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1 /********************************************************************
2  * COPYRIGHT:
3  * Copyright (c) 2007-2011, International Business Machines Corporation and
4  * others. All Rights Reserved.
5  ********************************************************************/
6 
7 #include "unicode/utypes.h"
8 
9 #if !UCONFIG_NO_FORMATTING
10 
11 #include "plurults.h"
12 #include "plurfmts.h"
13 #include "cmemory.h"
14 #include "unicode/msgfmt.h"
15 #include "unicode/plurrule.h"
16 #include "unicode/plurfmt.h"
17 
18 #define PLURAL_PATTERN_DATA 4
19 #define PLURAL_TEST_ARRAY_SIZE 256
20 
21 #define PLURAL_SYNTAX_DATA 8
22 
23 // The value must be same as PLKeywordLookups[] order.
24 #define PFT_ZERO   0
25 #define PFT_ONE    1
26 #define PFT_TWO    2
27 #define PFT_FEW    3
28 #define PFT_MANY   4
29 #define PFT_OTHER  5
30 
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)31 void PluralFormatTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
32 {
33     if (exec) logln("TestSuite PluralFormat");
34     switch (index) {
35         TESTCASE(0, pluralFormatBasicTest);
36         TESTCASE(1, pluralFormatUnitTest);
37         TESTCASE(2, pluralFormatLocaleTest);
38         TESTCASE(3, pluralFormatExtendedTest);
39         TESTCASE(4, pluralFormatExtendedParseTest);
40         default: name = "";
41             break;
42     }
43 }
44 
45 /**
46  * Test various generic API methods of PluralFormat for Basic usage.
47  */
pluralFormatBasicTest()48 void PluralFormatTest::pluralFormatBasicTest(/*char *par*/)
49 {
50     UErrorCode status[8];
51     PluralFormat* plFmt[8];
52     Locale        locale = Locale::getDefault();
53     UnicodeString otherPattern = UnicodeString("other{#}");
54     UnicodeString message=UnicodeString("ERROR: PluralFormat basic test");
55 
56     // ========= Test constructors
57     logln(" Testing PluralFormat constructors ...");
58     status[0] = U_ZERO_ERROR;
59     PluralRules*  plRules = PluralRules::createDefaultRules(status[0]);
60 
61     status[0] = U_ZERO_ERROR;
62     NumberFormat *numFmt = NumberFormat::createInstance(status[0]);
63     if (U_FAILURE(status[0])) {
64         dataerrln("ERROR: Could not create NumberFormat instance with default locale ");
65     }
66 
67     for (int32_t i=0; i< 8; ++i) {
68         status[i] = U_ZERO_ERROR;
69     }
70     plFmt[0] = new PluralFormat(status[0]);
71     plFmt[1] = new PluralFormat(*plRules, status[1]);
72     plFmt[2] = new PluralFormat(locale, status[2]);
73     plFmt[3] = new PluralFormat(locale, *plRules, status[3]);
74     plFmt[4] = new PluralFormat(otherPattern, status[4]);
75     plFmt[5] = new PluralFormat(*plRules, otherPattern, status[5]);
76     plFmt[6] = new PluralFormat(locale, otherPattern, status[6]);
77     plFmt[7] = new PluralFormat(locale, *plRules, otherPattern, status[7]);
78 
79     for (int32_t i=0; i< 8; ++i) {
80         if (U_SUCCESS(status[i])) {
81             numberFormatTest(plFmt[i], numFmt, 1, 12, NULL, NULL, FALSE, &message);
82             numberFormatTest(plFmt[i], numFmt, 100, 112, NULL, NULL, FALSE, &message);
83         }
84         else {
85             dataerrln("ERROR: PluralFormat constructor failed!");
86         }
87        delete plFmt[i];
88     }
89     // ======= Test clone, assignment operator && == operator.
90     plFmt[0]= new PluralFormat(status[0]);
91     plFmt[0]->setNumberFormat(numFmt,status[0]);
92     UnicodeString us = UnicodeString("");
93     plFmt[0]->toPattern(us);
94     plFmt[1]= new PluralFormat(locale, status[1]);
95     if ( U_SUCCESS(status[0]) && U_SUCCESS(status[1]) ) {
96         *plFmt[1] = *plFmt[0];
97         if (plFmt[1]!=NULL) {
98             if ( *plFmt[1] != *plFmt[0] ) {
99                 errln("ERROR:  clone plural format test failed!");
100             }
101         }
102     }
103     else {
104          dataerrln("ERROR: PluralFormat constructor failed! - [0]%s [1]%s", u_errorName(status[0]), u_errorName(status[1]));
105     }
106     delete plFmt[0];
107 
108     status[0] = U_ZERO_ERROR;
109     plFmt[0]= new PluralFormat(locale, status[0]);
110     if ( U_SUCCESS(status[0]) ) {
111         *plFmt[1] = *plFmt[0];
112         if (plFmt[1]!=NULL) {
113             if ( *plFmt[1] != *plFmt[0] ) {
114                 errln("ERROR:  assignment operator test failed!");
115             }
116         }
117     }
118     else {
119          dataerrln("ERROR: PluralFormat constructor failed! - %s", u_errorName(status[1]));
120     }
121 
122     if ( U_SUCCESS(status[1]) ) {
123         plFmt[2] = (PluralFormat*) plFmt[1]->clone();
124 
125         if (plFmt[1]!=NULL) {
126             if ( *plFmt[1] != *plFmt[2] ) {
127                 errln("ERROR:  clone function test failed!");
128             }
129         }
130         delete plFmt[1];
131         delete plFmt[2];
132     }
133     else {
134          dataerrln("ERROR: PluralFormat clone failed! - %s", u_errorName(status[1]));
135     }
136 
137     delete plFmt[0];
138     delete numFmt;
139     delete plRules;
140 
141     // Tests parseObject
142     UErrorCode stat = U_ZERO_ERROR;
143     PluralFormat *pf = new PluralFormat(stat);
144     Formattable *f = new Formattable();
145     ParsePosition *pp = new ParsePosition();
146     pf->parseObject((UnicodeString)"",*f,*pp);
147     if(U_FAILURE(stat)) {
148         dataerrln("ERROR: PluralFormat::parseObject: %s", u_errorName(stat));
149     }
150     delete pf;
151     delete f;
152     delete pp;
153 }
154 
155 /**
156  * Unit tests of PluralFormat class.
157  */
pluralFormatUnitTest()158 void PluralFormatTest::pluralFormatUnitTest(/*char *par*/)
159 {
160     UnicodeString patternTestData[PLURAL_PATTERN_DATA] = {
161         UNICODE_STRING_SIMPLE("odd {# is odd.} other{# is even.}"),
162         UNICODE_STRING_SIMPLE("other{# is odd or even.}"),
163         UNICODE_STRING_SIMPLE("odd{The number {0, number, #.#0} is odd.}other{The number {0, number, #.#0} is even.}"),
164         UNICODE_STRING_SIMPLE("odd{The number {1, number, #} is odd.}other{The number {2, number, #} is even.}"),
165     };
166     UnicodeString patternOddTestResult[PLURAL_PATTERN_DATA] = {
167         UNICODE_STRING_SIMPLE(" is odd."),
168         UNICODE_STRING_SIMPLE(" is odd or even."),
169         UNICODE_STRING_SIMPLE("The number {0, number, #.#0} is odd."),
170         UNICODE_STRING_SIMPLE("The number {1, number, #} is odd."),
171     };
172     UnicodeString patternEvenTestResult[PLURAL_PATTERN_DATA] = {
173         UNICODE_STRING_SIMPLE(" is even."),
174         UNICODE_STRING_SIMPLE(" is odd or even."),
175         UNICODE_STRING_SIMPLE("The number {0, number, #.#0} is even."),
176         UNICODE_STRING_SIMPLE("The number {2, number, #} is even."),
177     };
178     UnicodeString checkSyntaxtData[PLURAL_SYNTAX_DATA] = {
179         // ICU 4.8 does not check for duplicate keywords any more.
180         //UNICODE_STRING_SIMPLE("odd{foo} odd{bar} other{foobar}"),
181         //UNICODE_STRING_SIMPLE("odd{foo} other{bar} other{foobar}"),
182         UNICODE_STRING_SIMPLE("odd{foo}"),
183         // ICU 4.8 does not check for unknown keywords any more.
184         //UNICODE_STRING_SIMPLE("otto{foo} other{bar}"),
185         UNICODE_STRING_SIMPLE("*odd{foo} other{bar}"),
186         UNICODE_STRING_SIMPLE("odd{foo},other{bar}"),
187         UNICODE_STRING_SIMPLE("od d{foo} other{bar}"),
188         UNICODE_STRING_SIMPLE("odd{foo}{foobar}other{foo}"),
189     };
190 
191     UErrorCode status = U_ZERO_ERROR;
192     UnicodeString oddAndEvenRule = UNICODE_STRING_SIMPLE("odd: n mod 2 is 1");
193     PluralRules*  plRules = PluralRules::createRules(oddAndEvenRule, status);
194     if (U_FAILURE(status)) {
195         dataerrln("ERROR:  create PluralRules instance failed in unit tests.- exitting");
196         return;
197     }
198 
199     // ======= Test PluralRules pattern syntax.
200     logln("Testing PluralRules pattern syntax.");
201     for (int32_t i=0; i<PLURAL_SYNTAX_DATA; ++i) {
202         status = U_ZERO_ERROR;
203 
204         PluralFormat plFmt=PluralFormat(*plRules, status);
205         if (U_FAILURE(status)) {
206             dataerrln("ERROR:  PluralFormat constructor failed in unit tests.- exitting");
207             return;
208         }
209         plFmt.applyPattern(checkSyntaxtData[i], status);
210         if (U_SUCCESS(status)) {
211             errln("ERROR:  PluralFormat failed to detect syntax error with pattern: "+checkSyntaxtData[i]);
212         }
213     }
214 
215 
216 
217     // ======= Test applying various pattern
218     logln("Testing various patterns");
219     status = U_ZERO_ERROR;
220     UBool overwrite[PLURAL_PATTERN_DATA] = {FALSE, FALSE, TRUE, TRUE};
221 
222     NumberFormat *numFmt = NumberFormat::createInstance(status);
223     UnicodeString message=UnicodeString("ERROR: PluralFormat tests various pattern ...");
224     if (U_FAILURE(status)) {
225         dataerrln("ERROR: Could not create NumberFormat instance with default locale ");
226     }
227     for(int32_t i=0; i<PLURAL_PATTERN_DATA; ++i) {
228         status = U_ZERO_ERROR;
229         PluralFormat plFmt=PluralFormat(*plRules, status);
230         if (U_FAILURE(status)) {
231             dataerrln("ERROR:  PluralFormat constructor failed in unit tests.- exitting");
232             return;
233         }
234         plFmt.applyPattern(patternTestData[i], status);
235         if (U_FAILURE(status)) {
236             errln("ERROR:  PluralFormat failed to apply pattern- "+patternTestData[i]);
237             continue;
238         }
239         numberFormatTest(&plFmt, numFmt, 1, 10, (UnicodeString *)&patternOddTestResult[i],
240                          (UnicodeString *)&patternEvenTestResult[i], overwrite[i], &message);
241     }
242     delete plRules;
243     delete numFmt;
244 
245     // ======= Test set locale
246     status = U_ZERO_ERROR;
247     plRules = PluralRules::createRules(UNICODE_STRING_SIMPLE("odd: n mod 2 is 1"), status);
248     PluralFormat pluralFmt = PluralFormat(*plRules, status);
249     if (U_FAILURE(status)) {
250         dataerrln("ERROR: Could not create PluralFormat instance in setLocale() test - exitting. ");
251         delete plRules;
252         return;
253     }
254     pluralFmt.applyPattern(UNICODE_STRING_SIMPLE("odd{odd} other{even}"), status);
255     pluralFmt.setLocale(Locale::getEnglish(), status);
256     if (U_FAILURE(status)) {
257         dataerrln("ERROR: Could not setLocale() with English locale ");
258         delete plRules;
259         return;
260     }
261     message = UNICODE_STRING_SIMPLE("Error set locale: pattern is not reset!");
262 
263     // Check that pattern gets deleted.
264     logln("\n Test setLocale() ..\n");
265     numFmt = NumberFormat::createInstance(Locale::getEnglish(), status);
266     if (U_FAILURE(status)) {
267         dataerrln("ERROR: Could not create NumberFormat instance with English locale ");
268     }
269     numberFormatTest(&pluralFmt, numFmt, 5, 5, NULL, NULL, FALSE, &message);
270     pluralFmt.applyPattern(UNICODE_STRING_SIMPLE("odd__{odd} other{even}"), status);
271     if (pluralFmt.format((int32_t)1, status) != UNICODE_STRING_SIMPLE("even")) {
272         errln("SetLocale should reset rules but did not.");
273     }
274     status = U_ZERO_ERROR;
275     pluralFmt.applyPattern(UNICODE_STRING_SIMPLE("one{one} other{not one}"), status);
276     if (U_FAILURE(status)) {
277         errln("SetLocale should reset rules but did not.");
278     }
279     UnicodeString one = UNICODE_STRING_SIMPLE("one");
280     UnicodeString notOne = UNICODE_STRING_SIMPLE("not one");
281     UnicodeString plResult, numResult;
282     for (int32_t i=0; i<20; ++i) {
283         plResult = pluralFmt.format(i, status);
284         if ( i==1 ) {
285             numResult = one;
286         }
287         else {
288             numResult = notOne;
289         }
290         if ( numResult != plResult ) {
291             errln("Wrong ruleset loaded by setLocale() - got:"+plResult+ UnicodeString("  expecting:")+numResult);
292         }
293     }
294 
295     // =========== Test copy constructor
296     logln("Test copy constructor and == operator of PluralFormat");
297     PluralFormat dupPFmt = PluralFormat(pluralFmt);
298     if (pluralFmt != dupPFmt) {
299         errln("Failed in PluralFormat copy constructor or == operator");
300     }
301 
302     delete plRules;
303     delete numFmt;
304 }
305 
306 
307 
308 /**
309  * Test locale data used in PluralFormat class.
310  */
311 void
pluralFormatLocaleTest()312 PluralFormatTest::pluralFormatLocaleTest(/*char *par*/)
313 {
314     int8_t pluralResults[PLURAL_TEST_ARRAY_SIZE];  // 0: is for default
315 
316     // ======= Test DefaultRule
317     logln("Testing PluralRules with no rule.");
318     const char* oneRuleLocales[4] = {"ja", "ko", "tr", "vi"};
319     UnicodeString testPattern = UNICODE_STRING_SIMPLE("other{other}");
320     uprv_memset(pluralResults, -1, sizeof(pluralResults));
321     pluralResults[0]= PFT_OTHER; // other
322     helperTestRusults(oneRuleLocales, 4, testPattern, pluralResults);
323 
324     // ====== Test Singular1 locales.
325     logln("Testing singular1 locales.");
326     const char* singular1Locales[52] = {"bem","da","de","el","en","eo","es","et","fi",
327                     "fo","gl","he","it","nb","nl","nn","no","pt","pt_PT","sv","af","bg","bn","ca","eu","fur","fy",
328                     "gu","ha","is","ku","lb","ml","mr","nah","ne","om","or","pa","pap","ps","so","sq","sw","ta",
329                     "te","tk","ur","zu","mn","gsw","rm"};
330     testPattern = UNICODE_STRING_SIMPLE("one{one} other{other}");
331     uprv_memset(pluralResults, -1, sizeof(pluralResults));
332     pluralResults[0]= PFT_OTHER;
333     pluralResults[1]= PFT_ONE;
334     pluralResults[2]= PFT_OTHER;
335     helperTestRusults(singular1Locales, 52, testPattern, pluralResults);
336 
337     // ======== Test Singular01 locales.
338     logln("Testing singular1 locales.");
339     const char* singular01Locales[3] = {"ff","fr","kab"};
340     testPattern = UNICODE_STRING_SIMPLE("one{one} other{other}");
341     uprv_memset(pluralResults, -1, sizeof(pluralResults));
342     pluralResults[0]= PFT_ONE;
343     pluralResults[2]= PFT_OTHER;
344     helperTestRusults(singular01Locales, 3, testPattern, pluralResults);
345 
346     // ======== Test ZeroSingular locales.
347     logln("Testing singular1 locales.");
348     const char* zeroSingularLocales[1] = {"lv"};
349     testPattern = UNICODE_STRING_SIMPLE("zero{zero} one{one} other{other}");
350     uprv_memset(pluralResults, -1, sizeof(pluralResults));
351     pluralResults[0]= PFT_ZERO;
352     pluralResults[1]= PFT_ONE;
353     pluralResults[2]= PFT_OTHER;
354     for (int32_t i=2; i<20; ++i) {
355         if (i==11)  continue;
356         pluralResults[i*10+1] = PFT_ONE;
357         pluralResults[i*10+2] = PFT_OTHER;
358     }
359     helperTestRusults(zeroSingularLocales, 1, testPattern, pluralResults);
360 
361     // ======== Test singular dual locales.
362     logln("Testing singular1 locales.");
363     const char* singularDualLocales[1] = {"ga"};
364     testPattern = UNICODE_STRING_SIMPLE("one{one} two{two} other{other}");
365     uprv_memset(pluralResults, -1, sizeof(pluralResults));
366     pluralResults[0]= PFT_OTHER;
367     pluralResults[1]= PFT_ONE;
368     pluralResults[2]= PFT_TWO;
369     pluralResults[3]= PFT_OTHER;
370     helperTestRusults(singularDualLocales, 1, testPattern, pluralResults);
371 
372     // ======== Test Singular Zero Some locales.
373     logln("Testing singular1 locales.");
374     const char* singularZeroSomeLocales[1] = {"ro"};
375     testPattern = UNICODE_STRING_SIMPLE("few{few} one{one} other{other}");
376     uprv_memset(pluralResults, -1, sizeof(pluralResults));
377     pluralResults[0]= PFT_FEW;
378     for (int32_t i=1; i<20; ++i) {
379         if (i==11)  continue;
380         pluralResults[i] = PFT_FEW;
381         pluralResults[100+i] = PFT_FEW;
382     }
383     pluralResults[1]= PFT_ONE;
384     helperTestRusults(singularZeroSomeLocales, 1, testPattern, pluralResults);
385 
386     // ======== Test Special 12/19.
387     logln("Testing special 12 and 19.");
388     const char* special12_19Locales[1] = {"lt"};
389     testPattern = UNICODE_STRING_SIMPLE("one{one} few{few} other{other}");
390     uprv_memset(pluralResults, -1, sizeof(pluralResults));
391     pluralResults[0]= PFT_OTHER;
392     pluralResults[1]= PFT_ONE;
393     pluralResults[2]= PFT_FEW;
394     pluralResults[10]= PFT_OTHER;
395     for (int32_t i=2; i<20; ++i) {
396         if (i==11)  continue;
397         pluralResults[i*10+1] = PFT_ONE;
398         pluralResults[i*10+2] = PFT_FEW;
399         pluralResults[(i+1)*10] = PFT_OTHER;
400     }
401     helperTestRusults(special12_19Locales, 1, testPattern, pluralResults);
402 
403     // ======== Test Paucal Except 11 14.
404     logln("Testing Paucal Except 11 and 14.");
405     const char* paucal01Locales[4] = {"hr","ru","sr","uk"};
406     testPattern = UNICODE_STRING_SIMPLE("one{one} many{many} few{few} other{other}");
407     uprv_memset(pluralResults, -1, sizeof(pluralResults));
408     pluralResults[0]= PFT_MANY;
409     pluralResults[1]= PFT_ONE;
410     pluralResults[2]= PFT_FEW;
411     pluralResults[5]= PFT_MANY;
412     pluralResults[6]= PFT_MANY;
413     pluralResults[7]= PFT_MANY;
414     pluralResults[8]= PFT_MANY;
415     pluralResults[9]= PFT_MANY;
416     for (int32_t i=2; i<20; ++i) {
417         if (i==11)  continue;
418         pluralResults[i*10+1] = PFT_ONE;
419         pluralResults[i*10+2] = PFT_FEW;
420         pluralResults[i*10+5] = PFT_MANY;
421         pluralResults[i*10+6] = PFT_MANY;
422         pluralResults[i*10+7] = PFT_MANY;
423         pluralResults[i*10+8] = PFT_MANY;
424         pluralResults[i*10+9] = PFT_MANY;
425     }
426     helperTestRusults(paucal01Locales, 4, testPattern, pluralResults);
427 
428     // ======== Test Singular Paucal.
429     logln("Testing Singular Paucal.");
430     const char* singularPaucalLocales[2] = {"cs","sk"};
431     testPattern = UNICODE_STRING_SIMPLE("one{one} few{few} other{other}");
432     uprv_memset(pluralResults, -1, sizeof(pluralResults));
433     pluralResults[0]= PFT_OTHER;
434     pluralResults[1]= PFT_ONE;
435     pluralResults[2]= PFT_FEW;
436     pluralResults[5]= PFT_OTHER;
437     helperTestRusults(singularPaucalLocales, 2, testPattern, pluralResults);
438 
439     // ======== Test Paucal (1), (2,3,4).
440     logln("Testing Paucal (1), (2,3,4).");
441     const char* paucal02Locales[1] = {"pl"};
442     testPattern = UNICODE_STRING_SIMPLE("one{one} few{few} other{other}");
443     uprv_memset(pluralResults, -1, sizeof(pluralResults));
444     pluralResults[0]= PFT_OTHER;
445     pluralResults[1]= PFT_ONE;
446     pluralResults[5]= PFT_OTHER;
447     for (int32_t i=0; i<20; ++i) {
448         if ((i==1)||(i==11)) {
449             pluralResults[i*10+2] = PFT_OTHER;
450             pluralResults[i*10+3] = PFT_OTHER;
451             pluralResults[i*10+4] = PFT_OTHER;
452         }
453         else {
454             pluralResults[i*10+2] = PFT_FEW;
455             pluralResults[i*10+3] = PFT_FEW;
456             pluralResults[i*10+4] = PFT_FEW;
457             pluralResults[i*10+5] = PFT_OTHER;
458         }
459     }
460     helperTestRusults(paucal02Locales, 1, testPattern, pluralResults);
461 
462     // ======== Test Paucal (1), (2), (3,4).
463     logln("Testing Paucal (1), (2), (3,4).");
464     const char* paucal03Locales[1] = {"sl"};
465     testPattern = UNICODE_STRING_SIMPLE("one{one} two{two} few{few} other{other}");
466     uprv_memset(pluralResults, -1, sizeof(pluralResults));
467     pluralResults[0]= PFT_OTHER;
468     pluralResults[1]= PFT_ONE;
469     pluralResults[2]= PFT_TWO;
470     pluralResults[3]= PFT_FEW;
471     pluralResults[5]= PFT_OTHER;
472     pluralResults[101]= PFT_ONE;
473     pluralResults[102]= PFT_TWO;
474     pluralResults[103]= PFT_FEW;
475     pluralResults[105]= PFT_OTHER;
476     helperTestRusults(paucal03Locales, 1, testPattern, pluralResults);
477 
478     // TODO: move this test to Unit Test after CLDR 1.6 is final and we support float
479     // ======= Test French "WITHIN rule
480     logln("Testing PluralRules with fr rule.");
481     testPattern = UNICODE_STRING_SIMPLE("one{one} other{other}");
482     Locale ulocale((const char *)"fr");
483     UErrorCode status = U_ZERO_ERROR;
484     PluralFormat plFmt(ulocale, testPattern, status);
485     if (U_FAILURE(status)) {
486         dataerrln("Failed to apply pattern to fr locale - %s", u_errorName(status));
487     }
488     else {
489         status = U_ZERO_ERROR;
490         UnicodeString plResult = plFmt.format(0.0, status);  // retrun ONE
491         plResult = plFmt.format(0.5, status);  // retrun ONE
492         plResult = plFmt.format(1.0, status);  // retrun ONE
493         plResult = plFmt.format(1.9, status);  // retrun ONE
494         plResult = plFmt.format(2.0, status);  // retrun OTHER
495     }
496 }
497 
498 void
pluralFormatExtendedTest(void)499 PluralFormatTest::pluralFormatExtendedTest(void) {
500   const char *targets[] = {
501     "There are no widgets.",
502     "There is one widget.",
503     "There is a bling widget and one other widget.",
504     "There is a bling widget and 2 other widgets.",
505     "There is a bling widget and 3 other widgets.",
506     "Widgets, five (5-1=4) there be.",
507     "There is a bling widget and 5 other widgets.",
508     "There is a bling widget and 6 other widgets.",
509   };
510 
511   const char* fmt =
512       "offset:1.0 "
513       "=0 {There are no widgets.} "
514       "=1.0 {There is one widget.} "
515       "=5 {Widgets, five (5-1=#) there be.} "
516       "one {There is a bling widget and one other widget.} "
517       "other {There is a bling widget and # other widgets.}";
518 
519   UErrorCode status = U_ZERO_ERROR;
520   UnicodeString fmtString(fmt, -1, US_INV);
521   PluralFormat pf(Locale::getEnglish(), fmtString, status);
522   MessageFormat mf(UNICODE_STRING_SIMPLE("{0,plural,").append(fmtString).append((UChar)0x7d /* '}' */),
523                    Locale::getEnglish(), status);
524   Formattable args;
525   FieldPosition ignore;
526   if (U_FAILURE(status)) {
527     dataerrln("Failed to apply pattern - %s", u_errorName(status));
528     return;
529   }
530   for (int32_t i = 0; i < 7; ++i) {
531     UnicodeString result = pf.format(i, status);
532     if (U_FAILURE(status)) {
533       errln("PluralFormat.format(value %d) failed - %s", i, u_errorName(status));
534       return;
535     }
536     UnicodeString expected(targets[i], -1, US_INV);
537     if (expected != result) {
538       UnicodeString message("PluralFormat.format(): Expected '", -1, US_INV);
539       message.append(expected);
540       message.append(UnicodeString("' but got '", -1, US_INV));
541       message.append(result);
542       message.append("'", -1, US_INV);
543       errln(message);
544     }
545     args.setLong(i);
546     mf.format(&args, 1, result.remove(), ignore, status);
547     if (U_FAILURE(status)) {
548       errln("MessageFormat.format(value %d) failed - %s", i, u_errorName(status));
549       return;
550     }
551     if (expected != result) {
552       UnicodeString message("MessageFormat.format(): Expected '", -1, US_INV);
553       message.append(expected);
554       message.append(UnicodeString("' but got '", -1, US_INV));
555       message.append(result);
556       message.append("'", -1, US_INV);
557       errln(message);
558     }
559   }
560 }
561 
562 void
pluralFormatExtendedParseTest(void)563 PluralFormatTest::pluralFormatExtendedParseTest(void) {
564   const char *failures[] = {
565     "offset:1..0 =0 {Foo}",
566     "offset:1.0 {Foo}",
567     "=0= {Foo}",
568     "=0 {Foo} =0.0 {Bar}",
569     " = {Foo}",
570   };
571   int len = sizeof(failures)/sizeof(failures[0]);
572 
573   for (int i = 0; i < len; ++i) {
574     UErrorCode status = U_ZERO_ERROR;
575     UnicodeString fmt(failures[i], -1, US_INV);
576     PluralFormat pf(fmt, status);
577     if (U_SUCCESS(status)) {
578       errln("expected failure when parsing '" + fmt + "'");
579     }
580   }
581 }
582 
583 void
numberFormatTest(PluralFormat * plFmt,NumberFormat * numFmt,int32_t start,int32_t end,UnicodeString * numOddAppendStr,UnicodeString * numEvenAppendStr,UBool overwrite,UnicodeString * message)584 PluralFormatTest::numberFormatTest(PluralFormat* plFmt,
585                                    NumberFormat *numFmt,
586                                    int32_t start,
587                                    int32_t end,
588                                    UnicodeString *numOddAppendStr,
589                                    UnicodeString *numEvenAppendStr,
590                                    UBool overwrite,  // overwrite the numberFormat.format result
591                                    UnicodeString *message) {
592     UErrorCode status = U_ZERO_ERROR;
593 
594     if ( (plFmt==NULL) || (numFmt==NULL) ) {
595         dataerrln("ERROR: Could not create PluralFormat or NumberFormat - exitting");
596         return;
597     }
598     UnicodeString plResult, numResult ;
599 
600     for (int32_t i=start; i<= end; ++i ) {
601         numResult.remove();
602         numResult = numFmt->format(i, numResult);
603         plResult = plFmt->format(i, status);
604         if ((numOddAppendStr!= NULL)&&(numEvenAppendStr!=NULL)) {
605             if (overwrite) {
606                 if (i&1) {
607                     numResult = *numOddAppendStr;
608                 }
609                 else {
610                     numResult = *numEvenAppendStr;
611                 }
612             }
613             else {  // Append the string
614                 if (i&1) {
615                     numResult += *numOddAppendStr;
616                 }
617                 else{
618                     numResult += *numEvenAppendStr;
619                 }
620             }
621         }
622         if ( (numResult!=plResult) || U_FAILURE(status) ) {
623             if ( message == NULL ) {
624                 errln("ERROR: Unexpected plural format - got:"+plResult+ UnicodeString("  expecting:")+numResult);
625             }
626             else {
627                 errln( *message+UnicodeString("  got:")+plResult+UnicodeString("  expecting:")+numResult);
628 
629             }
630         }
631     }
632     return;
633 }
634 
635 
636 void
helperTestRusults(const char ** localeArray,int32_t capacityOfArray,UnicodeString & testPattern,int8_t * expResults)637 PluralFormatTest::helperTestRusults(const char** localeArray,
638                                     int32_t capacityOfArray,
639                                     UnicodeString& testPattern,
640                                     int8_t *expResults) {
641     UErrorCode status;
642     UnicodeString plResult;
643     const UnicodeString PLKeywordLookups[6] = {
644         UNICODE_STRING_SIMPLE("zero"),
645         UNICODE_STRING_SIMPLE("one"),
646         UNICODE_STRING_SIMPLE("two"),
647         UNICODE_STRING_SIMPLE("few"),
648         UNICODE_STRING_SIMPLE("many"),
649         UNICODE_STRING_SIMPLE("other"),
650     };
651 
652     for (int32_t i=0; i<capacityOfArray; ++i) {
653         const char *locale = localeArray[i];
654         Locale ulocale((const char *)locale);
655         status = U_ZERO_ERROR;
656         PluralFormat plFmt(ulocale, testPattern, status);
657         if (U_FAILURE(status)) {
658             dataerrln("Failed to apply pattern to locale:"+UnicodeString(localeArray[i]) + " - " + u_errorName(status));
659             continue;
660         }
661         for (int32_t n=0; n<PLURAL_TEST_ARRAY_SIZE; ++n) {
662             if (expResults[n]!=-1) {
663                 status = U_ZERO_ERROR;
664                 plResult = plFmt.format(n, status);
665                 if (U_FAILURE(status)) {
666                     errln("ERROR: Failed to format number in locale data tests with locale: "+
667                            UnicodeString(localeArray[i]));
668                 }
669                 if (plResult != PLKeywordLookups[expResults[n]]){
670                     plResult = plFmt.format(n, status);
671                     errln("ERROR: Unexpected format result in locale: "+UnicodeString(localeArray[i])+
672                           UnicodeString("  got:")+plResult+ UnicodeString("  expecting:")+
673                           PLKeywordLookups[expResults[n]]);
674                 }
675             }
676         }
677     }
678 }
679 
680 #endif /* #if !UCONFIG_NO_FORMATTING */
681