1 // 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /*********************************************************************** 4 * COPYRIGHT: 5 * Copyright (c) 1997-2015, International Business Machines Corporation 6 * and others. All Rights Reserved. 7 ***********************************************************************/ 8 9 #include "unicode/utypes.h" 10 11 #if !UCONFIG_NO_FORMATTING 12 13 #include "nmfmtrt.h" 14 15 #include "unicode/dcfmtsym.h" 16 #include "unicode/decimfmt.h" 17 #include "unicode/locid.h" 18 #include "putilimp.h" 19 #include "cstring.h" 20 21 #include <float.h> 22 #include <stdio.h> // for sprintf 23 #include <stdlib.h> 24 25 // ***************************************************************************** 26 // class NumberFormatRoundTripTest 27 // ***************************************************************************** 28 29 UBool NumberFormatRoundTripTest::verbose = FALSE; 30 UBool NumberFormatRoundTripTest::STRING_COMPARE = TRUE; 31 UBool NumberFormatRoundTripTest::EXACT_NUMERIC_COMPARE = FALSE; 32 UBool NumberFormatRoundTripTest::DEBUG_VAR = FALSE; 33 double NumberFormatRoundTripTest::MAX_ERROR = 1e-14; 34 double NumberFormatRoundTripTest::max_numeric_error = 0.0; 35 double NumberFormatRoundTripTest::min_numeric_error = 1.0; 36 37 #define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break; 38 39 void NumberFormatRoundTripTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ ) 40 { 41 // if (exec) logln((UnicodeString)"TestSuite NumberFormatRoundTripTest"); 42 switch (index) { 43 CASE(0, start) 44 default: name = ""; break; 45 } 46 } 47 48 UBool 49 NumberFormatRoundTripTest::failure(UErrorCode status, const char* msg, UBool possibleDataError) 50 { 51 if(U_FAILURE(status)) { 52 if (possibleDataError) { 53 dataerrln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status)); 54 } else { 55 errln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status)); 56 } 57 return TRUE; 58 } 59 60 return FALSE; 61 } 62 63 uint32_t 64 NumberFormatRoundTripTest::randLong() 65 { 66 // Assume 8-bit (or larger) rand values. Also assume 67 // that the system rand() function is very poor, which it always is. 68 uint32_t d; 69 uint32_t i; 70 char* poke = (char*)&d; 71 for (i=0; i < sizeof(uint32_t); ++i) 72 { 73 poke[i] = (char)(rand() & 0xFF); 74 } 75 return d; 76 } 77 78 /** 79 * Return a random value from -range..+range. 80 */ 81 double 82 NumberFormatRoundTripTest::randomDouble(double range) 83 { 84 double a = randFraction(); 85 return (2.0 * range * a) - range; 86 } 87 88 void 89 NumberFormatRoundTripTest::start() 90 { 91 // test(NumberFormat.getInstance(new Locale("sr", "", ""))); 92 93 UErrorCode status = U_ZERO_ERROR; 94 95 NumberFormat *fmt = NULL; 96 97 logln("Default Locale"); 98 99 fmt = NumberFormat::createInstance(status); 100 if (!failure(status, "NumberFormat::createInstance", TRUE)){ 101 test(fmt); 102 } 103 delete fmt; 104 105 fmt = NumberFormat::createCurrencyInstance(status); 106 if (!failure(status, "NumberFormat::createCurrencyInstance", TRUE)){ 107 test(fmt); 108 } 109 delete fmt; 110 111 fmt = NumberFormat::createPercentInstance(status); 112 if (!failure(status, "NumberFormat::createPercentInstance", TRUE)){ 113 test(fmt); 114 } 115 delete fmt; 116 117 118 int32_t locCount = 0; 119 const Locale *loc = NumberFormat::getAvailableLocales(locCount); 120 if(quick) { 121 if(locCount > 5) 122 locCount = 5; 123 logln("Quick mode: only testing first 5 Locales"); 124 } 125 for(int i = 0; i < locCount; ++i) { 126 UnicodeString name; 127 logln(loc[i].getDisplayName(name)); 128 129 fmt = NumberFormat::createInstance(loc[i], status); 130 failure(status, "NumberFormat::createInstance"); 131 test(fmt); 132 delete fmt; 133 134 fmt = NumberFormat::createCurrencyInstance(loc[i], status); 135 failure(status, "NumberFormat::createCurrencyInstance"); 136 test(fmt); 137 delete fmt; 138 139 fmt = NumberFormat::createPercentInstance(loc[i], status); 140 failure(status, "NumberFormat::createPercentInstance"); 141 test(fmt); 142 delete fmt; 143 } 144 145 logln(UnicodeString("Numeric error ") + min_numeric_error + " to " + max_numeric_error); 146 } 147 148 149 void 150 NumberFormatRoundTripTest::test(NumberFormat *fmt) 151 { 152 #if IEEE_754 && U_PLATFORM != U_PF_OS400 153 test(fmt, uprv_getNaN()); 154 test(fmt, uprv_getInfinity()); 155 test(fmt, -uprv_getInfinity()); 156 #endif 157 158 test(fmt, (int32_t)500); 159 test(fmt, (int32_t)0); 160 test(fmt, (int32_t)-0); 161 test(fmt, 0.0); 162 double negZero = 0.0; negZero /= -1.0; 163 test(fmt, negZero); 164 test(fmt, 9223372036854775808.0); 165 test(fmt, -9223372036854775809.0); 166 167 for(int i = 0; i < 10; ++i) { 168 test(fmt, randomDouble(1)); 169 test(fmt, randomDouble(10000)); 170 test(fmt, uprv_floor((randomDouble(10000)))); 171 test(fmt, randomDouble(1e50)); 172 test(fmt, randomDouble(1e-50)); 173 #if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400) 174 test(fmt, randomDouble(1e100)); 175 #elif IEEE_754 176 test(fmt, randomDouble(1e75)); 177 #endif /* OS390 and OS400 */ 178 // {sfb} When formatting with a percent instance, numbers very close to 179 // DBL_MAX will fail the round trip. This is because: 180 // 1) Format the double into a string --> INF% (since 100 * double > DBL_MAX) 181 // 2) Parse the string into a double --> INF 182 // 3) Re-format the double --> INF% 183 // 4) The strings are equal, so that works. 184 // 5) Calculate the proportional error --> INF, so the test will fail 185 // I'll get around this by dividing by the multiplier to make sure 186 // the double will stay in range. 187 //if(fmt->getMultipler() == 1) 188 DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt); 189 if(df != NULL) 190 { 191 #if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400) 192 /* DBL_MAX/2 is here because randomDouble does a *2 in the math */ 193 test(fmt, randomDouble(DBL_MAX/2.0) / df->getMultiplier()); 194 #elif IEEE_754 195 test(fmt, randomDouble(1e75) / df->getMultiplier()); 196 #else 197 test(fmt, randomDouble(1e65) / df->getMultiplier()); 198 #endif 199 } 200 201 #if (defined(_MSC_VER) && _MSC_VER < 1400) || defined(__alpha__) || defined(U_OSF) 202 // These machines and compilers don't fully support denormalized doubles, 203 test(fmt, randomDouble(1e-292)); 204 test(fmt, randomDouble(1e-100)); 205 #elif U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400 206 // i5/OS (OS/400) throws exceptions on denormalized numbers 207 # if IEEE_754 208 test(fmt, randomDouble(1e-78)); 209 test(fmt, randomDouble(1e-78)); 210 // #else we're using something like the old z/OS floating point. 211 # endif 212 #else 213 // This is a normal machine that can support IEEE754 denormalized doubles without throwing an error. 214 test(fmt, randomDouble(DBL_MIN)); /* Usually 2.2250738585072014e-308 */ 215 test(fmt, randomDouble(1e-100)); 216 #endif 217 } 218 } 219 220 void 221 NumberFormatRoundTripTest::test(NumberFormat *fmt, double value) 222 { 223 test(fmt, Formattable(value)); 224 } 225 226 void 227 NumberFormatRoundTripTest::test(NumberFormat *fmt, int32_t value) 228 { 229 test(fmt, Formattable(value)); 230 } 231 232 void 233 NumberFormatRoundTripTest::test(NumberFormat *fmt, const Formattable& value) 234 { 235 fmt->setMaximumFractionDigits(999); 236 DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt); 237 if(df != NULL) { 238 df->setRoundingIncrement(0.0); 239 } 240 UErrorCode status = U_ZERO_ERROR; 241 UnicodeString s, s2, temp; 242 if(isDouble(value)) 243 s = fmt->format(value.getDouble(), s); 244 else 245 s = fmt->format(value.getLong(), s); 246 247 Formattable n; 248 UBool show = verbose; 249 if(DEBUG_VAR) 250 logln(/*value.getString(temp) +*/ " F> " + escape(s)); 251 252 fmt->parse(s, n, status); 253 failure(status, "fmt->parse"); 254 if(DEBUG_VAR) 255 logln(escape(s) + " P> " /*+ n.getString(temp)*/); 256 257 if(isDouble(n)) 258 s2 = fmt->format(n.getDouble(), s2); 259 else 260 s2 = fmt->format(n.getLong(), s2); 261 262 if(DEBUG_VAR) 263 logln(/*n.getString(temp) +*/ " F> " + escape(s2)); 264 265 if(STRING_COMPARE) { 266 if (s != s2) { 267 errln("*** STRING ERROR \"" + escape(s) + "\" != \"" + escape(s2) + "\""); 268 show = TRUE; 269 } 270 } 271 272 if(EXACT_NUMERIC_COMPARE) { 273 if(value != n) { 274 errln("*** NUMERIC ERROR"); 275 show = TRUE; 276 } 277 } 278 else { 279 // Compute proportional error 280 double error = proportionalError(value, n); 281 282 if(error > MAX_ERROR) { 283 errln(UnicodeString("*** NUMERIC ERROR ") + error); 284 show = TRUE; 285 } 286 287 if (error > max_numeric_error) 288 max_numeric_error = error; 289 if (error < min_numeric_error) 290 min_numeric_error = error; 291 } 292 293 if (show) { 294 errln(/*value.getString(temp) +*/ typeOf(value, temp) + " F> " + 295 escape(s) + " P> " + (n.getType() == Formattable::kDouble ? n.getDouble() : (double)n.getLong()) 296 /*n.getString(temp) */ + typeOf(n, temp) + " F> " + 297 escape(s2)); 298 } 299 } 300 301 double 302 NumberFormatRoundTripTest::proportionalError(const Formattable& a, const Formattable& b) 303 { 304 double aa,bb; 305 306 if(isDouble(a)) 307 aa = a.getDouble(); 308 else 309 aa = a.getLong(); 310 311 if(isDouble(b)) 312 bb = b.getDouble(); 313 else 314 bb = b.getLong(); 315 316 double error = aa - bb; 317 if(aa != 0 && bb != 0) 318 error /= aa; 319 320 return uprv_fabs(error); 321 } 322 323 UnicodeString& 324 NumberFormatRoundTripTest::typeOf(const Formattable& n, UnicodeString& result) 325 { 326 if(n.getType() == Formattable::kLong) { 327 result = UnicodeString(" Long"); 328 } 329 else if(n.getType() == Formattable::kDouble) { 330 result = UnicodeString(" Double"); 331 } 332 else if(n.getType() == Formattable::kString) { 333 result = UnicodeString(" UnicodeString"); 334 UnicodeString temp; 335 } 336 337 return result; 338 } 339 340 341 UnicodeString& 342 NumberFormatRoundTripTest::escape(UnicodeString& s) 343 { 344 UnicodeString copy(s); 345 s.remove(); 346 for(int i = 0; i < copy.length(); ++i) { 347 UChar32 c = copy.char32At(i); 348 if (c >= 0x10000) { 349 ++i; 350 } 351 if(c < 0x00FF) { 352 s += c; 353 } else { 354 s += "+U"; 355 char temp[16]; 356 sprintf(temp, "%4X", c); // might not work 357 s += temp; 358 } 359 } 360 return s; 361 } 362 363 #endif /* #if !UCONFIG_NO_FORMATTING */ 364
