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