1 /***********************************************************************
2 * COPYRIGHT:
3 * Copyright (c) 1997-2015, International Business Machines Corporation
4 * and others. All Rights Reserved.
5 ***********************************************************************/
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"
16 #include "putilimp.h"
17
18 #include <float.h>
19 #include <stdio.h> // for sprintf
20 #include <stdlib.h>
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_VAR = 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
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)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
failure(UErrorCode status,const char * msg,UBool possibleDataError)46 NumberFormatRoundTripTest::failure(UErrorCode status, const char* msg, UBool possibleDataError)
47 {
48 if(U_FAILURE(status)) {
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 }
54 return TRUE;
55 }
56
57 return FALSE;
58 }
59
60 uint32_t
randLong()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
randomDouble(double range)79 NumberFormatRoundTripTest::randomDouble(double range)
80 {
81 double a = randFraction();
82 return (2.0 * range * a) - range;
83 }
84
85 void
start()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);
97 if (!failure(status, "NumberFormat::createInstance", TRUE)){
98 test(fmt);
99 }
100 delete fmt;
101
102 fmt = NumberFormat::createCurrencyInstance(status);
103 if (!failure(status, "NumberFormat::createCurrencyInstance", TRUE)){
104 test(fmt);
105 }
106 delete fmt;
107
108 fmt = NumberFormat::createPercentInstance(status);
109 if (!failure(status, "NumberFormat::createPercentInstance", TRUE)){
110 test(fmt);
111 }
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
test(NumberFormat * fmt)147 NumberFormatRoundTripTest::test(NumberFormat *fmt)
148 {
149 #if IEEE_754 && U_PLATFORM != U_PF_OS400
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));
170 #if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
171 test(fmt, randomDouble(1e100));
172 #elif IEEE_754
173 test(fmt, randomDouble(1e75));
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)
185 DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt);
186 if(df != NULL)
187 {
188 #if !(U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400)
189 /* DBL_MAX/2 is here because randomDouble does a *2 in the math */
190 test(fmt, randomDouble(DBL_MAX/2.0) / df->getMultiplier());
191 #elif IEEE_754
192 test(fmt, randomDouble(1e75) / df->getMultiplier());
193 #else
194 test(fmt, randomDouble(1e65) / df->getMultiplier());
195 #endif
196 }
197
198 #if (defined(_MSC_VER) && _MSC_VER < 1400) || defined(__alpha__) || defined(U_OSF)
199 // These machines and compilers don't fully support denormalized doubles,
200 test(fmt, randomDouble(1e-292));
201 test(fmt, randomDouble(1e-100));
202 #elif U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400
203 // i5/OS (OS/400) throws exceptions on denormalized numbers
204 # if IEEE_754
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.
208 # endif
209 #else
210 // This is a normal machine that can support IEEE754 denormalized doubles without throwing an error.
211 test(fmt, randomDouble(DBL_MIN)); /* Usually 2.2250738585072014e-308 */
212 test(fmt, randomDouble(1e-100));
213 #endif
214 }
215 }
216
217 void
test(NumberFormat * fmt,double value)218 NumberFormatRoundTripTest::test(NumberFormat *fmt, double value)
219 {
220 test(fmt, Formattable(value));
221 }
222
223 void
test(NumberFormat * fmt,int32_t value)224 NumberFormatRoundTripTest::test(NumberFormat *fmt, int32_t value)
225 {
226 test(fmt, Formattable(value));
227 }
228
229 void
test(NumberFormat * fmt,const Formattable & value)230 NumberFormatRoundTripTest::test(NumberFormat *fmt, const Formattable& value)
231 {
232 fmt->setMaximumFractionDigits(999);
233 DecimalFormat *df = dynamic_cast<DecimalFormat *>(fmt);
234 if(df != NULL) {
235 df->setRoundingIncrement(0.0);
236 }
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_VAR)
247 logln(/*value.getString(temp) +*/ " F> " + escape(s));
248
249 fmt->parse(s, n, status);
250 failure(status, "fmt->parse");
251 if(DEBUG_VAR)
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_VAR)
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> " +
292 escape(s) + " P> " + (n.getType() == Formattable::kDouble ? n.getDouble() : (double)n.getLong())
293 /*n.getString(temp) */ + typeOf(n, temp) + " F> " +
294 escape(s2));
295 }
296 }
297
298 double
proportionalError(const Formattable & a,const Formattable & b)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&
typeOf(const Formattable & n,UnicodeString & result)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&
escape(UnicodeString & s)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 */
358