " F> " + escape(s2));
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if(STRING_COMPARE) {
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if (s != s2) {
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errln("*** STRING ERROR \"" + escape(s) + "\" != \"" + escape(s2) + "\"");
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show = TRUE;
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}
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}
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if(EXACT_NUMERIC_COMPARE) {
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if(value != n) {
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errln("*** NUMERIC ERROR");
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show = TRUE;
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}
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}
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else {
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// Compute proportional error
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double error = proportionalError(value, n);
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if(error > MAX_ERROR) {
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errln(UnicodeString("*** NUMERIC ERROR ") + error);
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show = TRUE;
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}
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if (error > max_numeric_error)
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max_numeric_error = error;
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if (error < min_numeric_error)
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min_numeric_error = error;
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}
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if (show) {
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errln(/*value.getString(temp) +*/ typeOf(value, temp) + " F> " +
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escape(s) + " P> " + (n.getType() == Formattable::kDouble ? n.getDouble() : (double)n.getLong())
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/*n.getString(temp) */ + typeOf(n, temp) + " F> " +
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escape(s2));
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}
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}
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double
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NumberFormatRoundTripTest::proportionalError(const Formattable& a, const Formattable& b)
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{
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double aa,bb;
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if(isDouble(a))
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aa = a.getDouble();
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else
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aa = a.getLong();
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if(isDouble(b))
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bb = b.getDouble();
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else
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bb = b.getLong();
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double error = aa - bb;
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if(aa != 0 && bb != 0)
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error /= aa;
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return uprv_fabs(error);
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}
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UnicodeString&
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NumberFormatRoundTripTest::typeOf(const Formattable& n, UnicodeString& result)
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{
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if(n.getType() == Formattable::kLong) {
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result = UnicodeString(" Long");
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}
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else if(n.getType() == Formattable::kDouble) {
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result = UnicodeString(" Double");
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}
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else if(n.getType() == Formattable::kString) {
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result = UnicodeString(" UnicodeString");
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UnicodeString temp;
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}
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return result;
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}
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UnicodeString&
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NumberFormatRoundTripTest::escape(UnicodeString& s)
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{
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UnicodeString copy(s);
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s.remove();
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for(int i = 0; i < copy.length(); ++i) {
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UChar32 c = copy.char32At(i);
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if (c >= 0x10000) {
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++i;
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}
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if(c < 0x00FF) {
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s += c;
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} else {
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s += "+U";
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char temp[16];
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sprintf(temp, "%4X", c); // might not work
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s += temp;
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}
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}
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return s;
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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