1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 2007-2014, International Business Machines Corporation and
6 * others. All Rights Reserved.
7 ********************************************************************************
8
9 * File PLURRULTS.cpp
10 *
11 ********************************************************************************
12 */
13
14 #include "unicode/utypes.h"
15
16 #if !UCONFIG_NO_FORMATTING
17
18 #include <stdlib.h>
19 #include <stdarg.h>
20 #include <string.h>
21
22 #include "unicode/localpointer.h"
23 #include "unicode/plurrule.h"
24 #include "unicode/stringpiece.h"
25
26 #include "cmemory.h"
27 #include "digitlst.h"
28 #include "plurrule_impl.h"
29 #include "plurults.h"
30 #include "uhash.h"
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), status);
131 if(U_FAILURE(status)) {
132 dataerrln("ERROR: Could not create PluralRules (default) - exitting");
133 return;
134 }
135 LocalPointer<PluralRules> newEnPlural(test->forLocale(Locale::getEnglish(), status), status);
136 if(U_FAILURE(status)) {
137 dataerrln("ERROR: Could not create PluralRules (English) - exitting");
138 return;
139 }
140
141 // ======= Test clone, assignment operator && == operator.
142 LocalPointer<PluralRules> dupRule(defRule.clone());
143 if (dupRule==NULL) {
144 errln("ERROR: clone plural rules test failed!");
145 return;
146 } else {
147 if ( *dupRule != defRule ) {
148 errln("ERROR: clone plural rules test failed!");
149 }
150 }
151 *dupRule = *newEnPlural;
152 if (dupRule!=NULL) {
153 if ( *dupRule != *newEnPlural ) {
154 errln("ERROR: clone plural rules test failed!");
155 }
156 }
157
158 // ======= Test empty plural rules
159 logln("Testing Simple PluralRules");
160
161 LocalPointer<PluralRules> empRule(test->createRules(UNICODE_STRING_SIMPLE("a:n"), status));
162 UnicodeString key;
163 for (int32_t i=0; i<10; ++i) {
164 key = empRule->select(i);
165 if ( key.charAt(0)!= 0x61 ) { // 'a'
166 errln("ERROR: empty plural rules test failed! - exitting");
167 }
168 }
169
170 // ======= Test simple plural rules
171 logln("Testing Simple PluralRules");
172
173 char result[100];
174 int32_t max;
175
176 for (int32_t i=0; i<PLURAL_TEST_NUM-1; ++i) {
177 LocalPointer<PluralRules> newRules(test->createRules(pluralTestData[i], status));
178 setupResult(pluralTestResult[i], result, &max);
179 if ( !checkEqual(*newRules, result, max) ) {
180 errln("ERROR: simple plural rules failed! - exitting");
181 return;
182 }
183 }
184
185 // ======= Test complex plural rules
186 logln("Testing Complex PluralRules");
187 // TODO: the complex test data is hard coded. It's better to implement
188 // a parser to parse the test data.
189 UnicodeString complexRule = UNICODE_STRING_SIMPLE("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1");
190 UnicodeString complexRule2 = UNICODE_STRING_SIMPLE("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1");
191 char cRuleResult[] =
192 {
193 0x6F, // 'o'
194 0x63, // 'c'
195 0x61, // 'a'
196 0x61, // 'a'
197 0x61, // 'a'
198 0x61, // 'a'
199 0x62, // 'b'
200 0x62, // 'b'
201 0x62, // 'b'
202 0x63, // 'c'
203 0x6F, // 'o'
204 0x63 // 'c'
205 };
206 LocalPointer<PluralRules> newRules(test->createRules(complexRule, status));
207 if ( !checkEqual(*newRules, cRuleResult, 12) ) {
208 errln("ERROR: complex plural rules failed! - exitting");
209 return;
210 }
211 newRules.adoptInstead(test->createRules(complexRule2, status));
212 if ( !checkEqual(*newRules, cRuleResult, 12) ) {
213 errln("ERROR: complex plural rules failed! - exitting");
214 return;
215 }
216
217 // ======= Test decimal fractions plural rules
218 UnicodeString decimalRule= UNICODE_STRING_SIMPLE("a: n not in 0..100;");
219 UnicodeString KEYWORD_A = UNICODE_STRING_SIMPLE("a");
220 status = U_ZERO_ERROR;
221 newRules.adoptInstead(test->createRules(decimalRule, status));
222 if (U_FAILURE(status)) {
223 dataerrln("ERROR: Could not create PluralRules for testing fractions - exitting");
224 return;
225 }
226 double fData[] = {-101, -100, -1, -0.0, 0, 0.1, 1, 1.999, 2.0, 100, 100.001 };
227 UBool isKeywordA[] = {TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, TRUE };
228 for (int32_t i=0; i<UPRV_LENGTHOF(fData); i++) {
229 if ((newRules->select(fData[i])== KEYWORD_A) != isKeywordA[i]) {
230 errln("File %s, Line %d, ERROR: plural rules for decimal fractions test failed!\n"
231 " number = %g, expected %s", __FILE__, __LINE__, fData[i], isKeywordA[i]?"TRUE":"FALSE");
232 }
233 }
234
235 // ======= Test Equality
236 logln("Testing Equality of PluralRules");
237
238 if ( !testEquality(*test) ) {
239 errln("ERROR: complex plural rules failed! - exitting");
240 return;
241 }
242
243
244 // ======= Test getStaticClassID()
245 logln("Testing getStaticClassID()");
246
247 if(test->getDynamicClassID() != PluralRules::getStaticClassID()) {
248 errln("ERROR: getDynamicClassID() didn't return the expected value");
249 }
250 // ====== Test fallback to parent locale
251 LocalPointer<PluralRules> en_UK(test->forLocale(Locale::getUK(), status));
252 LocalPointer<PluralRules> en(test->forLocale(Locale::getEnglish(), status));
253 if (en_UK.isValid() && en.isValid()) {
254 if ( *en_UK != *en ) {
255 errln("ERROR: test locale fallback failed!");
256 }
257 }
258
259 LocalPointer<PluralRules> zh_Hant(test->forLocale(Locale::getTaiwan(), status));
260 LocalPointer<PluralRules> zh(test->forLocale(Locale::getChinese(), status));
261 if (zh_Hant.isValid() && zh.isValid()) {
262 if ( *zh_Hant != *zh ) {
263 errln("ERROR: test locale fallback failed!");
264 }
265 }
266 }
267
setupResult(const int32_t testSource[],char result[],int32_t * max)268 void setupResult(const int32_t testSource[], char result[], int32_t* max) {
269 int32_t i=0;
270 int32_t curIndex=0;
271
272 do {
273 while (curIndex < testSource[i]) {
274 result[curIndex++]=0x6F; //'o' other
275 }
276 result[curIndex++]=0x61; // 'a'
277
278 } while(testSource[++i]>0);
279 *max=curIndex;
280 }
281
282
checkEqual(const PluralRules & test,char * result,int32_t max)283 UBool checkEqual(const PluralRules &test, char *result, int32_t max) {
284 UnicodeString key;
285 UBool isEqual = TRUE;
286 for (int32_t i=0; i<max; ++i) {
287 key= test.select(i);
288 if ( key.charAt(0)!=result[i] ) {
289 isEqual = FALSE;
290 }
291 }
292 return isEqual;
293 }
294
295
296
297 static const int32_t MAX_EQ_ROW = 2;
298 static const int32_t MAX_EQ_COL = 5;
testEquality(const PluralRules & test)299 UBool testEquality(const PluralRules &test) {
300 UnicodeString testEquRules[MAX_EQ_ROW][MAX_EQ_COL] = {
301 { UNICODE_STRING_SIMPLE("a: n in 2..3"),
302 UNICODE_STRING_SIMPLE("a: n is 2 or n is 3"),
303 UNICODE_STRING_SIMPLE( "a:n is 3 and n in 2..5 or n is 2"),
304 "",
305 },
306 { UNICODE_STRING_SIMPLE("a: n is 12; b:n mod 10 in 2..3"),
307 UNICODE_STRING_SIMPLE("b: n mod 10 in 2..3 and n is not 12; a: n in 12..12"),
308 UNICODE_STRING_SIMPLE("b: n is 13; a: n in 12..13; b: n mod 10 is 2 or n mod 10 is 3"),
309 "",
310 }
311 };
312 UErrorCode status = U_ZERO_ERROR;
313 UnicodeString key[MAX_EQ_COL];
314 UBool ret=TRUE;
315 for (int32_t i=0; i<MAX_EQ_ROW; ++i) {
316 PluralRules* rules[MAX_EQ_COL];
317
318 for (int32_t j=0; j<MAX_EQ_COL; ++j) {
319 rules[j]=NULL;
320 }
321 int32_t totalRules=0;
322 while((totalRules<MAX_EQ_COL) && (testEquRules[i][totalRules].length()>0) ) {
323 rules[totalRules]=test.createRules(testEquRules[i][totalRules], status);
324 totalRules++;
325 }
326 for (int32_t n=0; n<300 && ret ; ++n) {
327 for(int32_t j=0; j<totalRules;++j) {
328 key[j] = rules[j]->select(n);
329 }
330 for(int32_t j=0; j<totalRules-1;++j) {
331 if (key[j]!=key[j+1]) {
332 ret= FALSE;
333 break;
334 }
335 }
336
337 }
338 for (int32_t j=0; j<MAX_EQ_COL; ++j) {
339 if (rules[j]!=NULL) {
340 delete rules[j];
341 }
342 }
343 }
344
345 return ret;
346 }
347
348 void
assertRuleValue(const UnicodeString & rule,double expected)349 PluralRulesTest::assertRuleValue(const UnicodeString& rule, double expected) {
350 assertRuleKeyValue("a:" + rule, "a", expected);
351 }
352
353 void
assertRuleKeyValue(const UnicodeString & rule,const UnicodeString & key,double expected)354 PluralRulesTest::assertRuleKeyValue(const UnicodeString& rule,
355 const UnicodeString& key, double expected) {
356 UErrorCode status = U_ZERO_ERROR;
357 PluralRules *pr = PluralRules::createRules(rule, status);
358 double result = pr->getUniqueKeywordValue(key);
359 delete pr;
360 if (expected != result) {
361 errln("expected %g but got %g", expected, result);
362 }
363 }
364
365 // TODO: UniqueKeywordValue() is not currently supported.
366 // If it never will be, this test code should be removed.
testGetUniqueKeywordValue()367 void PluralRulesTest::testGetUniqueKeywordValue() {
368 assertRuleValue("n is 1", 1);
369 assertRuleValue("n in 2..2", 2);
370 assertRuleValue("n within 2..2", 2);
371 assertRuleValue("n in 3..4", UPLRULES_NO_UNIQUE_VALUE);
372 assertRuleValue("n within 3..4", UPLRULES_NO_UNIQUE_VALUE);
373 assertRuleValue("n is 2 or n is 2", 2);
374 assertRuleValue("n is 2 and n is 2", 2);
375 assertRuleValue("n is 2 or n is 3", UPLRULES_NO_UNIQUE_VALUE);
376 assertRuleValue("n is 2 and n is 3", UPLRULES_NO_UNIQUE_VALUE);
377 assertRuleValue("n is 2 or n in 2..3", UPLRULES_NO_UNIQUE_VALUE);
378 assertRuleValue("n is 2 and n in 2..3", 2);
379 assertRuleKeyValue("a: n is 1", "not_defined", UPLRULES_NO_UNIQUE_VALUE); // key not defined
380 assertRuleKeyValue("a: n is 1", "other", UPLRULES_NO_UNIQUE_VALUE); // key matches default rule
381 }
382
testGetSamples()383 void PluralRulesTest::testGetSamples() {
384 // TODO: fix samples, re-enable this test.
385
386 // no get functional equivalent API in ICU4C, so just
387 // test every locale...
388 UErrorCode status = U_ZERO_ERROR;
389 int32_t numLocales;
390 const Locale* locales = Locale::getAvailableLocales(numLocales);
391
392 double values[1000];
393 for (int32_t i = 0; U_SUCCESS(status) && i < numLocales; ++i) {
394 PluralRules *rules = PluralRules::forLocale(locales[i], status);
395 if (U_FAILURE(status)) {
396 break;
397 }
398 StringEnumeration *keywords = rules->getKeywords(status);
399 if (U_FAILURE(status)) {
400 delete rules;
401 break;
402 }
403 const UnicodeString* keyword;
404 while (NULL != (keyword = keywords->snext(status))) {
405 int32_t count = rules->getSamples(*keyword, values, UPRV_LENGTHOF(values), status);
406 if (U_FAILURE(status)) {
407 errln(UNICODE_STRING_SIMPLE("getSamples() failed for locale ") +
408 locales[i].getName() +
409 UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
410 continue;
411 }
412 if (count == 0) {
413 // TODO: Lots of these.
414 // errln(UNICODE_STRING_SIMPLE("no samples for keyword ") + *keyword + UNICODE_STRING_SIMPLE(" in locale ") + locales[i].getName() );
415 }
416 if (count > UPRV_LENGTHOF(values)) {
417 errln(UNICODE_STRING_SIMPLE("getSamples()=") + count +
418 UNICODE_STRING_SIMPLE(", too many values, for locale ") +
419 locales[i].getName() +
420 UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
421 count = UPRV_LENGTHOF(values);
422 }
423 for (int32_t j = 0; j < count; ++j) {
424 if (values[j] == UPLRULES_NO_UNIQUE_VALUE) {
425 errln("got 'no unique value' among values");
426 } else {
427 UnicodeString resultKeyword = rules->select(values[j]);
428 // if (strcmp(locales[i].getName(), "uk") == 0) { // Debug only.
429 // std::cout << " uk " << US(resultKeyword).cstr() << " " << values[j] << std::endl;
430 // }
431 if (*keyword != resultKeyword) {
432 errln("file %s, line %d, Locale %s, sample for keyword \"%s\": %g, select(%g) returns keyword \"%s\"",
433 __FILE__, __LINE__, locales[i].getName(), US(*keyword).cstr(), values[j], values[j], US(resultKeyword).cstr());
434 }
435 }
436 }
437 }
438 delete keywords;
439 delete rules;
440 }
441 }
442
testWithin()443 void PluralRulesTest::testWithin() {
444 // goes to show you what lack of testing will do.
445 // of course, this has been broken for two years and no one has noticed...
446 UErrorCode status = U_ZERO_ERROR;
447 PluralRules *rules = PluralRules::createRules("a: n mod 10 in 5..8", status);
448 if (!rules) {
449 errln("couldn't instantiate rules");
450 return;
451 }
452
453 UnicodeString keyword = rules->select((int32_t)26);
454 if (keyword != "a") {
455 errln("expected 'a' for 26 but didn't get it.");
456 }
457
458 keyword = rules->select(26.5);
459 if (keyword != "other") {
460 errln("expected 'other' for 26.5 but didn't get it.");
461 }
462
463 delete rules;
464 }
465
466 void
testGetAllKeywordValues()467 PluralRulesTest::testGetAllKeywordValues() {
468 const char* data[] = {
469 "a: n in 2..5", "a: 2,3,4,5; other: null; b:",
470 "a: n not in 2..5", "a: null; other: null",
471 "a: n within 2..5", "a: null; other: null",
472 "a: n not within 2..5", "a: null; other: null",
473 "a: n in 2..5 or n within 6..8", "a: null", // ignore 'other' here on out, always null
474 "a: n in 2..5 and n within 6..8", "a:",
475 "a: n in 2..5 and n within 5..8", "a: 5",
476 "a: n within 2..5 and n within 6..8", "a:", // our sampling catches these
477 "a: n within 2..5 and n within 5..8", "a: 5", // ''
478 "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5", "a: 2,4",
479 "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5 "
480 "or n within 5..6 and n within 6..7", "a: null", // but not this...
481 "a: n mod 3 is 0", "a: null",
482 "a: n mod 3 is 0 and n within 1..2", "a:",
483 "a: n mod 3 is 0 and n within 0..5", "a: 0,3",
484 "a: n mod 3 is 0 and n within 0..6", "a: null", // similarly with mod, we don't catch...
485 "a: n mod 3 is 0 and n in 3..12", "a: 3,6,9,12",
486 NULL
487 };
488
489 for (int i = 0; data[i] != NULL; i += 2) {
490 UErrorCode status = U_ZERO_ERROR;
491 UnicodeString ruleDescription(data[i], -1, US_INV);
492 const char* result = data[i+1];
493
494 logln("[%d] %s", i >> 1, data[i]);
495
496 PluralRules *p = PluralRules::createRules(ruleDescription, status);
497 if (p == NULL || U_FAILURE(status)) {
498 errln("file %s, line %d: could not create rules from '%s'\n"
499 " ErrorCode: %s\n",
500 __FILE__, __LINE__, data[i], u_errorName(status));
501 continue;
502 }
503
504 // TODO: fix samples implementation, re-enable test.
505 (void)result;
506 #if 0
507
508 const char* rp = result;
509 while (*rp) {
510 while (*rp == ' ') ++rp;
511 if (!rp) {
512 break;
513 }
514
515 const char* ep = rp;
516 while (*ep && *ep != ':') ++ep;
517
518 status = U_ZERO_ERROR;
519 UnicodeString keyword(rp, ep - rp, US_INV);
520 double samples[4]; // no test above should have more samples than 4
521 int32_t count = p->getAllKeywordValues(keyword, &samples[0], 4, status);
522 if (U_FAILURE(status)) {
523 errln("error getting samples for %s", rp);
524 break;
525 }
526
527 if (count > 4) {
528 errln("count > 4 for keyword %s", rp);
529 count = 4;
530 }
531
532 if (*ep) {
533 ++ep; // skip colon
534 while (*ep && *ep == ' ') ++ep; // and spaces
535 }
536
537 UBool ok = TRUE;
538 if (count == -1) {
539 if (*ep != 'n') {
540 errln("expected values for keyword %s but got -1 (%s)", rp, ep);
541 ok = FALSE;
542 }
543 } else if (*ep == 'n') {
544 errln("expected count of -1, got %d, for keyword %s (%s)", count, rp, ep);
545 ok = FALSE;
546 }
547
548 // We'll cheat a bit here. The samples happend to be in order and so are our
549 // expected values, so we'll just test in order until a failure. If the
550 // implementation changes to return samples in an arbitrary order, this test
551 // must change. There's no actual restriction on the order of the samples.
552
553 for (int j = 0; ok && j < count; ++j ) { // we've verified count < 4
554 double val = samples[j];
555 if (*ep == 0 || *ep == ';') {
556 errln("got unexpected value[%d]: %g", j, val);
557 ok = FALSE;
558 break;
559 }
560 char* xp;
561 double expectedVal = strtod(ep, &xp);
562 if (xp == ep) {
563 // internal error
564 errln("yikes!");
565 ok = FALSE;
566 break;
567 }
568 ep = xp;
569 if (expectedVal != val) {
570 errln("expected %g but got %g", expectedVal, val);
571 ok = FALSE;
572 break;
573 }
574 if (*ep == ',') ++ep;
575 }
576
577 if (ok && count != -1) {
578 if (!(*ep == 0 || *ep == ';')) {
579 errln("file: %s, line %d, didn't get expected value: %s", __FILE__, __LINE__, ep);
580 ok = FALSE;
581 }
582 }
583
584 while (*ep && *ep != ';') ++ep;
585 if (*ep == ';') ++ep;
586 rp = ep;
587 }
588 #endif
589 delete p;
590 }
591 }
592
testOrdinal()593 void PluralRulesTest::testOrdinal() {
594 IcuTestErrorCode errorCode(*this, "testOrdinal");
595 LocalPointer<PluralRules> pr(PluralRules::forLocale("en", UPLURAL_TYPE_ORDINAL, errorCode));
596 if (errorCode.logIfFailureAndReset("PluralRules::forLocale(en, UPLURAL_TYPE_ORDINAL) failed")) {
597 return;
598 }
599 UnicodeString keyword = pr->select(2.);
600 if (keyword != UNICODE_STRING("two", 3)) {
601 dataerrln("PluralRules(en-ordinal).select(2) failed");
602 }
603 }
604
605
606 static const char * END_MARK = "999.999"; // Mark end of varargs data.
607
checkSelect(const LocalPointer<PluralRules> & rules,UErrorCode & status,int32_t line,const char * keyword,...)608 void PluralRulesTest::checkSelect(const LocalPointer<PluralRules> &rules, UErrorCode &status,
609 int32_t line, const char *keyword, ...) {
610 // The varargs parameters are a const char* strings, each being a decimal number.
611 // The formatting of the numbers as strings is significant, e.g.
612 // the difference between "2" and "2.0" can affect which rule matches (which keyword is selected).
613 // Note: rules parameter is a LocalPointer reference rather than a PluralRules * to avoid having
614 // to write getAlias() at every (numerous) call site.
615
616 if (U_FAILURE(status)) {
617 errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
618 status = U_ZERO_ERROR;
619 return;
620 }
621
622 if (rules == NULL) {
623 errln("file %s, line %d: rules pointer is NULL", __FILE__, line);
624 return;
625 }
626
627 va_list ap;
628 va_start(ap, keyword);
629 for (;;) {
630 const char *num = va_arg(ap, const char *);
631 if (strcmp(num, END_MARK) == 0) {
632 break;
633 }
634
635 // DigitList is a convenient way to parse the decimal number string and get a double.
636 DigitList dl;
637 dl.set(StringPiece(num), status);
638 if (U_FAILURE(status)) {
639 errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
640 status = U_ZERO_ERROR;
641 continue;
642 }
643 double numDbl = dl.getDouble();
644 const char *decimalPoint = strchr(num, '.');
645 int fractionDigitCount = decimalPoint == NULL ? 0 : (num + strlen(num) - 1) - decimalPoint;
646 int fractionDigits = fractionDigitCount == 0 ? 0 : atoi(decimalPoint + 1);
647 FixedDecimal ni(numDbl, fractionDigitCount, fractionDigits);
648
649 UnicodeString actualKeyword = rules->select(ni);
650 if (actualKeyword != UnicodeString(keyword)) {
651 errln("file %s, line %d, select(%s) returned incorrect keyword. Expected %s, got %s",
652 __FILE__, line, num, keyword, US(actualKeyword).cstr());
653 }
654 }
655 va_end(ap);
656 }
657
testSelect()658 void PluralRulesTest::testSelect() {
659 UErrorCode status = U_ZERO_ERROR;
660 LocalPointer<PluralRules> pr(PluralRules::createRules("s: n in 1,3,4,6", status));
661 checkSelect(pr, status, __LINE__, "s", "1.0", "3.0", "4.0", "6.0", END_MARK);
662 checkSelect(pr, status, __LINE__, "other", "0.0", "2.0", "3.1", "7.0", END_MARK);
663
664 pr.adoptInstead(PluralRules::createRules("s: n not in 1,3,4,6", status));
665 checkSelect(pr, status, __LINE__, "other", "1.0", "3.0", "4.0", "6.0", END_MARK);
666 checkSelect(pr, status, __LINE__, "s", "0.0", "2.0", "3.1", "7.0", END_MARK);
667
668 pr.adoptInstead(PluralRules::createRules("r: n in 1..4, 7..10, 14 .. 17;"
669 "s: n is 29;", status));
670 checkSelect(pr, status, __LINE__, "r", "1.0", "3.0", "7.0", "8.0", "10.0", "14.0", "17.0", END_MARK);
671 checkSelect(pr, status, __LINE__, "s", "29.0", END_MARK);
672 checkSelect(pr, status, __LINE__, "other", "28.0", "29.1", END_MARK);
673
674 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 1; b: n mod 100 is 0 ", status));
675 checkSelect(pr, status, __LINE__, "a", "1", "11", "41", "101", "301.00", END_MARK);
676 checkSelect(pr, status, __LINE__, "b", "0", "100", "200.0", "300.", "1000", "1100", "110000", END_MARK);
677 checkSelect(pr, status, __LINE__, "other", "0.01", "1.01", "0.99", "2", "3", "99", "102", END_MARK);
678
679 // Rules that end with or without a ';' and with or without trailing spaces.
680 // (There was a rule parser bug here with these.)
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 pr.adoptInstead(PluralRules::createRules("a: n is 1 ; ", status));
694 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
695 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
696
697 // First match when rules for different keywords are not disjoint.
698 // Also try spacing variations around ':' and '..'
699 pr.adoptInstead(PluralRules::createRules("c: n in 5..15; b : n in 1..10 ;a:n in 10 .. 20", status));
700 checkSelect(pr, status, __LINE__, "a", "20", END_MARK);
701 checkSelect(pr, status, __LINE__, "b", "1", END_MARK);
702 checkSelect(pr, status, __LINE__, "c", "10", END_MARK);
703 checkSelect(pr, status, __LINE__, "other", "0", "21", "10.1", END_MARK);
704
705 // in vs within
706 pr.adoptInstead(PluralRules::createRules("a: n in 2..10; b: n within 8..15", status));
707 checkSelect(pr, status, __LINE__, "a", "2", "8", "10", END_MARK);
708 checkSelect(pr, status, __LINE__, "b", "8.01", "9.5", "11", "14.99", "15", END_MARK);
709 checkSelect(pr, status, __LINE__, "other", "1", "7.7", "15.01", "16", END_MARK);
710
711 // OR and AND chains.
712 pr.adoptInstead(PluralRules::createRules("a: n in 2..10 and n in 4..12 and n not in 5..7", status));
713 checkSelect(pr, status, __LINE__, "a", "4", "8", "9", "10", END_MARK);
714 checkSelect(pr, status, __LINE__, "other", "2", "3", "5", "7", "11", END_MARK);
715 pr.adoptInstead(PluralRules::createRules("a: n is 2 or n is 5 or n in 7..11 and n in 11..13", status));
716 checkSelect(pr, status, __LINE__, "a", "2", "5", "11", END_MARK);
717 checkSelect(pr, status, __LINE__, "other", "3", "4", "6", "8", "10", "12", "13", END_MARK);
718
719 // Number attributes -
720 // n: the number itself
721 // i: integer digits
722 // f: visible fraction digits
723 // t: f with trailing zeros removed.
724 // v: number of visible fraction digits
725 // j: = n if there are no visible fraction digits
726 // != anything if there are visible fraction digits
727
728 pr.adoptInstead(PluralRules::createRules("a: i is 123", status));
729 checkSelect(pr, status, __LINE__, "a", "123", "123.0", "123.1", "0123.99", END_MARK);
730 checkSelect(pr, status, __LINE__, "other", "124", "122.0", END_MARK);
731
732 pr.adoptInstead(PluralRules::createRules("a: f is 120", status));
733 checkSelect(pr, status, __LINE__, "a", "1.120", "0.120", "11123.120", "0123.120", END_MARK);
734 checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200", "1.12", "120", END_MARK);
735
736 pr.adoptInstead(PluralRules::createRules("a: t is 12", status));
737 checkSelect(pr, status, __LINE__, "a", "1.120", "0.12", "11123.12000", "0123.1200000", END_MARK);
738 checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200001", "1.11", "12", END_MARK);
739
740 pr.adoptInstead(PluralRules::createRules("a: v is 3", status));
741 checkSelect(pr, status, __LINE__, "a", "1.120", "0.000", "11123.100", "0123.124", ".666", END_MARK);
742 checkSelect(pr, status, __LINE__, "other", "1.1212", "122.12", "1.1", "122", "0.0000", END_MARK);
743
744 pr.adoptInstead(PluralRules::createRules("a: v is 0 and i is 123", status));
745 checkSelect(pr, status, __LINE__, "a", "123", "123.", END_MARK);
746 checkSelect(pr, status, __LINE__, "other", "123.0", "123.1", "123.123", "0.123", END_MARK);
747
748 // The reserved words from the rule syntax will also function as keywords.
749 pr.adoptInstead(PluralRules::createRules("a: n is 21; n: n is 22; i: n is 23; f: n is 24;"
750 "t: n is 25; v: n is 26; w: n is 27; j: n is 28"
751 , status));
752 checkSelect(pr, status, __LINE__, "other", "20", "29", END_MARK);
753 checkSelect(pr, status, __LINE__, "a", "21", END_MARK);
754 checkSelect(pr, status, __LINE__, "n", "22", END_MARK);
755 checkSelect(pr, status, __LINE__, "i", "23", END_MARK);
756 checkSelect(pr, status, __LINE__, "f", "24", END_MARK);
757 checkSelect(pr, status, __LINE__, "t", "25", END_MARK);
758 checkSelect(pr, status, __LINE__, "v", "26", END_MARK);
759 checkSelect(pr, status, __LINE__, "w", "27", END_MARK);
760 checkSelect(pr, status, __LINE__, "j", "28", END_MARK);
761
762
763 pr.adoptInstead(PluralRules::createRules("not: n=31; and: n=32; or: n=33; mod: n=34;"
764 "in: n=35; within: n=36;is:n=37"
765 , status));
766 checkSelect(pr, status, __LINE__, "other", "30", "39", END_MARK);
767 checkSelect(pr, status, __LINE__, "not", "31", END_MARK);
768 checkSelect(pr, status, __LINE__, "and", "32", END_MARK);
769 checkSelect(pr, status, __LINE__, "or", "33", END_MARK);
770 checkSelect(pr, status, __LINE__, "mod", "34", END_MARK);
771 checkSelect(pr, status, __LINE__, "in", "35", END_MARK);
772 checkSelect(pr, status, __LINE__, "within", "36", END_MARK);
773 checkSelect(pr, status, __LINE__, "is", "37", END_MARK);
774
775 // Test cases from ICU4J PluralRulesTest.parseTestData
776
777 pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
778 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
779 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2", status));
780 checkSelect(pr, status, __LINE__, "a", "2", "12", "22", END_MARK);
781 pr.adoptInstead(PluralRules::createRules("a: n is not 1", status));
782 checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "4", "5", END_MARK);
783 pr.adoptInstead(PluralRules::createRules("a: n mod 3 is not 1", status));
784 checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "5", "6", "8", "9", END_MARK);
785 pr.adoptInstead(PluralRules::createRules("a: n in 2..5", status));
786 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
787 pr.adoptInstead(PluralRules::createRules("a: n within 2..5", status));
788 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
789 pr.adoptInstead(PluralRules::createRules("a: n not in 2..5", status));
790 checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
791 pr.adoptInstead(PluralRules::createRules("a: n not within 2..5", status));
792 checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
793 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2..5", status));
794 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "12", "13", "14", "15", "22", "23", "24", "25", END_MARK);
795 pr.adoptInstead(PluralRules::createRules("a: n mod 10 within 2..5", status));
796 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "12", "13", "14", "15", "22", "23", "24", "25", END_MARK);
797 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2 and n is not 12", status));
798 checkSelect(pr, status, __LINE__, "a", "2", "22", "32", "42", END_MARK);
799 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2..3 or n mod 10 is 5", status));
800 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "12", "13", "15", "22", "23", "25", END_MARK);
801 pr.adoptInstead(PluralRules::createRules("a: n mod 10 within 2..3 or n mod 10 is 5", status));
802 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "12", "13", "15", "22", "23", "25", END_MARK);
803 pr.adoptInstead(PluralRules::createRules("a: n is 1 or n is 4 or n is 23", status));
804 checkSelect(pr, status, __LINE__, "a", "1", "4", "23", END_MARK);
805 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n in 1..11", status));
806 checkSelect(pr, status, __LINE__, "a", "1", "5", "7", "9", "11", END_MARK);
807 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n within 1..11", status));
808 checkSelect(pr, status, __LINE__, "a", "1", "5", "7", "9", "11", END_MARK);
809 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6", status));
810 checkSelect(pr, status, __LINE__, "a", "1", "3", "5", "7", "9", "11", "13", "15", "16", END_MARK);
811 pr.adoptInstead(PluralRules::createRules("a: n in 2..5; b: n in 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 within 2..5; b: n within 5..8; c: n mod 2 is 1", status));
816 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
817 checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
818 checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
819 pr.adoptInstead(PluralRules::createRules("a: n in 2, 4..6; b: n within 7..9,11..12,20", status));
820 checkSelect(pr, status, __LINE__, "a", "2", "4", "5", "6", END_MARK);
821 checkSelect(pr, status, __LINE__, "b", "7", "8", "9", "11", "12", "20", END_MARK);
822 pr.adoptInstead(PluralRules::createRules("a: n in 2..8, 12 and n not in 4..6", status));
823 checkSelect(pr, status, __LINE__, "a", "2", "3", "7", "8", "12", END_MARK);
824 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2, 3,5..7 and n is not 12", status));
825 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "6", "7", "13", "15", "16", "17", END_MARK);
826 pr.adoptInstead(PluralRules::createRules("a: n in 2..6, 3..7", status));
827 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "6", "7", END_MARK);
828
829 // Extended Syntax, with '=', '!=' and '%' operators.
830 pr.adoptInstead(PluralRules::createRules("a: n = 1..8 and n!= 2,3,4,5", status));
831 checkSelect(pr, status, __LINE__, "a", "1", "6", "7", "8", END_MARK);
832 checkSelect(pr, status, __LINE__, "other", "0", "2", "3", "4", "5", "9", END_MARK);
833 pr.adoptInstead(PluralRules::createRules("a:n % 10 != 1", status));
834 checkSelect(pr, status, __LINE__, "a", "2", "6", "7", "8", END_MARK);
835 checkSelect(pr, status, __LINE__, "other", "1", "21", "211", "91", END_MARK);
836 }
837
838
testAvailbleLocales()839 void PluralRulesTest::testAvailbleLocales() {
840
841 // Hash set of (char *) strings.
842 UErrorCode status = U_ZERO_ERROR;
843 UHashtable *localeSet = uhash_open(uhash_hashUnicodeString, uhash_compareUnicodeString, uhash_compareLong, &status);
844 uhash_setKeyDeleter(localeSet, uprv_deleteUObject);
845 if (U_FAILURE(status)) {
846 errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
847 return;
848 }
849
850 // Check that each locale returned by the iterator is unique.
851 StringEnumeration *localesEnum = PluralRules::getAvailableLocales(status);
852 int localeCount = 0;
853 for (;;) {
854 const char *locale = localesEnum->next(NULL, status);
855 if (U_FAILURE(status)) {
856 dataerrln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
857 return;
858 }
859 if (locale == NULL) {
860 break;
861 }
862 localeCount++;
863 int32_t oldVal = uhash_puti(localeSet, new UnicodeString(locale), 1, &status);
864 if (oldVal != 0) {
865 errln("file %s, line %d: locale %s was seen before.", __FILE__, __LINE__, locale);
866 }
867 }
868
869 // Reset the iterator, verify that we get the same count.
870 localesEnum->reset(status);
871 int32_t localeCount2 = 0;
872 while (localesEnum->next(NULL, status) != NULL) {
873 if (U_FAILURE(status)) {
874 errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
875 break;
876 }
877 localeCount2++;
878 }
879 if (localeCount != localeCount2) {
880 errln("file %s, line %d: locale counts differ. They are (%d, %d)",
881 __FILE__, __LINE__, localeCount, localeCount2);
882 }
883
884 // Instantiate plural rules for each available locale.
885 localesEnum->reset(status);
886 for (;;) {
887 status = U_ZERO_ERROR;
888 const char *localeName = localesEnum->next(NULL, status);
889 if (U_FAILURE(status)) {
890 errln("file %s, line %d: Error status = %s, locale = %s",
891 __FILE__, __LINE__, u_errorName(status), localeName);
892 return;
893 }
894 if (localeName == NULL) {
895 break;
896 }
897 Locale locale = Locale::createFromName(localeName);
898 PluralRules *pr = PluralRules::forLocale(locale, status);
899 if (U_FAILURE(status)) {
900 errln("file %s, line %d: Error %s creating plural rules for locale %s",
901 __FILE__, __LINE__, u_errorName(status), localeName);
902 continue;
903 }
904 if (pr == NULL) {
905 errln("file %s, line %d: Null plural rules for locale %s", __FILE__, __LINE__, localeName);
906 continue;
907 }
908
909 // Pump some numbers through the plural rules. Can't check for correct results,
910 // mostly this to tickle any asserts or crashes that may be lurking.
911 for (double n=0; n<120.0; n+=0.5) {
912 UnicodeString keyword = pr->select(n);
913 if (keyword.length() == 0) {
914 errln("file %s, line %d, empty keyword for n = %g, locale %s",
915 __FILE__, __LINE__, n, localeName);
916 }
917 }
918 delete pr;
919 }
920
921 uhash_close(localeSet);
922 delete localesEnum;
923
924 }
925
926
testParseErrors()927 void PluralRulesTest::testParseErrors() {
928 // Test rules with syntax errors.
929 // Creation of PluralRules from them should fail.
930
931 static const char *testCases[] = {
932 "a: n mod 10, is 1",
933 "a: q is 13",
934 "a n is 13",
935 "a: n is 13,",
936 "a: n is 13, 15, b: n is 4",
937 "a: n is 1, 3, 4.. ",
938 "a: n within 5..4",
939 "A: n is 13", // Uppercase keywords not allowed.
940 "a: n ! = 3", // spaces in != operator
941 "a: n = not 3", // '=' not exact equivalent of 'is'
942 "a: n ! in 3..4" // '!' not exact equivalent of 'not'
943 "a: n % 37 ! in 3..4"
944
945 };
946 for (int i=0; i<UPRV_LENGTHOF(testCases); i++) {
947 const char *rules = testCases[i];
948 UErrorCode status = U_ZERO_ERROR;
949 PluralRules *pr = PluralRules::createRules(UnicodeString(rules), status);
950 if (U_SUCCESS(status)) {
951 errln("file %s, line %d, expected failure with \"%s\".", __FILE__, __LINE__, rules);
952 }
953 if (pr != NULL) {
954 errln("file %s, line %d, expected NULL. Rules: \"%s\"", __FILE__, __LINE__, rules);
955 }
956 }
957 return;
958 }
959
960
testFixedDecimal()961 void PluralRulesTest::testFixedDecimal() {
962 struct DoubleTestCase {
963 double n;
964 int32_t fractionDigitCount;
965 int64_t fractionDigits;
966 };
967
968 // Check that the internal functions for extracting the decimal fraction digits from
969 // a double value are working.
970 static DoubleTestCase testCases[] = {
971 {1.0, 0, 0},
972 {123456.0, 0, 0},
973 {1.1, 1, 1},
974 {1.23, 2, 23},
975 {1.234, 3, 234},
976 {1.2345, 4, 2345},
977 {1.23456, 5, 23456},
978 {.1234, 4, 1234},
979 {.01234, 5, 1234},
980 {.001234, 6, 1234},
981 {.0001234, 7, 1234},
982 {100.1234, 4, 1234},
983 {100.01234, 5, 1234},
984 {100.001234, 6, 1234},
985 {100.0001234, 7, 1234}
986 };
987
988 for (int i=0; i<UPRV_LENGTHOF(testCases); ++i) {
989 DoubleTestCase &tc = testCases[i];
990 int32_t numFractionDigits = FixedDecimal::decimals(tc.n);
991 if (numFractionDigits != tc.fractionDigitCount) {
992 errln("file %s, line %d: decimals(%g) expected %d, actual %d",
993 __FILE__, __LINE__, tc.n, tc.fractionDigitCount, numFractionDigits);
994 continue;
995 }
996 int64_t actualFractionDigits = FixedDecimal::getFractionalDigits(tc.n, numFractionDigits);
997 if (actualFractionDigits != tc.fractionDigits) {
998 errln("file %s, line %d: getFractionDigits(%g, %d): expected %ld, got %ld",
999 __FILE__, __LINE__, tc.n, numFractionDigits, tc.fractionDigits, actualFractionDigits);
1000 }
1001 }
1002 }
1003
1004
1005
1006 #endif /* #if !UCONFIG_NO_FORMATTING */
1007