1 /*
2 *******************************************************************************
3 * Copyright (C) 2007-2014, International Business Machines Corporation and
4 * others. All Rights Reserved.
5 ********************************************************************************
6
7 * File PLURRULTS.cpp
8 *
9 ********************************************************************************
10 */
11
12 #include "unicode/utypes.h"
13
14 #if !UCONFIG_NO_FORMATTING
15
16 #include <stdlib.h>
17 #include <stdarg.h>
18 #include <string.h>
19
20 #include "unicode/localpointer.h"
21 #include "unicode/plurrule.h"
22 #include "unicode/stringpiece.h"
23
24 #include "cmemory.h"
25 #include "digitlst.h"
26 #include "plurrule_impl.h"
27 #include "plurults.h"
28 #include "uhash.h"
29
30 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof(array[0]))
31
32 void setupResult(const int32_t testSource[], char result[], int32_t* max);
33 UBool checkEqual(const PluralRules &test, char *result, int32_t max);
34 UBool testEquality(const PluralRules &test);
35
36 // This is an API test, not a unit test. It doesn't test very many cases, and doesn't
37 // try to test the full functionality. It just calls each function in the class and
38 // verifies that it works on a basic level.
39
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)40 void PluralRulesTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
41 {
42 if (exec) logln("TestSuite PluralRulesAPI");
43 TESTCASE_AUTO_BEGIN;
44 TESTCASE_AUTO(testAPI);
45 // TESTCASE_AUTO(testGetUniqueKeywordValue);
46 TESTCASE_AUTO(testGetSamples);
47 TESTCASE_AUTO(testWithin);
48 TESTCASE_AUTO(testGetAllKeywordValues);
49 TESTCASE_AUTO(testOrdinal);
50 TESTCASE_AUTO(testSelect);
51 TESTCASE_AUTO(testAvailbleLocales);
52 TESTCASE_AUTO(testParseErrors);
53 TESTCASE_AUTO(testFixedDecimal);
54 TESTCASE_AUTO_END;
55 }
56
57
58 // Quick and dirty class for putting UnicodeStrings in char * messages.
59 // TODO: something like this should be generally available.
60 class US {
61 private:
62 char *buf;
63 public:
US(const UnicodeString & us)64 US(const UnicodeString &us) {
65 int32_t bufLen = us.extract((int32_t)0, us.length(), (char *)NULL, (uint32_t)0) + 1;
66 buf = (char *)uprv_malloc(bufLen);
67 us.extract(0, us.length(), buf, bufLen); };
cstr()68 const char *cstr() {return buf;};
~US()69 ~US() { uprv_free(buf);};
70 };
71
72
73
74
75
76 #define PLURAL_TEST_NUM 18
77 /**
78 * Test various generic API methods of PluralRules for API coverage.
79 */
testAPI()80 void PluralRulesTest::testAPI(/*char *par*/)
81 {
82 UnicodeString pluralTestData[PLURAL_TEST_NUM] = {
83 UNICODE_STRING_SIMPLE("a: n is 1"),
84 UNICODE_STRING_SIMPLE("a: n mod 10 is 2"),
85 UNICODE_STRING_SIMPLE("a: n is not 1"),
86 UNICODE_STRING_SIMPLE("a: n mod 3 is not 1"),
87 UNICODE_STRING_SIMPLE("a: n in 2..5"),
88 UNICODE_STRING_SIMPLE("a: n within 2..5"),
89 UNICODE_STRING_SIMPLE("a: n not in 2..5"),
90 UNICODE_STRING_SIMPLE("a: n not within 2..5"),
91 UNICODE_STRING_SIMPLE("a: n mod 10 in 2..5"),
92 UNICODE_STRING_SIMPLE("a: n mod 10 within 2..5"),
93 UNICODE_STRING_SIMPLE("a: n mod 10 is 2 and n is not 12"),
94 UNICODE_STRING_SIMPLE("a: n mod 10 in 2..3 or n mod 10 is 5"),
95 UNICODE_STRING_SIMPLE("a: n mod 10 within 2..3 or n mod 10 is 5"),
96 UNICODE_STRING_SIMPLE("a: n is 1 or n is 4 or n is 23"),
97 UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n in 1..11"),
98 UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n within 1..11"),
99 UNICODE_STRING_SIMPLE("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6"),
100 "",
101 };
102 static const int32_t pluralTestResult[PLURAL_TEST_NUM][30] = {
103 {1, 0},
104 {2,12,22, 0},
105 {0,2,3,4,5,0},
106 {0,2,3,5,6,8,9,0},
107 {2,3,4,5,0},
108 {2,3,4,5,0},
109 {0,1,6,7,8, 0},
110 {0,1,6,7,8, 0},
111 {2,3,4,5,12,13,14,15,22,23,24,25,0},
112 {2,3,4,5,12,13,14,15,22,23,24,25,0},
113 {2,22,32,42,0},
114 {2,3,5,12,13,15,22,23,25,0},
115 {2,3,5,12,13,15,22,23,25,0},
116 {1,4,23,0},
117 {1,5,7,9,11,0},
118 {1,5,7,9,11,0},
119 {1,3,5,7,9,11,13,15,16,0},
120 };
121 UErrorCode status = U_ZERO_ERROR;
122
123 // ======= Test constructors
124 logln("Testing PluralRules constructors");
125
126
127 logln("\n start default locale test case ..\n");
128
129 PluralRules defRule(status);
130 LocalPointer<PluralRules> test(new PluralRules(status));
131 LocalPointer<PluralRules> newEnPlural(test->forLocale(Locale::getEnglish(), status));
132 if(U_FAILURE(status)) {
133 dataerrln("ERROR: Could not create PluralRules (default) - exitting");
134 return;
135 }
136
137 // ======= Test clone, assignment operator && == operator.
138 LocalPointer<PluralRules> dupRule(defRule.clone());
139 if (dupRule==NULL) {
140 errln("ERROR: clone plural rules test failed!");
141 return;
142 } else {
143 if ( *dupRule != defRule ) {
144 errln("ERROR: clone plural rules test failed!");
145 }
146 }
147 *dupRule = *newEnPlural;
148 if (dupRule!=NULL) {
149 if ( *dupRule != *newEnPlural ) {
150 errln("ERROR: clone plural rules test failed!");
151 }
152 }
153
154 // ======= Test empty plural rules
155 logln("Testing Simple PluralRules");
156
157 LocalPointer<PluralRules> empRule(test->createRules(UNICODE_STRING_SIMPLE("a:n"), status));
158 UnicodeString key;
159 for (int32_t i=0; i<10; ++i) {
160 key = empRule->select(i);
161 if ( key.charAt(0)!= 0x61 ) { // 'a'
162 errln("ERROR: empty plural rules test failed! - exitting");
163 }
164 }
165
166 // ======= Test simple plural rules
167 logln("Testing Simple PluralRules");
168
169 char result[100];
170 int32_t max;
171
172 for (int32_t i=0; i<PLURAL_TEST_NUM-1; ++i) {
173 LocalPointer<PluralRules> newRules(test->createRules(pluralTestData[i], status));
174 setupResult(pluralTestResult[i], result, &max);
175 if ( !checkEqual(*newRules, result, max) ) {
176 errln("ERROR: simple plural rules failed! - exitting");
177 return;
178 }
179 }
180
181 // ======= Test complex plural rules
182 logln("Testing Complex PluralRules");
183 // TODO: the complex test data is hard coded. It's better to implement
184 // a parser to parse the test data.
185 UnicodeString complexRule = UNICODE_STRING_SIMPLE("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1");
186 UnicodeString complexRule2 = UNICODE_STRING_SIMPLE("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1");
187 char cRuleResult[] =
188 {
189 0x6F, // 'o'
190 0x63, // 'c'
191 0x61, // 'a'
192 0x61, // 'a'
193 0x61, // 'a'
194 0x61, // 'a'
195 0x62, // 'b'
196 0x62, // 'b'
197 0x62, // 'b'
198 0x63, // 'c'
199 0x6F, // 'o'
200 0x63 // 'c'
201 };
202 LocalPointer<PluralRules> newRules(test->createRules(complexRule, status));
203 if ( !checkEqual(*newRules, cRuleResult, 12) ) {
204 errln("ERROR: complex plural rules failed! - exitting");
205 return;
206 }
207 newRules.adoptInstead(test->createRules(complexRule2, status));
208 if ( !checkEqual(*newRules, cRuleResult, 12) ) {
209 errln("ERROR: complex plural rules failed! - exitting");
210 return;
211 }
212
213 // ======= Test decimal fractions plural rules
214 UnicodeString decimalRule= UNICODE_STRING_SIMPLE("a: n not in 0..100;");
215 UnicodeString KEYWORD_A = UNICODE_STRING_SIMPLE("a");
216 status = U_ZERO_ERROR;
217 newRules.adoptInstead(test->createRules(decimalRule, status));
218 if (U_FAILURE(status)) {
219 dataerrln("ERROR: Could not create PluralRules for testing fractions - exitting");
220 return;
221 }
222 double fData[] = {-101, -100, -1, -0.0, 0, 0.1, 1, 1.999, 2.0, 100, 100.001 };
223 UBool isKeywordA[] = {TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, TRUE };
224 for (int32_t i=0; i<LENGTHOF(fData); i++) {
225 if ((newRules->select(fData[i])== KEYWORD_A) != isKeywordA[i]) {
226 errln("File %s, Line %d, ERROR: plural rules for decimal fractions test failed!\n"
227 " number = %g, expected %s", __FILE__, __LINE__, fData[i], isKeywordA[i]?"TRUE":"FALSE");
228 }
229 }
230
231 // ======= Test Equality
232 logln("Testing Equality of PluralRules");
233
234 if ( !testEquality(*test) ) {
235 errln("ERROR: complex plural rules failed! - exitting");
236 return;
237 }
238
239
240 // ======= Test getStaticClassID()
241 logln("Testing getStaticClassID()");
242
243 if(test->getDynamicClassID() != PluralRules::getStaticClassID()) {
244 errln("ERROR: getDynamicClassID() didn't return the expected value");
245 }
246 // ====== Test fallback to parent locale
247 LocalPointer<PluralRules> en_UK(test->forLocale(Locale::getUK(), status));
248 LocalPointer<PluralRules> en(test->forLocale(Locale::getEnglish(), status));
249 if (en_UK.isValid() && en.isValid()) {
250 if ( *en_UK != *en ) {
251 errln("ERROR: test locale fallback failed!");
252 }
253 }
254
255 LocalPointer<PluralRules> zh_Hant(test->forLocale(Locale::getTaiwan(), status));
256 LocalPointer<PluralRules> zh(test->forLocale(Locale::getChinese(), status));
257 if (zh_Hant.isValid() && zh.isValid()) {
258 if ( *zh_Hant != *zh ) {
259 errln("ERROR: test locale fallback failed!");
260 }
261 }
262 }
263
setupResult(const int32_t testSource[],char result[],int32_t * max)264 void setupResult(const int32_t testSource[], char result[], int32_t* max) {
265 int32_t i=0;
266 int32_t curIndex=0;
267
268 do {
269 while (curIndex < testSource[i]) {
270 result[curIndex++]=0x6F; //'o' other
271 }
272 result[curIndex++]=0x61; // 'a'
273
274 } while(testSource[++i]>0);
275 *max=curIndex;
276 }
277
278
checkEqual(const PluralRules & test,char * result,int32_t max)279 UBool checkEqual(const PluralRules &test, char *result, int32_t max) {
280 UnicodeString key;
281 UBool isEqual = TRUE;
282 for (int32_t i=0; i<max; ++i) {
283 key= test.select(i);
284 if ( key.charAt(0)!=result[i] ) {
285 isEqual = FALSE;
286 }
287 }
288 return isEqual;
289 }
290
291
292
293 static const int32_t MAX_EQ_ROW = 2;
294 static const int32_t MAX_EQ_COL = 5;
testEquality(const PluralRules & test)295 UBool testEquality(const PluralRules &test) {
296 UnicodeString testEquRules[MAX_EQ_ROW][MAX_EQ_COL] = {
297 { UNICODE_STRING_SIMPLE("a: n in 2..3"),
298 UNICODE_STRING_SIMPLE("a: n is 2 or n is 3"),
299 UNICODE_STRING_SIMPLE( "a:n is 3 and n in 2..5 or n is 2"),
300 "",
301 },
302 { UNICODE_STRING_SIMPLE("a: n is 12; b:n mod 10 in 2..3"),
303 UNICODE_STRING_SIMPLE("b: n mod 10 in 2..3 and n is not 12; a: n in 12..12"),
304 UNICODE_STRING_SIMPLE("b: n is 13; a: n in 12..13; b: n mod 10 is 2 or n mod 10 is 3"),
305 "",
306 }
307 };
308 UErrorCode status = U_ZERO_ERROR;
309 UnicodeString key[MAX_EQ_COL];
310 UBool ret=TRUE;
311 for (int32_t i=0; i<MAX_EQ_ROW; ++i) {
312 PluralRules* rules[MAX_EQ_COL];
313
314 for (int32_t j=0; j<MAX_EQ_COL; ++j) {
315 rules[j]=NULL;
316 }
317 int32_t totalRules=0;
318 while((totalRules<MAX_EQ_COL) && (testEquRules[i][totalRules].length()>0) ) {
319 rules[totalRules]=test.createRules(testEquRules[i][totalRules], status);
320 totalRules++;
321 }
322 for (int32_t n=0; n<300 && ret ; ++n) {
323 for(int32_t j=0; j<totalRules;++j) {
324 key[j] = rules[j]->select(n);
325 }
326 for(int32_t j=0; j<totalRules-1;++j) {
327 if (key[j]!=key[j+1]) {
328 ret= FALSE;
329 break;
330 }
331 }
332
333 }
334 for (int32_t j=0; j<MAX_EQ_COL; ++j) {
335 if (rules[j]!=NULL) {
336 delete rules[j];
337 }
338 }
339 }
340
341 return ret;
342 }
343
344 void
assertRuleValue(const UnicodeString & rule,double expected)345 PluralRulesTest::assertRuleValue(const UnicodeString& rule, double expected) {
346 assertRuleKeyValue("a:" + rule, "a", expected);
347 }
348
349 void
assertRuleKeyValue(const UnicodeString & rule,const UnicodeString & key,double expected)350 PluralRulesTest::assertRuleKeyValue(const UnicodeString& rule,
351 const UnicodeString& key, double expected) {
352 UErrorCode status = U_ZERO_ERROR;
353 PluralRules *pr = PluralRules::createRules(rule, status);
354 double result = pr->getUniqueKeywordValue(key);
355 delete pr;
356 if (expected != result) {
357 errln("expected %g but got %g", expected, result);
358 }
359 }
360
361 // TODO: UniqueKeywordValue() is not currently supported.
362 // If it never will be, this test code should be removed.
testGetUniqueKeywordValue()363 void PluralRulesTest::testGetUniqueKeywordValue() {
364 assertRuleValue("n is 1", 1);
365 assertRuleValue("n in 2..2", 2);
366 assertRuleValue("n within 2..2", 2);
367 assertRuleValue("n in 3..4", UPLRULES_NO_UNIQUE_VALUE);
368 assertRuleValue("n within 3..4", UPLRULES_NO_UNIQUE_VALUE);
369 assertRuleValue("n is 2 or n is 2", 2);
370 assertRuleValue("n is 2 and n is 2", 2);
371 assertRuleValue("n is 2 or n is 3", UPLRULES_NO_UNIQUE_VALUE);
372 assertRuleValue("n is 2 and n is 3", UPLRULES_NO_UNIQUE_VALUE);
373 assertRuleValue("n is 2 or n in 2..3", UPLRULES_NO_UNIQUE_VALUE);
374 assertRuleValue("n is 2 and n in 2..3", 2);
375 assertRuleKeyValue("a: n is 1", "not_defined", UPLRULES_NO_UNIQUE_VALUE); // key not defined
376 assertRuleKeyValue("a: n is 1", "other", UPLRULES_NO_UNIQUE_VALUE); // key matches default rule
377 }
378
testGetSamples()379 void PluralRulesTest::testGetSamples() {
380 // TODO: fix samples, re-enable this test.
381
382 // no get functional equivalent API in ICU4C, so just
383 // test every locale...
384 UErrorCode status = U_ZERO_ERROR;
385 int32_t numLocales;
386 const Locale* locales = Locale::getAvailableLocales(numLocales);
387
388 double values[1000];
389 for (int32_t i = 0; U_SUCCESS(status) && i < numLocales; ++i) {
390 PluralRules *rules = PluralRules::forLocale(locales[i], status);
391 if (U_FAILURE(status)) {
392 break;
393 }
394 StringEnumeration *keywords = rules->getKeywords(status);
395 if (U_FAILURE(status)) {
396 delete rules;
397 break;
398 }
399 const UnicodeString* keyword;
400 while (NULL != (keyword = keywords->snext(status))) {
401 int32_t count = rules->getSamples(*keyword, values, LENGTHOF(values), status);
402 if (U_FAILURE(status)) {
403 errln(UNICODE_STRING_SIMPLE("getSamples() failed for locale ") +
404 locales[i].getName() +
405 UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
406 continue;
407 }
408 if (count == 0) {
409 // TODO: Lots of these.
410 // errln(UNICODE_STRING_SIMPLE("no samples for keyword ") + *keyword + UNICODE_STRING_SIMPLE(" in locale ") + locales[i].getName() );
411 }
412 if (count > LENGTHOF(values)) {
413 errln(UNICODE_STRING_SIMPLE("getSamples()=") + count +
414 UNICODE_STRING_SIMPLE(", too many values, for locale ") +
415 locales[i].getName() +
416 UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
417 count = LENGTHOF(values);
418 }
419 for (int32_t j = 0; j < count; ++j) {
420 if (values[j] == UPLRULES_NO_UNIQUE_VALUE) {
421 errln("got 'no unique value' among values");
422 } else {
423 UnicodeString resultKeyword = rules->select(values[j]);
424 // if (strcmp(locales[i].getName(), "uk") == 0) { // Debug only.
425 // std::cout << " uk " << US(resultKeyword).cstr() << " " << values[j] << std::endl;
426 // }
427 if (*keyword != resultKeyword) {
428 errln("file %s, line %d, Locale %s, sample for keyword \"%s\": %g, select(%g) returns keyword \"%s\"",
429 __FILE__, __LINE__, locales[i].getName(), US(*keyword).cstr(), values[j], values[j], US(resultKeyword).cstr());
430 }
431 }
432 }
433 }
434 delete keywords;
435 delete rules;
436 }
437 }
438
testWithin()439 void PluralRulesTest::testWithin() {
440 // goes to show you what lack of testing will do.
441 // of course, this has been broken for two years and no one has noticed...
442 UErrorCode status = U_ZERO_ERROR;
443 PluralRules *rules = PluralRules::createRules("a: n mod 10 in 5..8", status);
444 if (!rules) {
445 errln("couldn't instantiate rules");
446 return;
447 }
448
449 UnicodeString keyword = rules->select((int32_t)26);
450 if (keyword != "a") {
451 errln("expected 'a' for 26 but didn't get it.");
452 }
453
454 keyword = rules->select(26.5);
455 if (keyword != "other") {
456 errln("expected 'other' for 26.5 but didn't get it.");
457 }
458
459 delete rules;
460 }
461
462 void
testGetAllKeywordValues()463 PluralRulesTest::testGetAllKeywordValues() {
464 const char* data[] = {
465 "a: n in 2..5", "a: 2,3,4,5; other: null; b:",
466 "a: n not in 2..5", "a: null; other: null",
467 "a: n within 2..5", "a: null; other: null",
468 "a: n not within 2..5", "a: null; other: null",
469 "a: n in 2..5 or n within 6..8", "a: null", // ignore 'other' here on out, always null
470 "a: n in 2..5 and n within 6..8", "a:",
471 "a: n in 2..5 and n within 5..8", "a: 5",
472 "a: n within 2..5 and n within 6..8", "a:", // our sampling catches these
473 "a: n within 2..5 and n within 5..8", "a: 5", // ''
474 "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5", "a: 2,4",
475 "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5 "
476 "or n within 5..6 and n within 6..7", "a: null", // but not this...
477 "a: n mod 3 is 0", "a: null",
478 "a: n mod 3 is 0 and n within 1..2", "a:",
479 "a: n mod 3 is 0 and n within 0..5", "a: 0,3",
480 "a: n mod 3 is 0 and n within 0..6", "a: null", // similarly with mod, we don't catch...
481 "a: n mod 3 is 0 and n in 3..12", "a: 3,6,9,12",
482 NULL
483 };
484
485 for (int i = 0; data[i] != NULL; i += 2) {
486 UErrorCode status = U_ZERO_ERROR;
487 UnicodeString ruleDescription(data[i], -1, US_INV);
488 const char* result = data[i+1];
489
490 logln("[%d] %s", i >> 1, data[i]);
491
492 PluralRules *p = PluralRules::createRules(ruleDescription, status);
493 if (p == NULL || U_FAILURE(status)) {
494 errln("file %s, line %d: could not create rules from '%s'\n"
495 " ErrorCode: %s\n",
496 __FILE__, __LINE__, data[i], u_errorName(status));
497 continue;
498 }
499
500 // TODO: fix samples implementation, re-enable test.
501 (void)result;
502 #if 0
503
504 const char* rp = result;
505 while (*rp) {
506 while (*rp == ' ') ++rp;
507 if (!rp) {
508 break;
509 }
510
511 const char* ep = rp;
512 while (*ep && *ep != ':') ++ep;
513
514 status = U_ZERO_ERROR;
515 UnicodeString keyword(rp, ep - rp, US_INV);
516 double samples[4]; // no test above should have more samples than 4
517 int32_t count = p->getAllKeywordValues(keyword, &samples[0], 4, status);
518 if (U_FAILURE(status)) {
519 errln("error getting samples for %s", rp);
520 break;
521 }
522
523 if (count > 4) {
524 errln("count > 4 for keyword %s", rp);
525 count = 4;
526 }
527
528 if (*ep) {
529 ++ep; // skip colon
530 while (*ep && *ep == ' ') ++ep; // and spaces
531 }
532
533 UBool ok = TRUE;
534 if (count == -1) {
535 if (*ep != 'n') {
536 errln("expected values for keyword %s but got -1 (%s)", rp, ep);
537 ok = FALSE;
538 }
539 } else if (*ep == 'n') {
540 errln("expected count of -1, got %d, for keyword %s (%s)", count, rp, ep);
541 ok = FALSE;
542 }
543
544 // We'll cheat a bit here. The samples happend to be in order and so are our
545 // expected values, so we'll just test in order until a failure. If the
546 // implementation changes to return samples in an arbitrary order, this test
547 // must change. There's no actual restriction on the order of the samples.
548
549 for (int j = 0; ok && j < count; ++j ) { // we've verified count < 4
550 double val = samples[j];
551 if (*ep == 0 || *ep == ';') {
552 errln("got unexpected value[%d]: %g", j, val);
553 ok = FALSE;
554 break;
555 }
556 char* xp;
557 double expectedVal = strtod(ep, &xp);
558 if (xp == ep) {
559 // internal error
560 errln("yikes!");
561 ok = FALSE;
562 break;
563 }
564 ep = xp;
565 if (expectedVal != val) {
566 errln("expected %g but got %g", expectedVal, val);
567 ok = FALSE;
568 break;
569 }
570 if (*ep == ',') ++ep;
571 }
572
573 if (ok && count != -1) {
574 if (!(*ep == 0 || *ep == ';')) {
575 errln("file: %s, line %d, didn't get expected value: %s", __FILE__, __LINE__, ep);
576 ok = FALSE;
577 }
578 }
579
580 while (*ep && *ep != ';') ++ep;
581 if (*ep == ';') ++ep;
582 rp = ep;
583 }
584 #endif
585 delete p;
586 }
587 }
588
testOrdinal()589 void PluralRulesTest::testOrdinal() {
590 IcuTestErrorCode errorCode(*this, "testOrdinal");
591 LocalPointer<PluralRules> pr(PluralRules::forLocale("en", UPLURAL_TYPE_ORDINAL, errorCode));
592 if (errorCode.logIfFailureAndReset("PluralRules::forLocale(en, UPLURAL_TYPE_ORDINAL) failed")) {
593 return;
594 }
595 UnicodeString keyword = pr->select(2.);
596 if (keyword != UNICODE_STRING("two", 3)) {
597 dataerrln("PluralRules(en-ordinal).select(2) failed");
598 }
599 }
600
601
602 static const char * END_MARK = "999.999"; // Mark end of varargs data.
603
checkSelect(const LocalPointer<PluralRules> & rules,UErrorCode & status,int32_t line,const char * keyword,...)604 void PluralRulesTest::checkSelect(const LocalPointer<PluralRules> &rules, UErrorCode &status,
605 int32_t line, const char *keyword, ...) {
606 // The varargs parameters are a const char* strings, each being a decimal number.
607 // The formatting of the numbers as strings is significant, e.g.
608 // the difference between "2" and "2.0" can affect which rule matches (which keyword is selected).
609 // Note: rules parameter is a LocalPointer reference rather than a PluralRules * to avoid having
610 // to write getAlias() at every (numerous) call site.
611
612 if (U_FAILURE(status)) {
613 errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
614 status = U_ZERO_ERROR;
615 return;
616 }
617
618 if (rules == NULL) {
619 errln("file %s, line %d: rules pointer is NULL", __FILE__, line);
620 return;
621 }
622
623 va_list ap;
624 va_start(ap, keyword);
625 for (;;) {
626 const char *num = va_arg(ap, const char *);
627 if (strcmp(num, END_MARK) == 0) {
628 break;
629 }
630
631 // DigitList is a convenient way to parse the decimal number string and get a double.
632 DigitList dl;
633 dl.set(StringPiece(num), status);
634 if (U_FAILURE(status)) {
635 errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
636 status = U_ZERO_ERROR;
637 continue;
638 }
639 double numDbl = dl.getDouble();
640 const char *decimalPoint = strchr(num, '.');
641 int fractionDigitCount = decimalPoint == NULL ? 0 : (num + strlen(num) - 1) - decimalPoint;
642 int fractionDigits = fractionDigitCount == 0 ? 0 : atoi(decimalPoint + 1);
643 FixedDecimal ni(numDbl, fractionDigitCount, fractionDigits);
644
645 UnicodeString actualKeyword = rules->select(ni);
646 if (actualKeyword != UnicodeString(keyword)) {
647 errln("file %s, line %d, select(%s) returned incorrect keyword. Expected %s, got %s",
648 __FILE__, line, num, keyword, US(actualKeyword).cstr());
649 }
650 }
651 va_end(ap);
652 }
653
testSelect()654 void PluralRulesTest::testSelect() {
655 UErrorCode status = U_ZERO_ERROR;
656 LocalPointer<PluralRules> pr(PluralRules::createRules("s: n in 1,3,4,6", status));
657 checkSelect(pr, status, __LINE__, "s", "1.0", "3.0", "4.0", "6.0", END_MARK);
658 checkSelect(pr, status, __LINE__, "other", "0.0", "2.0", "3.1", "7.0", END_MARK);
659
660 pr.adoptInstead(PluralRules::createRules("s: n not in 1,3,4,6", status));
661 checkSelect(pr, status, __LINE__, "other", "1.0", "3.0", "4.0", "6.0", END_MARK);
662 checkSelect(pr, status, __LINE__, "s", "0.0", "2.0", "3.1", "7.0", END_MARK);
663
664 pr.adoptInstead(PluralRules::createRules("r: n in 1..4, 7..10, 14 .. 17;"
665 "s: n is 29;", status));
666 checkSelect(pr, status, __LINE__, "r", "1.0", "3.0", "7.0", "8.0", "10.0", "14.0", "17.0", END_MARK);
667 checkSelect(pr, status, __LINE__, "s", "29.0", END_MARK);
668 checkSelect(pr, status, __LINE__, "other", "28.0", "29.1", END_MARK);
669
670 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 1; b: n mod 100 is 0 ", status));
671 checkSelect(pr, status, __LINE__, "a", "1", "11", "41", "101", "301.00", END_MARK);
672 checkSelect(pr, status, __LINE__, "b", "0", "100", "200.0", "300.", "1000", "1100", "110000", END_MARK);
673 checkSelect(pr, status, __LINE__, "other", "0.01", "1.01", "0.99", "2", "3", "99", "102", END_MARK);
674
675 // Rules that end with or without a ';' and with or without trailing spaces.
676 // (There was a rule parser bug here with these.)
677 pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
678 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
679 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
680
681 pr.adoptInstead(PluralRules::createRules("a: n is 1 ", status));
682 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
683 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
684
685 pr.adoptInstead(PluralRules::createRules("a: n is 1;", status));
686 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
687 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
688
689 pr.adoptInstead(PluralRules::createRules("a: n is 1 ; ", status));
690 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
691 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
692
693 // First match when rules for different keywords are not disjoint.
694 // Also try spacing variations around ':' and '..'
695 pr.adoptInstead(PluralRules::createRules("c: n in 5..15; b : n in 1..10 ;a:n in 10 .. 20", status));
696 checkSelect(pr, status, __LINE__, "a", "20", END_MARK);
697 checkSelect(pr, status, __LINE__, "b", "1", END_MARK);
698 checkSelect(pr, status, __LINE__, "c", "10", END_MARK);
699 checkSelect(pr, status, __LINE__, "other", "0", "21", "10.1", END_MARK);
700
701 // in vs within
702 pr.adoptInstead(PluralRules::createRules("a: n in 2..10; b: n within 8..15", status));
703 checkSelect(pr, status, __LINE__, "a", "2", "8", "10", END_MARK);
704 checkSelect(pr, status, __LINE__, "b", "8.01", "9.5", "11", "14.99", "15", END_MARK);
705 checkSelect(pr, status, __LINE__, "other", "1", "7.7", "15.01", "16", END_MARK);
706
707 // OR and AND chains.
708 pr.adoptInstead(PluralRules::createRules("a: n in 2..10 and n in 4..12 and n not in 5..7", status));
709 checkSelect(pr, status, __LINE__, "a", "4", "8", "9", "10", END_MARK);
710 checkSelect(pr, status, __LINE__, "other", "2", "3", "5", "7", "11", END_MARK);
711 pr.adoptInstead(PluralRules::createRules("a: n is 2 or n is 5 or n in 7..11 and n in 11..13", status));
712 checkSelect(pr, status, __LINE__, "a", "2", "5", "11", END_MARK);
713 checkSelect(pr, status, __LINE__, "other", "3", "4", "6", "8", "10", "12", "13", END_MARK);
714
715 // Number attributes -
716 // n: the number itself
717 // i: integer digits
718 // f: visible fraction digits
719 // t: f with trailing zeros removed.
720 // v: number of visible fraction digits
721 // j: = n if there are no visible fraction digits
722 // != anything if there are visible fraction digits
723
724 pr.adoptInstead(PluralRules::createRules("a: i is 123", status));
725 checkSelect(pr, status, __LINE__, "a", "123", "123.0", "123.1", "0123.99", END_MARK);
726 checkSelect(pr, status, __LINE__, "other", "124", "122.0", END_MARK);
727
728 pr.adoptInstead(PluralRules::createRules("a: f is 120", status));
729 checkSelect(pr, status, __LINE__, "a", "1.120", "0.120", "11123.120", "0123.120", END_MARK);
730 checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200", "1.12", "120", END_MARK);
731
732 pr.adoptInstead(PluralRules::createRules("a: t is 12", status));
733 checkSelect(pr, status, __LINE__, "a", "1.120", "0.12", "11123.12000", "0123.1200000", END_MARK);
734 checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200001", "1.11", "12", END_MARK);
735
736 pr.adoptInstead(PluralRules::createRules("a: v is 3", status));
737 checkSelect(pr, status, __LINE__, "a", "1.120", "0.000", "11123.100", "0123.124", ".666", END_MARK);
738 checkSelect(pr, status, __LINE__, "other", "1.1212", "122.12", "1.1", "122", "0.0000", END_MARK);
739
740 pr.adoptInstead(PluralRules::createRules("a: v is 0 and i is 123", status));
741 checkSelect(pr, status, __LINE__, "a", "123", "123.", END_MARK);
742 checkSelect(pr, status, __LINE__, "other", "123.0", "123.1", "123.123", "0.123", END_MARK);
743
744 // The reserved words from the rule syntax will also function as keywords.
745 pr.adoptInstead(PluralRules::createRules("a: n is 21; n: n is 22; i: n is 23; f: n is 24;"
746 "t: n is 25; v: n is 26; w: n is 27; j: n is 28"
747 , status));
748 checkSelect(pr, status, __LINE__, "other", "20", "29", END_MARK);
749 checkSelect(pr, status, __LINE__, "a", "21", END_MARK);
750 checkSelect(pr, status, __LINE__, "n", "22", END_MARK);
751 checkSelect(pr, status, __LINE__, "i", "23", END_MARK);
752 checkSelect(pr, status, __LINE__, "f", "24", END_MARK);
753 checkSelect(pr, status, __LINE__, "t", "25", END_MARK);
754 checkSelect(pr, status, __LINE__, "v", "26", END_MARK);
755 checkSelect(pr, status, __LINE__, "w", "27", END_MARK);
756 checkSelect(pr, status, __LINE__, "j", "28", END_MARK);
757
758
759 pr.adoptInstead(PluralRules::createRules("not: n=31; and: n=32; or: n=33; mod: n=34;"
760 "in: n=35; within: n=36;is:n=37"
761 , status));
762 checkSelect(pr, status, __LINE__, "other", "30", "39", END_MARK);
763 checkSelect(pr, status, __LINE__, "not", "31", END_MARK);
764 checkSelect(pr, status, __LINE__, "and", "32", END_MARK);
765 checkSelect(pr, status, __LINE__, "or", "33", END_MARK);
766 checkSelect(pr, status, __LINE__, "mod", "34", END_MARK);
767 checkSelect(pr, status, __LINE__, "in", "35", END_MARK);
768 checkSelect(pr, status, __LINE__, "within", "36", END_MARK);
769 checkSelect(pr, status, __LINE__, "is", "37", END_MARK);
770
771 // Test cases from ICU4J PluralRulesTest.parseTestData
772
773 pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
774 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
775 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2", status));
776 checkSelect(pr, status, __LINE__, "a", "2", "12", "22", END_MARK);
777 pr.adoptInstead(PluralRules::createRules("a: n is not 1", status));
778 checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "4", "5", END_MARK);
779 pr.adoptInstead(PluralRules::createRules("a: n mod 3 is not 1", status));
780 checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "5", "6", "8", "9", END_MARK);
781 pr.adoptInstead(PluralRules::createRules("a: n in 2..5", status));
782 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
783 pr.adoptInstead(PluralRules::createRules("a: n within 2..5", status));
784 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
785 pr.adoptInstead(PluralRules::createRules("a: n not in 2..5", status));
786 checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
787 pr.adoptInstead(PluralRules::createRules("a: n not within 2..5", status));
788 checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
789 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2..5", status));
790 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "12", "13", "14", "15", "22", "23", "24", "25", END_MARK);
791 pr.adoptInstead(PluralRules::createRules("a: n mod 10 within 2..5", status));
792 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "12", "13", "14", "15", "22", "23", "24", "25", END_MARK);
793 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2 and n is not 12", status));
794 checkSelect(pr, status, __LINE__, "a", "2", "22", "32", "42", END_MARK);
795 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2..3 or n mod 10 is 5", status));
796 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "12", "13", "15", "22", "23", "25", END_MARK);
797 pr.adoptInstead(PluralRules::createRules("a: n mod 10 within 2..3 or n mod 10 is 5", status));
798 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "12", "13", "15", "22", "23", "25", END_MARK);
799 pr.adoptInstead(PluralRules::createRules("a: n is 1 or n is 4 or n is 23", status));
800 checkSelect(pr, status, __LINE__, "a", "1", "4", "23", END_MARK);
801 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n in 1..11", status));
802 checkSelect(pr, status, __LINE__, "a", "1", "5", "7", "9", "11", END_MARK);
803 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n within 1..11", status));
804 checkSelect(pr, status, __LINE__, "a", "1", "5", "7", "9", "11", END_MARK);
805 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6", status));
806 checkSelect(pr, status, __LINE__, "a", "1", "3", "5", "7", "9", "11", "13", "15", "16", END_MARK);
807 pr.adoptInstead(PluralRules::createRules("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1", status));
808 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
809 checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
810 checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
811 pr.adoptInstead(PluralRules::createRules("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1", status));
812 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
813 checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
814 checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
815 pr.adoptInstead(PluralRules::createRules("a: n in 2, 4..6; b: n within 7..9,11..12,20", status));
816 checkSelect(pr, status, __LINE__, "a", "2", "4", "5", "6", END_MARK);
817 checkSelect(pr, status, __LINE__, "b", "7", "8", "9", "11", "12", "20", END_MARK);
818 pr.adoptInstead(PluralRules::createRules("a: n in 2..8, 12 and n not in 4..6", status));
819 checkSelect(pr, status, __LINE__, "a", "2", "3", "7", "8", "12", END_MARK);
820 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2, 3,5..7 and n is not 12", status));
821 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "6", "7", "13", "15", "16", "17", END_MARK);
822 pr.adoptInstead(PluralRules::createRules("a: n in 2..6, 3..7", status));
823 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "6", "7", END_MARK);
824
825 // Extended Syntax, with '=', '!=' and '%' operators.
826 pr.adoptInstead(PluralRules::createRules("a: n = 1..8 and n!= 2,3,4,5", status));
827 checkSelect(pr, status, __LINE__, "a", "1", "6", "7", "8", END_MARK);
828 checkSelect(pr, status, __LINE__, "other", "0", "2", "3", "4", "5", "9", END_MARK);
829 pr.adoptInstead(PluralRules::createRules("a:n % 10 != 1", status));
830 checkSelect(pr, status, __LINE__, "a", "2", "6", "7", "8", END_MARK);
831 checkSelect(pr, status, __LINE__, "other", "1", "21", "211", "91", END_MARK);
832 }
833
834
testAvailbleLocales()835 void PluralRulesTest::testAvailbleLocales() {
836
837 // Hash set of (char *) strings.
838 UErrorCode status = U_ZERO_ERROR;
839 UHashtable *localeSet = uhash_open(uhash_hashUnicodeString, uhash_compareUnicodeString, uhash_compareLong, &status);
840 uhash_setKeyDeleter(localeSet, uprv_deleteUObject);
841 if (U_FAILURE(status)) {
842 errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
843 return;
844 }
845
846 // Check that each locale returned by the iterator is unique.
847 StringEnumeration *localesEnum = PluralRules::getAvailableLocales(status);
848 int localeCount = 0;
849 for (;;) {
850 const char *locale = localesEnum->next(NULL, status);
851 if (U_FAILURE(status)) {
852 dataerrln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
853 return;
854 }
855 if (locale == NULL) {
856 break;
857 }
858 localeCount++;
859 int32_t oldVal = uhash_puti(localeSet, new UnicodeString(locale), 1, &status);
860 if (oldVal != 0) {
861 errln("file %s, line %d: locale %s was seen before.", __FILE__, __LINE__, locale);
862 }
863 }
864
865 // Reset the iterator, verify that we get the same count.
866 localesEnum->reset(status);
867 int32_t localeCount2 = 0;
868 while (localesEnum->next(NULL, status) != NULL) {
869 if (U_FAILURE(status)) {
870 errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
871 break;
872 }
873 localeCount2++;
874 }
875 if (localeCount != localeCount2) {
876 errln("file %s, line %d: locale counts differ. They are (%d, %d)",
877 __FILE__, __LINE__, localeCount, localeCount2);
878 }
879
880 // Instantiate plural rules for each available locale.
881 localesEnum->reset(status);
882 for (;;) {
883 status = U_ZERO_ERROR;
884 const char *localeName = localesEnum->next(NULL, status);
885 if (U_FAILURE(status)) {
886 errln("file %s, line %d: Error status = %s, locale = %s",
887 __FILE__, __LINE__, u_errorName(status), localeName);
888 return;
889 }
890 if (localeName == NULL) {
891 break;
892 }
893 Locale locale = Locale::createFromName(localeName);
894 PluralRules *pr = PluralRules::forLocale(locale, status);
895 if (U_FAILURE(status)) {
896 errln("file %s, line %d: Error %s creating plural rules for locale %s",
897 __FILE__, __LINE__, u_errorName(status), localeName);
898 continue;
899 }
900 if (pr == NULL) {
901 errln("file %s, line %d: Null plural rules for locale %s", __FILE__, __LINE__, localeName);
902 continue;
903 }
904
905 // Pump some numbers through the plural rules. Can't check for correct results,
906 // mostly this to tickle any asserts or crashes that may be lurking.
907 for (double n=0; n<120.0; n+=0.5) {
908 UnicodeString keyword = pr->select(n);
909 if (keyword.length() == 0) {
910 errln("file %s, line %d, empty keyword for n = %g, locale %s",
911 __FILE__, __LINE__, n, localeName);
912 }
913 }
914 delete pr;
915 }
916
917 uhash_close(localeSet);
918 delete localesEnum;
919
920 }
921
922
testParseErrors()923 void PluralRulesTest::testParseErrors() {
924 // Test rules with syntax errors.
925 // Creation of PluralRules from them should fail.
926
927 static const char *testCases[] = {
928 "a: n mod 10, is 1",
929 "a: q is 13",
930 "a n is 13",
931 "a: n is 13,",
932 "a: n is 13, 15, b: n is 4",
933 "a: n is 1, 3, 4.. ",
934 "a: n within 5..4",
935 "A: n is 13", // Uppercase keywords not allowed.
936 "a: n ! = 3", // spaces in != operator
937 "a: n = not 3", // '=' not exact equivalent of 'is'
938 "a: n ! in 3..4" // '!' not exact equivalent of 'not'
939 "a: n % 37 ! in 3..4"
940
941 };
942 for (int i=0; i<LENGTHOF(testCases); i++) {
943 const char *rules = testCases[i];
944 UErrorCode status = U_ZERO_ERROR;
945 PluralRules *pr = PluralRules::createRules(UnicodeString(rules), status);
946 if (U_SUCCESS(status)) {
947 errln("file %s, line %d, expected failure with \"%s\".", __FILE__, __LINE__, rules);
948 }
949 if (pr != NULL) {
950 errln("file %s, line %d, expected NULL. Rules: \"%s\"", __FILE__, __LINE__, rules);
951 }
952 }
953 return;
954 }
955
956
testFixedDecimal()957 void PluralRulesTest::testFixedDecimal() {
958 struct DoubleTestCase {
959 double n;
960 int32_t fractionDigitCount;
961 int64_t fractionDigits;
962 };
963
964 // Check that the internal functions for extracting the decimal fraction digits from
965 // a double value are working.
966 static DoubleTestCase testCases[] = {
967 {1.0, 0, 0},
968 {123456.0, 0, 0},
969 {1.1, 1, 1},
970 {1.23, 2, 23},
971 {1.234, 3, 234},
972 {1.2345, 4, 2345},
973 {1.23456, 5, 23456},
974 {.1234, 4, 1234},
975 {.01234, 5, 1234},
976 {.001234, 6, 1234},
977 {.0001234, 7, 1234},
978 {100.1234, 4, 1234},
979 {100.01234, 5, 1234},
980 {100.001234, 6, 1234},
981 {100.0001234, 7, 1234}
982 };
983
984 for (int i=0; i<LENGTHOF(testCases); ++i) {
985 DoubleTestCase &tc = testCases[i];
986 int32_t numFractionDigits = FixedDecimal::decimals(tc.n);
987 if (numFractionDigits != tc.fractionDigitCount) {
988 errln("file %s, line %d: decimals(%g) expected %d, actual %d",
989 __FILE__, __LINE__, tc.n, tc.fractionDigitCount, numFractionDigits);
990 continue;
991 }
992 int64_t actualFractionDigits = FixedDecimal::getFractionalDigits(tc.n, numFractionDigits);
993 if (actualFractionDigits != tc.fractionDigits) {
994 errln("file %s, line %d: getFractionDigits(%g, %d): expected %ld, got %ld",
995 __FILE__, __LINE__, tc.n, numFractionDigits, tc.fractionDigits, actualFractionDigits);
996 }
997 }
998 }
999
1000
1001
1002 #endif /* #if !UCONFIG_NO_FORMATTING */
1003