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1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /********************************************************************
4  * COPYRIGHT:
5  * Copyright (c) 2012-2016, International Business Machines Corporation
6  * and others. All Rights Reserved.
7  ********************************************************************/
8 //
9 //   file:  alphaindextst.cpp
10 //          Alphabetic Index Tests.
11 //
12 //   Note: please... no character literals cast to UChars.. use (UChar)0xZZZZ
13 
14 #include <stdio.h>  // for sprintf
15 
16 #include "intltest.h"
17 #include "alphaindextst.h"
18 #include "cmemory.h"
19 
20 #include "unicode/alphaindex.h"
21 #include "unicode/coll.h"
22 #include "unicode/localpointer.h"
23 #include "unicode/tblcoll.h"
24 #include "unicode/uniset.h"
25 
26 #if !UCONFIG_NO_COLLATION && !UCONFIG_NO_NORMALIZATION
27 
28 // #include <string>
29 // #include <iostream>
30 
31 namespace {
32 
joinLabelsAndAppend(AlphabeticIndex::ImmutableIndex & index,UnicodeString & dest)33 UnicodeString joinLabelsAndAppend(AlphabeticIndex::ImmutableIndex &index, UnicodeString &dest) {
34     int32_t oldLength = dest.length();
35     const AlphabeticIndex::Bucket *bucket;
36     for (int32_t i = 0; (bucket = index.getBucket(i)) != NULL; ++i) {
37         if (dest.length() > oldLength) {
38             dest.append((UChar)0x3A);  // ':'
39         }
40         dest.append(bucket->getLabel());
41     }
42     return dest;
43 }
44 
45 }  // namespace
46 
AlphabeticIndexTest()47 AlphabeticIndexTest::AlphabeticIndexTest() {
48 }
49 
~AlphabeticIndexTest()50 AlphabeticIndexTest::~AlphabeticIndexTest() {
51 }
52 
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)53 void AlphabeticIndexTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
54 {
55     if (exec) logln("TestSuite AlphabeticIndex: ");
56     TESTCASE_AUTO_BEGIN;
57     TESTCASE_AUTO(APITest);
58     TESTCASE_AUTO(ManyLocalesTest);
59     TESTCASE_AUTO(HackPinyinTest);
60     TESTCASE_AUTO(TestBug9009);
61     TESTCASE_AUTO(TestIndexCharactersList);
62     TESTCASE_AUTO(TestHaniFirst);
63     TESTCASE_AUTO(TestPinyinFirst);
64     TESTCASE_AUTO(TestSchSt);
65     TESTCASE_AUTO(TestNoLabels);
66     TESTCASE_AUTO(TestChineseZhuyin);
67     TESTCASE_AUTO(TestJapaneseKanji);
68     TESTCASE_AUTO(TestChineseUnihan);
69     TESTCASE_AUTO_END;
70 }
71 
72 #define TEST_CHECK_STATUS {if (U_FAILURE(status)) {dataerrln("%s:%d: Test failure.  status=%s", \
73                                                               __FILE__, __LINE__, u_errorName(status)); return;}}
74 
75 #define TEST_ASSERT(expr) {if ((expr)==FALSE) {errln("%s:%d: Test failure \n", __FILE__, __LINE__);};}
76 
77 //
78 //  APITest.   Invoke every function at least once, and check that it does something.
79 //             Does not attempt to check complete functionality.
80 //
APITest()81 void AlphabeticIndexTest::APITest() {
82     //
83     //  Simple constructor and destructor,  getBucketCount()
84     //
85     UErrorCode status = U_ZERO_ERROR;
86     int32_t lc = 0;
87     int32_t i  = 0;
88     AlphabeticIndex *index = new AlphabeticIndex(Locale::getEnglish(), status);
89     TEST_CHECK_STATUS;
90     lc = index->getBucketCount(status);
91     TEST_CHECK_STATUS;
92     TEST_ASSERT(28 == lc);    // 26 letters plus two under/overflow labels.
93     //printf("getBucketCount() == %d\n", lc);
94     delete index;
95 
96     // Constructor from a Collator
97     //
98     status = U_ZERO_ERROR;
99     RuleBasedCollator *coll = dynamic_cast<RuleBasedCollator *>(
100         Collator::createInstance(Locale::getGerman(), status));
101     TEST_CHECK_STATUS;
102     TEST_ASSERT(coll != NULL);
103     index = new AlphabeticIndex(coll, status);
104     TEST_CHECK_STATUS;
105     TEST_ASSERT(coll == &index->getCollator());
106     assertEquals("only the underflow label in an index built from a collator",
107                  1, index->getBucketCount(status));
108     TEST_CHECK_STATUS;
109     delete index;
110 
111 
112     // addLabels()
113 
114     status = U_ZERO_ERROR;
115     index = new AlphabeticIndex(Locale::getEnglish(), status);
116     TEST_CHECK_STATUS;
117     UnicodeSet additions;
118     additions.add((UChar32)0x410).add((UChar32)0x415);   // A couple of Cyrillic letters
119     index->addLabels(additions, status);
120     TEST_CHECK_STATUS;
121     lc = index->getBucketCount(status);
122     TEST_CHECK_STATUS;
123     assertEquals("underflow, A-Z, inflow, 2 Cyrillic, overflow",
124                  31, index->getBucketCount(status));
125     // std::cout << lc << std::endl;
126     delete index;
127 
128 
129     // addLabels(Locale)
130 
131     status = U_ZERO_ERROR;
132     index = new AlphabeticIndex(Locale::getEnglish(), status);
133     TEST_CHECK_STATUS;
134     AlphabeticIndex &aip = index->addLabels(Locale::getJapanese(), status);
135     TEST_ASSERT(&aip == index);
136     TEST_CHECK_STATUS;
137     lc = index->getBucketCount(status);
138     TEST_CHECK_STATUS;
139     TEST_ASSERT(35 < lc);  // Japanese should add a bunch.  Don't rely on the exact value.
140     delete index;
141 
142     // GetCollator(),  Get under/in/over flow labels
143 
144     status = U_ZERO_ERROR;
145     index = new AlphabeticIndex(Locale::getGerman(), status);
146     TEST_CHECK_STATUS;
147     Collator *germanCol = Collator::createInstance(Locale::getGerman(), status);
148     TEST_CHECK_STATUS;
149     const RuleBasedCollator &indexCol = index->getCollator();
150     TEST_ASSERT(*germanCol == indexCol);
151     delete germanCol;
152 
153     UnicodeString ELLIPSIS;  ELLIPSIS.append((UChar32)0x2026);
154     UnicodeString s = index->getUnderflowLabel();
155     TEST_ASSERT(ELLIPSIS == s);
156     s = index->getOverflowLabel();
157     TEST_ASSERT(ELLIPSIS == s);
158     s = index->getInflowLabel();
159     TEST_ASSERT(ELLIPSIS == s);
160     index->setOverflowLabel(UNICODE_STRING_SIMPLE("O"), status);
161     index->setUnderflowLabel(UNICODE_STRING_SIMPLE("U"), status).setInflowLabel(UNICODE_STRING_SIMPLE("I"), status);
162     s = index->getUnderflowLabel();
163     TEST_ASSERT(UNICODE_STRING_SIMPLE("U") == s);
164     s = index->getOverflowLabel();
165     TEST_ASSERT(UNICODE_STRING_SIMPLE("O") == s);
166     s = index->getInflowLabel();
167     TEST_ASSERT(UNICODE_STRING_SIMPLE("I") == s);
168 
169 
170 
171 
172     delete index;
173 
174 
175 
176     const UnicodeString adam = UNICODE_STRING_SIMPLE("Adam");
177     const UnicodeString baker = UNICODE_STRING_SIMPLE("Baker");
178     const UnicodeString charlie = UNICODE_STRING_SIMPLE("Charlie");
179     const UnicodeString chad = UNICODE_STRING_SIMPLE("Chad");
180     const UnicodeString zed  = UNICODE_STRING_SIMPLE("Zed");
181     const UnicodeString Cyrillic = UNICODE_STRING_SIMPLE("\\u0410\\u0443\\u0435").unescape();
182 
183     // addRecord(), verify that it comes back out.
184     //
185     status = U_ZERO_ERROR;
186     index = new AlphabeticIndex(Locale::getEnglish(), status);
187     TEST_CHECK_STATUS;
188     index->addRecord(UnicodeString("Adam"), this, status);
189     UBool   b;
190     TEST_CHECK_STATUS;
191     index->resetBucketIterator(status);
192     TEST_CHECK_STATUS;
193     index->nextBucket(status);  // Move to underflow label
194     index->nextBucket(status);  // Move to "A"
195     TEST_CHECK_STATUS;
196     const UnicodeString &label2 = index->getBucketLabel();
197     UnicodeString A_STR = UNICODE_STRING_SIMPLE("A");
198     TEST_ASSERT(A_STR == label2);
199 
200     b = index->nextRecord(status);
201     TEST_CHECK_STATUS;
202     TEST_ASSERT(b);
203     const UnicodeString &itemName = index->getRecordName();
204     TEST_ASSERT(adam == itemName);
205 
206     const void *itemContext = index->getRecordData();
207     TEST_ASSERT(itemContext == this);
208 
209     delete index;
210 
211     // clearRecords, addRecord(), Iteration
212 
213     status = U_ZERO_ERROR;
214     index = new AlphabeticIndex(Locale::getEnglish(), status);
215     TEST_CHECK_STATUS;
216     while (index->nextBucket(status)) {
217         TEST_CHECK_STATUS;
218         while (index->nextRecord(status)) {
219             TEST_CHECK_STATUS;
220             TEST_ASSERT(FALSE);   // No items have been added.
221         }
222         TEST_CHECK_STATUS;
223     }
224 
225     index->addRecord(adam, NULL, status);
226     index->addRecord(baker, NULL, status);
227     index->addRecord(charlie, NULL, status);
228     index->addRecord(chad, NULL, status);
229     TEST_CHECK_STATUS;
230     int itemCount = 0;
231     index->resetBucketIterator(status);
232     while (index->nextBucket(status)) {
233         TEST_CHECK_STATUS;
234         while (index->nextRecord(status)) {
235             TEST_CHECK_STATUS;
236             ++itemCount;
237         }
238     }
239     TEST_CHECK_STATUS;
240     TEST_ASSERT(itemCount == 4);
241 
242     TEST_ASSERT(index->nextBucket(status) == FALSE);
243     index->resetBucketIterator(status);
244     TEST_CHECK_STATUS;
245     TEST_ASSERT(index->nextBucket(status) == TRUE);
246 
247     index->clearRecords(status);
248     TEST_CHECK_STATUS;
249     index->resetBucketIterator(status);
250     while (index->nextBucket(status)) {
251         TEST_CHECK_STATUS;
252         while (index->nextRecord(status)) {
253             TEST_ASSERT(FALSE);   // No items have been added.
254         }
255     }
256     TEST_CHECK_STATUS;
257     delete index;
258 
259     // getBucketLabel(), getBucketType()
260 
261     status = U_ZERO_ERROR;
262     index = new AlphabeticIndex(Locale::getEnglish(), status);
263     TEST_CHECK_STATUS;
264     index->setUnderflowLabel(adam, status).setOverflowLabel(charlie, status);
265     TEST_CHECK_STATUS;
266     for (i=0; index->nextBucket(status); i++) {
267         TEST_CHECK_STATUS;
268         UnicodeString label = index->getBucketLabel();
269         UAlphabeticIndexLabelType type = index->getBucketLabelType();
270         if (i == 0) {
271             TEST_ASSERT(type == U_ALPHAINDEX_UNDERFLOW);
272             TEST_ASSERT(label == adam);
273         } else if (i <= 26) {
274             // Labels A - Z for English locale
275             TEST_ASSERT(type == U_ALPHAINDEX_NORMAL);
276             UnicodeString expectedLabel((UChar)(0x40 + i));
277             TEST_ASSERT(expectedLabel == label);
278         } else if (i == 27) {
279             TEST_ASSERT(type == U_ALPHAINDEX_OVERFLOW);
280             TEST_ASSERT(label == charlie);
281         } else {
282             TEST_ASSERT(FALSE);
283         }
284     }
285     TEST_ASSERT(i==28);
286     delete index;
287 
288     // getBucketIndex()
289 
290     status = U_ZERO_ERROR;
291     index = new AlphabeticIndex(Locale::getEnglish(), status);
292     TEST_CHECK_STATUS;
293     int32_t n = index->getBucketIndex(adam, status);
294     TEST_CHECK_STATUS;
295     TEST_ASSERT(n == 1);    /*  Label #0 is underflow, 1 is A, etc. */
296     n = index->getBucketIndex(baker, status);
297     TEST_ASSERT(n == 2);
298     n = index->getBucketIndex(Cyrillic, status);
299     TEST_ASSERT(n == 27);   // Overflow label
300     n = index->getBucketIndex(zed, status);
301     TEST_ASSERT(n == 26);
302 
303     for (i=0; index->nextBucket(status); i++) {
304         n = index->getBucketIndex();
305         TEST_ASSERT(n == i);
306         UnicodeString label = index->getBucketLabel();
307         TEST_ASSERT(n == i);
308     }
309     TEST_ASSERT(i == 28);
310 
311     delete index;
312     index = new AlphabeticIndex(Locale::createFromName("ru"), status);
313     TEST_CHECK_STATUS;
314     assertEquals("Russian index.getBucketCount()", 32, index->getBucketCount(status));
315     // Latin-script names should go into the underflow label (0)
316     // if the Russian collation does not use script reordering,
317     // but into the overflow label (getBucketCount()-1)
318     // if Russian sorts Cyrillic first.
319     int32_t reorderCodes[20];
320     int32_t expectedLatinIndex = 0;
321     if (index->getCollator().getReorderCodes(reorderCodes, UPRV_LENGTHOF(reorderCodes), status) > 0) {
322         expectedLatinIndex = index->getBucketCount(status) - 1;
323     }
324     n = index->getBucketIndex(adam, status);
325     TEST_CHECK_STATUS;
326     assertEquals("Russian index.getBucketIndex(adam)", expectedLatinIndex, n);
327     n = index->getBucketIndex(baker, status);
328     assertEquals("Russian index.getBucketIndex(baker)", expectedLatinIndex, n);
329     n = index->getBucketIndex(Cyrillic, status);
330     assertEquals("Russian index.getBucketIndex(Cyrillic)", 1, n);
331     n = index->getBucketIndex(zed, status);
332     assertEquals("Russian index.getBucketIndex(zed)", expectedLatinIndex, n);
333 
334     delete index;
335 
336 }
337 
338 
339 static const char * KEY_LOCALES[] = {
340             "en", "es", "de", "fr", "ja", "it", "tr", "pt", "zh", "nl",
341             "pl", "ar", "ru", "zh_Hant", "ko", "th", "sv", "fi", "da",
342             "he", "nb", "el", "hr", "bg", "sk", "lt", "vi", "lv", "sr",
343             "pt_PT", "ro", "hu", "cs", "id", "sl", "fil", "fa", "uk",
344             "ca", "hi", "et", "eu", "is", "sw", "ms", "bn", "am", "ta",
345             "te", "mr", "ur", "ml", "kn", "gu", "or", ""};
346 
347 
ManyLocalesTest()348 void AlphabeticIndexTest::ManyLocalesTest() {
349     UErrorCode status = U_ZERO_ERROR;
350     int32_t  lc = 0;
351 
352     for (int i=0; ; ++i) {
353         status = U_ZERO_ERROR;
354         const char *localeName = KEY_LOCALES[i];
355         if (localeName[0] == 0) {
356             break;
357         }
358         // std::cout <<  localeName << "  ";
359         Locale loc = Locale::createFromName(localeName);
360         AlphabeticIndex index(loc, status);
361         TEST_CHECK_STATUS;
362         lc = index.getBucketCount(status);
363         TEST_CHECK_STATUS;
364         // std::cout << "getBucketCount() == " << lc << std::endl;
365 
366         LocalPointer<AlphabeticIndex::ImmutableIndex> immIndex(index.buildImmutableIndex(status));
367         TEST_CHECK_STATUS;
368         TEST_ASSERT(lc == immIndex->getBucketCount());
369 
370         assertEquals("initial bucket index", -1, index.getBucketIndex());
371         int32_t bucketIndex = 0;
372         while (index.nextBucket(status)) {
373             TEST_CHECK_STATUS;
374             assertEquals("bucket index", bucketIndex, index.getBucketIndex());
375             const UnicodeString &label = index.getBucketLabel();
376             TEST_ASSERT(label.length()>0);
377             // std::string ss;
378             // std::cout << ":" << label.toUTF8String(ss);
379             const AlphabeticIndex::Bucket *bucket = immIndex->getBucket(bucketIndex);
380             TEST_ASSERT(bucket != NULL);
381             assertEquals("bucket label vs. immutable: locale=" + UnicodeString(localeName) +
382                          " index=" + bucketIndex,
383                          label, bucket->getLabel());
384             TEST_ASSERT(&label != &bucket->getLabel());  // not the same pointers
385             UAlphabeticIndexLabelType labelType = index.getBucketLabelType();
386             TEST_ASSERT(labelType == bucket->getLabelType());
387             ++bucketIndex;
388         }
389         // std::cout << ":" << std::endl;
390 
391         TEST_ASSERT(immIndex->getBucketCount() == bucketIndex);
392         TEST_ASSERT(immIndex->getBucket(-1) == NULL);
393         TEST_ASSERT(immIndex->getBucket(bucketIndex) == NULL);
394     }
395 }
396 
397 
398 // Test data for Pinyin based indexes.
399 //  The Chinese characters should be distributed under latin labels in
400 //  an index.
401 
402 static const char *pinyinTestData[] = {
403         "\\u0101", "\\u5416", "\\u58ba", //
404         "b", "\\u516b", "\\u62d4", "\\u8500", //
405         "c", "\\u5693", "\\u7938", "\\u9e7e", //
406         "d", "\\u5491", "\\u8fcf", "\\u964a", //
407         "\\u0113","\\u59b8", "\\u92e8", "\\u834b", //
408         "f", "\\u53d1", "\\u9197", "\\u99a5", //
409         "g", "\\u7324", "\\u91d3", "\\u8142", //
410         "h", "\\u598e", "\\u927f", "\\u593b", //
411         "j", "\\u4e0c", "\\u6785", "\\u9d58", //
412         "k", "\\u5494", "\\u958b", "\\u7a52", //
413         "l", "\\u5783", "\\u62c9", "\\u9ba5", //
414         "m", "\\u5638", "\\u9ebb", "\\u65c0", //
415         "n", "\\u62ff", "\\u80ad", "\\u685b", //
416         "\\u014D", "\\u5662", "\\u6bee", "\\u8bb4", //
417         "p", "\\u5991", "\\u8019", "\\u8c31", //
418         "q", "\\u4e03", "\\u6053", "\\u7f56", //
419         "r", "\\u5465", "\\u72aa", "\\u6e03", //
420         "s", "\\u4ee8", "\\u9491", "\\u93c1", //
421         "t", "\\u4ed6", "\\u9248", "\\u67dd", //
422         "w", "\\u5c72", "\\u5558", "\\u5a7a", //
423         "x", "\\u5915", "\\u5438", "\\u6bbe", //
424         "y", "\\u4e2b", "\\u82bd", "\\u8574", //
425         "z", "\\u5e00", "\\u707d", "\\u5c0a",
426         NULL
427     };
428 
HackPinyinTest()429 void AlphabeticIndexTest::HackPinyinTest() {
430     UErrorCode status = U_ZERO_ERROR;
431     AlphabeticIndex aindex(Locale::createFromName("zh"), status);
432     TEST_CHECK_STATUS;
433 
434     UnicodeString names[UPRV_LENGTHOF(pinyinTestData)];
435     int32_t  nameCount;
436     for (nameCount=0; pinyinTestData[nameCount] != NULL; nameCount++) {
437         names[nameCount] = UnicodeString(pinyinTestData[nameCount], -1, UnicodeString::kInvariant).unescape();
438         aindex.addRecord(names[nameCount], &names[nameCount], status);
439         TEST_CHECK_STATUS;
440         if (U_FAILURE(status)) {
441             return;
442         }
443     }
444     TEST_ASSERT(nameCount == aindex.getRecordCount(status));
445 
446     // Weak checking:  make sure that none of the Chinese names landed in the overflow bucket
447     //   of the index, and that the names are distributed among several buckets.
448     //   (Exact expected data would be subject to change with evolution of the collation rules.)
449 
450     int32_t bucketCount = 0;
451     int32_t filledBucketCount = 0;
452     while (aindex.nextBucket(status)) {
453         bucketCount++;
454         UnicodeString label = aindex.getBucketLabel();
455         // std::string s;
456         // std::cout << label.toUTF8String(s) << ":  ";
457 
458         UBool  bucketHasContents = FALSE;
459         while (aindex.nextRecord(status)) {
460             bucketHasContents = TRUE;
461             UnicodeString name = aindex.getRecordName();
462             if (aindex.getBucketLabelType() != U_ALPHAINDEX_NORMAL) {
463                 errln("File %s, Line %d, Name \"\\u%x\" is in an under or overflow bucket.",
464                     __FILE__, __LINE__, name.char32At(0));
465             }
466             // s.clear();
467             // std::cout << aindex.getRecordName().toUTF8String(s) << " ";
468         }
469         if (bucketHasContents) {
470             filledBucketCount++;
471         }
472         // std::cout << std::endl;
473     }
474     TEST_ASSERT(bucketCount > 25);
475     TEST_ASSERT(filledBucketCount > 15);
476 }
477 
478 
TestBug9009()479 void AlphabeticIndexTest::TestBug9009() {
480     UErrorCode status = U_ZERO_ERROR;
481     Locale loc("root");
482     AlphabeticIndex aindex(loc, status);
483     TEST_CHECK_STATUS;
484     aindex.nextBucket(status);  // Crash here before bug was fixed.
485     TEST_CHECK_STATUS;
486 }
487 
488 static const char *localeAndIndexCharactersLists[][2] = {
489     /* Arabic*/ {"ar", "\\u0627:\\u0628:\\u062A:\\u062B:\\u062C:\\u062D:\\u062E:\\u062F:\\u0630:\\u0631:\\u0632:\\u0633:\\u0634:\\u0635:\\u0636:\\u0637:\\u0638:\\u0639:\\u063A:\\u0641:\\u0642:\\u0643:\\u0644:\\u0645:\\u0646:\\u0647:\\u0648:\\u064A"},
490     /* Bulgarian*/  {"bg", "\\u0410:\\u0411:\\u0412:\\u0413:\\u0414:\\u0415:\\u0416:\\u0417:\\u0418:\\u0419:\\u041A:\\u041B:\\u041C:\\u041D:\\u041E:\\u041F:\\u0420:\\u0421:\\u0422:\\u0423:\\u0424:\\u0425:\\u0426:\\u0427:\\u0428:\\u0429:\\u042E:\\u042F"},
491     /* Catalan*/    {"ca", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
492     /* Czech*/  {"cs", "A:B:C:\\u010C:D:E:F:G:H:CH:I:J:K:L:M:N:O:P:Q:R:\\u0158:S:\\u0160:T:U:V:W:X:Y:Z:\\u017D"},
493     /* Danish*/ {"da", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z:\\u00C6:\\u00D8:\\u00C5"},
494     /* German*/ {"de", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
495     /* Greek*/  {"el", "\\u0391:\\u0392:\\u0393:\\u0394:\\u0395:\\u0396:\\u0397:\\u0398:\\u0399:\\u039A:\\u039B:\\u039C:\\u039D:\\u039E:\\u039F:\\u03A0:\\u03A1:\\u03A3:\\u03A4:\\u03A5:\\u03A6:\\u03A7:\\u03A8:\\u03A9"},
496     /* English*/    {"en", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
497     /* Spanish*/    {"es", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:\\u00D1:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
498     /* Estonian*/   {"et", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:\\u0160:Z:\\u017D:T:U:V:\\u00D5:\\u00C4:\\u00D6:\\u00DC:X:Y"},
499     /* Basque*/ {"eu", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
500     /* Finnish*/    {"fi", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z:\\u00C5:\\u00C4:\\u00D6"},
501     /* Filipino*/   {"fil", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:\\u00D1:Ng:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
502     /* French*/ {"fr", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
503     /* Hebrew*/ {"he", "\\u05D0:\\u05D1:\\u05D2:\\u05D3:\\u05D4:\\u05D5:\\u05D6:\\u05D7:\\u05D8:\\u05D9:\\u05DB:\\u05DC:\\u05DE:\\u05E0:\\u05E1:\\u05E2:\\u05E4:\\u05E6:\\u05E7:\\u05E8:\\u05E9:\\u05EA"},
504     /* Icelandic*/  {"is", "A:\\u00C1:B:C:D:\\u00D0:E:\\u00C9:F:G:H:I:\\u00CD:J:K:L:M:N:O:\\u00D3:P:Q:R:S:T:U:\\u00DA:V:W:X:Y:\\u00DD:Z:\\u00DE:\\u00C6:\\u00D6"},
505     /* Italian*/    {"it", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
506     /* Japanese*/   {"ja", "\\u3042:\\u304B:\\u3055:\\u305F:\\u306A:\\u306F:\\u307E:\\u3084:\\u3089:\\u308F"},
507     /* Korean*/ {"ko", "\\u3131:\\u3134:\\u3137:\\u3139:\\u3141:\\u3142:\\u3145:\\u3147:\\u3148:\\u314A:\\u314B:\\u314C:\\u314D:\\u314E"},
508     /* Lithuanian*/ {"lt", "A:B:C:\\u010C:D:E:F:G:H:I:J:K:L:M:N:O:P:R:S:\\u0160:T:U:V:Z:\\u017D"},
509     /* Latvian*/    {"lv", "A:B:C:\\u010C:D:E:F:G:\\u0122:H:I:J:K:\\u0136:L:\\u013B:M:N:\\u0145:O:P:Q:R:S:\\u0160:T:U:V:W:X:Z:\\u017D"},
510     /* Norwegian Bokm\\u00E5l*/  {"nb", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z:\\u00C6:\\u00D8:\\u00C5"},
511     /* Dutch*/  {"nl", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
512     /* Polish*/ {"pl", "A:\\u0104:B:C:\\u0106:D:E:\\u0118:F:G:H:I:J:K:L:\\u0141:M:N:\\u0143:O:\\u00D3:P:Q:R:S:\\u015A:T:U:V:W:X:Y:Z:\\u0179:\\u017B"},
513     /* Portuguese*/ {"pt", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
514     /* Romanian*/   {"ro", "A:\\u0102:\\u00C2:B:C:D:E:F:G:H:I:\\u00CE:J:K:L:M:N:O:P:Q:R:S:\\u0218:T:\\u021A:U:V:W:X:Y:Z"},
515     /* Russian*/    {"ru", "\\u0410:\\u0411:\\u0412:\\u0413:\\u0414:\\u0415:\\u0416:\\u0417:\\u0418:\\u0419:\\u041A:\\u041B:\\u041C:\\u041D:\\u041E:\\u041F:\\u0420:\\u0421:\\u0422:\\u0423:\\u0424:\\u0425:\\u0426:\\u0427:\\u0428:\\u0429:\\u042B:\\u042D:\\u042E:\\u042F"},
516     /* Slovak*/ {"sk", "A:\\u00C4:B:C:\\u010C:D:E:F:G:H:CH:I:J:K:L:M:N:O:\\u00D4:P:Q:R:S:\\u0160:T:U:V:W:X:Y:Z:\\u017D"},
517     /* Slovenian*/  {"sl", "A:B:C:\\u010C:\\u0106:D:\\u0110:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:\\u0160:T:U:V:W:X:Y:Z:\\u017D"},
518     /* Serbian*/    {"sr", "\\u0410:\\u0411:\\u0412:\\u0413:\\u0414:\\u0402:\\u0415:\\u0416:\\u0417:\\u0418:\\u0408:\\u041A:\\u041B:\\u0409:\\u041C:\\u041D:\\u040A:\\u041E:\\u041F:\\u0420:\\u0421:\\u0422:\\u040B:\\u0423:\\u0424:\\u0425:\\u0426:\\u0427:\\u040F:\\u0428"},
519     /* Swedish*/    {"sv", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z:\\u00C5:\\u00C4:\\u00D6"},
520     /* Turkish*/    {"tr", "A:B:C:\\u00C7:D:E:F:G:H:I:\\u0130:J:K:L:M:N:O:\\u00D6:P:Q:R:S:\\u015E:T:U:\\u00DC:V:W:X:Y:Z"},
521     /* Ukrainian*/  {"uk", "\\u0410:\\u0411:\\u0412:\\u0413:\\u0490:\\u0414:\\u0415:\\u0404:\\u0416:\\u0417:\\u0418:\\u0406:\\u0407:\\u0419:\\u041A:\\u041B:\\u041C:\\u041D:\\u041E:\\u041F:\\u0420:\\u0421:\\u0422:\\u0423:\\u0424:\\u0425:\\u0426:\\u0427:\\u0428:\\u0429:\\u042E:\\u042F"},
522     /* Vietnamese*/ {"vi", "A:\\u0102:\\u00C2:B:C:D:\\u0110:E:\\u00CA:F:G:H:I:J:K:L:M:N:O:\\u00D4:\\u01A0:P:Q:R:S:T:U:\\u01AF:V:W:X:Y:Z"},
523     /* Chinese*/    {"zh", "A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z"},
524     /* Chinese (Traditional Han)*/  {"zh_Hant", "1\\u5283:2\\u5283:3\\u5283:4\\u5283:5\\u5283:6\\u5283:7\\u5283:8\\u5283:9\\u5283:10\\u5283:11\\u5283:12\\u5283:13\\u5283:14\\u5283:15\\u5283:16\\u5283:17\\u5283:18\\u5283:19\\u5283:20\\u5283:21\\u5283:22\\u5283:23\\u5283:24\\u5283:25\\u5283:26\\u5283:27\\u5283:28\\u5283:29\\u5283:30\\u5283:31\\u5283:32\\u5283:33\\u5283:35\\u5283:36\\u5283:39\\u5283:48\\u5283"},
525 };
526 
TestIndexCharactersList()527 void AlphabeticIndexTest::TestIndexCharactersList() {
528     UErrorCode status = U_ZERO_ERROR;
529     for (int32_t i = 0; i < UPRV_LENGTHOF(localeAndIndexCharactersLists); ++i) {
530         const char *(&localeAndIndexCharacters)[2] = localeAndIndexCharactersLists[i];
531         const char *locale = localeAndIndexCharacters[0];
532         UnicodeString expectedIndexCharacters
533             = (UnicodeString("\\u2026:") + localeAndIndexCharacters[1] + ":\\u2026").unescape();
534         AlphabeticIndex index(locale, status);
535         TEST_CHECK_STATUS;
536         LocalPointer<AlphabeticIndex::ImmutableIndex> immIndex(index.buildImmutableIndex(status));
537         TEST_CHECK_STATUS;
538 
539         // Join the elements of the list to a string with delimiter ":"
540         UnicodeString actualIndexCharacters;
541         assertEquals(locale,
542                      expectedIndexCharacters,
543                      joinLabelsAndAppend(*immIndex, actualIndexCharacters));
544         logln(locale + UnicodeString(": ") + actualIndexCharacters);
545     }
546 }
547 
TestHaniFirst()548 void AlphabeticIndexTest::TestHaniFirst() {
549     UErrorCode status = U_ZERO_ERROR;
550     LocalPointer<RuleBasedCollator> coll(
551         static_cast<RuleBasedCollator *>(Collator::createInstance(Locale::getRoot(), status)));
552 
553     if (U_FAILURE(status)) {
554         dataerrln("Failed Collator::createInstance call - %s", u_errorName(status));
555         return;
556     }
557     int32_t reorderCodes[] = { USCRIPT_HAN };
558     coll->setReorderCodes(reorderCodes, UPRV_LENGTHOF(reorderCodes), status);
559     TEST_CHECK_STATUS;
560     AlphabeticIndex index(coll.orphan(), status);
561     TEST_CHECK_STATUS;
562     assertEquals("getBucketCount()", 1, index.getBucketCount(status));   // ... (underflow only)
563     index.addLabels(Locale::getEnglish(), status);
564     assertEquals("getBucketCount()", 28, index.getBucketCount(status));  // ... A-Z ...
565     int32_t bucketIndex = index.getBucketIndex(UnicodeString((UChar)0x897f), status);
566     assertEquals("getBucketIndex(U+897F)", 0, bucketIndex);  // underflow bucket
567     bucketIndex = index.getBucketIndex("i", status);
568     assertEquals("getBucketIndex(i)", 9, bucketIndex);
569     bucketIndex = index.getBucketIndex(UnicodeString((UChar)0x03B1), status);
570     assertEquals("getBucketIndex(Greek alpha)", 27, bucketIndex);
571     // U+50005 is an unassigned code point which sorts at the end, independent of the Hani group.
572     bucketIndex = index.getBucketIndex(UnicodeString((UChar32)0x50005), status);
573     assertEquals("getBucketIndex(U+50005)", 27, bucketIndex);
574     bucketIndex = index.getBucketIndex(UnicodeString((UChar)0xFFFF), status);
575     assertEquals("getBucketIndex(U+FFFF)", 27, bucketIndex);
576 }
577 
TestPinyinFirst()578 void AlphabeticIndexTest::TestPinyinFirst() {
579     UErrorCode status = U_ZERO_ERROR;
580     LocalPointer<RuleBasedCollator> coll(
581         static_cast<RuleBasedCollator *>(Collator::createInstance(Locale::getChinese(), status)));
582     if (U_FAILURE(status)) {
583         dataerrln("Failed Collator::createInstance call - %s", u_errorName(status));
584         return;
585     }
586     int32_t reorderCodes[] = { USCRIPT_HAN };
587     coll->setReorderCodes(reorderCodes, UPRV_LENGTHOF(reorderCodes), status);
588     TEST_CHECK_STATUS;
589     AlphabeticIndex index(coll.orphan(), status);
590     TEST_CHECK_STATUS;
591     assertEquals("getBucketCount()", 28, index.getBucketCount(status));   // ... A-Z ...
592     index.addLabels(Locale::getChinese(), status);
593     assertEquals("getBucketCount()", 28, index.getBucketCount(status));  // ... A-Z ...
594     int32_t bucketIndex = index.getBucketIndex(UnicodeString((UChar)0x897f), status);
595     assertEquals("getBucketIndex(U+897F)", (int32_t)((UChar)0x0058/*X*/ - (UChar)0x0041/*A*/ + 1), bucketIndex);
596     bucketIndex = index.getBucketIndex("i", status);
597     assertEquals("getBucketIndex(i)", 9, bucketIndex);
598     bucketIndex = index.getBucketIndex(UnicodeString((UChar)0x03B1), status);
599     assertEquals("getBucketIndex(Greek alpha)", (int32_t)27, bucketIndex);
600     // U+50005 is an unassigned code point which sorts at the end, independent of the Hani group.
601     bucketIndex = index.getBucketIndex(UnicodeString((UChar32)0x50005), status);
602     assertEquals("getBucketIndex(U+50005)", 27, bucketIndex);
603     bucketIndex = index.getBucketIndex(UnicodeString((UChar)0xFFFF), status);
604     assertEquals("getBucketIndex(U+FFFF)", 27, bucketIndex);
605 }
606 
TestSchSt()607 void AlphabeticIndexTest::TestSchSt() {
608     UErrorCode status = U_ZERO_ERROR;
609     AlphabeticIndex index(Locale::getGerman(), status);
610     index.addLabels(UnicodeSet("[\\u00C6{Sch*}{St*}]", status), status);
611     TEST_CHECK_STATUS;
612     // ... A AE-ligature B-R S Sch St T-Z ...
613     LocalPointer<AlphabeticIndex::ImmutableIndex> immIndex(index.buildImmutableIndex(status));
614     TEST_CHECK_STATUS;
615     assertEquals("getBucketCount()", 31, index.getBucketCount(status));
616     assertEquals("immutable getBucketCount()", 31, immIndex->getBucketCount());
617     static const struct TestCase {
618         const char *name;
619         int32_t bucketIndex;
620         const char *bucketLabel;
621     } testCases[] = {
622         // name, bucket index, bucket label
623         { "Adelbert", 1, "A" },
624         { "Afrika", 1, "A" },
625         { "\\u00C6sculap", 2, "\\u00C6" },
626         { "Aesthet", 2, "\\u00C6" },
627         { "Berlin", 3, "B" },
628         { "Rilke", 19, "R" },
629         { "Sacher", 20, "S" },
630         { "Seiler", 20, "S" },
631         { "Sultan", 20, "S" },
632         { "Schiller", 21, "Sch" },
633         { "Steiff", 22, "St" },
634         { "Thomas", 23, "T" }
635     };
636     for (int32_t i = 0; i < UPRV_LENGTHOF(testCases); ++i) {
637         const TestCase &testCase = testCases[i];
638         UnicodeString name = UnicodeString(testCase.name).unescape();
639         UnicodeString label = UnicodeString(testCase.bucketLabel).unescape();
640         char msg[100];
641         sprintf(msg, "getBucketIndex(%s)", testCase.name);
642         assertEquals(msg, testCase.bucketIndex, index.getBucketIndex(name, status));
643         sprintf(msg, "immutable getBucketIndex(%s)", testCase.name);
644         assertEquals(msg, testCase.bucketIndex, immIndex->getBucketIndex(name, status));
645         sprintf(msg, "immutable bucket label (%s)", testCase.name);
646         assertEquals(msg, label, immIndex->getBucket(testCase.bucketIndex)->getLabel());
647     }
648 }
649 
TestNoLabels()650 void AlphabeticIndexTest::TestNoLabels() {
651     UErrorCode status = U_ZERO_ERROR;
652     LocalPointer<RuleBasedCollator> coll(
653         static_cast<RuleBasedCollator *>(Collator::createInstance(Locale::getRoot(), status)));
654     TEST_CHECK_STATUS;
655     AlphabeticIndex index(coll.orphan(), status);
656     TEST_CHECK_STATUS;
657     index.addRecord(UnicodeString((UChar)0x897f), NULL, status);
658     index.addRecord("i", NULL, status);
659     index.addRecord(UnicodeString((UChar)0x03B1), NULL, status);
660     assertEquals("getBucketCount()", 1, index.getBucketCount(status));  // ...
661     TEST_ASSERT(index.nextBucket(status));
662     assertEquals("underflow label type", (int32_t)U_ALPHAINDEX_UNDERFLOW, index.getBucketLabelType());
663     assertEquals("all records in the underflow bucket", (int32_t)3, index.getBucketRecordCount());
664 }
665 
TestChineseZhuyin()666 void AlphabeticIndexTest::TestChineseZhuyin() {
667     UErrorCode status = U_ZERO_ERROR;
668     char loc[100];
669     uloc_forLanguageTag("zh-u-co-zhuyin", loc, UPRV_LENGTHOF(loc), NULL, &status);
670     AlphabeticIndex index(loc, status);
671     LocalPointer<AlphabeticIndex::ImmutableIndex> immIndex(index.buildImmutableIndex(status));
672     TEST_CHECK_STATUS;
673     assertEquals("getBucketCount()", 38, immIndex->getBucketCount());
674     assertEquals("label 1", UnicodeString((UChar)0x3105), immIndex->getBucket(1)->getLabel());
675     assertEquals("label 2", UnicodeString((UChar)0x3106), immIndex->getBucket(2)->getLabel());
676     assertEquals("label 3", UnicodeString((UChar)0x3107), immIndex->getBucket(3)->getLabel());
677     assertEquals("label 4", UnicodeString((UChar)0x3108), immIndex->getBucket(4)->getLabel());
678     assertEquals("label 5", UnicodeString((UChar)0x3109), immIndex->getBucket(5)->getLabel());
679 }
680 
TestJapaneseKanji()681 void AlphabeticIndexTest::TestJapaneseKanji() {
682     UErrorCode status = U_ZERO_ERROR;
683     AlphabeticIndex index(Locale::getJapanese(), status);
684     LocalPointer<AlphabeticIndex::ImmutableIndex> immIndex(index.buildImmutableIndex(status));
685     TEST_CHECK_STATUS;
686     // There are no index characters for Kanji in the Japanese standard collator.
687     // They should all go into the overflow bucket.
688     static const UChar32 kanji[] = { 0x4E9C, 0x95C7, 0x4E00, 0x58F1 };
689     int32_t overflowIndex = immIndex->getBucketCount() - 1;
690     for(int32_t i = 0; i < UPRV_LENGTHOF(kanji); ++i) {
691         char msg[40];
692         sprintf(msg, "kanji[%d]=U+%04lX in overflow bucket", (int)i, (long)kanji[i]);
693         assertEquals(msg, overflowIndex, immIndex->getBucketIndex(UnicodeString(kanji[i]), status));
694         TEST_CHECK_STATUS;
695     }
696 }
697 
TestChineseUnihan()698 void AlphabeticIndexTest::TestChineseUnihan() {
699     UErrorCode status = U_ZERO_ERROR;
700     AlphabeticIndex index("zh-u-co-unihan", status);
701     if(U_FAILURE(status)) {
702         dataerrln("unable create an AlphabeticIndex for Chinese/unihan: %s", u_errorName(status));
703         return;
704     }
705     index.setMaxLabelCount(500, status);  // ICU 54 default is 99.
706     LocalPointer<AlphabeticIndex::ImmutableIndex> immIndex(index.buildImmutableIndex(status));
707     TEST_CHECK_STATUS;
708     int32_t bucketCount = immIndex->getBucketCount();
709     if(bucketCount < 216) {
710         // There should be at least an underflow and overflow label,
711         // and one for each of 214 radicals,
712         // and maybe additional labels for simplified radicals.
713         dataerrln("too few buckets/labels for Chinese/unihan: %d (is zh/unihan data available?)",
714                   bucketCount);
715         return;
716     } else {
717         logln("Chinese/unihan has %d buckets/labels", bucketCount);
718     }
719     // bucketIndex = radical number, adjusted for simplified radicals in lower buckets.
720     int32_t bucketIndex = index.getBucketIndex(UnicodeString((UChar)0x4e5d), status);
721     assertEquals("getBucketIndex(U+4E5D)", 5, bucketIndex);
722     // radical 100, and there is a 90' since Unicode 8
723     bucketIndex = index.getBucketIndex(UnicodeString((UChar)0x7527), status);
724     assertEquals("getBucketIndex(U+7527)", 101, bucketIndex);
725 }
726 
727 #endif
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