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 void setupResult(const int32_t testSource[], char result[], int32_t* max);
31 UBool checkEqual(const PluralRules &test, char *result, int32_t max);
32 UBool testEquality(const PluralRules &test);
33
34 // This is an API test, not a unit test. It doesn't test very many cases, and doesn't
35 // try to test the full functionality. It just calls each function in the class and
36 // verifies that it works on a basic level.
37
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)38 void PluralRulesTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
39 {
40 if (exec) logln("TestSuite PluralRulesAPI");
41 TESTCASE_AUTO_BEGIN;
42 TESTCASE_AUTO(testAPI);
43 // TESTCASE_AUTO(testGetUniqueKeywordValue);
44 TESTCASE_AUTO(testGetSamples);
45 TESTCASE_AUTO(testWithin);
46 TESTCASE_AUTO(testGetAllKeywordValues);
47 TESTCASE_AUTO(testOrdinal);
48 TESTCASE_AUTO(testSelect);
49 TESTCASE_AUTO(testAvailbleLocales);
50 TESTCASE_AUTO(testParseErrors);
51 TESTCASE_AUTO(testFixedDecimal);
52 TESTCASE_AUTO_END;
53 }
54
55
56 // Quick and dirty class for putting UnicodeStrings in char * messages.
57 // TODO: something like this should be generally available.
58 class US {
59 private:
60 char *buf;
61 public:
US(const UnicodeString & us)62 US(const UnicodeString &us) {
63 int32_t bufLen = us.extract((int32_t)0, us.length(), (char *)NULL, (uint32_t)0) + 1;
64 buf = (char *)uprv_malloc(bufLen);
65 us.extract(0, us.length(), buf, bufLen); };
cstr()66 const char *cstr() {return buf;};
~US()67 ~US() { uprv_free(buf);};
68 };
69
70
71
72
73
74 #define PLURAL_TEST_NUM 18
75 /**
76 * Test various generic API methods of PluralRules for API coverage.
77 */
testAPI()78 void PluralRulesTest::testAPI(/*char *par*/)
79 {
80 UnicodeString pluralTestData[PLURAL_TEST_NUM] = {
81 UNICODE_STRING_SIMPLE("a: n is 1"),
82 UNICODE_STRING_SIMPLE("a: n mod 10 is 2"),
83 UNICODE_STRING_SIMPLE("a: n is not 1"),
84 UNICODE_STRING_SIMPLE("a: n mod 3 is not 1"),
85 UNICODE_STRING_SIMPLE("a: n in 2..5"),
86 UNICODE_STRING_SIMPLE("a: n within 2..5"),
87 UNICODE_STRING_SIMPLE("a: n not in 2..5"),
88 UNICODE_STRING_SIMPLE("a: n not within 2..5"),
89 UNICODE_STRING_SIMPLE("a: n mod 10 in 2..5"),
90 UNICODE_STRING_SIMPLE("a: n mod 10 within 2..5"),
91 UNICODE_STRING_SIMPLE("a: n mod 10 is 2 and n is not 12"),
92 UNICODE_STRING_SIMPLE("a: n mod 10 in 2..3 or n mod 10 is 5"),
93 UNICODE_STRING_SIMPLE("a: n mod 10 within 2..3 or n mod 10 is 5"),
94 UNICODE_STRING_SIMPLE("a: n is 1 or n is 4 or n is 23"),
95 UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n in 1..11"),
96 UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n within 1..11"),
97 UNICODE_STRING_SIMPLE("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6"),
98 "",
99 };
100 static const int32_t pluralTestResult[PLURAL_TEST_NUM][30] = {
101 {1, 0},
102 {2,12,22, 0},
103 {0,2,3,4,5,0},
104 {0,2,3,5,6,8,9,0},
105 {2,3,4,5,0},
106 {2,3,4,5,0},
107 {0,1,6,7,8, 0},
108 {0,1,6,7,8, 0},
109 {2,3,4,5,12,13,14,15,22,23,24,25,0},
110 {2,3,4,5,12,13,14,15,22,23,24,25,0},
111 {2,22,32,42,0},
112 {2,3,5,12,13,15,22,23,25,0},
113 {2,3,5,12,13,15,22,23,25,0},
114 {1,4,23,0},
115 {1,5,7,9,11,0},
116 {1,5,7,9,11,0},
117 {1,3,5,7,9,11,13,15,16,0},
118 };
119 UErrorCode status = U_ZERO_ERROR;
120
121 // ======= Test constructors
122 logln("Testing PluralRules constructors");
123
124
125 logln("\n start default locale test case ..\n");
126
127 PluralRules defRule(status);
128 LocalPointer<PluralRules> test(new PluralRules(status), status);
129 if(U_FAILURE(status)) {
130 dataerrln("ERROR: Could not create PluralRules (default) - exitting");
131 return;
132 }
133 LocalPointer<PluralRules> newEnPlural(test->forLocale(Locale::getEnglish(), status), status);
134 if(U_FAILURE(status)) {
135 dataerrln("ERROR: Could not create PluralRules (English) - exitting");
136 return;
137 }
138
139 // ======= Test clone, assignment operator && == operator.
140 LocalPointer<PluralRules> dupRule(defRule.clone());
141 if (dupRule==NULL) {
142 errln("ERROR: clone plural rules test failed!");
143 return;
144 } else {
145 if ( *dupRule != defRule ) {
146 errln("ERROR: clone plural rules test failed!");
147 }
148 }
149 *dupRule = *newEnPlural;
150 if (dupRule!=NULL) {
151 if ( *dupRule != *newEnPlural ) {
152 errln("ERROR: clone plural rules test failed!");
153 }
154 }
155
156 // ======= Test empty plural rules
157 logln("Testing Simple PluralRules");
158
159 LocalPointer<PluralRules> empRule(test->createRules(UNICODE_STRING_SIMPLE("a:n"), status));
160 UnicodeString key;
161 for (int32_t i=0; i<10; ++i) {
162 key = empRule->select(i);
163 if ( key.charAt(0)!= 0x61 ) { // 'a'
164 errln("ERROR: empty plural rules test failed! - exitting");
165 }
166 }
167
168 // ======= Test simple plural rules
169 logln("Testing Simple PluralRules");
170
171 char result[100];
172 int32_t max;
173
174 for (int32_t i=0; i<PLURAL_TEST_NUM-1; ++i) {
175 LocalPointer<PluralRules> newRules(test->createRules(pluralTestData[i], status));
176 setupResult(pluralTestResult[i], result, &max);
177 if ( !checkEqual(*newRules, result, max) ) {
178 errln("ERROR: simple plural rules failed! - exitting");
179 return;
180 }
181 }
182
183 // ======= Test complex plural rules
184 logln("Testing Complex PluralRules");
185 // TODO: the complex test data is hard coded. It's better to implement
186 // a parser to parse the test data.
187 UnicodeString complexRule = UNICODE_STRING_SIMPLE("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1");
188 UnicodeString complexRule2 = UNICODE_STRING_SIMPLE("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1");
189 char cRuleResult[] =
190 {
191 0x6F, // 'o'
192 0x63, // 'c'
193 0x61, // 'a'
194 0x61, // 'a'
195 0x61, // 'a'
196 0x61, // 'a'
197 0x62, // 'b'
198 0x62, // 'b'
199 0x62, // 'b'
200 0x63, // 'c'
201 0x6F, // 'o'
202 0x63 // 'c'
203 };
204 LocalPointer<PluralRules> newRules(test->createRules(complexRule, status));
205 if ( !checkEqual(*newRules, cRuleResult, 12) ) {
206 errln("ERROR: complex plural rules failed! - exitting");
207 return;
208 }
209 newRules.adoptInstead(test->createRules(complexRule2, status));
210 if ( !checkEqual(*newRules, cRuleResult, 12) ) {
211 errln("ERROR: complex plural rules failed! - exitting");
212 return;
213 }
214
215 // ======= Test decimal fractions plural rules
216 UnicodeString decimalRule= UNICODE_STRING_SIMPLE("a: n not in 0..100;");
217 UnicodeString KEYWORD_A = UNICODE_STRING_SIMPLE("a");
218 status = U_ZERO_ERROR;
219 newRules.adoptInstead(test->createRules(decimalRule, status));
220 if (U_FAILURE(status)) {
221 dataerrln("ERROR: Could not create PluralRules for testing fractions - exitting");
222 return;
223 }
224 double fData[] = {-101, -100, -1, -0.0, 0, 0.1, 1, 1.999, 2.0, 100, 100.001 };
225 UBool isKeywordA[] = {TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, TRUE };
226 for (int32_t i=0; i<UPRV_LENGTHOF(fData); i++) {
227 if ((newRules->select(fData[i])== KEYWORD_A) != isKeywordA[i]) {
228 errln("File %s, Line %d, ERROR: plural rules for decimal fractions test failed!\n"
229 " number = %g, expected %s", __FILE__, __LINE__, fData[i], isKeywordA[i]?"TRUE":"FALSE");
230 }
231 }
232
233 // ======= Test Equality
234 logln("Testing Equality of PluralRules");
235
236 if ( !testEquality(*test) ) {
237 errln("ERROR: complex plural rules failed! - exitting");
238 return;
239 }
240
241
242 // ======= Test getStaticClassID()
243 logln("Testing getStaticClassID()");
244
245 if(test->getDynamicClassID() != PluralRules::getStaticClassID()) {
246 errln("ERROR: getDynamicClassID() didn't return the expected value");
247 }
248 // ====== Test fallback to parent locale
249 LocalPointer<PluralRules> en_UK(test->forLocale(Locale::getUK(), status));
250 LocalPointer<PluralRules> en(test->forLocale(Locale::getEnglish(), status));
251 if (en_UK.isValid() && en.isValid()) {
252 if ( *en_UK != *en ) {
253 errln("ERROR: test locale fallback failed!");
254 }
255 }
256
257 LocalPointer<PluralRules> zh_Hant(test->forLocale(Locale::getTaiwan(), status));
258 LocalPointer<PluralRules> zh(test->forLocale(Locale::getChinese(), status));
259 if (zh_Hant.isValid() && zh.isValid()) {
260 if ( *zh_Hant != *zh ) {
261 errln("ERROR: test locale fallback failed!");
262 }
263 }
264 }
265
setupResult(const int32_t testSource[],char result[],int32_t * max)266 void setupResult(const int32_t testSource[], char result[], int32_t* max) {
267 int32_t i=0;
268 int32_t curIndex=0;
269
270 do {
271 while (curIndex < testSource[i]) {
272 result[curIndex++]=0x6F; //'o' other
273 }
274 result[curIndex++]=0x61; // 'a'
275
276 } while(testSource[++i]>0);
277 *max=curIndex;
278 }
279
280
checkEqual(const PluralRules & test,char * result,int32_t max)281 UBool checkEqual(const PluralRules &test, char *result, int32_t max) {
282 UnicodeString key;
283 UBool isEqual = TRUE;
284 for (int32_t i=0; i<max; ++i) {
285 key= test.select(i);
286 if ( key.charAt(0)!=result[i] ) {
287 isEqual = FALSE;
288 }
289 }
290 return isEqual;
291 }
292
293
294
295 static const int32_t MAX_EQ_ROW = 2;
296 static const int32_t MAX_EQ_COL = 5;
testEquality(const PluralRules & test)297 UBool testEquality(const PluralRules &test) {
298 UnicodeString testEquRules[MAX_EQ_ROW][MAX_EQ_COL] = {
299 { UNICODE_STRING_SIMPLE("a: n in 2..3"),
300 UNICODE_STRING_SIMPLE("a: n is 2 or n is 3"),
301 UNICODE_STRING_SIMPLE( "a:n is 3 and n in 2..5 or n is 2"),
302 "",
303 },
304 { UNICODE_STRING_SIMPLE("a: n is 12; b:n mod 10 in 2..3"),
305 UNICODE_STRING_SIMPLE("b: n mod 10 in 2..3 and n is not 12; a: n in 12..12"),
306 UNICODE_STRING_SIMPLE("b: n is 13; a: n in 12..13; b: n mod 10 is 2 or n mod 10 is 3"),
307 "",
308 }
309 };
310 UErrorCode status = U_ZERO_ERROR;
311 UnicodeString key[MAX_EQ_COL];
312 UBool ret=TRUE;
313 for (int32_t i=0; i<MAX_EQ_ROW; ++i) {
314 PluralRules* rules[MAX_EQ_COL];
315
316 for (int32_t j=0; j<MAX_EQ_COL; ++j) {
317 rules[j]=NULL;
318 }
319 int32_t totalRules=0;
320 while((totalRules<MAX_EQ_COL) && (testEquRules[i][totalRules].length()>0) ) {
321 rules[totalRules]=test.createRules(testEquRules[i][totalRules], status);
322 totalRules++;
323 }
324 for (int32_t n=0; n<300 && ret ; ++n) {
325 for(int32_t j=0; j<totalRules;++j) {
326 key[j] = rules[j]->select(n);
327 }
328 for(int32_t j=0; j<totalRules-1;++j) {
329 if (key[j]!=key[j+1]) {
330 ret= FALSE;
331 break;
332 }
333 }
334
335 }
336 for (int32_t j=0; j<MAX_EQ_COL; ++j) {
337 if (rules[j]!=NULL) {
338 delete rules[j];
339 }
340 }
341 }
342
343 return ret;
344 }
345
346 void
assertRuleValue(const UnicodeString & rule,double expected)347 PluralRulesTest::assertRuleValue(const UnicodeString& rule, double expected) {
348 assertRuleKeyValue("a:" + rule, "a", expected);
349 }
350
351 void
assertRuleKeyValue(const UnicodeString & rule,const UnicodeString & key,double expected)352 PluralRulesTest::assertRuleKeyValue(const UnicodeString& rule,
353 const UnicodeString& key, double expected) {
354 UErrorCode status = U_ZERO_ERROR;
355 PluralRules *pr = PluralRules::createRules(rule, status);
356 double result = pr->getUniqueKeywordValue(key);
357 delete pr;
358 if (expected != result) {
359 errln("expected %g but got %g", expected, result);
360 }
361 }
362
363 // TODO: UniqueKeywordValue() is not currently supported.
364 // If it never will be, this test code should be removed.
testGetUniqueKeywordValue()365 void PluralRulesTest::testGetUniqueKeywordValue() {
366 assertRuleValue("n is 1", 1);
367 assertRuleValue("n in 2..2", 2);
368 assertRuleValue("n within 2..2", 2);
369 assertRuleValue("n in 3..4", UPLRULES_NO_UNIQUE_VALUE);
370 assertRuleValue("n within 3..4", UPLRULES_NO_UNIQUE_VALUE);
371 assertRuleValue("n is 2 or n is 2", 2);
372 assertRuleValue("n is 2 and n is 2", 2);
373 assertRuleValue("n is 2 or n is 3", UPLRULES_NO_UNIQUE_VALUE);
374 assertRuleValue("n is 2 and n is 3", UPLRULES_NO_UNIQUE_VALUE);
375 assertRuleValue("n is 2 or n in 2..3", UPLRULES_NO_UNIQUE_VALUE);
376 assertRuleValue("n is 2 and n in 2..3", 2);
377 assertRuleKeyValue("a: n is 1", "not_defined", UPLRULES_NO_UNIQUE_VALUE); // key not defined
378 assertRuleKeyValue("a: n is 1", "other", UPLRULES_NO_UNIQUE_VALUE); // key matches default rule
379 }
380
testGetSamples()381 void PluralRulesTest::testGetSamples() {
382 // TODO: fix samples, re-enable this test.
383
384 // no get functional equivalent API in ICU4C, so just
385 // test every locale...
386 UErrorCode status = U_ZERO_ERROR;
387 int32_t numLocales;
388 const Locale* locales = Locale::getAvailableLocales(numLocales);
389
390 double values[1000];
391 for (int32_t i = 0; U_SUCCESS(status) && i < numLocales; ++i) {
392 PluralRules *rules = PluralRules::forLocale(locales[i], status);
393 if (U_FAILURE(status)) {
394 break;
395 }
396 StringEnumeration *keywords = rules->getKeywords(status);
397 if (U_FAILURE(status)) {
398 delete rules;
399 break;
400 }
401 const UnicodeString* keyword;
402 while (NULL != (keyword = keywords->snext(status))) {
403 int32_t count = rules->getSamples(*keyword, values, UPRV_LENGTHOF(values), status);
404 if (U_FAILURE(status)) {
405 errln(UNICODE_STRING_SIMPLE("getSamples() failed for locale ") +
406 locales[i].getName() +
407 UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
408 continue;
409 }
410 if (count == 0) {
411 // TODO: Lots of these.
412 // errln(UNICODE_STRING_SIMPLE("no samples for keyword ") + *keyword + UNICODE_STRING_SIMPLE(" in locale ") + locales[i].getName() );
413 }
414 if (count > UPRV_LENGTHOF(values)) {
415 errln(UNICODE_STRING_SIMPLE("getSamples()=") + count +
416 UNICODE_STRING_SIMPLE(", too many values, for locale ") +
417 locales[i].getName() +
418 UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
419 count = UPRV_LENGTHOF(values);
420 }
421 for (int32_t j = 0; j < count; ++j) {
422 if (values[j] == UPLRULES_NO_UNIQUE_VALUE) {
423 errln("got 'no unique value' among values");
424 } else {
425 UnicodeString resultKeyword = rules->select(values[j]);
426 // if (strcmp(locales[i].getName(), "uk") == 0) { // Debug only.
427 // std::cout << " uk " << US(resultKeyword).cstr() << " " << values[j] << std::endl;
428 // }
429 if (*keyword != resultKeyword) {
430 errln("file %s, line %d, Locale %s, sample for keyword \"%s\": %g, select(%g) returns keyword \"%s\"",
431 __FILE__, __LINE__, locales[i].getName(), US(*keyword).cstr(), values[j], values[j], US(resultKeyword).cstr());
432 }
433 }
434 }
435 }
436 delete keywords;
437 delete rules;
438 }
439 }
440
testWithin()441 void PluralRulesTest::testWithin() {
442 // goes to show you what lack of testing will do.
443 // of course, this has been broken for two years and no one has noticed...
444 UErrorCode status = U_ZERO_ERROR;
445 PluralRules *rules = PluralRules::createRules("a: n mod 10 in 5..8", status);
446 if (!rules) {
447 errln("couldn't instantiate rules");
448 return;
449 }
450
451 UnicodeString keyword = rules->select((int32_t)26);
452 if (keyword != "a") {
453 errln("expected 'a' for 26 but didn't get it.");
454 }
455
456 keyword = rules->select(26.5);
457 if (keyword != "other") {
458 errln("expected 'other' for 26.5 but didn't get it.");
459 }
460
461 delete rules;
462 }
463
464 void
testGetAllKeywordValues()465 PluralRulesTest::testGetAllKeywordValues() {
466 const char* data[] = {
467 "a: n in 2..5", "a: 2,3,4,5; other: null; b:",
468 "a: n not in 2..5", "a: null; other: null",
469 "a: n within 2..5", "a: null; other: null",
470 "a: n not within 2..5", "a: null; other: null",
471 "a: n in 2..5 or n within 6..8", "a: null", // ignore 'other' here on out, always null
472 "a: n in 2..5 and n within 6..8", "a:",
473 "a: n in 2..5 and n within 5..8", "a: 5",
474 "a: n within 2..5 and n within 6..8", "a:", // our sampling catches these
475 "a: n within 2..5 and n within 5..8", "a: 5", // ''
476 "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5", "a: 2,4",
477 "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5 "
478 "or n within 5..6 and n within 6..7", "a: null", // but not this...
479 "a: n mod 3 is 0", "a: null",
480 "a: n mod 3 is 0 and n within 1..2", "a:",
481 "a: n mod 3 is 0 and n within 0..5", "a: 0,3",
482 "a: n mod 3 is 0 and n within 0..6", "a: null", // similarly with mod, we don't catch...
483 "a: n mod 3 is 0 and n in 3..12", "a: 3,6,9,12",
484 NULL
485 };
486
487 for (int i = 0; data[i] != NULL; i += 2) {
488 UErrorCode status = U_ZERO_ERROR;
489 UnicodeString ruleDescription(data[i], -1, US_INV);
490 const char* result = data[i+1];
491
492 logln("[%d] %s", i >> 1, data[i]);
493
494 PluralRules *p = PluralRules::createRules(ruleDescription, status);
495 if (p == NULL || U_FAILURE(status)) {
496 errln("file %s, line %d: could not create rules from '%s'\n"
497 " ErrorCode: %s\n",
498 __FILE__, __LINE__, data[i], u_errorName(status));
499 continue;
500 }
501
502 // TODO: fix samples implementation, re-enable test.
503 (void)result;
504 #if 0
505
506 const char* rp = result;
507 while (*rp) {
508 while (*rp == ' ') ++rp;
509 if (!rp) {
510 break;
511 }
512
513 const char* ep = rp;
514 while (*ep && *ep != ':') ++ep;
515
516 status = U_ZERO_ERROR;
517 UnicodeString keyword(rp, ep - rp, US_INV);
518 double samples[4]; // no test above should have more samples than 4
519 int32_t count = p->getAllKeywordValues(keyword, &samples[0], 4, status);
520 if (U_FAILURE(status)) {
521 errln("error getting samples for %s", rp);
522 break;
523 }
524
525 if (count > 4) {
526 errln("count > 4 for keyword %s", rp);
527 count = 4;
528 }
529
530 if (*ep) {
531 ++ep; // skip colon
532 while (*ep && *ep == ' ') ++ep; // and spaces
533 }
534
535 UBool ok = TRUE;
536 if (count == -1) {
537 if (*ep != 'n') {
538 errln("expected values for keyword %s but got -1 (%s)", rp, ep);
539 ok = FALSE;
540 }
541 } else if (*ep == 'n') {
542 errln("expected count of -1, got %d, for keyword %s (%s)", count, rp, ep);
543 ok = FALSE;
544 }
545
546 // We'll cheat a bit here. The samples happend to be in order and so are our
547 // expected values, so we'll just test in order until a failure. If the
548 // implementation changes to return samples in an arbitrary order, this test
549 // must change. There's no actual restriction on the order of the samples.
550
551 for (int j = 0; ok && j < count; ++j ) { // we've verified count < 4
552 double val = samples[j];
553 if (*ep == 0 || *ep == ';') {
554 errln("got unexpected value[%d]: %g", j, val);
555 ok = FALSE;
556 break;
557 }
558 char* xp;
559 double expectedVal = strtod(ep, &xp);
560 if (xp == ep) {
561 // internal error
562 errln("yikes!");
563 ok = FALSE;
564 break;
565 }
566 ep = xp;
567 if (expectedVal != val) {
568 errln("expected %g but got %g", expectedVal, val);
569 ok = FALSE;
570 break;
571 }
572 if (*ep == ',') ++ep;
573 }
574
575 if (ok && count != -1) {
576 if (!(*ep == 0 || *ep == ';')) {
577 errln("file: %s, line %d, didn't get expected value: %s", __FILE__, __LINE__, ep);
578 ok = FALSE;
579 }
580 }
581
582 while (*ep && *ep != ';') ++ep;
583 if (*ep == ';') ++ep;
584 rp = ep;
585 }
586 #endif
587 delete p;
588 }
589 }
590
testOrdinal()591 void PluralRulesTest::testOrdinal() {
592 IcuTestErrorCode errorCode(*this, "testOrdinal");
593 LocalPointer<PluralRules> pr(PluralRules::forLocale("en", UPLURAL_TYPE_ORDINAL, errorCode));
594 if (errorCode.logIfFailureAndReset("PluralRules::forLocale(en, UPLURAL_TYPE_ORDINAL) failed")) {
595 return;
596 }
597 UnicodeString keyword = pr->select(2.);
598 if (keyword != UNICODE_STRING("two", 3)) {
599 dataerrln("PluralRules(en-ordinal).select(2) failed");
600 }
601 }
602
603
604 static const char * END_MARK = "999.999"; // Mark end of varargs data.
605
checkSelect(const LocalPointer<PluralRules> & rules,UErrorCode & status,int32_t line,const char * keyword,...)606 void PluralRulesTest::checkSelect(const LocalPointer<PluralRules> &rules, UErrorCode &status,
607 int32_t line, const char *keyword, ...) {
608 // The varargs parameters are a const char* strings, each being a decimal number.
609 // The formatting of the numbers as strings is significant, e.g.
610 // the difference between "2" and "2.0" can affect which rule matches (which keyword is selected).
611 // Note: rules parameter is a LocalPointer reference rather than a PluralRules * to avoid having
612 // to write getAlias() at every (numerous) call site.
613
614 if (U_FAILURE(status)) {
615 errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
616 status = U_ZERO_ERROR;
617 return;
618 }
619
620 if (rules == NULL) {
621 errln("file %s, line %d: rules pointer is NULL", __FILE__, line);
622 return;
623 }
624
625 va_list ap;
626 va_start(ap, keyword);
627 for (;;) {
628 const char *num = va_arg(ap, const char *);
629 if (strcmp(num, END_MARK) == 0) {
630 break;
631 }
632
633 // DigitList is a convenient way to parse the decimal number string and get a double.
634 DigitList dl;
635 dl.set(StringPiece(num), status);
636 if (U_FAILURE(status)) {
637 errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
638 status = U_ZERO_ERROR;
639 continue;
640 }
641 double numDbl = dl.getDouble();
642 const char *decimalPoint = strchr(num, '.');
643 int fractionDigitCount = decimalPoint == NULL ? 0 : (num + strlen(num) - 1) - decimalPoint;
644 int fractionDigits = fractionDigitCount == 0 ? 0 : atoi(decimalPoint + 1);
645 FixedDecimal ni(numDbl, fractionDigitCount, fractionDigits);
646
647 UnicodeString actualKeyword = rules->select(ni);
648 if (actualKeyword != UnicodeString(keyword)) {
649 errln("file %s, line %d, select(%s) returned incorrect keyword. Expected %s, got %s",
650 __FILE__, line, num, keyword, US(actualKeyword).cstr());
651 }
652 }
653 va_end(ap);
654 }
655
testSelect()656 void PluralRulesTest::testSelect() {
657 UErrorCode status = U_ZERO_ERROR;
658 LocalPointer<PluralRules> pr(PluralRules::createRules("s: n in 1,3,4,6", status));
659 checkSelect(pr, status, __LINE__, "s", "1.0", "3.0", "4.0", "6.0", END_MARK);
660 checkSelect(pr, status, __LINE__, "other", "0.0", "2.0", "3.1", "7.0", END_MARK);
661
662 pr.adoptInstead(PluralRules::createRules("s: n not in 1,3,4,6", status));
663 checkSelect(pr, status, __LINE__, "other", "1.0", "3.0", "4.0", "6.0", END_MARK);
664 checkSelect(pr, status, __LINE__, "s", "0.0", "2.0", "3.1", "7.0", END_MARK);
665
666 pr.adoptInstead(PluralRules::createRules("r: n in 1..4, 7..10, 14 .. 17;"
667 "s: n is 29;", status));
668 checkSelect(pr, status, __LINE__, "r", "1.0", "3.0", "7.0", "8.0", "10.0", "14.0", "17.0", END_MARK);
669 checkSelect(pr, status, __LINE__, "s", "29.0", END_MARK);
670 checkSelect(pr, status, __LINE__, "other", "28.0", "29.1", END_MARK);
671
672 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 1; b: n mod 100 is 0 ", status));
673 checkSelect(pr, status, __LINE__, "a", "1", "11", "41", "101", "301.00", END_MARK);
674 checkSelect(pr, status, __LINE__, "b", "0", "100", "200.0", "300.", "1000", "1100", "110000", END_MARK);
675 checkSelect(pr, status, __LINE__, "other", "0.01", "1.01", "0.99", "2", "3", "99", "102", END_MARK);
676
677 // Rules that end with or without a ';' and with or without trailing spaces.
678 // (There was a rule parser bug here with these.)
679 pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
680 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
681 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
682
683 pr.adoptInstead(PluralRules::createRules("a: n is 1 ", status));
684 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
685 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
686
687 pr.adoptInstead(PluralRules::createRules("a: n is 1;", status));
688 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
689 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
690
691 pr.adoptInstead(PluralRules::createRules("a: n is 1 ; ", status));
692 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
693 checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
694
695 // First match when rules for different keywords are not disjoint.
696 // Also try spacing variations around ':' and '..'
697 pr.adoptInstead(PluralRules::createRules("c: n in 5..15; b : n in 1..10 ;a:n in 10 .. 20", status));
698 checkSelect(pr, status, __LINE__, "a", "20", END_MARK);
699 checkSelect(pr, status, __LINE__, "b", "1", END_MARK);
700 checkSelect(pr, status, __LINE__, "c", "10", END_MARK);
701 checkSelect(pr, status, __LINE__, "other", "0", "21", "10.1", END_MARK);
702
703 // in vs within
704 pr.adoptInstead(PluralRules::createRules("a: n in 2..10; b: n within 8..15", status));
705 checkSelect(pr, status, __LINE__, "a", "2", "8", "10", END_MARK);
706 checkSelect(pr, status, __LINE__, "b", "8.01", "9.5", "11", "14.99", "15", END_MARK);
707 checkSelect(pr, status, __LINE__, "other", "1", "7.7", "15.01", "16", END_MARK);
708
709 // OR and AND chains.
710 pr.adoptInstead(PluralRules::createRules("a: n in 2..10 and n in 4..12 and n not in 5..7", status));
711 checkSelect(pr, status, __LINE__, "a", "4", "8", "9", "10", END_MARK);
712 checkSelect(pr, status, __LINE__, "other", "2", "3", "5", "7", "11", END_MARK);
713 pr.adoptInstead(PluralRules::createRules("a: n is 2 or n is 5 or n in 7..11 and n in 11..13", status));
714 checkSelect(pr, status, __LINE__, "a", "2", "5", "11", END_MARK);
715 checkSelect(pr, status, __LINE__, "other", "3", "4", "6", "8", "10", "12", "13", END_MARK);
716
717 // Number attributes -
718 // n: the number itself
719 // i: integer digits
720 // f: visible fraction digits
721 // t: f with trailing zeros removed.
722 // v: number of visible fraction digits
723 // j: = n if there are no visible fraction digits
724 // != anything if there are visible fraction digits
725
726 pr.adoptInstead(PluralRules::createRules("a: i is 123", status));
727 checkSelect(pr, status, __LINE__, "a", "123", "123.0", "123.1", "0123.99", END_MARK);
728 checkSelect(pr, status, __LINE__, "other", "124", "122.0", END_MARK);
729
730 pr.adoptInstead(PluralRules::createRules("a: f is 120", status));
731 checkSelect(pr, status, __LINE__, "a", "1.120", "0.120", "11123.120", "0123.120", END_MARK);
732 checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200", "1.12", "120", END_MARK);
733
734 pr.adoptInstead(PluralRules::createRules("a: t is 12", status));
735 checkSelect(pr, status, __LINE__, "a", "1.120", "0.12", "11123.12000", "0123.1200000", END_MARK);
736 checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200001", "1.11", "12", END_MARK);
737
738 pr.adoptInstead(PluralRules::createRules("a: v is 3", status));
739 checkSelect(pr, status, __LINE__, "a", "1.120", "0.000", "11123.100", "0123.124", ".666", END_MARK);
740 checkSelect(pr, status, __LINE__, "other", "1.1212", "122.12", "1.1", "122", "0.0000", END_MARK);
741
742 pr.adoptInstead(PluralRules::createRules("a: v is 0 and i is 123", status));
743 checkSelect(pr, status, __LINE__, "a", "123", "123.", END_MARK);
744 checkSelect(pr, status, __LINE__, "other", "123.0", "123.1", "123.123", "0.123", END_MARK);
745
746 // The reserved words from the rule syntax will also function as keywords.
747 pr.adoptInstead(PluralRules::createRules("a: n is 21; n: n is 22; i: n is 23; f: n is 24;"
748 "t: n is 25; v: n is 26; w: n is 27; j: n is 28"
749 , status));
750 checkSelect(pr, status, __LINE__, "other", "20", "29", END_MARK);
751 checkSelect(pr, status, __LINE__, "a", "21", END_MARK);
752 checkSelect(pr, status, __LINE__, "n", "22", END_MARK);
753 checkSelect(pr, status, __LINE__, "i", "23", END_MARK);
754 checkSelect(pr, status, __LINE__, "f", "24", END_MARK);
755 checkSelect(pr, status, __LINE__, "t", "25", END_MARK);
756 checkSelect(pr, status, __LINE__, "v", "26", END_MARK);
757 checkSelect(pr, status, __LINE__, "w", "27", END_MARK);
758 checkSelect(pr, status, __LINE__, "j", "28", END_MARK);
759
760
761 pr.adoptInstead(PluralRules::createRules("not: n=31; and: n=32; or: n=33; mod: n=34;"
762 "in: n=35; within: n=36;is:n=37"
763 , status));
764 checkSelect(pr, status, __LINE__, "other", "30", "39", END_MARK);
765 checkSelect(pr, status, __LINE__, "not", "31", END_MARK);
766 checkSelect(pr, status, __LINE__, "and", "32", END_MARK);
767 checkSelect(pr, status, __LINE__, "or", "33", END_MARK);
768 checkSelect(pr, status, __LINE__, "mod", "34", END_MARK);
769 checkSelect(pr, status, __LINE__, "in", "35", END_MARK);
770 checkSelect(pr, status, __LINE__, "within", "36", END_MARK);
771 checkSelect(pr, status, __LINE__, "is", "37", END_MARK);
772
773 // Test cases from ICU4J PluralRulesTest.parseTestData
774
775 pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
776 checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
777 pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2", status));
778 checkSelect(pr, status, __LINE__, "a", "2", "12", "22", END_MARK);
779 pr.adoptInstead(PluralRules::createRules("a: n is not 1", status));
780 checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "4", "5", END_MARK);
781 pr.adoptInstead(PluralRules::createRules("a: n mod 3 is not 1", status));
782 checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "5", "6", "8", "9", END_MARK);
783 pr.adoptInstead(PluralRules::createRules("a: n in 2..5", status));
784 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
785 pr.adoptInstead(PluralRules::createRules("a: n within 2..5", status));
786 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
787 pr.adoptInstead(PluralRules::createRules("a: n not in 2..5", status));
788 checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
789 pr.adoptInstead(PluralRules::createRules("a: n not within 2..5", status));
790 checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
791 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 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 within 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 is 2 and n is not 12", status));
796 checkSelect(pr, status, __LINE__, "a", "2", "22", "32", "42", END_MARK);
797 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 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 mod 10 within 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 is 1 or n is 4 or n is 23", status));
802 checkSelect(pr, status, __LINE__, "a", "1", "4", "23", END_MARK);
803 pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n in 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 and n is not 3 and n within 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 or n mod 5 is 1 and n is not 6", status));
808 checkSelect(pr, status, __LINE__, "a", "1", "3", "5", "7", "9", "11", "13", "15", "16", END_MARK);
809 pr.adoptInstead(PluralRules::createRules("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1", status));
810 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
811 checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
812 checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
813 pr.adoptInstead(PluralRules::createRules("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1", status));
814 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
815 checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
816 checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
817 pr.adoptInstead(PluralRules::createRules("a: n in 2, 4..6; b: n within 7..9,11..12,20", status));
818 checkSelect(pr, status, __LINE__, "a", "2", "4", "5", "6", END_MARK);
819 checkSelect(pr, status, __LINE__, "b", "7", "8", "9", "11", "12", "20", END_MARK);
820 pr.adoptInstead(PluralRules::createRules("a: n in 2..8, 12 and n not in 4..6", status));
821 checkSelect(pr, status, __LINE__, "a", "2", "3", "7", "8", "12", END_MARK);
822 pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2, 3,5..7 and n is not 12", status));
823 checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "6", "7", "13", "15", "16", "17", END_MARK);
824 pr.adoptInstead(PluralRules::createRules("a: n in 2..6, 3..7", status));
825 checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "6", "7", END_MARK);
826
827 // Extended Syntax, with '=', '!=' and '%' operators.
828 pr.adoptInstead(PluralRules::createRules("a: n = 1..8 and n!= 2,3,4,5", status));
829 checkSelect(pr, status, __LINE__, "a", "1", "6", "7", "8", END_MARK);
830 checkSelect(pr, status, __LINE__, "other", "0", "2", "3", "4", "5", "9", END_MARK);
831 pr.adoptInstead(PluralRules::createRules("a:n % 10 != 1", status));
832 checkSelect(pr, status, __LINE__, "a", "2", "6", "7", "8", END_MARK);
833 checkSelect(pr, status, __LINE__, "other", "1", "21", "211", "91", END_MARK);
834 }
835
836
testAvailbleLocales()837 void PluralRulesTest::testAvailbleLocales() {
838
839 // Hash set of (char *) strings.
840 UErrorCode status = U_ZERO_ERROR;
841 UHashtable *localeSet = uhash_open(uhash_hashUnicodeString, uhash_compareUnicodeString, uhash_compareLong, &status);
842 uhash_setKeyDeleter(localeSet, uprv_deleteUObject);
843 if (U_FAILURE(status)) {
844 errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
845 return;
846 }
847
848 // Check that each locale returned by the iterator is unique.
849 StringEnumeration *localesEnum = PluralRules::getAvailableLocales(status);
850 int localeCount = 0;
851 for (;;) {
852 const char *locale = localesEnum->next(NULL, status);
853 if (U_FAILURE(status)) {
854 dataerrln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
855 return;
856 }
857 if (locale == NULL) {
858 break;
859 }
860 localeCount++;
861 int32_t oldVal = uhash_puti(localeSet, new UnicodeString(locale), 1, &status);
862 if (oldVal != 0) {
863 errln("file %s, line %d: locale %s was seen before.", __FILE__, __LINE__, locale);
864 }
865 }
866
867 // Reset the iterator, verify that we get the same count.
868 localesEnum->reset(status);
869 int32_t localeCount2 = 0;
870 while (localesEnum->next(NULL, status) != NULL) {
871 if (U_FAILURE(status)) {
872 errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
873 break;
874 }
875 localeCount2++;
876 }
877 if (localeCount != localeCount2) {
878 errln("file %s, line %d: locale counts differ. They are (%d, %d)",
879 __FILE__, __LINE__, localeCount, localeCount2);
880 }
881
882 // Instantiate plural rules for each available locale.
883 localesEnum->reset(status);
884 for (;;) {
885 status = U_ZERO_ERROR;
886 const char *localeName = localesEnum->next(NULL, status);
887 if (U_FAILURE(status)) {
888 errln("file %s, line %d: Error status = %s, locale = %s",
889 __FILE__, __LINE__, u_errorName(status), localeName);
890 return;
891 }
892 if (localeName == NULL) {
893 break;
894 }
895 Locale locale = Locale::createFromName(localeName);
896 PluralRules *pr = PluralRules::forLocale(locale, status);
897 if (U_FAILURE(status)) {
898 errln("file %s, line %d: Error %s creating plural rules for locale %s",
899 __FILE__, __LINE__, u_errorName(status), localeName);
900 continue;
901 }
902 if (pr == NULL) {
903 errln("file %s, line %d: Null plural rules for locale %s", __FILE__, __LINE__, localeName);
904 continue;
905 }
906
907 // Pump some numbers through the plural rules. Can't check for correct results,
908 // mostly this to tickle any asserts or crashes that may be lurking.
909 for (double n=0; n<120.0; n+=0.5) {
910 UnicodeString keyword = pr->select(n);
911 if (keyword.length() == 0) {
912 errln("file %s, line %d, empty keyword for n = %g, locale %s",
913 __FILE__, __LINE__, n, localeName);
914 }
915 }
916 delete pr;
917 }
918
919 uhash_close(localeSet);
920 delete localesEnum;
921
922 }
923
924
testParseErrors()925 void PluralRulesTest::testParseErrors() {
926 // Test rules with syntax errors.
927 // Creation of PluralRules from them should fail.
928
929 static const char *testCases[] = {
930 "a: n mod 10, is 1",
931 "a: q is 13",
932 "a n is 13",
933 "a: n is 13,",
934 "a: n is 13, 15, b: n is 4",
935 "a: n is 1, 3, 4.. ",
936 "a: n within 5..4",
937 "A: n is 13", // Uppercase keywords not allowed.
938 "a: n ! = 3", // spaces in != operator
939 "a: n = not 3", // '=' not exact equivalent of 'is'
940 "a: n ! in 3..4" // '!' not exact equivalent of 'not'
941 "a: n % 37 ! in 3..4"
942
943 };
944 for (int i=0; i<UPRV_LENGTHOF(testCases); i++) {
945 const char *rules = testCases[i];
946 UErrorCode status = U_ZERO_ERROR;
947 PluralRules *pr = PluralRules::createRules(UnicodeString(rules), status);
948 if (U_SUCCESS(status)) {
949 errln("file %s, line %d, expected failure with \"%s\".", __FILE__, __LINE__, rules);
950 }
951 if (pr != NULL) {
952 errln("file %s, line %d, expected NULL. Rules: \"%s\"", __FILE__, __LINE__, rules);
953 }
954 }
955 return;
956 }
957
958
testFixedDecimal()959 void PluralRulesTest::testFixedDecimal() {
960 struct DoubleTestCase {
961 double n;
962 int32_t fractionDigitCount;
963 int64_t fractionDigits;
964 };
965
966 // Check that the internal functions for extracting the decimal fraction digits from
967 // a double value are working.
968 static DoubleTestCase testCases[] = {
969 {1.0, 0, 0},
970 {123456.0, 0, 0},
971 {1.1, 1, 1},
972 {1.23, 2, 23},
973 {1.234, 3, 234},
974 {1.2345, 4, 2345},
975 {1.23456, 5, 23456},
976 {.1234, 4, 1234},
977 {.01234, 5, 1234},
978 {.001234, 6, 1234},
979 {.0001234, 7, 1234},
980 {100.1234, 4, 1234},
981 {100.01234, 5, 1234},
982 {100.001234, 6, 1234},
983 {100.0001234, 7, 1234}
984 };
985
986 for (int i=0; i<UPRV_LENGTHOF(testCases); ++i) {
987 DoubleTestCase &tc = testCases[i];
988 int32_t numFractionDigits = FixedDecimal::decimals(tc.n);
989 if (numFractionDigits != tc.fractionDigitCount) {
990 errln("file %s, line %d: decimals(%g) expected %d, actual %d",
991 __FILE__, __LINE__, tc.n, tc.fractionDigitCount, numFractionDigits);
992 continue;
993 }
994 int64_t actualFractionDigits = FixedDecimal::getFractionalDigits(tc.n, numFractionDigits);
995 if (actualFractionDigits != tc.fractionDigits) {
996 errln("file %s, line %d: getFractionDigits(%g, %d): expected %ld, got %ld",
997 __FILE__, __LINE__, tc.n, numFractionDigits, tc.fractionDigits, actualFractionDigits);
998 }
999 }
1000 }
1001
1002
1003
1004 #endif /* #if !UCONFIG_NO_FORMATTING */
1005