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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /********************************************************************
4  * Copyright (c) 1997-2016, International Business Machines Corporation and
5  * others. All Rights Reserved.
6  ********************************************************************/
7 
8 #include "unicode/ustring.h"
9 #include "unicode/uchar.h"
10 #include "unicode/ucpmap.h"
11 #include "unicode/uniset.h"
12 #include "unicode/putil.h"
13 #include "unicode/uscript.h"
14 #include "unicode/uset.h"
15 #include "cstring.h"
16 #include "hash.h"
17 #include "patternprops.h"
18 #include "normalizer2impl.h"
19 #include "testutil.h"
20 #include "uparse.h"
21 #include "ucdtest.h"
22 
23 static const char *ignorePropNames[]={
24     "FC_NFKC",
25     "NFD_QC",
26     "NFC_QC",
27     "NFKD_QC",
28     "NFKC_QC",
29     "Expands_On_NFD",
30     "Expands_On_NFC",
31     "Expands_On_NFKD",
32     "Expands_On_NFKC",
33     "NFKC_CF"
34 };
35 
UnicodeTest()36 UnicodeTest::UnicodeTest()
37 {
38     UErrorCode errorCode=U_ZERO_ERROR;
39     unknownPropertyNames=new U_NAMESPACE_QUALIFIER Hashtable(errorCode);
40     if(U_FAILURE(errorCode)) {
41         delete unknownPropertyNames;
42         unknownPropertyNames=NULL;
43     }
44     // Ignore some property names altogether.
45     for(int32_t i=0; i<UPRV_LENGTHOF(ignorePropNames); ++i) {
46         unknownPropertyNames->puti(UnicodeString(ignorePropNames[i], -1, US_INV), 1, errorCode);
47     }
48 }
49 
~UnicodeTest()50 UnicodeTest::~UnicodeTest()
51 {
52     delete unknownPropertyNames;
53 }
54 
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)55 void UnicodeTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
56 {
57     if(exec) {
58         logln("TestSuite UnicodeTest: ");
59     }
60     TESTCASE_AUTO_BEGIN;
61     TESTCASE_AUTO(TestAdditionalProperties);
62     TESTCASE_AUTO(TestBinaryValues);
63     TESTCASE_AUTO(TestConsistency);
64     TESTCASE_AUTO(TestPatternProperties);
65     TESTCASE_AUTO(TestScriptMetadata);
66     TESTCASE_AUTO(TestBidiPairedBracketType);
67     TESTCASE_AUTO(TestEmojiProperties);
68     TESTCASE_AUTO(TestEmojiPropertiesOfStrings);
69     TESTCASE_AUTO(TestIndicPositionalCategory);
70     TESTCASE_AUTO(TestIndicSyllabicCategory);
71     TESTCASE_AUTO(TestVerticalOrientation);
72     TESTCASE_AUTO(TestDefaultScriptExtensions);
73     TESTCASE_AUTO(TestInvalidCodePointFolding);
74 #if !UCONFIG_NO_NORMALIZATION
75     TESTCASE_AUTO(TestBinaryCharacterProperties);
76     TESTCASE_AUTO(TestIntCharacterProperties);
77 #endif
78     TESTCASE_AUTO_END;
79 }
80 
81 //====================================================
82 // private data used by the tests
83 //====================================================
84 
85 // test DerivedCoreProperties.txt -------------------------------------------
86 
87 // copied from genprops.c
88 static int32_t
getTokenIndex(const char * const tokens[],int32_t countTokens,const char * s)89 getTokenIndex(const char *const tokens[], int32_t countTokens, const char *s) {
90     const char *t, *z;
91     int32_t i, j;
92 
93     s=u_skipWhitespace(s);
94     for(i=0; i<countTokens; ++i) {
95         t=tokens[i];
96         if(t!=NULL) {
97             for(j=0;; ++j) {
98                 if(t[j]!=0) {
99                     if(s[j]!=t[j]) {
100                         break;
101                     }
102                 } else {
103                     z=u_skipWhitespace(s+j);
104                     if(*z==';' || *z==0) {
105                         return i;
106                     } else {
107                         break;
108                     }
109                 }
110             }
111         }
112     }
113     return -1;
114 }
115 
116 static const char *const
117 derivedPropsNames[]={
118     "Math",
119     "Alphabetic",
120     "Lowercase",
121     "Uppercase",
122     "ID_Start",
123     "ID_Continue",
124     "XID_Start",
125     "XID_Continue",
126     "Default_Ignorable_Code_Point",
127     "Full_Composition_Exclusion",
128     "Grapheme_Extend",
129     "Grapheme_Link", /* Unicode 5 moves this property here from PropList.txt */
130     "Grapheme_Base",
131     "Cased",
132     "Case_Ignorable",
133     "Changes_When_Lowercased",
134     "Changes_When_Uppercased",
135     "Changes_When_Titlecased",
136     "Changes_When_Casefolded",
137     "Changes_When_Casemapped",
138     "Changes_When_NFKC_Casefolded"
139 };
140 
141 static const UProperty
142 derivedPropsIndex[]={
143     UCHAR_MATH,
144     UCHAR_ALPHABETIC,
145     UCHAR_LOWERCASE,
146     UCHAR_UPPERCASE,
147     UCHAR_ID_START,
148     UCHAR_ID_CONTINUE,
149     UCHAR_XID_START,
150     UCHAR_XID_CONTINUE,
151     UCHAR_DEFAULT_IGNORABLE_CODE_POINT,
152     UCHAR_FULL_COMPOSITION_EXCLUSION,
153     UCHAR_GRAPHEME_EXTEND,
154     UCHAR_GRAPHEME_LINK,
155     UCHAR_GRAPHEME_BASE,
156     UCHAR_CASED,
157     UCHAR_CASE_IGNORABLE,
158     UCHAR_CHANGES_WHEN_LOWERCASED,
159     UCHAR_CHANGES_WHEN_UPPERCASED,
160     UCHAR_CHANGES_WHEN_TITLECASED,
161     UCHAR_CHANGES_WHEN_CASEFOLDED,
162     UCHAR_CHANGES_WHEN_CASEMAPPED,
163     UCHAR_CHANGES_WHEN_NFKC_CASEFOLDED
164 };
165 
166 static int32_t numErrors[UPRV_LENGTHOF(derivedPropsIndex)]={ 0 };
167 
168 enum { MAX_ERRORS=50 };
169 
170 U_CFUNC void U_CALLCONV
derivedPropsLineFn(void * context,char * fields[][2],int32_t,UErrorCode * pErrorCode)171 derivedPropsLineFn(void *context,
172                    char *fields[][2], int32_t /* fieldCount */,
173                    UErrorCode *pErrorCode)
174 {
175     UnicodeTest *me=(UnicodeTest *)context;
176     uint32_t start, end;
177     int32_t i;
178 
179     u_parseCodePointRange(fields[0][0], &start, &end, pErrorCode);
180     if(U_FAILURE(*pErrorCode)) {
181         me->errln("UnicodeTest: syntax error in DerivedCoreProperties.txt or DerivedNormalizationProps.txt field 0 at %s\n", fields[0][0]);
182         return;
183     }
184 
185     /* parse derived binary property name, ignore unknown names */
186     i=getTokenIndex(derivedPropsNames, UPRV_LENGTHOF(derivedPropsNames), fields[1][0]);
187     if(i<0) {
188         UnicodeString propName(fields[1][0], (int32_t)(fields[1][1]-fields[1][0]));
189         propName.trim();
190         if(me->unknownPropertyNames->find(propName)==NULL) {
191             UErrorCode errorCode=U_ZERO_ERROR;
192             me->unknownPropertyNames->puti(propName, 1, errorCode);
193             me->errln("UnicodeTest warning: unknown property name '%s' in DerivedCoreProperties.txt or DerivedNormalizationProps.txt\n", fields[1][0]);
194         }
195         return;
196     }
197 
198     me->derivedProps[i].add(start, end);
199 }
200 
TestAdditionalProperties()201 void UnicodeTest::TestAdditionalProperties() {
202 #if !UCONFIG_NO_NORMALIZATION
203     // test DerivedCoreProperties.txt and DerivedNormalizationProps.txt
204     if(UPRV_LENGTHOF(derivedProps)<UPRV_LENGTHOF(derivedPropsNames)) {
205         errln("error: UnicodeTest::derivedProps[] too short, need at least %d UnicodeSets\n",
206               UPRV_LENGTHOF(derivedPropsNames));
207         return;
208     }
209     if(UPRV_LENGTHOF(derivedPropsIndex)!=UPRV_LENGTHOF(derivedPropsNames)) {
210         errln("error in ucdtest.cpp: UPRV_LENGTHOF(derivedPropsIndex)!=UPRV_LENGTHOF(derivedPropsNames)\n");
211         return;
212     }
213 
214     char path[500];
215     if(getUnidataPath(path) == NULL) {
216         errln("unable to find path to source/data/unidata/");
217         return;
218     }
219     char *basename=strchr(path, 0);
220     strcpy(basename, "DerivedCoreProperties.txt");
221 
222     char *fields[2][2];
223     UErrorCode errorCode=U_ZERO_ERROR;
224     u_parseDelimitedFile(path, ';', fields, 2, derivedPropsLineFn, this, &errorCode);
225     if(U_FAILURE(errorCode)) {
226         errln("error parsing DerivedCoreProperties.txt: %s\n", u_errorName(errorCode));
227         return;
228     }
229 
230     strcpy(basename, "DerivedNormalizationProps.txt");
231     u_parseDelimitedFile(path, ';', fields, 2, derivedPropsLineFn, this, &errorCode);
232     if(U_FAILURE(errorCode)) {
233         errln("error parsing DerivedNormalizationProps.txt: %s\n", u_errorName(errorCode));
234         return;
235     }
236 
237     // now we have all derived core properties in the UnicodeSets
238     // run them all through the API
239     int32_t rangeCount, range;
240     uint32_t i;
241     UChar32 start, end;
242 
243     // test all true properties
244     for(i=0; i<UPRV_LENGTHOF(derivedPropsNames); ++i) {
245         rangeCount=derivedProps[i].getRangeCount();
246         for(range=0; range<rangeCount && numErrors[i]<MAX_ERRORS; ++range) {
247             start=derivedProps[i].getRangeStart(range);
248             end=derivedProps[i].getRangeEnd(range);
249             for(; start<=end; ++start) {
250                 if(!u_hasBinaryProperty(start, derivedPropsIndex[i])) {
251                     dataerrln("UnicodeTest error: u_hasBinaryProperty(U+%04lx, %s)==false is wrong", start, derivedPropsNames[i]);
252                     if(++numErrors[i]>=MAX_ERRORS) {
253                       dataerrln("Too many errors, moving to the next test");
254                       break;
255                     }
256                 }
257             }
258         }
259     }
260 
261     // invert all properties
262     for(i=0; i<UPRV_LENGTHOF(derivedPropsNames); ++i) {
263         derivedProps[i].complement();
264     }
265 
266     // test all false properties
267     for(i=0; i<UPRV_LENGTHOF(derivedPropsNames); ++i) {
268         rangeCount=derivedProps[i].getRangeCount();
269         for(range=0; range<rangeCount && numErrors[i]<MAX_ERRORS; ++range) {
270             start=derivedProps[i].getRangeStart(range);
271             end=derivedProps[i].getRangeEnd(range);
272             for(; start<=end; ++start) {
273                 if(u_hasBinaryProperty(start, derivedPropsIndex[i])) {
274                     errln("UnicodeTest error: u_hasBinaryProperty(U+%04lx, %s)==true is wrong\n", start, derivedPropsNames[i]);
275                     if(++numErrors[i]>=MAX_ERRORS) {
276                       errln("Too many errors, moving to the next test");
277                       break;
278                     }
279                 }
280             }
281         }
282     }
283 #endif /* !UCONFIG_NO_NORMALIZATION */
284 }
285 
TestBinaryValues()286 void UnicodeTest::TestBinaryValues() {
287     /*
288      * Unicode 5.1 explicitly defines binary property value aliases.
289      * Verify that they are all recognized.
290      */
291     UErrorCode errorCode=U_ZERO_ERROR;
292     UnicodeSet alpha(UNICODE_STRING_SIMPLE("[:Alphabetic:]"), errorCode);
293     if(U_FAILURE(errorCode)) {
294         dataerrln("UnicodeSet([:Alphabetic:]) failed - %s", u_errorName(errorCode));
295         return;
296     }
297 
298     static const char *const falseValues[]={ "N", "No", "F", "False" };
299     static const char *const trueValues[]={ "Y", "Yes", "T", "True" };
300     int32_t i;
301     for(i=0; i<UPRV_LENGTHOF(falseValues); ++i) {
302         UnicodeString pattern=UNICODE_STRING_SIMPLE("[:Alphabetic=:]");
303         pattern.insert(pattern.length()-2, UnicodeString(falseValues[i], -1, US_INV));
304         errorCode=U_ZERO_ERROR;
305         UnicodeSet set(pattern, errorCode);
306         if(U_FAILURE(errorCode)) {
307             errln("UnicodeSet([:Alphabetic=%s:]) failed - %s\n", falseValues[i], u_errorName(errorCode));
308             continue;
309         }
310         set.complement();
311         if(set!=alpha) {
312             errln("UnicodeSet([:Alphabetic=%s:]).complement()!=UnicodeSet([:Alphabetic:])\n", falseValues[i]);
313         }
314     }
315     for(i=0; i<UPRV_LENGTHOF(trueValues); ++i) {
316         UnicodeString pattern=UNICODE_STRING_SIMPLE("[:Alphabetic=:]");
317         pattern.insert(pattern.length()-2, UnicodeString(trueValues[i], -1, US_INV));
318         errorCode=U_ZERO_ERROR;
319         UnicodeSet set(pattern, errorCode);
320         if(U_FAILURE(errorCode)) {
321             errln("UnicodeSet([:Alphabetic=%s:]) failed - %s\n", trueValues[i], u_errorName(errorCode));
322             continue;
323         }
324         if(set!=alpha) {
325             errln("UnicodeSet([:Alphabetic=%s:])!=UnicodeSet([:Alphabetic:])\n", trueValues[i]);
326         }
327     }
328 }
329 
TestConsistency()330 void UnicodeTest::TestConsistency() {
331 #if !UCONFIG_NO_NORMALIZATION
332     /*
333      * Test for an example that getCanonStartSet() delivers
334      * all characters that compose from the input one,
335      * even in multiple steps.
336      * For example, the set for "I" (0049) should contain both
337      * I-diaeresis (00CF) and I-diaeresis-acute (1E2E).
338      * In general, the set for the middle such character should be a subset
339      * of the set for the first.
340      */
341     IcuTestErrorCode errorCode(*this, "TestConsistency");
342     const Normalizer2 *nfd=Normalizer2::getNFDInstance(errorCode);
343     const Normalizer2Impl *nfcImpl=Normalizer2Factory::getNFCImpl(errorCode);
344     if(!nfcImpl->ensureCanonIterData(errorCode) || errorCode.isFailure()) {
345         dataerrln("Normalizer2::getInstance(NFD) or Normalizer2Factory::getNFCImpl() failed - %s\n",
346                   errorCode.errorName());
347         errorCode.reset();
348         return;
349     }
350 
351     UnicodeSet set1, set2;
352     if (nfcImpl->getCanonStartSet(0x49, set1)) {
353         /* enumerate all characters that are plausible to be latin letters */
354         for(UChar start=0xa0; start<0x2000; ++start) {
355             UnicodeString decomp=nfd->normalize(UnicodeString(start), errorCode);
356             if(decomp.length()>1 && decomp[0]==0x49) {
357                 set2.add(start);
358             }
359         }
360 
361         if (set1!=set2) {
362             errln("[canon start set of 0049] != [all c with canon decomp with 0049]");
363         }
364         // This was available in cucdtst.c but the test had to move to intltest
365         // because the new internal normalization functions are in C++.
366         //compareUSets(set1, set2,
367         //             "[canon start set of 0049]", "[all c with canon decomp with 0049]",
368         //             true);
369     } else {
370         errln("NFC.getCanonStartSet() returned false");
371     }
372 #endif
373 }
374 
375 /**
376  * Test various implementations of Pattern_Syntax & Pattern_White_Space.
377  */
TestPatternProperties()378 void UnicodeTest::TestPatternProperties() {
379     IcuTestErrorCode errorCode(*this, "TestPatternProperties()");
380     UnicodeSet syn_pp;
381     UnicodeSet syn_prop(UNICODE_STRING_SIMPLE("[:Pattern_Syntax:]"), errorCode);
382     UnicodeSet syn_list(
383         "[!-/\\:-@\\[-\\^`\\{-~"
384         "\\u00A1-\\u00A7\\u00A9\\u00AB\\u00AC\\u00AE\\u00B0\\u00B1\\u00B6\\u00BB\\u00BF\\u00D7\\u00F7"
385         "\\u2010-\\u2027\\u2030-\\u203E\\u2041-\\u2053\\u2055-\\u205E\\u2190-\\u245F\\u2500-\\u2775"
386         "\\u2794-\\u2BFF\\u2E00-\\u2E7F\\u3001-\\u3003\\u3008-\\u3020\\u3030\\uFD3E\\uFD3F\\uFE45\\uFE46]", errorCode);
387     UnicodeSet ws_pp;
388     UnicodeSet ws_prop(UNICODE_STRING_SIMPLE("[:Pattern_White_Space:]"), errorCode);
389     UnicodeSet ws_list(UNICODE_STRING_SIMPLE("[\\u0009-\\u000D\\ \\u0085\\u200E\\u200F\\u2028\\u2029]"), errorCode);
390     UnicodeSet syn_ws_pp;
391     UnicodeSet syn_ws_prop(syn_prop);
392     syn_ws_prop.addAll(ws_prop);
393     for(UChar32 c=0; c<=0xffff; ++c) {
394         if(PatternProps::isSyntax(c)) {
395             syn_pp.add(c);
396         }
397         if(PatternProps::isWhiteSpace(c)) {
398             ws_pp.add(c);
399         }
400         if(PatternProps::isSyntaxOrWhiteSpace(c)) {
401             syn_ws_pp.add(c);
402         }
403     }
404     compareUSets(syn_pp, syn_prop,
405                  "PatternProps.isSyntax()", "[:Pattern_Syntax:]", true);
406     compareUSets(syn_pp, syn_list,
407                  "PatternProps.isSyntax()", "[Pattern_Syntax ranges]", true);
408     compareUSets(ws_pp, ws_prop,
409                  "PatternProps.isWhiteSpace()", "[:Pattern_White_Space:]", true);
410     compareUSets(ws_pp, ws_list,
411                  "PatternProps.isWhiteSpace()", "[Pattern_White_Space ranges]", true);
412     compareUSets(syn_ws_pp, syn_ws_prop,
413                  "PatternProps.isSyntaxOrWhiteSpace()",
414                  "[[:Pattern_Syntax:][:Pattern_White_Space:]]", true);
415 }
416 
417 // So far only minimal port of Java & cucdtst.c compareUSets().
418 UBool
compareUSets(const UnicodeSet & a,const UnicodeSet & b,const char * a_name,const char * b_name,UBool diffIsError)419 UnicodeTest::compareUSets(const UnicodeSet &a, const UnicodeSet &b,
420                           const char *a_name, const char *b_name,
421                           UBool diffIsError) {
422     UBool same= a==b;
423     if(!same && diffIsError) {
424         errln("Sets are different: %s vs. %s\n", a_name, b_name);
425     }
426     return same;
427 }
428 
429 namespace {
430 
431 /**
432  * Maps a special script code to the most common script of its encoded characters.
433  */
getCharScript(UScriptCode script)434 UScriptCode getCharScript(UScriptCode script) {
435     switch(script) {
436     case USCRIPT_HAN_WITH_BOPOMOFO:
437     case USCRIPT_SIMPLIFIED_HAN:
438     case USCRIPT_TRADITIONAL_HAN:
439         return USCRIPT_HAN;
440     case USCRIPT_JAPANESE:
441         return USCRIPT_HIRAGANA;
442     case USCRIPT_JAMO:
443     case USCRIPT_KOREAN:
444         return USCRIPT_HANGUL;
445     case USCRIPT_SYMBOLS_EMOJI:
446         return USCRIPT_SYMBOLS;
447     default:
448         return script;
449     }
450 }
451 
452 }  // namespace
453 
TestScriptMetadata()454 void UnicodeTest::TestScriptMetadata() {
455     IcuTestErrorCode errorCode(*this, "TestScriptMetadata()");
456     UnicodeSet rtl("[[:bc=R:][:bc=AL:]-[:Cn:]-[:sc=Common:]]", errorCode);
457     // So far, sample characters are uppercase.
458     // Georgian is special.
459     UnicodeSet cased("[[:Lu:]-[:sc=Common:]-[:sc=Geor:]]", errorCode);
460     for(int32_t sci = 0; sci < USCRIPT_CODE_LIMIT; ++sci) {
461         UScriptCode sc = (UScriptCode)sci;
462         // Run the test with -v to see which script has failures:
463         // .../intltest$ make && ./intltest utility/UnicodeTest/TestScriptMetadata -v | grep -C 6 FAIL
464         logln(uscript_getShortName(sc));
465         UScriptUsage usage = uscript_getUsage(sc);
466         UnicodeString sample = uscript_getSampleUnicodeString(sc);
467         UnicodeSet scriptSet;
468         scriptSet.applyIntPropertyValue(UCHAR_SCRIPT, sc, errorCode);
469         if(usage == USCRIPT_USAGE_NOT_ENCODED) {
470             assertTrue("not encoded, no sample", sample.isEmpty());
471             assertFalse("not encoded, not RTL", uscript_isRightToLeft(sc));
472             assertFalse("not encoded, not LB letters", uscript_breaksBetweenLetters(sc));
473             assertFalse("not encoded, not cased", uscript_isCased(sc));
474             assertTrue("not encoded, no characters", scriptSet.isEmpty());
475         } else {
476             assertFalse("encoded, has a sample character", sample.isEmpty());
477             UChar32 firstChar = sample.char32At(0);
478             UScriptCode charScript = getCharScript(sc);
479             assertEquals("script(sample(script))",
480                          (int32_t)charScript, (int32_t)uscript_getScript(firstChar, errorCode));
481             assertEquals("RTL vs. set", (UBool)rtl.contains(firstChar), (UBool)uscript_isRightToLeft(sc));
482             assertEquals("cased vs. set", (UBool)cased.contains(firstChar), (UBool)uscript_isCased(sc));
483             assertEquals("encoded, has characters", (UBool)(sc == charScript), (UBool)(!scriptSet.isEmpty()));
484             if(uscript_isRightToLeft(sc)) {
485                 rtl.removeAll(scriptSet);
486             }
487             if(uscript_isCased(sc)) {
488                 cased.removeAll(scriptSet);
489             }
490         }
491     }
492     UnicodeString pattern;
493     assertEquals("no remaining RTL characters",
494                  UnicodeString("[]"), rtl.toPattern(pattern));
495     assertEquals("no remaining cased characters",
496                  UnicodeString("[]"), cased.toPattern(pattern));
497 
498     assertTrue("Hani breaks between letters", uscript_breaksBetweenLetters(USCRIPT_HAN));
499     assertTrue("Thai breaks between letters", uscript_breaksBetweenLetters(USCRIPT_THAI));
500     assertFalse("Latn does not break between letters", uscript_breaksBetweenLetters(USCRIPT_LATIN));
501 }
502 
TestBidiPairedBracketType()503 void UnicodeTest::TestBidiPairedBracketType() {
504     // BidiBrackets-6.3.0.txt says:
505     //
506     // The set of code points listed in this file was originally derived
507     // using the character properties General_Category (gc), Bidi_Class (bc),
508     // Bidi_Mirrored (Bidi_M), and Bidi_Mirroring_Glyph (bmg), as follows:
509     // two characters, A and B, form a pair if A has gc=Ps and B has gc=Pe,
510     // both have bc=ON and Bidi_M=Y, and bmg of A is B. Bidi_Paired_Bracket
511     // maps A to B and vice versa, and their Bidi_Paired_Bracket_Type
512     // property values are Open and Close, respectively.
513     IcuTestErrorCode errorCode(*this, "TestBidiPairedBracketType()");
514     UnicodeSet bpt("[:^bpt=n:]", errorCode);
515     assertTrue("bpt!=None is not empty", !bpt.isEmpty());
516     // The following should always be true.
517     UnicodeSet mirrored("[:Bidi_M:]", errorCode);
518     UnicodeSet other_neutral("[:bc=ON:]", errorCode);
519     assertTrue("bpt!=None is a subset of Bidi_M", mirrored.containsAll(bpt));
520     assertTrue("bpt!=None is a subset of bc=ON", other_neutral.containsAll(bpt));
521     // The following are true at least initially in Unicode 6.3.
522     UnicodeSet bpt_open("[:bpt=o:]", errorCode);
523     UnicodeSet bpt_close("[:bpt=c:]", errorCode);
524     UnicodeSet ps("[:Ps:]", errorCode);
525     UnicodeSet pe("[:Pe:]", errorCode);
526     assertTrue("bpt=Open is a subset of Ps", ps.containsAll(bpt_open));
527     assertTrue("bpt=Close is a subset of Pe", pe.containsAll(bpt_close));
528 }
529 
TestEmojiProperties()530 void UnicodeTest::TestEmojiProperties() {
531     assertFalse("space is not Emoji", u_hasBinaryProperty(0x20, UCHAR_EMOJI));
532     assertTrue("shooting star is Emoji", u_hasBinaryProperty(0x1F320, UCHAR_EMOJI));
533     IcuTestErrorCode errorCode(*this, "TestEmojiProperties()");
534     UnicodeSet emoji("[:Emoji:]", errorCode);
535     assertTrue("lots of Emoji", emoji.size() > 700);
536 
537     assertTrue("shooting star is Emoji_Presentation",
538                u_hasBinaryProperty(0x1F320, UCHAR_EMOJI_PRESENTATION));
539     assertTrue("Fitzpatrick 6 is Emoji_Modifier",
540                u_hasBinaryProperty(0x1F3FF, UCHAR_EMOJI_MODIFIER));
541     assertTrue("happy person is Emoji_Modifier_Base",
542                u_hasBinaryProperty(0x1F64B, UCHAR_EMOJI_MODIFIER_BASE));
543     assertTrue("asterisk is Emoji_Component",
544                u_hasBinaryProperty(0x2A, UCHAR_EMOJI_COMPONENT));
545     assertTrue("copyright is Extended_Pictographic",
546                u_hasBinaryProperty(0xA9, UCHAR_EXTENDED_PICTOGRAPHIC));
547 }
548 
549 namespace {
550 
hbp(const UChar * s,int32_t length,UProperty which)551 UBool hbp(const UChar *s, int32_t length, UProperty which) {
552     return u_stringHasBinaryProperty(s, length, which);
553 }
554 
hbp(const UChar * s,UProperty which)555 UBool hbp(const UChar *s, UProperty which) {
556     return u_stringHasBinaryProperty(s, -1, which);
557 }
558 
559 }  // namespace
560 
TestEmojiPropertiesOfStrings()561 void UnicodeTest::TestEmojiPropertiesOfStrings() {
562     // Property of code points, for coverage
563     assertFalse("null is not Ideographic", hbp(nullptr, 1, UCHAR_IDEOGRAPHIC));
564     assertFalse("null/0 is not Ideographic", hbp(nullptr, -1, UCHAR_IDEOGRAPHIC));
565     assertFalse("empty string is not Ideographic", hbp(u"", 0, UCHAR_IDEOGRAPHIC));
566     assertFalse("empty string/0 is not Ideographic", hbp(u"", -1, UCHAR_IDEOGRAPHIC));
567     assertFalse("L is not Ideographic", hbp(u"L", 1, UCHAR_IDEOGRAPHIC));
568     assertFalse("L/0 is not Ideographic", hbp(u"L", -1, UCHAR_IDEOGRAPHIC));
569     assertTrue("U+4E02 is Ideographic", hbp(u"丂", 1, UCHAR_IDEOGRAPHIC));
570     assertTrue("U+4E02/0 is Ideographic", hbp(u"丂", -1, UCHAR_IDEOGRAPHIC));
571     assertFalse("2*U+4E02 is not Ideographic", hbp(u"丂丂", 2, UCHAR_IDEOGRAPHIC));
572     assertFalse("2*U+4E02/0 is not Ideographic", hbp(u"丂丂", -1, UCHAR_IDEOGRAPHIC));
573     assertFalse("bicycle is not Ideographic", hbp(u"��", 2, UCHAR_IDEOGRAPHIC));
574     assertFalse("bicycle/0 is not Ideographic", hbp(u"��", -1, UCHAR_IDEOGRAPHIC));
575     assertTrue("U+23456 is Ideographic", hbp(u"\U00023456", 2, UCHAR_IDEOGRAPHIC));
576     assertTrue("U+23456/0 is Ideographic", hbp(u"\U00023456", -1, UCHAR_IDEOGRAPHIC));
577 
578     // Property of (code points and) strings
579     assertFalse("null is not Basic_Emoji", hbp(nullptr, 1, UCHAR_BASIC_EMOJI));
580     assertFalse("null/0 is not Basic_Emoji", hbp(nullptr, -1, UCHAR_BASIC_EMOJI));
581     assertFalse("empty string is not Basic_Emoji", hbp(u"", 0, UCHAR_BASIC_EMOJI));
582     assertFalse("empty string/0 is not Basic_Emoji", hbp(u"", -1, UCHAR_BASIC_EMOJI));
583     assertFalse("L is not Basic_Emoji", hbp(u"L", 1, UCHAR_BASIC_EMOJI));
584     assertFalse("L/0 is not Basic_Emoji", hbp(u"L", -1, UCHAR_BASIC_EMOJI));
585     assertFalse("U+4E02 is not Basic_Emoji", hbp(u"丂", 1, UCHAR_BASIC_EMOJI));
586     assertFalse("U+4E02/0 is not Basic_Emoji", hbp(u"丂", -1, UCHAR_BASIC_EMOJI));
587     assertTrue("bicycle is Basic_Emoji", hbp(u"��", 2, UCHAR_BASIC_EMOJI));
588     assertTrue("bicycle/0 is Basic_Emoji", hbp(u"��", -1, UCHAR_BASIC_EMOJI));
589     assertFalse("2*bicycle is Basic_Emoji", hbp(u"����", 4, UCHAR_BASIC_EMOJI));
590     assertFalse("2*bicycle/0 is Basic_Emoji", hbp(u"����", -1, UCHAR_BASIC_EMOJI));
591     assertFalse("U+23456 is not Basic_Emoji", hbp(u"\U00023456", 2, UCHAR_BASIC_EMOJI));
592     assertFalse("U+23456/0 is not Basic_Emoji", hbp(u"\U00023456", -1, UCHAR_BASIC_EMOJI));
593 
594     assertFalse("stopwatch is not Basic_Emoji", hbp(u"⏱", 1, UCHAR_BASIC_EMOJI));
595     assertFalse("stopwatch/0 is not Basic_Emoji", hbp(u"⏱", -1, UCHAR_BASIC_EMOJI));
596     assertTrue("stopwatch+emoji is Basic_Emoji", hbp(u"⏱\uFE0F", 2, UCHAR_BASIC_EMOJI));
597     assertTrue("stopwatch+emoji/0 is Basic_Emoji", hbp(u"⏱\uFE0F", -1, UCHAR_BASIC_EMOJI));
598 
599     assertFalse("chipmunk is not Basic_Emoji", hbp(u"��", UCHAR_BASIC_EMOJI));
600     assertTrue("chipmunk+emoji is Basic_Emoji", hbp(u"��\uFE0F", UCHAR_BASIC_EMOJI));
601     assertFalse("chipmunk+2*emoji is not Basic_Emoji", hbp(u"��\uFE0F\uFE0F", UCHAR_BASIC_EMOJI));
602 
603     // Properties of strings (only)
604     assertFalse("4+emoji is not Emoji_Keycap_Sequence",
605                 hbp(u"4\uFE0F", UCHAR_EMOJI_KEYCAP_SEQUENCE));
606     assertTrue("4+emoji+keycap is Emoji_Keycap_Sequence",
607                hbp(u"4\uFE0F\u20E3", UCHAR_EMOJI_KEYCAP_SEQUENCE));
608 
609     assertFalse("[B] is not RGI_Emoji_Flag_Sequence",
610                 hbp(u"\U0001F1E7", UCHAR_RGI_EMOJI_FLAG_SEQUENCE));
611     assertTrue("[BE] is RGI_Emoji_Flag_Sequence",
612                hbp(u"����", UCHAR_RGI_EMOJI_FLAG_SEQUENCE));
613 
614     assertFalse("[flag] is not RGI_Emoji_Tag_Sequence",
615                 hbp(u"\U0001F3F4", UCHAR_RGI_EMOJI_TAG_SEQUENCE));
616     assertTrue("[Scotland] is RGI_Emoji_Tag_Sequence",
617                hbp(u"��������������", UCHAR_RGI_EMOJI_TAG_SEQUENCE));
618 
619     assertFalse("bicyclist is not RGI_Emoji_Modifier_Sequence",
620                 hbp(u"��", UCHAR_RGI_EMOJI_MODIFIER_SEQUENCE));
621     assertTrue("bicyclist+medium is RGI_Emoji_Modifier_Sequence",
622                hbp(u"��\U0001F3FD", UCHAR_RGI_EMOJI_MODIFIER_SEQUENCE));
623 
624     assertFalse("woman+dark+ZWJ is not RGI_Emoji_ZWJ_Sequence",
625                 hbp(u"��\U0001F3FF\u200D", UCHAR_RGI_EMOJI_ZWJ_SEQUENCE));
626     assertTrue("woman pilot: dark skin tone is RGI_Emoji_ZWJ_Sequence",
627                hbp(u"��\U0001F3FF\u200D✈\uFE0F", UCHAR_RGI_EMOJI_ZWJ_SEQUENCE));
628 
629     // RGI_Emoji = all of the above
630     assertFalse("stopwatch is not RGI_Emoji", hbp(u"⏱", UCHAR_RGI_EMOJI));
631     assertTrue("stopwatch+emoji is RGI_Emoji", hbp(u"⏱\uFE0F", UCHAR_RGI_EMOJI));
632 
633     assertFalse("chipmunk is not RGI_Emoji", hbp(u"��", UCHAR_RGI_EMOJI));
634     assertTrue("chipmunk+emoji is RGI_Emoji", hbp(u"��\uFE0F", UCHAR_RGI_EMOJI));
635 
636     assertFalse("4+emoji is not RGI_Emoji", hbp(u"4\uFE0F", UCHAR_RGI_EMOJI));
637     assertTrue("4+emoji+keycap is RGI_Emoji", hbp(u"4\uFE0F\u20E3", UCHAR_RGI_EMOJI));
638 
639     assertFalse("[B] is not RGI_Emoji", hbp(u"\U0001F1E7", UCHAR_RGI_EMOJI));
640     assertTrue("[BE] is RGI_Emoji", hbp(u"����", UCHAR_RGI_EMOJI));
641 
642     assertTrue("[flag] is RGI_Emoji", hbp(u"\U0001F3F4", UCHAR_RGI_EMOJI));
643     assertTrue("[Scotland] is RGI_Emoji", hbp(u"��������������", UCHAR_RGI_EMOJI));
644 
645     assertTrue("bicyclist is RGI_Emoji", hbp(u"��", UCHAR_RGI_EMOJI));
646     assertTrue("bicyclist+medium is RGI_Emoji", hbp(u"��\U0001F3FD", UCHAR_RGI_EMOJI));
647 
648     assertFalse("woman+dark+ZWJ is not RGI_Emoji", hbp(u"��\U0001F3FF\u200D", UCHAR_RGI_EMOJI));
649     assertTrue("woman pilot: dark skin tone is RGI_Emoji",
650                hbp(u"��\U0001F3FF\u200D✈\uFE0F", UCHAR_RGI_EMOJI));
651 
652     // UnicodeSet with properties of strings
653     IcuTestErrorCode errorCode(*this, "TestEmojiPropertiesOfStrings()");
654     UnicodeSet basic("[:Basic_Emoji:]", errorCode);
655     UnicodeSet keycaps("[:Emoji_Keycap_Sequence:]", errorCode);
656     UnicodeSet modified("[:RGI_Emoji_Modifier_Sequence:]", errorCode);
657     UnicodeSet flags("[:RGI_Emoji_Flag_Sequence:]", errorCode);
658     UnicodeSet tags("[:RGI_Emoji_Tag_Sequence:]", errorCode);
659     UnicodeSet combos("[:RGI_Emoji_ZWJ_Sequence:]", errorCode);
660     UnicodeSet rgi("[:RGI_Emoji:]", errorCode);
661     if (errorCode.errDataIfFailureAndReset("UnicodeSets")) {
662         return;
663     }
664 
665     // union of all sets except for "rgi" -- should be the same as "rgi"
666     UnicodeSet all(basic);
667     all.addAll(keycaps).addAll(modified).addAll(flags).addAll(tags).addAll(combos);
668 
669     UnicodeSet basicOnlyCp(basic);
670     basicOnlyCp.removeAllStrings();
671 
672     UnicodeSet rgiOnlyCp(rgi);
673     rgiOnlyCp.removeAllStrings();
674 
675     assertTrue("lots of Basic_Emoji", basic.size() > 1000);
676     assertEquals("12 Emoji_Keycap_Sequence", 12, keycaps.size());
677     assertTrue("lots of RGI_Emoji_Modifier_Sequence", modified.size() > 600);
678     assertTrue("lots of RGI_Emoji_Flag_Sequence", flags.size() > 250);
679     assertTrue("some RGI_Emoji_Tag_Sequence", tags.size() >= 3);
680     assertTrue("lots of RGI_Emoji_ZWJ_Sequence", combos.size() > 1300);
681     assertTrue("lots of RGI_Emoji", rgi.size() > 3000);
682 
683     assertTrue("lots of Basic_Emoji code points", basicOnlyCp.size() > 1000);
684     assertTrue("Basic_Emoji.hasStrings()", basic.hasStrings());
685     assertEquals("no Emoji_Keycap_Sequence code points", 0, keycaps.getRangeCount());
686     assertEquals("lots of RGI_Emoji_Modifier_Sequence", 0, modified.getRangeCount());
687     assertEquals("lots of RGI_Emoji_Flag_Sequence", 0, flags.getRangeCount());
688     assertEquals("some RGI_Emoji_Tag_Sequence", 0, tags.getRangeCount());
689     assertEquals("lots of RGI_Emoji_ZWJ_Sequence", 0, combos.getRangeCount());
690 
691     assertTrue("lots of RGI_Emoji code points", rgiOnlyCp.size() > 1000);
692     assertTrue("RGI_Emoji.hasStrings()", rgi.hasStrings());
693     assertEquals("RGI_Emoji/only-cp.size() == Basic_Emoji/only-cp.size()",
694                  rgiOnlyCp.size(), basicOnlyCp.size());
695     assertTrue("RGI_Emoji/only-cp == Basic_Emoji/only-cp", rgiOnlyCp == basicOnlyCp);
696     assertEquals("RGI_Emoji.size() == union.size()", rgi.size(), all.size());
697     assertTrue("RGI_Emoji == union", rgi == all);
698 
699     assertTrue("Basic_Emoji.contains(stopwatch+emoji)", basic.contains(u"⏱\uFE0F"));
700     assertTrue("Basic_Emoji.contains(chipmunk+emoji)", basic.contains(u"��\uFE0F"));
701     assertTrue("Emoji_Keycap_Sequence.contains(4+emoji+keycap)",
702                keycaps.contains(u"4\uFE0F\u20E3"));
703     assertTrue("RGI_Emoji_Flag_Sequence.contains([BE])", flags.contains(u"����"));
704     assertTrue("RGI_Emoji_Tag_Sequence.contains([Scotland])", tags.contains(u"��������������"));
705     assertTrue("RGI_Emoji_Modifier_Sequence.contains(bicyclist+medium)",
706                modified.contains(u"��\U0001F3FD"));
707     assertTrue("RGI_Emoji_ZWJ_Sequence.contains(woman pilot: dark skin tone)",
708                combos.contains(u"��\U0001F3FF\u200D✈\uFE0F"));
709     assertTrue("RGI_Emoji.contains(stopwatch+emoji)", rgi.contains(u"⏱\uFE0F"));
710     assertTrue("RGI_Emoji.contains(chipmunk+emoji)", rgi.contains(u"��\uFE0F"));
711     assertTrue("RGI_Emoji.contains(4+emoji+keycap)", rgi.contains(u"4\uFE0F\u20E3"));
712     assertTrue("RGI_Emoji.contains([BE] is RGI_Emoji)", rgi.contains(u"����"));
713     assertTrue("RGI_Emoji.contains([flag])", rgi.contains(u"\U0001F3F4"));
714     assertTrue("RGI_Emoji.contains([Scotland])", rgi.contains(u"��������������"));
715     assertTrue("RGI_Emoji.contains(bicyclist)", rgi.contains(u"��"));
716     assertTrue("RGI_Emoji.contains(bicyclist+medium)", rgi.contains(u"��\U0001F3FD"));
717     assertTrue("RGI_Emoji.contains(woman pilot: dark skin tone)", rgi.contains(u"��\U0001F3FF\u200D✈\uFE0F"));
718 }
719 
TestIndicPositionalCategory()720 void UnicodeTest::TestIndicPositionalCategory() {
721     IcuTestErrorCode errorCode(*this, "TestIndicPositionalCategory()");
722     UnicodeSet na(u"[:InPC=NA:]", errorCode);
723     assertTrue("mostly NA", 1000000 <= na.size() && na.size() <= UCHAR_MAX_VALUE - 500);
724     UnicodeSet vol(u"[:InPC=Visual_Order_Left:]", errorCode);
725     assertTrue("some Visual_Order_Left", 19 <= vol.size() && vol.size() <= 100);
726     assertEquals("U+08FF: NA", U_INPC_NA,
727                  u_getIntPropertyValue(0x08FF, UCHAR_INDIC_POSITIONAL_CATEGORY));
728     assertEquals("U+0900: Top", U_INPC_TOP,
729                  u_getIntPropertyValue(0x0900, UCHAR_INDIC_POSITIONAL_CATEGORY));
730     assertEquals("U+10A06: Overstruck", U_INPC_OVERSTRUCK,
731                  u_getIntPropertyValue(0x10A06, UCHAR_INDIC_POSITIONAL_CATEGORY));
732 }
733 
TestIndicSyllabicCategory()734 void UnicodeTest::TestIndicSyllabicCategory() {
735     IcuTestErrorCode errorCode(*this, "TestIndicSyllabicCategory()");
736     UnicodeSet other(u"[:InSC=Other:]", errorCode);
737     assertTrue("mostly Other", 1000000 <= other.size() && other.size() <= UCHAR_MAX_VALUE - 500);
738     UnicodeSet ava(u"[:InSC=Avagraha:]", errorCode);
739     assertTrue("some Avagraha", 16 <= ava.size() && ava.size() <= 100);
740     assertEquals("U+08FF: Other", U_INSC_OTHER,
741                  u_getIntPropertyValue(0x08FF, UCHAR_INDIC_SYLLABIC_CATEGORY));
742     assertEquals("U+0900: Bindu", U_INSC_BINDU,
743                  u_getIntPropertyValue(0x0900, UCHAR_INDIC_SYLLABIC_CATEGORY));
744     assertEquals("U+11065: Brahmi_Joining_Number", U_INSC_BRAHMI_JOINING_NUMBER,
745                  u_getIntPropertyValue(0x11065, UCHAR_INDIC_SYLLABIC_CATEGORY));
746 }
747 
TestVerticalOrientation()748 void UnicodeTest::TestVerticalOrientation() {
749     IcuTestErrorCode errorCode(*this, "TestVerticalOrientation()");
750     UnicodeSet r(u"[:vo=R:]", errorCode);
751     assertTrue("mostly R", 0xc0000 <= r.size() && r.size() <= 0xd0000);
752     UnicodeSet u(u"[:vo=U:]", errorCode);
753     assertTrue("much U", 0x40000 <= u.size() && u.size() <= 0x50000);
754     UnicodeSet tu(u"[:vo=Tu:]", errorCode);
755     assertTrue("some Tu", 147 <= tu.size() && tu.size() <= 300);
756     assertEquals("U+0E01: Rotated", U_VO_ROTATED,
757                  u_getIntPropertyValue(0x0E01, UCHAR_VERTICAL_ORIENTATION));
758     assertEquals("U+3008: Transformed_Rotated", U_VO_TRANSFORMED_ROTATED,
759                  u_getIntPropertyValue(0x3008, UCHAR_VERTICAL_ORIENTATION));
760     assertEquals("U+33333: Upright", U_VO_UPRIGHT,
761                  u_getIntPropertyValue(0x33333, UCHAR_VERTICAL_ORIENTATION));
762 }
763 
TestDefaultScriptExtensions()764 void UnicodeTest::TestDefaultScriptExtensions() {
765     // Block 3000..303F CJK Symbols and Punctuation defaults to scx=Bopo Hang Hani Hira Kana Yiii
766     // but some of its characters revert to scx=<script> which is usually Common.
767     IcuTestErrorCode errorCode(*this, "TestDefaultScriptExtensions()");
768     UScriptCode scx[20];
769     scx[0] = USCRIPT_INVALID_CODE;
770     assertEquals("U+3000 num scx", 1,  // IDEOGRAPHIC SPACE
771                  uscript_getScriptExtensions(0x3000, scx, UPRV_LENGTHOF(scx), errorCode));
772     assertEquals("U+3000 num scx[0]", USCRIPT_COMMON, scx[0]);
773     scx[0] = USCRIPT_INVALID_CODE;
774     assertEquals("U+3012 num scx", 1,  // POSTAL MARK
775                  uscript_getScriptExtensions(0x3012, scx, UPRV_LENGTHOF(scx), errorCode));
776     assertEquals("U+3012 num scx[0]", USCRIPT_COMMON, scx[0]);
777 }
778 
TestInvalidCodePointFolding(void)779 void UnicodeTest::TestInvalidCodePointFolding(void) {
780     // Test behavior when an invalid code point is passed to u_foldCase
781     static const UChar32 invalidCodePoints[] = {
782             0xD800, // lead surrogate
783             0xDFFF, // trail surrogate
784             0xFDD0, // noncharacter
785             0xFFFF, // noncharacter
786             0x110000, // out of range
787             -1 // negative
788     };
789     for (int32_t i=0; i<UPRV_LENGTHOF(invalidCodePoints); ++i) {
790         UChar32 cp = invalidCodePoints[i];
791         assertEquals("Invalid code points should be echoed back",
792                 cp, u_foldCase(cp, U_FOLD_CASE_DEFAULT));
793         assertEquals("Invalid code points should be echoed back",
794                 cp, u_foldCase(cp, U_FOLD_CASE_EXCLUDE_SPECIAL_I));
795     }
796 }
797 
TestBinaryCharacterProperties()798 void UnicodeTest::TestBinaryCharacterProperties() {
799 #if !UCONFIG_NO_NORMALIZATION
800     IcuTestErrorCode errorCode(*this, "TestBinaryCharacterProperties()");
801     // Spot-check getBinaryPropertySet() vs. hasBinaryProperty().
802     for (int32_t prop = 0; prop < UCHAR_BINARY_LIMIT; ++prop) {
803         const USet *uset = u_getBinaryPropertySet((UProperty)prop, errorCode);
804         if (errorCode.errIfFailureAndReset("u_getBinaryPropertySet(%d)", (int)prop)) {
805             continue;
806         }
807         const UnicodeSet &set = *UnicodeSet::fromUSet(uset);
808         int32_t count = set.getRangeCount();
809         if (count == 0) {
810             assertFalse(UnicodeString("!hasBinaryProperty(U+0020, ") + prop + u")",
811                 u_hasBinaryProperty(0x20, (UProperty)prop));
812             assertFalse(UnicodeString("!hasBinaryProperty(U+0061, ") + prop + u")",
813                 u_hasBinaryProperty(0x61, (UProperty)prop));
814             assertFalse(UnicodeString("!hasBinaryProperty(U+4E00, ") + prop + u")",
815                 u_hasBinaryProperty(0x4e00, (UProperty)prop));
816         } else {
817             UChar32 c = set.getRangeStart(0);
818             if (c > 0) {
819                 assertFalse(
820                     UnicodeString("!hasBinaryProperty(") + TestUtility::hex(c - 1) +
821                         u", " + prop + u")",
822                     u_hasBinaryProperty(c - 1, (UProperty)prop));
823             }
824             assertTrue(
825                 UnicodeString("hasBinaryProperty(") + TestUtility::hex(c) +
826                     u", " + prop + u")",
827                 u_hasBinaryProperty(c, (UProperty)prop));
828             c = set.getRangeEnd(count - 1);
829             assertTrue(
830                 UnicodeString("hasBinaryProperty(") + TestUtility::hex(c) +
831                     u", " + prop + u")",
832                 u_hasBinaryProperty(c, (UProperty)prop));
833             if (c < 0x10ffff) {
834                 assertFalse(
835                     UnicodeString("!hasBinaryProperty(") + TestUtility::hex(c + 1) +
836                         u", " + prop + u")",
837                     u_hasBinaryProperty(c + 1, (UProperty)prop));
838             }
839         }
840     }
841 #endif
842 }
843 
TestIntCharacterProperties()844 void UnicodeTest::TestIntCharacterProperties() {
845 #if !UCONFIG_NO_NORMALIZATION
846     IcuTestErrorCode errorCode(*this, "TestIntCharacterProperties()");
847     // Spot-check getIntPropertyMap() vs. getIntPropertyValue().
848     for (int32_t prop = UCHAR_INT_START; prop < UCHAR_INT_LIMIT; ++prop) {
849         const UCPMap *map = u_getIntPropertyMap((UProperty)prop, errorCode);
850         if (errorCode.errIfFailureAndReset("u_getIntPropertyMap(%d)", (int)prop)) {
851             continue;
852         }
853         uint32_t value;
854         UChar32 end = ucpmap_getRange(map, 0, UCPMAP_RANGE_NORMAL, 0, nullptr, nullptr, &value);
855         assertTrue("int property first range", end >= 0);
856         UChar32 c = end / 2;
857         assertEquals(UnicodeString("int property first range value at ") + TestUtility::hex(c),
858             u_getIntPropertyValue(c, (UProperty)prop), value);
859         end = ucpmap_getRange(map, 0x5000, UCPMAP_RANGE_NORMAL, 0, nullptr, nullptr, &value);
860         assertTrue("int property later range", end >= 0);
861         assertEquals(UnicodeString("int property later range value at ") + TestUtility::hex(end),
862             u_getIntPropertyValue(end, (UProperty)prop), value);
863         // ucpmap_get() API coverage
864         // TODO: move to cucdtst.c
865         assertEquals(
866             "int property upcmap_get(U+0061)",
867             u_getIntPropertyValue(0x61, (UProperty)prop), ucpmap_get(map, 0x61));
868     }
869 #endif
870 }
871