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1 /*
2  **********************************************************************
3  *   Copyright (C) 2005-2014, International Business Machines
4  *   Corporation and others.  All Rights Reserved.
5  **********************************************************************
6  */
7 
8 #include "unicode/utypes.h"
9 
10 #if !UCONFIG_NO_COLLATION
11 
12 #include "cmemory.h"
13 #include "cstring.h"
14 #include "usrchimp.h"
15 
16 #include "unicode/coll.h"
17 #include "unicode/tblcoll.h"
18 #include "unicode/usearch.h"
19 #include "unicode/uset.h"
20 #include "unicode/ustring.h"
21 
22 #include "unicode/coleitr.h"
23 #include "unicode/regex.h"        // TODO: make conditional on regexp being built.
24 
25 #include "colldata.h"
26 #include "ssearch.h"
27 #include "xmlparser.h"
28 
29 #include <stdio.h>  // for sprintf
30 
31 char testId[100];
32 
33 #define TEST_ASSERT(x) {if (!(x)) { \
34     errln("Failure in file %s, line %d, test ID = \"%s\"", __FILE__, __LINE__, testId);}}
35 
36 #define TEST_ASSERT_M(x, m) {if (!(x)) { \
37     dataerrln("Failure in file %s, line %d.   \"%s\"", __FILE__, __LINE__, m);return;}}
38 
39 #define TEST_ASSERT_SUCCESS(errcode) {if (U_FAILURE(errcode)) { \
40     dataerrln("Failure in file %s, line %d, test ID \"%s\", status = \"%s\"", \
41           __FILE__, __LINE__, testId, u_errorName(errcode));}}
42 
43 #define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
44 #define NEW_ARRAY(type, count) (type *) uprv_malloc((count) * sizeof(type))
45 #define DELETE_ARRAY(array) uprv_free((void *) (array))
46 
47 //---------------------------------------------------------------------------
48 //
49 //  Test class boilerplate
50 //
51 //---------------------------------------------------------------------------
SSearchTest()52 SSearchTest::SSearchTest()
53 {
54 }
55 
~SSearchTest()56 SSearchTest::~SSearchTest()
57 {
58 }
59 
runIndexedTest(int32_t index,UBool exec,const char * & name,char * params)60 void SSearchTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char *params )
61 {
62     if (exec) logln("TestSuite SSearchTest: ");
63     switch (index) {
64 #if !UCONFIG_NO_BREAK_ITERATION
65        case 0: name = "searchTest";
66             if (exec) searchTest();
67             break;
68 
69         case 1: name = "offsetTest";
70             if (exec) offsetTest();
71             break;
72 
73         case 2: name = "monkeyTest";
74             if (exec) monkeyTest(params);
75             break;
76 
77         case 3: name = "sharpSTest";
78             if (exec) sharpSTest();
79             break;
80 
81         case 4: name = "goodSuffixTest";
82             if (exec) goodSuffixTest();
83             break;
84 
85         case 5: name = "searchTime";
86             if (exec) searchTime();
87             break;
88 #endif
89         default: name = "";
90             break; //needed to end loop
91     }
92 }
93 
94 
95 #if !UCONFIG_NO_BREAK_ITERATION
96 
97 #define PATH_BUFFER_SIZE 2048
getPath(char buffer[2048],const char * filename)98 const char *SSearchTest::getPath(char buffer[2048], const char *filename) {
99     UErrorCode status = U_ZERO_ERROR;
100     const char *testDataDirectory = IntlTest::getSourceTestData(status);
101 
102     if (U_FAILURE(status) || strlen(testDataDirectory) + strlen(filename) + 1 >= PATH_BUFFER_SIZE) {
103         errln("ERROR: getPath() failed - %s", u_errorName(status));
104         return NULL;
105     }
106 
107     strcpy(buffer, testDataDirectory);
108     strcat(buffer, filename);
109     return buffer;
110 }
111 
112 
searchTest()113 void SSearchTest::searchTest()
114 {
115 #if !UCONFIG_NO_REGULAR_EXPRESSIONS && !UCONFIG_NO_FILE_IO
116     UErrorCode status = U_ZERO_ERROR;
117     char path[PATH_BUFFER_SIZE];
118     const char *testFilePath = getPath(path, "ssearch.xml");
119 
120     if (testFilePath == NULL) {
121         return; /* Couldn't get path: error message already output. */
122     }
123 
124     LocalPointer<UXMLParser> parser(UXMLParser::createParser(status));
125     TEST_ASSERT_SUCCESS(status);
126     LocalPointer<UXMLElement> root(parser->parseFile(testFilePath, status));
127     TEST_ASSERT_SUCCESS(status);
128     if (U_FAILURE(status)) {
129         return;
130     }
131 
132     const UnicodeString *debugTestCase = root->getAttribute("debug");
133     if (debugTestCase != NULL) {
134 //       setenv("USEARCH_DEBUG", "1", 1);
135     }
136 
137 
138     const UXMLElement *testCase;
139     int32_t tc = 0;
140 
141     while((testCase = root->nextChildElement(tc)) != NULL) {
142 
143         if (testCase->getTagName().compare("test-case") != 0) {
144             errln("ssearch, unrecognized XML Element in test file");
145             continue;
146         }
147         const UnicodeString *id       = testCase->getAttribute("id");
148         *testId = 0;
149         if (id != NULL) {
150             id->extract(0, id->length(), testId,  sizeof(testId), US_INV);
151         }
152 
153         // If debugging test case has been specified and this is not it, skip to next.
154         if (id!=NULL && debugTestCase!=NULL && *id != *debugTestCase) {
155             continue;
156         }
157         //
158         //  Get the requested collation strength.
159         //    Default is tertiary if the XML attribute is missing from the test case.
160         //
161         const UnicodeString *strength = testCase->getAttribute("strength");
162         UColAttributeValue collatorStrength = UCOL_PRIMARY;
163         if      (strength==NULL)          { collatorStrength = UCOL_TERTIARY;}
164         else if (*strength=="PRIMARY")    { collatorStrength = UCOL_PRIMARY;}
165         else if (*strength=="SECONDARY")  { collatorStrength = UCOL_SECONDARY;}
166         else if (*strength=="TERTIARY")   { collatorStrength = UCOL_TERTIARY;}
167         else if (*strength=="QUATERNARY") { collatorStrength = UCOL_QUATERNARY;}
168         else if (*strength=="IDENTICAL")  { collatorStrength = UCOL_IDENTICAL;}
169         else {
170             // Bogus value supplied for strength.  Shouldn't happen, even from
171             //  typos, if the  XML source has been validated.
172             //  This assert is a little deceiving in that strength can be
173             //   any of the allowed values, not just TERTIARY, but it will
174             //   do the job of getting the error output.
175             TEST_ASSERT(*strength=="TERTIARY")
176         }
177 
178         //
179         // Get the collator normalization flag.  Default is UCOL_OFF.
180         //
181         UColAttributeValue normalize = UCOL_OFF;
182         const UnicodeString *norm = testCase->getAttribute("norm");
183         TEST_ASSERT (norm==NULL || *norm=="ON" || *norm=="OFF");
184         if (norm!=NULL && *norm=="ON") {
185             normalize = UCOL_ON;
186         }
187 
188         //
189         // Get the alternate_handling flag. Default is UCOL_NON_IGNORABLE.
190         //
191         UColAttributeValue alternateHandling = UCOL_NON_IGNORABLE;
192         const UnicodeString *alt = testCase->getAttribute("alternate_handling");
193         TEST_ASSERT (alt == NULL || *alt == "SHIFTED" || *alt == "NON_IGNORABLE");
194         if (alt != NULL && *alt == "SHIFTED") {
195             alternateHandling = UCOL_SHIFTED;
196         }
197 
198         const UnicodeString defLocale("en");
199         char  clocale[100];
200         const UnicodeString *locale   = testCase->getAttribute("locale");
201         if (locale == NULL || locale->length()==0) {
202             locale = &defLocale;
203         };
204         locale->extract(0, locale->length(), clocale, sizeof(clocale), NULL);
205 
206 
207         UnicodeString  text;
208         UnicodeString  target;
209         UnicodeString  pattern;
210         int32_t        expectedMatchStart = -1;
211         int32_t        expectedMatchLimit = -1;
212         const UXMLElement  *n;
213         int32_t                nodeCount = 0;
214 
215         n = testCase->getChildElement("pattern");
216         TEST_ASSERT(n != NULL);
217         if (n==NULL) {
218             continue;
219         }
220         text = n->getText(FALSE);
221         text = text.unescape();
222         pattern.append(text);
223         nodeCount++;
224 
225         n = testCase->getChildElement("pre");
226         if (n!=NULL) {
227             text = n->getText(FALSE);
228             text = text.unescape();
229             target.append(text);
230             nodeCount++;
231         }
232 
233         n = testCase->getChildElement("m");
234         if (n!=NULL) {
235             expectedMatchStart = target.length();
236             text = n->getText(FALSE);
237             text = text.unescape();
238             target.append(text);
239             expectedMatchLimit = target.length();
240             nodeCount++;
241         }
242 
243         n = testCase->getChildElement("post");
244         if (n!=NULL) {
245             text = n->getText(FALSE);
246             text = text.unescape();
247             target.append(text);
248             nodeCount++;
249         }
250 
251         //  Check that there weren't extra things in the XML
252         TEST_ASSERT(nodeCount == testCase->countChildren());
253 
254         // Open a collator and StringSearch based on the parameters
255         //   obtained from the XML.
256         //
257         status = U_ZERO_ERROR;
258         LocalUCollatorPointer collator(ucol_open(clocale, &status));
259         ucol_setStrength(collator.getAlias(), collatorStrength);
260         ucol_setAttribute(collator.getAlias(), UCOL_NORMALIZATION_MODE, normalize, &status);
261         ucol_setAttribute(collator.getAlias(), UCOL_ALTERNATE_HANDLING, alternateHandling, &status);
262         LocalUStringSearchPointer uss(usearch_openFromCollator(pattern.getBuffer(), pattern.length(),
263                                                                target.getBuffer(), target.length(),
264                                                                collator.getAlias(),
265                                                                NULL,     // the break iterator
266                                                                &status));
267 
268         TEST_ASSERT_SUCCESS(status);
269         if (U_FAILURE(status)) {
270             continue;
271         }
272 
273         int32_t foundStart = 0;
274         int32_t foundLimit = 0;
275         UBool   foundMatch;
276 
277         //
278         // Do the search, check the match result against the expected results.
279         //
280         foundMatch= usearch_search(uss.getAlias(), 0, &foundStart, &foundLimit, &status);
281         TEST_ASSERT_SUCCESS(status);
282         if ((foundMatch && expectedMatchStart<0) ||
283             (foundStart != expectedMatchStart)   ||
284             (foundLimit != expectedMatchLimit)) {
285                 TEST_ASSERT(FALSE);   //  ouput generic error position
286                 infoln("Found, expected match start = %d, %d \n"
287                        "Found, expected match limit = %d, %d",
288                 foundStart, expectedMatchStart, foundLimit, expectedMatchLimit);
289         }
290 
291         // In case there are other matches...
292         // (should we only do this if the test case passed?)
293         while (foundMatch) {
294             expectedMatchStart = foundStart;
295             expectedMatchLimit = foundLimit;
296 
297             foundMatch = usearch_search(uss.getAlias(), foundLimit, &foundStart, &foundLimit, &status);
298         }
299 
300         uss.adoptInstead(usearch_openFromCollator(pattern.getBuffer(), pattern.length(),
301             target.getBuffer(), target.length(),
302             collator.getAlias(),
303             NULL,
304             &status));
305 
306         //
307         // Do the backwards search, check the match result against the expected results.
308         //
309         foundMatch= usearch_searchBackwards(uss.getAlias(), target.length(), &foundStart, &foundLimit, &status);
310         TEST_ASSERT_SUCCESS(status);
311         if ((foundMatch && expectedMatchStart<0) ||
312             (foundStart != expectedMatchStart)   ||
313             (foundLimit != expectedMatchLimit)) {
314                 TEST_ASSERT(FALSE);   //  ouput generic error position
315                 infoln("Found, expected backwards match start = %d, %d \n"
316                        "Found, expected backwards match limit = %d, %d",
317                 foundStart, expectedMatchStart, foundLimit, expectedMatchLimit);
318         }
319     }
320 #endif
321 }
322 
323 struct Order
324 {
325     int32_t order;
326     int32_t lowOffset;
327     int32_t highOffset;
328 };
329 
330 class OrderList
331 {
332 public:
333     OrderList();
334     OrderList(UCollator *coll, const UnicodeString &string, int32_t stringOffset = 0);
335     ~OrderList();
336 
337     int32_t size(void) const;
338     void add(int32_t order, int32_t low, int32_t high);
339     const Order *get(int32_t index) const;
340     int32_t getLowOffset(int32_t index) const;
341     int32_t getHighOffset(int32_t index) const;
342     int32_t getOrder(int32_t index) const;
343     void reverse(void);
344     UBool compare(const OrderList &other) const;
345     UBool matchesAt(int32_t offset, const OrderList &other) const;
346 
347 private:
348     Order *list;
349     int32_t listMax;
350     int32_t listSize;
351 };
352 
OrderList()353 OrderList::OrderList()
354   : list(NULL),  listMax(16), listSize(0)
355 {
356     list = new Order[listMax];
357 }
358 
OrderList(UCollator * coll,const UnicodeString & string,int32_t stringOffset)359 OrderList::OrderList(UCollator *coll, const UnicodeString &string, int32_t stringOffset)
360     : list(NULL), listMax(16), listSize(0)
361 {
362     UErrorCode status = U_ZERO_ERROR;
363     UCollationElements *elems = ucol_openElements(coll, string.getBuffer(), string.length(), &status);
364     uint32_t strengthMask = 0;
365     int32_t order, low, high;
366 
367     switch (ucol_getStrength(coll))
368     {
369     default:
370         strengthMask |= UCOL_TERTIARYORDERMASK;
371         /* fall through */
372 
373     case UCOL_SECONDARY:
374         strengthMask |= UCOL_SECONDARYORDERMASK;
375         /* fall through */
376 
377     case UCOL_PRIMARY:
378         strengthMask |= UCOL_PRIMARYORDERMASK;
379     }
380 
381     list = new Order[listMax];
382 
383     ucol_setOffset(elems, stringOffset, &status);
384 
385     do {
386         low   = ucol_getOffset(elems);
387         order = ucol_next(elems, &status);
388         high  = ucol_getOffset(elems);
389 
390         if (order != UCOL_NULLORDER) {
391             order &= strengthMask;
392         }
393 
394         if (order != UCOL_IGNORABLE) {
395             add(order, low, high);
396         }
397     } while (order != UCOL_NULLORDER);
398 
399     ucol_closeElements(elems);
400 }
401 
~OrderList()402 OrderList::~OrderList()
403 {
404     delete[] list;
405 }
406 
add(int32_t order,int32_t low,int32_t high)407 void OrderList::add(int32_t order, int32_t low, int32_t high)
408 {
409     if (listSize >= listMax) {
410         listMax *= 2;
411 
412         Order *newList = new Order[listMax];
413 
414         uprv_memcpy(newList, list, listSize * sizeof(Order));
415         delete[] list;
416         list = newList;
417     }
418 
419     list[listSize].order      = order;
420     list[listSize].lowOffset  = low;
421     list[listSize].highOffset = high;
422 
423     listSize += 1;
424 }
425 
get(int32_t index) const426 const Order *OrderList::get(int32_t index) const
427 {
428     if (index >= listSize) {
429         return NULL;
430     }
431 
432     return &list[index];
433 }
434 
getLowOffset(int32_t index) const435 int32_t OrderList::getLowOffset(int32_t index) const
436 {
437     const Order *order = get(index);
438 
439     if (order != NULL) {
440         return order->lowOffset;
441     }
442 
443     return -1;
444 }
445 
getHighOffset(int32_t index) const446 int32_t OrderList::getHighOffset(int32_t index) const
447 {
448     const Order *order = get(index);
449 
450     if (order != NULL) {
451         return order->highOffset;
452     }
453 
454     return -1;
455 }
456 
getOrder(int32_t index) const457 int32_t OrderList::getOrder(int32_t index) const
458 {
459     const Order *order = get(index);
460 
461     if (order != NULL) {
462         return order->order;
463     }
464 
465     return UCOL_NULLORDER;
466 }
467 
size() const468 int32_t OrderList::size() const
469 {
470     return listSize;
471 }
472 
reverse()473 void OrderList::reverse()
474 {
475     for(int32_t f = 0, b = listSize - 1; f < b; f += 1, b -= 1) {
476         Order swap = list[b];
477 
478         list[b] = list[f];
479         list[f] = swap;
480     }
481 }
482 
compare(const OrderList & other) const483 UBool OrderList::compare(const OrderList &other) const
484 {
485     if (listSize != other.listSize) {
486         return FALSE;
487     }
488 
489     for(int32_t i = 0; i < listSize; i += 1) {
490         if (list[i].order  != other.list[i].order ||
491             list[i].lowOffset != other.list[i].lowOffset ||
492             list[i].highOffset != other.list[i].highOffset) {
493                 return FALSE;
494         }
495     }
496 
497     return TRUE;
498 }
499 
matchesAt(int32_t offset,const OrderList & other) const500 UBool OrderList::matchesAt(int32_t offset, const OrderList &other) const
501 {
502     // NOTE: sizes include the NULLORDER, which we don't want to compare.
503     int32_t otherSize = other.size() - 1;
504 
505     if (listSize - 1 - offset < otherSize) {
506         return FALSE;
507     }
508 
509     for (int32_t i = offset, j = 0; j < otherSize; i += 1, j += 1) {
510         if (getOrder(i) != other.getOrder(j)) {
511             return FALSE;
512         }
513     }
514 
515     return TRUE;
516 }
517 
printOffsets(char * buffer,OrderList & list)518 static char *printOffsets(char *buffer, OrderList &list)
519 {
520     int32_t size = list.size();
521     char *s = buffer;
522 
523     for(int32_t i = 0; i < size; i += 1) {
524         const Order *order = list.get(i);
525 
526         if (i != 0) {
527             s += sprintf(s, ", ");
528         }
529 
530         s += sprintf(s, "(%d, %d)", order->lowOffset, order->highOffset);
531     }
532 
533     return buffer;
534 }
535 
printOrders(char * buffer,OrderList & list)536 static char *printOrders(char *buffer, OrderList &list)
537 {
538     int32_t size = list.size();
539     char *s = buffer;
540 
541     for(int32_t i = 0; i < size; i += 1) {
542         const Order *order = list.get(i);
543 
544         if (i != 0) {
545             s += sprintf(s, ", ");
546         }
547 
548         s += sprintf(s, "%8.8X", order->order);
549     }
550 
551     return buffer;
552 }
553 
offsetTest()554 void SSearchTest::offsetTest()
555 {
556     const char *test[] = {
557         // The sequence \u0FB3\u0F71\u0F71\u0F80 contains a discontiguous
558         // contraction (\u0FB3\u0F71\u0F80) logically followed by \u0F71.
559         "\\u1E33\\u0FB3\\u0F71\\u0F71\\u0F80\\uD835\\uDF6C\\u01B0",
560 
561         "\\ua191\\u16ef\\u2036\\u017a",
562 
563 #if 0
564         // This results in a complex interaction between contraction,
565         // expansion and normalization that confuses the backwards offset fixups.
566         "\\u0F7F\\u0F80\\u0F81\\u0F82\\u0F83\\u0F84\\u0F85",
567 #endif
568 
569         "\\u0F80\\u0F81\\u0F82\\u0F83\\u0F84\\u0F85",
570         "\\u07E9\\u07EA\\u07F1\\u07F2\\u07F3",
571 
572         "\\u02FE\\u02FF"
573         "\\u0300\\u0301\\u0302\\u0303\\u0304\\u0305\\u0306\\u0307\\u0308\\u0309\\u030A\\u030B\\u030C\\u030D\\u030E\\u030F"
574         "\\u0310\\u0311\\u0312\\u0313\\u0314\\u0315\\u0316\\u0317\\u0318\\u0319\\u031A\\u031B\\u031C\\u031D\\u031E\\u031F"
575         "\\u0320\\u0321\\u0322\\u0323\\u0324\\u0325\\u0326\\u0327\\u0328\\u0329\\u032A\\u032B\\u032C\\u032D\\u032E\\u032F"
576         "\\u0330\\u0331\\u0332\\u0333\\u0334\\u0335\\u0336\\u0337\\u0338\\u0339\\u033A\\u033B\\u033C\\u033D\\u033E\\u033F"
577         "\\u0340\\u0341\\u0342\\u0343\\u0344\\u0345\\u0346\\u0347\\u0348\\u0349\\u034A\\u034B\\u034C\\u034D\\u034E", // currently not working, see #8081
578 
579         "\\u02FE\\u02FF\\u0300\\u0301\\u0302\\u0303\\u0316\\u0317\\u0318", // currently not working, see #8081
580         "a\\u02FF\\u0301\\u0316", // currently not working, see #8081
581         "a\\u02FF\\u0316\\u0301",
582         "a\\u0430\\u0301\\u0316",
583         "a\\u0430\\u0316\\u0301",
584         "abc\\u0E41\\u0301\\u0316",
585         "abc\\u0E41\\u0316\\u0301",
586         "\\u0E41\\u0301\\u0316",
587         "\\u0E41\\u0316\\u0301",
588         "a\\u0301\\u0316",
589         "a\\u0316\\u0301",
590         "\\uAC52\\uAC53",
591         "\\u34CA\\u34CB",
592         "\\u11ED\\u11EE",
593         "\\u30C3\\u30D0",
594         "p\\u00E9ch\\u00E9",
595         "a\\u0301\\u0325",
596         "a\\u0300\\u0325",
597         "a\\u0325\\u0300",
598         "A\\u0323\\u0300B",
599         "A\\u0300\\u0323B",
600         "A\\u0301\\u0323B",
601         "A\\u0302\\u0301\\u0323B",
602         "abc",
603         "ab\\u0300c",
604         "ab\\u0300\\u0323c",
605         " \\uD800\\uDC00\\uDC00",
606         "a\\uD800\\uDC00\\uDC00",
607         "A\\u0301\\u0301",
608         "A\\u0301\\u0323",
609         "A\\u0301\\u0323B",
610         "B\\u0301\\u0323C",
611         "A\\u0300\\u0323B",
612         "\\u0301A\\u0301\\u0301",
613         "abcd\\r\\u0301",
614         "p\\u00EAche",
615         "pe\\u0302che",
616     };
617 
618     int32_t testCount = ARRAY_SIZE(test);
619     UErrorCode status = U_ZERO_ERROR;
620     RuleBasedCollator *col = (RuleBasedCollator *) Collator::createInstance(Locale::getEnglish(), status);
621     if (U_FAILURE(status)) {
622         errcheckln(status, "Failed to create collator in offsetTest! - %s", u_errorName(status));
623         return;
624     }
625     char buffer[4096];  // A bit of a hack... just happens to be long enough for all the test cases...
626                         // We could allocate one that's the right size by (CE_count * 10) + 2
627                         // 10 chars is enough room for 8 hex digits plus ", ". 2 extra chars for "[" and "]"
628 
629     col->setAttribute(UCOL_NORMALIZATION_MODE, UCOL_ON, status);
630 
631     for(int32_t i = 0; i < testCount; i += 1) {
632         UnicodeString ts = CharsToUnicodeString(test[i]);
633         CollationElementIterator *iter = col->createCollationElementIterator(ts);
634         OrderList forwardList;
635         OrderList backwardList;
636         int32_t order, low, high;
637 
638         do {
639             low   = iter->getOffset();
640             order = iter->next(status);
641             high  = iter->getOffset();
642 
643             forwardList.add(order, low, high);
644         } while (order != CollationElementIterator::NULLORDER);
645 
646         iter->reset();
647         iter->setOffset(ts.length(), status);
648 
649         backwardList.add(CollationElementIterator::NULLORDER, iter->getOffset(), iter->getOffset());
650 
651         do {
652             high  = iter->getOffset();
653             order = iter->previous(status);
654             low   = iter->getOffset();
655 
656             if (order == CollationElementIterator::NULLORDER) {
657                 break;
658             }
659 
660             backwardList.add(order, low, high);
661         } while (TRUE);
662 
663         backwardList.reverse();
664 
665         if (forwardList.compare(backwardList)) {
666             logln("Works with \"%s\"", test[i]);
667             logln("Forward offsets:  [%s]", printOffsets(buffer, forwardList));
668 //          logln("Backward offsets: [%s]", printOffsets(buffer, backwardList));
669 
670             logln("Forward CEs:  [%s]", printOrders(buffer, forwardList));
671 //          logln("Backward CEs: [%s]", printOrders(buffer, backwardList));
672 
673             logln();
674         } else {
675             errln("Fails with \"%s\"", test[i]);
676             infoln("Forward offsets:  [%s]", printOffsets(buffer, forwardList));
677             infoln("Backward offsets: [%s]", printOffsets(buffer, backwardList));
678 
679             infoln("Forward CEs:  [%s]", printOrders(buffer, forwardList));
680             infoln("Backward CEs: [%s]", printOrders(buffer, backwardList));
681 
682             infoln();
683         }
684         delete iter;
685     }
686     delete col;
687 }
688 
689 #if 0
690 static UnicodeString &escape(const UnicodeString &string, UnicodeString &buffer)
691 {
692     for(int32_t i = 0; i < string.length(); i += 1) {
693         UChar32 ch = string.char32At(i);
694 
695         if (ch >= 0x0020 && ch <= 0x007F) {
696             if (ch == 0x005C) {
697                 buffer.append("\\\\");
698             } else {
699                 buffer.append(ch);
700             }
701         } else {
702             char cbuffer[12];
703 
704             if (ch <= 0xFFFFL) {
705                 sprintf(cbuffer, "\\u%4.4X", ch);
706             } else {
707                 sprintf(cbuffer, "\\U%8.8X", ch);
708             }
709 
710             buffer.append(cbuffer);
711         }
712 
713         if (ch >= 0x10000L) {
714             i += 1;
715         }
716     }
717 
718     return buffer;
719 }
720 #endif
721 
sharpSTest()722 void SSearchTest::sharpSTest()
723 {
724     UErrorCode status = U_ZERO_ERROR;
725     UCollator *coll = NULL;
726     UnicodeString lp  = "fuss";
727     UnicodeString sp = "fu\\u00DF";
728     UnicodeString targets[]  = {"fu\\u00DF", "fu\\u00DFball", "1fu\\u00DFball", "12fu\\u00DFball", "123fu\\u00DFball", "1234fu\\u00DFball",
729                                 "ffu\\u00DF", "fufu\\u00DF", "fusfu\\u00DF",
730                                 "fuss", "ffuss", "fufuss", "fusfuss", "1fuss", "12fuss", "123fuss", "1234fuss", "fu\\u00DF", "1fu\\u00DF", "12fu\\u00DF", "123fu\\u00DF", "1234fu\\u00DF"};
731     int32_t start = -1, end = -1;
732 
733     coll = ucol_openFromShortString("LEN_S1", FALSE, NULL, &status);
734     TEST_ASSERT_SUCCESS(status);
735 
736     UnicodeString lpUnescaped = lp.unescape();
737     UnicodeString spUnescaped = sp.unescape();
738 
739     LocalUStringSearchPointer ussLong(usearch_openFromCollator(lpUnescaped.getBuffer(), lpUnescaped.length(),
740                                                            lpUnescaped.getBuffer(), lpUnescaped.length(),   // actual test data will be set later
741                                                            coll,
742                                                            NULL,     // the break iterator
743                                                            &status));
744 
745     LocalUStringSearchPointer ussShort(usearch_openFromCollator(spUnescaped.getBuffer(), spUnescaped.length(),
746                                                            spUnescaped.getBuffer(), spUnescaped.length(),   // actual test data will be set later
747                                                            coll,
748                                                            NULL,     // the break iterator
749                                                            &status));
750     TEST_ASSERT_SUCCESS(status);
751 
752     for (uint32_t t = 0; t < (sizeof(targets)/sizeof(targets[0])); t += 1) {
753         UBool bFound;
754         UnicodeString target = targets[t].unescape();
755 
756         start = end = -1;
757         usearch_setText(ussLong.getAlias(), target.getBuffer(), target.length(), &status);
758         bFound = usearch_search(ussLong.getAlias(), 0, &start, &end, &status);
759         TEST_ASSERT_SUCCESS(status);
760         if (bFound) {
761             logln("Test %d: found long pattern at [%d, %d].", t, start, end);
762         } else {
763             dataerrln("Test %d: did not find long pattern.", t);
764         }
765 
766         usearch_setText(ussShort.getAlias(), target.getBuffer(), target.length(), &status);
767         bFound = usearch_search(ussShort.getAlias(), 0, &start, &end, &status);
768         TEST_ASSERT_SUCCESS(status);
769         if (bFound) {
770             logln("Test %d: found long pattern at [%d, %d].", t, start, end);
771         } else {
772             dataerrln("Test %d: did not find long pattern.", t);
773         }
774     }
775 
776     ucol_close(coll);
777 }
778 
goodSuffixTest()779 void SSearchTest::goodSuffixTest()
780 {
781     UErrorCode status = U_ZERO_ERROR;
782     UCollator *coll = NULL;
783     UnicodeString pat = /*"gcagagag"*/ "fxeld";
784     UnicodeString target = /*"gcatcgcagagagtatacagtacg"*/ "cloveldfxeld";
785     int32_t start = -1, end = -1;
786     UBool bFound;
787 
788     coll = ucol_open(NULL, &status);
789     TEST_ASSERT_SUCCESS(status);
790 
791     LocalUStringSearchPointer ss(usearch_openFromCollator(pat.getBuffer(), pat.length(),
792                                                           target.getBuffer(), target.length(),
793                                                           coll,
794                                                           NULL,     // the break iterator
795                                                           &status));
796     TEST_ASSERT_SUCCESS(status);
797 
798     bFound = usearch_search(ss.getAlias(), 0, &start, &end, &status);
799     TEST_ASSERT_SUCCESS(status);
800     if (bFound) {
801         logln("Found pattern at [%d, %d].", start, end);
802     } else {
803         dataerrln("Did not find pattern.");
804     }
805 
806     ucol_close(coll);
807 }
808 
809 //
810 //  searchTime()    A quick and dirty performance test for string search.
811 //                  Probably  doesn't really belong as part of intltest, but it
812 //                  does check that the search succeeds, and gets the right result,
813 //                  so it serves as a functionality test also.
814 //
815 //                  To run as a perf test, up the loop count, select by commenting
816 //                  and uncommenting in the code the operation to be measured,
817 //                  rebuild, and measure the running time of this test alone.
818 //
819 //                     time LD_LIBRARY_PATH=whatever  ./intltest  collate/SSearchTest/searchTime
820 //
searchTime()821 void SSearchTest::searchTime() {
822     static const char *longishText =
823 "Whylom, as olde stories tellen us,\n"
824 "Ther was a duk that highte Theseus:\n"
825 "Of Athenes he was lord and governour,\n"
826 "And in his tyme swich a conquerour,\n"
827 "That gretter was ther noon under the sonne.\n"
828 "Ful many a riche contree hadde he wonne;\n"
829 "What with his wisdom and his chivalrye,\n"
830 "He conquered al the regne of Femenye,\n"
831 "That whylom was y-cleped Scithia;\n"
832 "And weddede the quene Ipolita,\n"
833 "And broghte hir hoom with him in his contree\n"
834 "With muchel glorie and greet solempnitee,\n"
835 "And eek hir yonge suster Emelye.\n"
836 "And thus with victorie and with melodye\n"
837 "Lete I this noble duk to Athenes ryde,\n"
838 "And al his hoost, in armes, him bisyde.\n"
839 "And certes, if it nere to long to here,\n"
840 "I wolde han told yow fully the manere,\n"
841 "How wonnen was the regne of Femenye\n"
842 "By Theseus, and by his chivalrye;\n"
843 "And of the grete bataille for the nones\n"
844 "Bitwixen Athen's and Amazones;\n"
845 "And how asseged was Ipolita,\n"
846 "The faire hardy quene of Scithia;\n"
847 "And of the feste that was at hir weddinge,\n"
848 "And of the tempest at hir hoom-cominge;\n"
849 "But al that thing I moot as now forbere.\n"
850 "I have, God woot, a large feeld to ere,\n"
851 "And wayke been the oxen in my plough.\n"
852 "The remenant of the tale is long y-nough.\n"
853 "I wol nat letten eek noon of this route;\n"
854 "Lat every felawe telle his tale aboute,\n"
855 "And lat see now who shal the soper winne;\n"
856 "And ther I lefte, I wol ageyn biginne.\n"
857 "This duk, of whom I make mencioun,\n"
858 "When he was come almost unto the toun,\n"
859 "In al his wele and in his moste pryde,\n"
860 "He was war, as he caste his eye asyde,\n"
861 "Wher that ther kneled in the hye weye\n"
862 "A companye of ladies, tweye and tweye,\n"
863 "Ech after other, clad in clothes blake; \n"
864 "But swich a cry and swich a wo they make,\n"
865 "That in this world nis creature livinge,\n"
866 "That herde swich another weymentinge;\n"
867 "And of this cry they nolde never stenten,\n"
868 "Til they the reynes of his brydel henten.\n"
869 "'What folk ben ye, that at myn hoomcominge\n"
870 "Perturben so my feste with cryinge'?\n"
871 "Quod Theseus, 'have ye so greet envye\n"
872 "Of myn honour, that thus compleyne and crye? \n"
873 "Or who hath yow misboden, or offended?\n"
874 "And telleth me if it may been amended;\n"
875 "And why that ye ben clothed thus in blak'?\n"
876 "The eldest lady of hem alle spak,\n"
877 "When she hadde swowned with a deedly chere,\n"
878 "That it was routhe for to seen and here,\n"
879 "And seyde: 'Lord, to whom Fortune hath yiven\n"
880 "Victorie, and as a conquerour to liven,\n"
881 "Noght greveth us your glorie and your honour;\n"
882 "But we biseken mercy and socour.\n"
883 "Have mercy on our wo and our distresse.\n"
884 "Som drope of pitee, thurgh thy gentilesse,\n"
885 "Up-on us wrecched wommen lat thou falle.\n"
886 "For certes, lord, ther nis noon of us alle,\n"
887 "That she nath been a duchesse or a quene;\n"
888 "Now be we caitifs, as it is wel sene:\n"
889 "Thanked be Fortune, and hir false wheel,\n"
890 "That noon estat assureth to be weel.\n"
891 "And certes, lord, t'abyden your presence,\n"
892 "Here in the temple of the goddesse Clemence\n"
893 "We han ben waytinge al this fourtenight;\n"
894 "Now help us, lord, sith it is in thy might.\n"
895 "I wrecche, which that wepe and waille thus,\n"
896 "Was whylom wyf to king Capaneus,\n"
897 "That starf at Thebes, cursed be that day!\n"
898 "And alle we, that been in this array,\n"
899 "And maken al this lamentacioun,\n"
900 "We losten alle our housbondes at that toun,\n"
901 "Whyl that the sege ther-aboute lay.\n"
902 "And yet now th'olde Creon, weylaway!\n"
903 "The lord is now of Thebes the citee, \n"
904 "Fulfild of ire and of iniquitee,\n"
905 "He, for despyt, and for his tirannye,\n"
906 "To do the dede bodyes vileinye,\n"
907 "Of alle our lordes, whiche that ben slawe,\n"
908 "Hath alle the bodyes on an heep y-drawe,\n"
909 "And wol nat suffren hem, by noon assent,\n"
910 "Neither to been y-buried nor y-brent,\n"
911 "But maketh houndes ete hem in despyt. zet'\n";
912 
913 const char *cPattern = "maketh houndes ete hem";
914 //const char *cPattern = "Whylom";
915 //const char *cPattern = "zet";
916     const char *testId = "searchTime()";   // for error macros.
917     UnicodeString target = longishText;
918     UErrorCode status = U_ZERO_ERROR;
919 
920 
921     LocalUCollatorPointer collator(ucol_open("en", &status));
922     //ucol_setStrength(collator.getAlias(), collatorStrength);
923     //ucol_setAttribute(collator.getAlias(), UCOL_NORMALIZATION_MODE, normalize, &status);
924     UnicodeString uPattern = cPattern;
925     LocalUStringSearchPointer uss(usearch_openFromCollator(uPattern.getBuffer(), uPattern.length(),
926                                                            target.getBuffer(), target.length(),
927                                                            collator.getAlias(),
928                                                            NULL,     // the break iterator
929                                                            &status));
930     TEST_ASSERT_SUCCESS(status);
931 
932 //  int32_t foundStart;
933 //  int32_t foundEnd;
934     UBool   found;
935 
936     // Find the match position usgin strstr
937     const char *pm = strstr(longishText, cPattern);
938     TEST_ASSERT_M(pm!=NULL, "No pattern match with strstr");
939     int32_t  refMatchPos = (int32_t)(pm - longishText);
940     int32_t  icuMatchPos;
941     int32_t  icuMatchEnd;
942     usearch_search(uss.getAlias(), 0, &icuMatchPos, &icuMatchEnd, &status);
943     TEST_ASSERT_SUCCESS(status);
944     TEST_ASSERT_M(refMatchPos == icuMatchPos, "strstr and icu give different match positions.");
945 
946     int32_t i;
947     // int32_t j=0;
948 
949     // Try loopcounts around 100000 to some millions, depending on the operation,
950     //   to get runtimes of at least several seconds.
951     for (i=0; i<10000; i++) {
952         found = usearch_search(uss.getAlias(), 0, &icuMatchPos, &icuMatchEnd, &status);
953         (void)found;   // Suppress set but not used warning.
954         //TEST_ASSERT_SUCCESS(status);
955         //TEST_ASSERT(found);
956 
957         // usearch_setOffset(uss.getAlias(), 0, &status);
958         // icuMatchPos = usearch_next(uss.getAlias(), &status);
959 
960          // The i+j stuff is to confuse the optimizer and get it to actually leave the
961          //   call to strstr in place.
962          //pm = strstr(longishText+j, cPattern);
963          //j = (j + i)%5;
964     }
965 
966     //printf("%ld, %d\n", pm-longishText, j);
967 }
968 
969 //----------------------------------------------------------------------------------------
970 //
971 //   Random Numbers.  Similar to standard lib rand() and srand()
972 //                    Not using library to
973 //                      1.  Get same results on all platforms.
974 //                      2.  Get access to current seed, to more easily reproduce failures.
975 //
976 //---------------------------------------------------------------------------------------
977 static uint32_t m_seed = 1;
978 
m_rand()979 static uint32_t m_rand()
980 {
981     m_seed = m_seed * 1103515245 + 12345;
982     return (uint32_t)(m_seed/65536) % 32768;
983 }
984 
985 class Monkey
986 {
987 public:
988     virtual void append(UnicodeString &test, UnicodeString &alternate) = 0;
989 
990 protected:
991     Monkey();
992     virtual ~Monkey();
993 };
994 
Monkey()995 Monkey::Monkey()
996 {
997     // ook?
998 }
999 
~Monkey()1000 Monkey::~Monkey()
1001 {
1002     // ook?
1003 }
1004 
1005 class SetMonkey : public Monkey
1006 {
1007 public:
1008     SetMonkey(const USet *theSet);
1009     ~SetMonkey();
1010 
1011     virtual void append(UnicodeString &test, UnicodeString &alternate);
1012 
1013 private:
1014     const USet *set;
1015 };
1016 
SetMonkey(const USet * theSet)1017 SetMonkey::SetMonkey(const USet *theSet)
1018     : Monkey(), set(theSet)
1019 {
1020     // ook?
1021 }
1022 
~SetMonkey()1023 SetMonkey::~SetMonkey()
1024 {
1025     //ook...
1026 }
1027 
append(UnicodeString & test,UnicodeString & alternate)1028 void SetMonkey::append(UnicodeString &test, UnicodeString &alternate)
1029 {
1030     int32_t size = uset_size(set);
1031     int32_t index = m_rand() % size;
1032     UChar32 ch = uset_charAt(set, index);
1033     UnicodeString str(ch);
1034 
1035     test.append(str);
1036     alternate.append(str); // flip case, or some junk?
1037 }
1038 
1039 class StringSetMonkey : public Monkey
1040 {
1041 public:
1042     StringSetMonkey(const USet *theSet, UCollator *theCollator, CollData *theCollData);
1043     ~StringSetMonkey();
1044 
1045     void append(UnicodeString &testCase, UnicodeString &alternate);
1046 
1047 private:
1048     UnicodeString &generateAlternative(const UnicodeString &testCase, UnicodeString &alternate);
1049 
1050     const USet *set;
1051     UCollator  *coll;
1052     CollData   *collData;
1053 };
1054 
StringSetMonkey(const USet * theSet,UCollator * theCollator,CollData * theCollData)1055 StringSetMonkey::StringSetMonkey(const USet *theSet, UCollator *theCollator, CollData *theCollData)
1056 : Monkey(), set(theSet), coll(theCollator), collData(theCollData)
1057 {
1058     // ook.
1059 }
1060 
~StringSetMonkey()1061 StringSetMonkey::~StringSetMonkey()
1062 {
1063     // ook?
1064 }
1065 
append(UnicodeString & testCase,UnicodeString & alternate)1066 void StringSetMonkey::append(UnicodeString &testCase, UnicodeString &alternate)
1067 {
1068     int32_t itemCount = uset_getItemCount(set), len = 0;
1069     int32_t index = m_rand() % itemCount;
1070     UChar32 rangeStart = 0, rangeEnd = 0;
1071     UChar buffer[16];
1072     UErrorCode err = U_ZERO_ERROR;
1073 
1074     len = uset_getItem(set, index, &rangeStart, &rangeEnd, buffer, 16, &err);
1075 
1076     if (len == 0) {
1077         int32_t offset = m_rand() % (rangeEnd - rangeStart + 1);
1078         UChar32 ch = rangeStart + offset;
1079         UnicodeString str(ch);
1080 
1081         testCase.append(str);
1082         generateAlternative(str, alternate);
1083     } else if (len > 0) {
1084         // should check that len < 16...
1085         UnicodeString str(buffer, len);
1086 
1087         testCase.append(str);
1088         generateAlternative(str, alternate);
1089     } else {
1090         // shouldn't happen...
1091     }
1092 }
1093 
generateAlternative(const UnicodeString & testCase,UnicodeString & alternate)1094 UnicodeString &StringSetMonkey::generateAlternative(const UnicodeString &testCase, UnicodeString &alternate)
1095 {
1096     // find out shortest string for the longest sequence of ces.
1097     // needs to be refined to use dynamic programming, but will be roughly right
1098     UErrorCode status = U_ZERO_ERROR;
1099     CEList ceList(coll, testCase, status);
1100     UnicodeString alt;
1101     int32_t offset = 0;
1102 
1103     if (ceList.size() == 0) {
1104         return alternate.append(testCase);
1105     }
1106 
1107     while (offset < ceList.size()) {
1108         int32_t ce = ceList.get(offset);
1109         const StringList *strings = collData->getStringList(ce);
1110 
1111         if (strings == NULL) {
1112             return alternate.append(testCase);
1113         }
1114 
1115         int32_t stringCount = strings->size();
1116         int32_t tries = 0;
1117 
1118         // find random string that generates the same CEList
1119         const CEList *ceList2 = NULL;
1120         const UnicodeString *string = NULL;
1121               UBool matches = FALSE;
1122 
1123         do {
1124             int32_t s = m_rand() % stringCount;
1125 
1126             if (tries++ > stringCount) {
1127                 alternate.append(testCase);
1128                 return alternate;
1129             }
1130 
1131             string = strings->get(s);
1132             ceList2 = collData->getCEList(string);
1133             matches = ceList.matchesAt(offset, ceList2);
1134 
1135             if (! matches) {
1136                 collData->freeCEList((CEList *) ceList2);
1137             }
1138         } while (! matches);
1139 
1140         alt.append(*string);
1141         offset += ceList2->size();
1142         collData->freeCEList(ceList2);
1143     }
1144 
1145     const CEList altCEs(coll, alt, status);
1146 
1147     if (ceList.matchesAt(0, &altCEs)) {
1148         return alternate.append(alt);
1149     }
1150 
1151     return alternate.append(testCase);
1152 }
1153 
generateTestCase(UCollator * coll,Monkey * monkeys[],int32_t monkeyCount,UnicodeString & testCase,UnicodeString & alternate)1154 static void generateTestCase(UCollator *coll, Monkey *monkeys[], int32_t monkeyCount, UnicodeString &testCase, UnicodeString &alternate)
1155 {
1156     int32_t pieces = (m_rand() % 4) + 1;
1157     UErrorCode status = U_ZERO_ERROR;
1158     UBool matches;
1159 
1160     do {
1161         testCase.remove();
1162         alternate.remove();
1163         monkeys[0]->append(testCase, alternate);
1164 
1165         for(int32_t piece = 0; piece < pieces; piece += 1) {
1166             int32_t monkey = m_rand() % monkeyCount;
1167 
1168             monkeys[monkey]->append(testCase, alternate);
1169         }
1170 
1171         const CEList ceTest(coll, testCase, status);
1172         const CEList ceAlt(coll, alternate, status);
1173 
1174         matches = ceTest.matchesAt(0, &ceAlt);
1175     } while (! matches);
1176 }
1177 
simpleSearch(UCollator * coll,const UnicodeString & target,int32_t offset,const UnicodeString & pattern,int32_t & matchStart,int32_t & matchEnd)1178 static UBool simpleSearch(UCollator *coll, const UnicodeString &target, int32_t offset, const UnicodeString &pattern, int32_t &matchStart, int32_t &matchEnd)
1179 {
1180     UErrorCode      status = U_ZERO_ERROR;
1181     OrderList       targetOrders(coll, target, offset);
1182     OrderList       patternOrders(coll, pattern);
1183     int32_t         targetSize  = targetOrders.size() - 1;
1184     int32_t         patternSize = patternOrders.size() - 1;
1185     UBreakIterator *charBreakIterator = ubrk_open(UBRK_CHARACTER, ucol_getLocaleByType(coll, ULOC_VALID_LOCALE, &status),
1186                                                   target.getBuffer(), target.length(), &status);
1187 
1188     if (patternSize == 0) {
1189         // Searching for an empty pattern always fails
1190         matchStart = matchEnd = -1;
1191         ubrk_close(charBreakIterator);
1192         return FALSE;
1193     }
1194 
1195     matchStart = matchEnd = -1;
1196 
1197     for(int32_t i = 0; i < targetSize; i += 1) {
1198         if (targetOrders.matchesAt(i, patternOrders)) {
1199             int32_t start    = targetOrders.getLowOffset(i);
1200             int32_t maxLimit = targetOrders.getLowOffset(i + patternSize);
1201             int32_t minLimit = targetOrders.getLowOffset(i + patternSize - 1);
1202 
1203             // if the low and high offsets of the first CE in
1204             // the match are the same, it means that the match
1205             // starts in the middle of an expansion - all but
1206             // the first CE of the expansion will have the offset
1207             // of the following character.
1208             if (start == targetOrders.getHighOffset(i)) {
1209                 continue;
1210             }
1211 
1212             // Make sure match starts on a grapheme boundary
1213             if (! ubrk_isBoundary(charBreakIterator, start)) {
1214                 continue;
1215             }
1216 
1217             // If the low and high offsets of the CE after the match
1218             // are the same, it means that the match ends in the middle
1219             // of an expansion sequence.
1220             if (maxLimit == targetOrders.getHighOffset(i + patternSize) &&
1221                 targetOrders.getOrder(i + patternSize) != UCOL_NULLORDER) {
1222                 continue;
1223             }
1224 
1225             int32_t mend = maxLimit;
1226 
1227             // Find the first grapheme break after the character index
1228             // of the last CE in the match. If it's after character index
1229             // that's after the last CE in the match, use that index
1230             // as the end of the match.
1231             if (minLimit < maxLimit) {
1232                 // When the last CE's low index is same with its high index, the CE is likely
1233                 // a part of expansion. In this case, the index is located just after the
1234                 // character corresponding to the CEs compared above. If the index is right
1235                 // at the break boundary, move the position to the next boundary will result
1236                 // incorrect match length when there are ignorable characters exist between
1237                 // the position and the next character produces CE(s). See ticket#8482.
1238                 if (minLimit == targetOrders.getHighOffset(i + patternSize - 1) && ubrk_isBoundary(charBreakIterator, minLimit)) {
1239                     mend = minLimit;
1240                 } else {
1241                     int32_t nba = ubrk_following(charBreakIterator, minLimit);
1242 
1243                     if (nba >= targetOrders.getHighOffset(i + patternSize - 1)) {
1244                         mend = nba;
1245                     }
1246                 }
1247             }
1248 
1249             if (mend > maxLimit) {
1250                 continue;
1251             }
1252 
1253             if (! ubrk_isBoundary(charBreakIterator, mend)) {
1254                 continue;
1255             }
1256 
1257             matchStart = start;
1258             matchEnd   = mend;
1259 
1260             ubrk_close(charBreakIterator);
1261             return TRUE;
1262         }
1263     }
1264 
1265     ubrk_close(charBreakIterator);
1266     return FALSE;
1267 }
1268 
1269 #if !UCONFIG_NO_REGULAR_EXPRESSIONS
getIntParam(UnicodeString name,UnicodeString & params,int32_t defaultVal)1270 static int32_t  getIntParam(UnicodeString name, UnicodeString &params, int32_t defaultVal) {
1271     int32_t val = defaultVal;
1272 
1273     name.append(" *= *(-?\\d+)");
1274 
1275     UErrorCode status = U_ZERO_ERROR;
1276     RegexMatcher m(name, params, 0, status);
1277 
1278     if (m.find()) {
1279         // The param exists.  Convert the string to an int.
1280         char valString[100];
1281         int32_t paramLength = m.end(1, status) - m.start(1, status);
1282 
1283         if (paramLength >= (int32_t)(sizeof(valString)-1)) {
1284             paramLength = (int32_t)(sizeof(valString)-2);
1285         }
1286 
1287         params.extract(m.start(1, status), paramLength, valString, sizeof(valString));
1288         val = uprv_strtol(valString,  NULL, 10);
1289 
1290         // Delete this parameter from the params string.
1291         m.reset();
1292         params = m.replaceFirst("", status);
1293     }
1294 
1295   //U_ASSERT(U_SUCCESS(status));
1296     if (! U_SUCCESS(status)) {
1297         val = defaultVal;
1298     }
1299 
1300     return val;
1301 }
1302 #endif
1303 
1304 #if !UCONFIG_NO_COLLATION
monkeyTestCase(UCollator * coll,const UnicodeString & testCase,const UnicodeString & pattern,const UnicodeString & altPattern,const char * name,const char * strength,uint32_t seed)1305 int32_t SSearchTest::monkeyTestCase(UCollator *coll, const UnicodeString &testCase, const UnicodeString &pattern, const UnicodeString &altPattern,
1306                                     const char *name, const char *strength, uint32_t seed)
1307 {
1308     UErrorCode status = U_ZERO_ERROR;
1309     int32_t actualStart = -1, actualEnd = -1;
1310   //int32_t expectedStart = prefix.length(), expectedEnd = prefix.length() + altPattern.length();
1311     int32_t expectedStart = -1, expectedEnd = -1;
1312     int32_t notFoundCount = 0;
1313     LocalUStringSearchPointer uss(usearch_openFromCollator(pattern.getBuffer(), pattern.length(),
1314                                                            testCase.getBuffer(), testCase.length(),
1315                                                            coll,
1316                                                            NULL,     // the break iterator
1317                                                            &status));
1318 
1319     // **** TODO: find *all* matches, not just first one ****
1320     simpleSearch(coll, testCase, 0, pattern, expectedStart, expectedEnd);
1321 
1322     usearch_search(uss.getAlias(), 0, &actualStart, &actualEnd, &status);
1323 
1324     if (expectedStart >= 0 && (actualStart != expectedStart || actualEnd != expectedEnd)) {
1325         errln("Search for <pattern> in <%s> failed: expected [%d, %d], got [%d, %d]\n"
1326               "    strength=%s seed=%d",
1327               name, expectedStart, expectedEnd, actualStart, actualEnd, strength, seed);
1328     }
1329 
1330     if (expectedStart == -1 && actualStart == -1) {
1331         notFoundCount += 1;
1332     }
1333 
1334     // **** TODO: find *all* matches, not just first one ****
1335     simpleSearch(coll, testCase, 0, altPattern, expectedStart, expectedEnd);
1336 
1337     usearch_setPattern(uss.getAlias(), altPattern.getBuffer(), altPattern.length(), &status);
1338 
1339     usearch_search(uss.getAlias(), 0, &actualStart, &actualEnd, &status);
1340 
1341     if (expectedStart >= 0 && (actualStart != expectedStart || actualEnd != expectedEnd)) {
1342         errln("Search for <alt_pattern> in <%s> failed: expected [%d, %d], got [%d, %d]\n"
1343               "    strength=%s seed=%d",
1344               name, expectedStart, expectedEnd, actualStart, actualEnd, strength, seed);
1345     }
1346 
1347     if (expectedStart == -1 && actualStart == -1) {
1348         notFoundCount += 1;
1349     }
1350 
1351     return notFoundCount;
1352 }
1353 #endif
1354 
monkeyTest(char * params)1355 void SSearchTest::monkeyTest(char *params)
1356 {
1357     // ook!
1358     UErrorCode status = U_ZERO_ERROR;
1359   //UCollator *coll = ucol_open(NULL, &status);
1360     UCollator *coll = ucol_openFromShortString("S1", FALSE, NULL, &status);
1361 
1362     if (U_FAILURE(status)) {
1363         errcheckln(status, "Failed to create collator in MonkeyTest! - %s", u_errorName(status));
1364         return;
1365     }
1366 
1367     CollData  *monkeyData = new CollData(coll, status);
1368 
1369     USet *expansions   = uset_openEmpty();
1370     USet *contractions = uset_openEmpty();
1371 
1372     ucol_getContractionsAndExpansions(coll, contractions, expansions, FALSE, &status);
1373 
1374     U_STRING_DECL(letter_pattern, "[[:letter:]-[:ideographic:]-[:hangul:]]", 39);
1375     U_STRING_INIT(letter_pattern, "[[:letter:]-[:ideographic:]-[:hangul:]]", 39);
1376     USet *letters = uset_openPattern(letter_pattern, 39, &status);
1377     SetMonkey letterMonkey(letters);
1378     StringSetMonkey contractionMonkey(contractions, coll, monkeyData);
1379     StringSetMonkey expansionMonkey(expansions, coll, monkeyData);
1380     UnicodeString testCase;
1381     UnicodeString alternate;
1382     UnicodeString pattern, altPattern;
1383     UnicodeString prefix, altPrefix;
1384     UnicodeString suffix, altSuffix;
1385 
1386     Monkey *monkeys[] = {
1387         &letterMonkey,
1388         &contractionMonkey,
1389         &expansionMonkey,
1390         &contractionMonkey,
1391         &expansionMonkey,
1392         &contractionMonkey,
1393         &expansionMonkey,
1394         &contractionMonkey,
1395         &expansionMonkey};
1396     int32_t monkeyCount = sizeof(monkeys) / sizeof(monkeys[0]);
1397     // int32_t nonMatchCount = 0;
1398 
1399     UCollationStrength strengths[] = {UCOL_PRIMARY, UCOL_SECONDARY, UCOL_TERTIARY};
1400     const char *strengthNames[] = {"primary", "secondary", "tertiary"};
1401     int32_t strengthCount = sizeof(strengths) / sizeof(strengths[0]);
1402     int32_t loopCount = quick? 1000 : 10000;
1403     int32_t firstStrength = 0;
1404     int32_t lastStrength  = strengthCount - 1; //*/ 0;
1405 
1406     if (params != NULL) {
1407 #if !UCONFIG_NO_REGULAR_EXPRESSIONS
1408         UnicodeString p(params);
1409 
1410         loopCount = getIntParam("loop", p, loopCount);
1411         m_seed    = getIntParam("seed", p, m_seed);
1412 
1413         RegexMatcher m(" *strength *= *(primary|secondary|tertiary) *", p, 0, status);
1414         if (m.find()) {
1415             UnicodeString breakType = m.group(1, status);
1416 
1417             for (int32_t s = 0; s < strengthCount; s += 1) {
1418                 if (breakType == strengthNames[s]) {
1419                     firstStrength = lastStrength = s;
1420                     break;
1421                 }
1422             }
1423 
1424             m.reset();
1425             p = m.replaceFirst("", status);
1426         }
1427 
1428         if (RegexMatcher("\\S", p, 0, status).find()) {
1429             // Each option is stripped out of the option string as it is processed.
1430             // All options have been checked.  The option string should have been completely emptied..
1431             char buf[100];
1432             p.extract(buf, sizeof(buf), NULL, status);
1433             buf[sizeof(buf)-1] = 0;
1434             errln("Unrecognized or extra parameter:  %s\n", buf);
1435             return;
1436         }
1437 #else
1438         infoln("SSearchTest built with UCONFIG_NO_REGULAR_EXPRESSIONS: ignoring parameters.");
1439 #endif
1440     }
1441 
1442     for(int32_t s = firstStrength; s <= lastStrength; s += 1) {
1443         int32_t notFoundCount = 0;
1444 
1445         logln("Setting strength to %s.", strengthNames[s]);
1446         ucol_setStrength(coll, strengths[s]);
1447 
1448         // TODO: try alternate prefix and suffix too?
1449         // TODO: alternates are only equal at primary strength. Is this OK?
1450         for(int32_t t = 0; t < loopCount; t += 1) {
1451             uint32_t seed = m_seed;
1452             // int32_t  nmc = 0;
1453 
1454             generateTestCase(coll, monkeys, monkeyCount, pattern, altPattern);
1455             generateTestCase(coll, monkeys, monkeyCount, prefix,  altPrefix);
1456             generateTestCase(coll, monkeys, monkeyCount, suffix,  altSuffix);
1457 
1458             // pattern
1459             notFoundCount += monkeyTestCase(coll, pattern, pattern, altPattern, "pattern", strengthNames[s], seed);
1460 
1461             testCase.remove();
1462             testCase.append(prefix);
1463             testCase.append(/*alt*/pattern);
1464 
1465             // prefix + pattern
1466             notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "prefix + pattern", strengthNames[s], seed);
1467 
1468             testCase.append(suffix);
1469 
1470             // prefix + pattern + suffix
1471             notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "prefix + pattern + suffix", strengthNames[s], seed);
1472 
1473             testCase.remove();
1474             testCase.append(pattern);
1475             testCase.append(suffix);
1476 
1477             // pattern + suffix
1478             notFoundCount += monkeyTestCase(coll, testCase, pattern, altPattern, "pattern + suffix", strengthNames[s], seed);
1479         }
1480 
1481        logln("For strength %s the not found count is %d.", strengthNames[s], notFoundCount);
1482     }
1483 
1484     uset_close(contractions);
1485     uset_close(expansions);
1486     uset_close(letters);
1487     delete monkeyData;
1488 
1489     ucol_close(coll);
1490 }
1491 
1492 #endif
1493 
1494 #endif
1495