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1 /*
2 *******************************************************************************
3 *   Copyright (C) 2010, International Business Machines
4 *   Corporation and others.  All Rights Reserved.
5 *******************************************************************************
6 *   file name:  uts46test.cpp
7 *   encoding:   US-ASCII
8 *   tab size:   8 (not used)
9 *   indentation:4
10 *
11 *   created on: 2010may05
12 *   created by: Markus W. Scherer
13 */
14 
15 #include "unicode/utypes.h"
16 
17 #if !UCONFIG_NO_IDNA
18 
19 #include <string.h>
20 #include "unicode/bytestream.h"
21 #include "unicode/idna.h"
22 #include "unicode/localpointer.h"
23 #include "unicode/std_string.h"
24 #include "unicode/stringpiece.h"
25 #include "unicode/uidna.h"
26 #include "unicode/unistr.h"
27 #include "intltest.h"
28 
29 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
30 
31 class UTS46Test : public IntlTest {
32 public:
UTS46Test()33     UTS46Test() : trans(NULL), nontrans(NULL) {}
34     virtual ~UTS46Test();
35 
36     void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=NULL);
37     void TestAPI();
38     void TestNotSTD3();
39     void TestSomeCases();
40 private:
41     IDNA *trans, *nontrans;
42 };
43 
createUTS46Test()44 extern IntlTest *createUTS46Test() {
45     return new UTS46Test();
46 }
47 
~UTS46Test()48 UTS46Test::~UTS46Test() {
49     delete trans;
50     delete nontrans;
51 }
52 
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)53 void UTS46Test::runIndexedTest(int32_t index, UBool exec, const char *&name, char * /*par*/) {
54     if(exec) {
55         logln("TestSuite UTS46Test: ");
56         if(trans==NULL) {
57             IcuTestErrorCode errorCode(*this, "init/createUTS46Instance()");
58             trans=IDNA::createUTS46Instance(
59                 UIDNA_USE_STD3_RULES|UIDNA_CHECK_BIDI|UIDNA_CHECK_CONTEXTJ,
60                 errorCode);
61             nontrans=IDNA::createUTS46Instance(
62                 UIDNA_USE_STD3_RULES|UIDNA_CHECK_BIDI|UIDNA_CHECK_CONTEXTJ|
63                 UIDNA_NONTRANSITIONAL_TO_ASCII|UIDNA_NONTRANSITIONAL_TO_UNICODE,
64                 errorCode);
65             if(errorCode.logDataIfFailureAndReset("createUTS46Instance()")) {
66                 name="";
67                 return;
68             }
69         }
70     }
71     TESTCASE_AUTO_BEGIN;
72     TESTCASE_AUTO(TestAPI);
73     TESTCASE_AUTO(TestNotSTD3);
74     TESTCASE_AUTO(TestSomeCases);
75     TESTCASE_AUTO_END;
76 }
77 
78 const uint32_t severeErrors=
79     UIDNA_ERROR_LEADING_COMBINING_MARK|
80     UIDNA_ERROR_DISALLOWED|
81     UIDNA_ERROR_PUNYCODE|
82     UIDNA_ERROR_LABEL_HAS_DOT|
83     UIDNA_ERROR_INVALID_ACE_LABEL;
84 
isASCII(const UnicodeString & str)85 static UBool isASCII(const UnicodeString &str) {
86     const UChar *s=str.getBuffer();
87     int32_t length=str.length();
88     for(int32_t i=0; i<length; ++i) {
89         if(s[i]>=0x80) {
90             return FALSE;
91         }
92     }
93     return TRUE;
94 }
95 
96 class TestCheckedArrayByteSink : public CheckedArrayByteSink {
97 public:
TestCheckedArrayByteSink(char * outbuf,int32_t capacity)98     TestCheckedArrayByteSink(char* outbuf, int32_t capacity)
99             : CheckedArrayByteSink(outbuf, capacity), calledFlush(FALSE) {}
Reset()100     virtual CheckedArrayByteSink& Reset() {
101         CheckedArrayByteSink::Reset();
102         calledFlush = FALSE;
103         return *this;
104     }
Flush()105     virtual void Flush() { calledFlush = TRUE; }
106     UBool calledFlush;
107 };
108 
TestAPI()109 void UTS46Test::TestAPI() {
110     UErrorCode errorCode=U_ZERO_ERROR;
111     UnicodeString result;
112     IDNAInfo info;
113     UnicodeString input=UNICODE_STRING_SIMPLE("www.eXample.cOm");
114     UnicodeString expected=UNICODE_STRING_SIMPLE("www.example.com");
115     trans->nameToASCII(input, result, info, errorCode);
116     if(U_FAILURE(errorCode) || info.hasErrors() || result!=expected) {
117         errln("T.nameToASCII(www.example.com) info.errors=%04lx result matches=%d %s",
118               (long)info.getErrors(), result==expected, u_errorName(errorCode));
119     }
120     errorCode=U_USELESS_COLLATOR_ERROR;
121     trans->nameToUnicode(input, result, info, errorCode);
122     if(errorCode!=U_USELESS_COLLATOR_ERROR || !result.isBogus()) {
123         errln("T.nameToUnicode(U_FAILURE) did not preserve the errorCode "
124               "or not result.setToBogus() - %s",
125               u_errorName(errorCode));
126     }
127     errorCode=U_ZERO_ERROR;
128     input.setToBogus();
129     result=UNICODE_STRING_SIMPLE("quatsch");
130     nontrans->labelToASCII(input, result, info, errorCode);
131     if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR || !result.isBogus()) {
132         errln("N.labelToASCII(bogus) did not set illegal-argument-error "
133               "or not result.setToBogus() - %s",
134               u_errorName(errorCode));
135     }
136     errorCode=U_ZERO_ERROR;
137     input=UNICODE_STRING_SIMPLE("xn--bcher.de-65a");
138     expected=UNICODE_STRING_SIMPLE("xn--bcher\\uFFFDde-65a").unescape();
139     nontrans->labelToASCII(input, result, info, errorCode);
140     if( U_FAILURE(errorCode) ||
141         info.getErrors()!=(UIDNA_ERROR_LABEL_HAS_DOT|UIDNA_ERROR_INVALID_ACE_LABEL) ||
142         result!=expected
143     ) {
144         errln("N.labelToASCII(label-with-dot) failed with errors %04lx - %s",
145               info.getErrors(), u_errorName(errorCode));
146     }
147     // UTF-8
148     char buffer[100];
149     TestCheckedArrayByteSink sink(buffer, LENGTHOF(buffer));
150     errorCode=U_ZERO_ERROR;
151     nontrans->labelToUnicodeUTF8(StringPiece(NULL, 5), sink, info, errorCode);
152     if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR || sink.NumberOfBytesWritten()!=0) {
153         errln("N.labelToUnicodeUTF8(StringPiece(NULL, 5)) did not set illegal-argument-error ",
154               "or did output something - %s",
155               u_errorName(errorCode));
156     }
157 
158     sink.Reset();
159     errorCode=U_ZERO_ERROR;
160     nontrans->nameToASCII_UTF8(StringPiece(), sink, info, errorCode);
161     if(U_FAILURE(errorCode) || sink.NumberOfBytesWritten()!=0 || !sink.calledFlush) {
162         errln("N.nameToASCII_UTF8(empty) failed - %s",
163               u_errorName(errorCode));
164     }
165 
166     static const char s[]={ 0x61, (char)0xc3, (char)0x9f };
167     sink.Reset();
168     errorCode=U_USELESS_COLLATOR_ERROR;
169     nontrans->nameToUnicodeUTF8(StringPiece(s, 3), sink, info, errorCode);
170     if(errorCode!=U_USELESS_COLLATOR_ERROR || sink.NumberOfBytesWritten()!=0) {
171         errln("N.nameToUnicode_UTF8(U_FAILURE) did not preserve the errorCode "
172               "or did output something - %s",
173               u_errorName(errorCode));
174     }
175 
176     sink.Reset();
177     errorCode=U_ZERO_ERROR;
178     trans->labelToUnicodeUTF8(StringPiece(s, 3), sink, info, errorCode);
179     if( U_FAILURE(errorCode) || sink.NumberOfBytesWritten()!=3 ||
180         buffer[0]!=0x61 || buffer[1]!=0x73 || buffer[2]!=0x73 ||
181         !sink.calledFlush
182     ) {
183         errln("T.labelToUnicodeUTF8(a sharp-s) failed - %s",
184               u_errorName(errorCode));
185     }
186 
187     sink.Reset();
188     errorCode=U_ZERO_ERROR;
189     // "eXampLe.cOm"
190     static const char eX[]={ 0x65, 0x58, 0x61, 0x6d, 0x70, 0x4c, 0x65, 0x2e, 0x63, 0x4f, 0x6d, 0 };
191     // "example.com"
192     static const char ex[]={ 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d };
193     trans->nameToUnicodeUTF8(eX, sink, info, errorCode);
194     if( U_FAILURE(errorCode) || sink.NumberOfBytesWritten()!=11 ||
195         0!=memcmp(ex, buffer, 11) || !sink.calledFlush
196     ) {
197         errln("T.nameToUnicodeUTF8(eXampLe.cOm) failed - %s",
198               u_errorName(errorCode));
199     }
200 }
201 
TestNotSTD3()202 void UTS46Test::TestNotSTD3() {
203     IcuTestErrorCode errorCode(*this, "TestNotSTD3()");
204     char buffer[400];
205     LocalPointer<IDNA> not3(IDNA::createUTS46Instance(UIDNA_CHECK_BIDI, errorCode));
206     if(errorCode.isFailure()) {
207         return;
208     }
209     UnicodeString input=UNICODE_STRING_SIMPLE("\\u0000A_2+2=4\\u000A.e\\u00DFen.net").unescape();
210     UnicodeString result;
211     IDNAInfo info;
212     if( not3->nameToUnicode(input, result, info, errorCode)!=
213             UNICODE_STRING_SIMPLE("\\u0000a_2+2=4\\u000A.essen.net").unescape() ||
214         info.hasErrors()
215     ) {
216         prettify(result).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
217         errln("notSTD3.nameToUnicode(non-LDH ASCII) unexpected errors %04lx string %s",
218               (long)info.getErrors(), buffer);
219     }
220     // A space (BiDi class WS) is not allowed in a BiDi domain name.
221     input=UNICODE_STRING_SIMPLE("a z.xn--4db.edu");
222     not3->nameToASCII(input, result, info, errorCode);
223     if(result!=input || info.getErrors()!=UIDNA_ERROR_BIDI) {
224         errln("notSTD3.nameToASCII(ASCII-with-space.alef.edu) failed");
225     }
226     // Characters that are canonically equivalent to sequences with non-LDH ASCII.
227     input=UNICODE_STRING_SIMPLE("a\\u2260b\\u226Ec\\u226Fd").unescape();
228     not3->nameToUnicode(input, result, info, errorCode);
229     if(result!=input || info.hasErrors()) {
230         prettify(result).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
231         errln("notSTD3.nameToUnicode(equiv to non-LDH ASCII) unexpected errors %04lx string %s",
232               (long)info.getErrors(), buffer);
233     }
234 }
235 
236 struct TestCase {
237     // Input string and options string (Nontransitional/Transitional/Both).
238     const char *s, *o;
239     // Expected Unicode result string.
240     const char *u;
241     uint32_t errors;
242 };
243 
244 static const TestCase testCases[]={
245     { "www.eXample.cOm", "B",  // all ASCII
246       "www.example.com", 0 },
247     { "B\\u00FCcher.de", "B",  // u-umlaut
248       "b\\u00FCcher.de", 0 },
249     { "\\u00D6BB", "B",  // O-umlaut
250       "\\u00F6bb", 0 },
251     { "fa\\u00DF.de", "N",  // sharp s
252       "fa\\u00DF.de", 0 },
253     { "fa\\u00DF.de", "T",  // sharp s
254       "fass.de", 0 },
255     { "XN--fA-hia.dE", "B",  // sharp s in Punycode
256       "fa\\u00DF.de", 0 },
257     { "\\u03B2\\u03CC\\u03BB\\u03BF\\u03C2.com", "N",  // Greek with final sigma
258       "\\u03B2\\u03CC\\u03BB\\u03BF\\u03C2.com", 0 },
259     { "\\u03B2\\u03CC\\u03BB\\u03BF\\u03C2.com", "T",  // Greek with final sigma
260       "\\u03B2\\u03CC\\u03BB\\u03BF\\u03C3.com", 0 },
261     { "xn--nxasmm1c", "B",  // Greek with final sigma in Punycode
262       "\\u03B2\\u03CC\\u03BB\\u03BF\\u03C2", 0 },
263     { "www.\\u0DC1\\u0DCA\\u200D\\u0DBB\\u0DD3.com", "N",  // "Sri" in "Sri Lanka" has a ZWJ
264       "www.\\u0DC1\\u0DCA\\u200D\\u0DBB\\u0DD3.com", 0 },
265     { "www.\\u0DC1\\u0DCA\\u200D\\u0DBB\\u0DD3.com", "T",  // "Sri" in "Sri Lanka" has a ZWJ
266       "www.\\u0DC1\\u0DCA\\u0DBB\\u0DD3.com", 0 },
267     { "www.xn--10cl1a0b660p.com", "B",  // "Sri" in Punycode
268       "www.\\u0DC1\\u0DCA\\u200D\\u0DBB\\u0DD3.com", 0 },
269     { "\\u0646\\u0627\\u0645\\u0647\\u200C\\u0627\\u06CC", "N",  // ZWNJ
270       "\\u0646\\u0627\\u0645\\u0647\\u200C\\u0627\\u06CC", 0 },
271     { "\\u0646\\u0627\\u0645\\u0647\\u200C\\u0627\\u06CC", "T",  // ZWNJ
272       "\\u0646\\u0627\\u0645\\u0647\\u0627\\u06CC", 0 },
273     { "xn--mgba3gch31f060k.com", "B",  // ZWNJ in Punycode
274       "\\u0646\\u0627\\u0645\\u0647\\u200C\\u0627\\u06CC.com", 0 },
275     { "a.b\\uFF0Ec\\u3002d\\uFF61", "B",
276       "a.b.c.d.", 0 },
277     { "U\\u0308.xn--tda", "B",  // U+umlaut.u-umlaut
278       "\\u00FC.\\u00FC", 0 },
279     { "xn--u-ccb", "B",  // u+umlaut in Punycode
280       "xn--u-ccb\\uFFFD", UIDNA_ERROR_INVALID_ACE_LABEL },
281     { "a\\u2488com", "B",  // contains 1-dot
282       "a\\uFFFDcom", UIDNA_ERROR_DISALLOWED },
283     { "xn--a-ecp.ru", "B",  // contains 1-dot in Punycode
284       "xn--a-ecp\\uFFFD.ru", UIDNA_ERROR_INVALID_ACE_LABEL },
285     { "xn--0.pt", "B",  // invalid Punycode
286       "xn--0\\uFFFD.pt", UIDNA_ERROR_PUNYCODE },
287     { "xn--a.pt", "B",  // U+0080
288       "xn--a\\uFFFD.pt", UIDNA_ERROR_INVALID_ACE_LABEL },
289     { "xn--a-\\u00C4.pt", "B",  // invalid Punycode
290       "xn--a-\\u00E4.pt", UIDNA_ERROR_PUNYCODE },
291     { "\\u65E5\\u672C\\u8A9E\\u3002\\uFF2A\\uFF30", "B",  // Japanese with fullwidth ".jp"
292       "\\u65E5\\u672C\\u8A9E.jp", 0 },
293     { "\\u2615", "B", "\\u2615", 0 },  // Unicode 4.0 HOT BEVERAGE
294     // some characters are disallowed because they are canonically equivalent
295     // to sequences with non-LDH ASCII
296     { "a\\u2260b\\u226Ec\\u226Fd", "B",
297       "a\\uFFFDb\\uFFFDc\\uFFFDd", UIDNA_ERROR_DISALLOWED },
298     // many deviation characters, test the special mapping code
299     { "1.a\\u00DF\\u200C\\u200Db\\u200C\\u200Dc\\u00DF\\u00DF\\u00DF\\u00DFd"
300       "\\u03C2\\u03C3\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFe"
301       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFx"
302       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFy"
303       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u0302\\u00DFz", "N",
304       "1.a\\u00DF\\u200C\\u200Db\\u200C\\u200Dc\\u00DF\\u00DF\\u00DF\\u00DFd"
305       "\\u03C2\\u03C3\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFe"
306       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFx"
307       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFy"
308       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u0302\\u00DFz",
309       UIDNA_ERROR_LABEL_TOO_LONG|UIDNA_ERROR_CONTEXTJ },
310     { "1.a\\u00DF\\u200C\\u200Db\\u200C\\u200Dc\\u00DF\\u00DF\\u00DF\\u00DFd"
311       "\\u03C2\\u03C3\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFe"
312       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFx"
313       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DFy"
314       "\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u00DF\\u0302\\u00DFz", "T",
315       "1.assbcssssssssd"
316       "\\u03C3\\u03C3sssssssssssssssse"
317       "ssssssssssssssssssssx"
318       "ssssssssssssssssssssy"
319       "sssssssssssssss\\u015Dssz", UIDNA_ERROR_LABEL_TOO_LONG },
320     // "xn--bss" with deviation characters
321     { "\\u200Cx\\u200Dn\\u200C-\\u200D-b\\u00DF", "N",
322       "\\u200Cx\\u200Dn\\u200C-\\u200D-b\\u00DF", UIDNA_ERROR_CONTEXTJ },
323     { "\\u200Cx\\u200Dn\\u200C-\\u200D-b\\u00DF", "T",
324       "\\u5919", 0 },
325     // "xn--bssffl" written as:
326     // 02E3 MODIFIER LETTER SMALL X
327     // 034F COMBINING GRAPHEME JOINER (ignored)
328     // 2115 DOUBLE-STRUCK CAPITAL N
329     // 200B ZERO WIDTH SPACE (ignored)
330     // FE63 SMALL HYPHEN-MINUS
331     // 00AD SOFT HYPHEN (ignored)
332     // FF0D FULLWIDTH HYPHEN-MINUS
333     // 180C MONGOLIAN FREE VARIATION SELECTOR TWO (ignored)
334     // 212C SCRIPT CAPITAL B
335     // FE00 VARIATION SELECTOR-1 (ignored)
336     // 017F LATIN SMALL LETTER LONG S
337     // 2064 INVISIBLE PLUS (ignored)
338     // 1D530 MATHEMATICAL FRAKTUR SMALL S
339     // E01EF VARIATION SELECTOR-256 (ignored)
340     // FB04 LATIN SMALL LIGATURE FFL
341     { "\\u02E3\\u034F\\u2115\\u200B\\uFE63\\u00AD\\uFF0D\\u180C"
342       "\\u212C\\uFE00\\u017F\\u2064\\U0001D530\\U000E01EF\\uFB04", "B",
343       "\\u5921\\u591E\\u591C\\u5919", 0 },
344     { "123456789012345678901234567890123456789012345678901234567890123."
345       "123456789012345678901234567890123456789012345678901234567890123."
346       "123456789012345678901234567890123456789012345678901234567890123."
347       "1234567890123456789012345678901234567890123456789012345678901", "B",
348       "123456789012345678901234567890123456789012345678901234567890123."
349       "123456789012345678901234567890123456789012345678901234567890123."
350       "123456789012345678901234567890123456789012345678901234567890123."
351       "1234567890123456789012345678901234567890123456789012345678901", 0 },
352     { "123456789012345678901234567890123456789012345678901234567890123."
353       "123456789012345678901234567890123456789012345678901234567890123."
354       "123456789012345678901234567890123456789012345678901234567890123."
355       "1234567890123456789012345678901234567890123456789012345678901.", "B",
356       "123456789012345678901234567890123456789012345678901234567890123."
357       "123456789012345678901234567890123456789012345678901234567890123."
358       "123456789012345678901234567890123456789012345678901234567890123."
359       "1234567890123456789012345678901234567890123456789012345678901.", 0 },
360     // Domain name >256 characters, forces slow path in UTF-8 processing.
361     { "123456789012345678901234567890123456789012345678901234567890123."
362       "123456789012345678901234567890123456789012345678901234567890123."
363       "123456789012345678901234567890123456789012345678901234567890123."
364       "123456789012345678901234567890123456789012345678901234567890123."
365       "12345678901234567890123456789012345678901234567890123456789012", "B",
366       "123456789012345678901234567890123456789012345678901234567890123."
367       "123456789012345678901234567890123456789012345678901234567890123."
368       "123456789012345678901234567890123456789012345678901234567890123."
369       "123456789012345678901234567890123456789012345678901234567890123."
370       "12345678901234567890123456789012345678901234567890123456789012",
371       UIDNA_ERROR_DOMAIN_NAME_TOO_LONG },
372     { "123456789012345678901234567890123456789012345678901234567890123."
373       "123456789012345678901234567890123456789012345678901234567890123."
374       "123456789012345678901234567890123456789012345678901234567890123."
375       "123456789012345678901234567890123456789012345678901234567890123."
376       "1234567890123456789012345678901234567890123456789\\u05D0", "B",
377       "123456789012345678901234567890123456789012345678901234567890123."
378       "123456789012345678901234567890123456789012345678901234567890123."
379       "123456789012345678901234567890123456789012345678901234567890123."
380       "123456789012345678901234567890123456789012345678901234567890123."
381       "1234567890123456789012345678901234567890123456789\\u05D0",
382       UIDNA_ERROR_DOMAIN_NAME_TOO_LONG|UIDNA_ERROR_BIDI },
383     { "123456789012345678901234567890123456789012345678901234567890123."
384       "1234567890123456789012345678901234567890123456789012345678901234."
385       "123456789012345678901234567890123456789012345678901234567890123."
386       "123456789012345678901234567890123456789012345678901234567890", "B",
387       "123456789012345678901234567890123456789012345678901234567890123."
388       "1234567890123456789012345678901234567890123456789012345678901234."
389       "123456789012345678901234567890123456789012345678901234567890123."
390       "123456789012345678901234567890123456789012345678901234567890",
391       UIDNA_ERROR_LABEL_TOO_LONG },
392     { "123456789012345678901234567890123456789012345678901234567890123."
393       "1234567890123456789012345678901234567890123456789012345678901234."
394       "123456789012345678901234567890123456789012345678901234567890123."
395       "123456789012345678901234567890123456789012345678901234567890.", "B",
396       "123456789012345678901234567890123456789012345678901234567890123."
397       "1234567890123456789012345678901234567890123456789012345678901234."
398       "123456789012345678901234567890123456789012345678901234567890123."
399       "123456789012345678901234567890123456789012345678901234567890.",
400       UIDNA_ERROR_LABEL_TOO_LONG },
401     { "123456789012345678901234567890123456789012345678901234567890123."
402       "1234567890123456789012345678901234567890123456789012345678901234."
403       "123456789012345678901234567890123456789012345678901234567890123."
404       "1234567890123456789012345678901234567890123456789012345678901", "B",
405       "123456789012345678901234567890123456789012345678901234567890123."
406       "1234567890123456789012345678901234567890123456789012345678901234."
407       "123456789012345678901234567890123456789012345678901234567890123."
408       "1234567890123456789012345678901234567890123456789012345678901",
409       UIDNA_ERROR_LABEL_TOO_LONG|UIDNA_ERROR_DOMAIN_NAME_TOO_LONG },
410     // label length 63: xn--1234567890123456789012345678901234567890123456789012345-9te
411     { "\\u00E41234567890123456789012345678901234567890123456789012345", "B",
412       "\\u00E41234567890123456789012345678901234567890123456789012345", 0 },
413     { "1234567890\\u00E41234567890123456789012345678901234567890123456", "B",
414       "1234567890\\u00E41234567890123456789012345678901234567890123456", UIDNA_ERROR_LABEL_TOO_LONG },
415     { "123456789012345678901234567890123456789012345678901234567890123."
416       "1234567890\\u00E4123456789012345678901234567890123456789012345."
417       "123456789012345678901234567890123456789012345678901234567890123."
418       "1234567890123456789012345678901234567890123456789012345678901", "B",
419       "123456789012345678901234567890123456789012345678901234567890123."
420       "1234567890\\u00E4123456789012345678901234567890123456789012345."
421       "123456789012345678901234567890123456789012345678901234567890123."
422       "1234567890123456789012345678901234567890123456789012345678901", 0 },
423     { "123456789012345678901234567890123456789012345678901234567890123."
424       "1234567890\\u00E4123456789012345678901234567890123456789012345."
425       "123456789012345678901234567890123456789012345678901234567890123."
426       "1234567890123456789012345678901234567890123456789012345678901.", "B",
427       "123456789012345678901234567890123456789012345678901234567890123."
428       "1234567890\\u00E4123456789012345678901234567890123456789012345."
429       "123456789012345678901234567890123456789012345678901234567890123."
430       "1234567890123456789012345678901234567890123456789012345678901.", 0 },
431     { "123456789012345678901234567890123456789012345678901234567890123."
432       "1234567890\\u00E4123456789012345678901234567890123456789012345."
433       "123456789012345678901234567890123456789012345678901234567890123."
434       "12345678901234567890123456789012345678901234567890123456789012", "B",
435       "123456789012345678901234567890123456789012345678901234567890123."
436       "1234567890\\u00E4123456789012345678901234567890123456789012345."
437       "123456789012345678901234567890123456789012345678901234567890123."
438       "12345678901234567890123456789012345678901234567890123456789012",
439       UIDNA_ERROR_DOMAIN_NAME_TOO_LONG },
440     { "123456789012345678901234567890123456789012345678901234567890123."
441       "1234567890\\u00E41234567890123456789012345678901234567890123456."
442       "123456789012345678901234567890123456789012345678901234567890123."
443       "123456789012345678901234567890123456789012345678901234567890", "B",
444       "123456789012345678901234567890123456789012345678901234567890123."
445       "1234567890\\u00E41234567890123456789012345678901234567890123456."
446       "123456789012345678901234567890123456789012345678901234567890123."
447       "123456789012345678901234567890123456789012345678901234567890",
448       UIDNA_ERROR_LABEL_TOO_LONG },
449     { "123456789012345678901234567890123456789012345678901234567890123."
450       "1234567890\\u00E41234567890123456789012345678901234567890123456."
451       "123456789012345678901234567890123456789012345678901234567890123."
452       "123456789012345678901234567890123456789012345678901234567890.", "B",
453       "123456789012345678901234567890123456789012345678901234567890123."
454       "1234567890\\u00E41234567890123456789012345678901234567890123456."
455       "123456789012345678901234567890123456789012345678901234567890123."
456       "123456789012345678901234567890123456789012345678901234567890.",
457       UIDNA_ERROR_LABEL_TOO_LONG },
458     { "123456789012345678901234567890123456789012345678901234567890123."
459       "1234567890\\u00E41234567890123456789012345678901234567890123456."
460       "123456789012345678901234567890123456789012345678901234567890123."
461       "1234567890123456789012345678901234567890123456789012345678901", "B",
462       "123456789012345678901234567890123456789012345678901234567890123."
463       "1234567890\\u00E41234567890123456789012345678901234567890123456."
464       "123456789012345678901234567890123456789012345678901234567890123."
465       "1234567890123456789012345678901234567890123456789012345678901",
466       UIDNA_ERROR_LABEL_TOO_LONG|UIDNA_ERROR_DOMAIN_NAME_TOO_LONG },
467     // hyphen errors and empty-label errors
468     // "xn---q----jra"=="-q--a-umlaut-"
469     { "a.b..-q--a-.e", "B", "a.b..-q--a-.e",
470       UIDNA_ERROR_EMPTY_LABEL|UIDNA_ERROR_LEADING_HYPHEN|UIDNA_ERROR_TRAILING_HYPHEN|
471       UIDNA_ERROR_HYPHEN_3_4 },
472     { "a.b..-q--\\u00E4-.e", "B", "a.b..-q--\\u00E4-.e",
473       UIDNA_ERROR_EMPTY_LABEL|UIDNA_ERROR_LEADING_HYPHEN|UIDNA_ERROR_TRAILING_HYPHEN|
474       UIDNA_ERROR_HYPHEN_3_4 },
475     { "a.b..xn---q----jra.e", "B", "a.b..-q--\\u00E4-.e",
476       UIDNA_ERROR_EMPTY_LABEL|UIDNA_ERROR_LEADING_HYPHEN|UIDNA_ERROR_TRAILING_HYPHEN|
477       UIDNA_ERROR_HYPHEN_3_4 },
478     { "a..c", "B", "a..c", UIDNA_ERROR_EMPTY_LABEL },
479     { "a.-b.", "B", "a.-b.", UIDNA_ERROR_LEADING_HYPHEN },
480     { "a.b-.c", "B", "a.b-.c", UIDNA_ERROR_TRAILING_HYPHEN },
481     { "a.-.c", "B", "a.-.c", UIDNA_ERROR_LEADING_HYPHEN|UIDNA_ERROR_TRAILING_HYPHEN },
482     { "a.bc--de.f", "B", "a.bc--de.f", UIDNA_ERROR_HYPHEN_3_4 },
483     { "\\u00E4.\\u00AD.c", "B", "\\u00E4..c", UIDNA_ERROR_EMPTY_LABEL },
484     { "\\u00E4.-b.", "B", "\\u00E4.-b.", UIDNA_ERROR_LEADING_HYPHEN },
485     { "\\u00E4.b-.c", "B", "\\u00E4.b-.c", UIDNA_ERROR_TRAILING_HYPHEN },
486     { "\\u00E4.-.c", "B", "\\u00E4.-.c", UIDNA_ERROR_LEADING_HYPHEN|UIDNA_ERROR_TRAILING_HYPHEN },
487     { "\\u00E4.bc--de.f", "B", "\\u00E4.bc--de.f", UIDNA_ERROR_HYPHEN_3_4 },
488     { "a.b.\\u0308c.d", "B", "a.b.\\uFFFDc.d", UIDNA_ERROR_LEADING_COMBINING_MARK },
489     { "a.b.xn--c-bcb.d", "B",
490       "a.b.xn--c-bcb\\uFFFD.d", UIDNA_ERROR_LEADING_COMBINING_MARK|UIDNA_ERROR_INVALID_ACE_LABEL },
491     // BiDi
492     { "A0", "B", "a0", 0 },
493     { "0A", "B", "0a", 0 },  // all-LTR is ok to start with a digit (EN)
494     { "0A.\\u05D0", "B",  // ASCII label does not start with L/R/AL
495       "0a.\\u05D0", UIDNA_ERROR_BIDI },
496     { "c.xn--0-eha.xn--4db", "B",  // 2nd label does not start with L/R/AL
497       "c.0\\u00FC.\\u05D0", UIDNA_ERROR_BIDI },
498     { "b-.\\u05D0", "B",  // label does not end with L/EN
499       "b-.\\u05D0", UIDNA_ERROR_TRAILING_HYPHEN|UIDNA_ERROR_BIDI },
500     { "d.xn----dha.xn--4db", "B",  // 2nd label does not end with L/EN
501       "d.\\u00FC-.\\u05D0", UIDNA_ERROR_TRAILING_HYPHEN|UIDNA_ERROR_BIDI },
502     { "a\\u05D0", "B", "a\\u05D0", UIDNA_ERROR_BIDI },  // first dir != last dir
503     { "\\u05D0\\u05C7", "B", "\\u05D0\\u05C7", 0 },
504     { "\\u05D09\\u05C7", "B", "\\u05D09\\u05C7", 0 },
505     { "\\u05D0a\\u05C7", "B", "\\u05D0a\\u05C7", UIDNA_ERROR_BIDI },  // first dir != last dir
506     { "\\u05D0\\u05EA", "B", "\\u05D0\\u05EA", 0 },
507     { "\\u05D0\\u05F3\\u05EA", "B", "\\u05D0\\u05F3\\u05EA", 0 },
508     { "a\\u05D0Tz", "B", "a\\u05D0tz", UIDNA_ERROR_BIDI },  // mixed dir
509     { "\\u05D0T\\u05EA", "B", "\\u05D0t\\u05EA", UIDNA_ERROR_BIDI },  // mixed dir
510     { "\\u05D07\\u05EA", "B", "\\u05D07\\u05EA", 0 },
511     { "\\u05D0\\u0667\\u05EA", "B", "\\u05D0\\u0667\\u05EA", 0 },  // Arabic 7 in the middle
512     { "a7\\u0667z", "B", "a7\\u0667z", UIDNA_ERROR_BIDI },  // AN digit in LTR
513     { "\\u05D07\\u0667\\u05EA", "B",  // mixed EN/AN digits in RTL
514       "\\u05D07\\u0667\\u05EA", UIDNA_ERROR_BIDI },
515     // ZWJ
516     { "\\u0BB9\\u0BCD\\u200D", "N", "\\u0BB9\\u0BCD\\u200D", 0 },  // Virama+ZWJ
517     { "\\u0BB9\\u200D", "N", "\\u0BB9\\u200D", UIDNA_ERROR_CONTEXTJ },  // no Virama
518     { "\\u200D", "N", "\\u200D", UIDNA_ERROR_CONTEXTJ },  // no Virama
519     // ZWNJ
520     { "\\u0BB9\\u0BCD\\u200C", "N", "\\u0BB9\\u0BCD\\u200C", 0 },  // Virama+ZWNJ
521     { "\\u0BB9\\u200C", "N", "\\u0BB9\\u200C", UIDNA_ERROR_CONTEXTJ },  // no Virama
522     { "\\u200C", "N", "\\u200C", UIDNA_ERROR_CONTEXTJ },  // no Virama
523     { "\\u0644\\u0670\\u200C\\u06ED\\u06EF", "N",  // Joining types D T ZWNJ T R
524       "\\u0644\\u0670\\u200C\\u06ED\\u06EF", 0 },
525     { "\\u0644\\u0670\\u200C\\u06EF", "N",  // D T ZWNJ R
526       "\\u0644\\u0670\\u200C\\u06EF", 0 },
527     { "\\u0644\\u200C\\u06ED\\u06EF", "N",  // D ZWNJ T R
528       "\\u0644\\u200C\\u06ED\\u06EF", 0 },
529     { "\\u0644\\u200C\\u06EF", "N",  // D ZWNJ R
530       "\\u0644\\u200C\\u06EF", 0 },
531     { "\\u0644\\u0670\\u200C\\u06ED", "N",  // D T ZWNJ T
532       "\\u0644\\u0670\\u200C\\u06ED", UIDNA_ERROR_BIDI|UIDNA_ERROR_CONTEXTJ },
533     { "\\u06EF\\u200C\\u06EF", "N",  // R ZWNJ R
534       "\\u06EF\\u200C\\u06EF", UIDNA_ERROR_CONTEXTJ },
535     { "\\u0644\\u200C", "N",  // D ZWNJ
536       "\\u0644\\u200C", UIDNA_ERROR_BIDI|UIDNA_ERROR_CONTEXTJ },
537     // Ticket #8137: UTS #46 toUnicode() fails with non-ASCII labels that turn
538     // into 15 characters (UChars).
539     // The bug was in u_strFromPunycode() which did not write the last character
540     // if it just so fit into the end of the destination buffer.
541     // The UTS #46 code gives a default-capacity UnicodeString as the destination buffer,
542     // and the internal UnicodeString capacity is currently 15 UChars on 64-bit machines
543     // but 13 on 32-bit machines.
544     // Label with 15 UChars, for 64-bit-machine testing:
545     { "aaaaaaaaaaaaa\\u00FCa.de", "B", "aaaaaaaaaaaaa\\u00FCa.de", 0 },
546     { "xn--aaaaaaaaaaaaaa-ssb.de", "B", "aaaaaaaaaaaaa\\u00FCa.de", 0 },
547     { "abschlu\\u00DFpr\\u00FCfung.de", "N", "abschlu\\u00DFpr\\u00FCfung.de", 0 },
548     { "xn--abschluprfung-hdb15b.de", "B", "abschlu\\u00DFpr\\u00FCfung.de", 0 },
549     // Label with 13 UChars, for 32-bit-machine testing:
550     { "xn--aaaaaaaaaaaa-nlb.de", "B", "aaaaaaaaaaa\\u00FCa.de", 0 },
551     { "xn--schluprfung-z6a39a.de", "B", "schlu\\u00DFpr\\u00FCfung.de", 0 },
552     // { "", "B",
553     //   "", 0 },
554 };
555 
TestSomeCases()556 void UTS46Test::TestSomeCases() {
557     IcuTestErrorCode errorCode(*this, "TestSomeCases");
558     char buffer[400], buffer2[400];
559     int32_t i;
560     for(i=0; i<LENGTHOF(testCases); ++i) {
561         const TestCase &testCase=testCases[i];
562         UnicodeString input(ctou(testCase.s));
563         UnicodeString expected(ctou(testCase.u));
564         // ToASCII/ToUnicode, transitional/nontransitional
565         UnicodeString aT, uT, aN, uN;
566         IDNAInfo aTInfo, uTInfo, aNInfo, uNInfo;
567         trans->nameToASCII(input, aT, aTInfo, errorCode);
568         trans->nameToUnicode(input, uT, uTInfo, errorCode);
569         nontrans->nameToASCII(input, aN, aNInfo, errorCode);
570         nontrans->nameToUnicode(input, uN, uNInfo, errorCode);
571         if(errorCode.logIfFailureAndReset("first-level processing [%d/%s] %s",
572                                           (int)i, testCase.o, testCase.s)
573         ) {
574             continue;
575         }
576         // ToUnicode does not set length errors.
577         uint32_t uniErrors=testCase.errors&~
578             (UIDNA_ERROR_EMPTY_LABEL|
579              UIDNA_ERROR_LABEL_TOO_LONG|
580              UIDNA_ERROR_DOMAIN_NAME_TOO_LONG);
581         char mode=testCase.o[0];
582         if(mode=='B' || mode=='N') {
583             if(uNInfo.getErrors()!=uniErrors) {
584                 errln("N.nameToUnicode([%d] %s) unexpected errors %04lx",
585                       (int)i, testCase.s, (long)uNInfo.getErrors());
586                 continue;
587             }
588             if(uN!=expected) {
589                 prettify(uN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
590                 errln("N.nameToUnicode([%d] %s) unexpected string %s",
591                       (int)i, testCase.s, buffer);
592                 continue;
593             }
594             if(aNInfo.getErrors()!=testCase.errors) {
595                 errln("N.nameToASCII([%d] %s) unexpected errors %04lx",
596                       (int)i, testCase.s, (long)aNInfo.getErrors());
597                 continue;
598             }
599         }
600         if(mode=='B' || mode=='T') {
601             if(uTInfo.getErrors()!=uniErrors) {
602                 errln("T.nameToUnicode([%d] %s) unexpected errors %04lx",
603                       (int)i, testCase.s, (long)uTInfo.getErrors());
604                 continue;
605             }
606             if(uT!=expected) {
607                 prettify(uT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
608                 errln("T.nameToUnicode([%d] %s) unexpected string %s",
609                       (int)i, testCase.s, buffer);
610                 continue;
611             }
612             if(aTInfo.getErrors()!=testCase.errors) {
613                 errln("T.nameToASCII([%d] %s) unexpected errors %04lx",
614                       (int)i, testCase.s, (long)aTInfo.getErrors());
615                 continue;
616             }
617         }
618         // ToASCII is all-ASCII if no severe errors
619         if((aNInfo.getErrors()&severeErrors)==0 && !isASCII(aN)) {
620             prettify(aN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
621             errln("N.nameToASCII([%d] %s) (errors %04lx) result is not ASCII %s",
622                   (int)i, testCase.s, aNInfo.getErrors(), buffer);
623             continue;
624         }
625         if((aTInfo.getErrors()&severeErrors)==0 && !isASCII(aT)) {
626             prettify(aT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
627             errln("T.nameToASCII([%d] %s) (errors %04lx) result is not ASCII %s",
628                   (int)i, testCase.s, aTInfo.getErrors(), buffer);
629             continue;
630         }
631         if(verbose) {
632             char m= mode=='B' ? mode : 'N';
633             prettify(aN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
634             logln("%c.nameToASCII([%d] %s) (errors %04lx) result string: %s",
635                   m, (int)i, testCase.s, aNInfo.getErrors(), buffer);
636             if(mode!='B') {
637                 prettify(aT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
638                 logln("T.nameToASCII([%d] %s) (errors %04lx) result string: %s",
639                       (int)i, testCase.s, aTInfo.getErrors(), buffer);
640             }
641         }
642         // second-level processing
643         UnicodeString aTuN, uTaN, aNuN, uNaN;
644         IDNAInfo aTuNInfo, uTaNInfo, aNuNInfo, uNaNInfo;
645         nontrans->nameToUnicode(aT, aTuN, aTuNInfo, errorCode);
646         nontrans->nameToASCII(uT, uTaN, uTaNInfo, errorCode);
647         nontrans->nameToUnicode(aN, aNuN, aNuNInfo, errorCode);
648         nontrans->nameToASCII(uN, uNaN, uNaNInfo, errorCode);
649         if(errorCode.logIfFailureAndReset("second-level processing [%d/%s] %s",
650                                           (int)i, testCase.o, testCase.s)
651         ) {
652             continue;
653         }
654         if(aN!=uNaN) {
655             prettify(aN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
656             prettify(uNaN).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
657             errln("N.nameToASCII([%d] %s)!=N.nameToUnicode().N.nameToASCII() "
658                   "(errors %04lx) %s vs. %s",
659                   (int)i, testCase.s, aNInfo.getErrors(), buffer, buffer2);
660             continue;
661         }
662         if(aT!=uTaN) {
663             prettify(aT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
664             prettify(uTaN).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
665             errln("T.nameToASCII([%d] %s)!=T.nameToUnicode().N.nameToASCII() "
666                   "(errors %04lx) %s vs. %s",
667                   (int)i, testCase.s, aNInfo.getErrors(), buffer, buffer2);
668             continue;
669         }
670         if(uN!=aNuN) {
671             prettify(uN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
672             prettify(aNuN).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
673             errln("N.nameToUnicode([%d] %s)!=N.nameToASCII().N.nameToUnicode() "
674                   "(errors %04lx) %s vs. %s",
675                   (int)i, testCase.s, uNInfo.getErrors(), buffer, buffer2);
676             continue;
677         }
678         if(uT!=aTuN) {
679             prettify(uT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
680             prettify(aTuN).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
681             errln("T.nameToUnicode([%d] %s)!=T.nameToASCII().N.nameToUnicode() "
682                   "(errors %04lx) %s vs. %s",
683                   (int)i, testCase.s, uNInfo.getErrors(), buffer, buffer2);
684             continue;
685         }
686         // labelToUnicode
687         UnicodeString aTL, uTL, aNL, uNL;
688         IDNAInfo aTLInfo, uTLInfo, aNLInfo, uNLInfo;
689         trans->labelToASCII(input, aTL, aTLInfo, errorCode);
690         trans->labelToUnicode(input, uTL, uTLInfo, errorCode);
691         nontrans->labelToASCII(input, aNL, aNLInfo, errorCode);
692         nontrans->labelToUnicode(input, uNL, uNLInfo, errorCode);
693         if(errorCode.logIfFailureAndReset("labelToXYZ processing [%d/%s] %s",
694                                           (int)i, testCase.o, testCase.s)
695         ) {
696             continue;
697         }
698         if(aN.indexOf((UChar)0x2e)<0) {
699             if(aN!=aNL || aNInfo.getErrors()!=aNLInfo.getErrors()) {
700                 prettify(aN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
701                 prettify(aNL).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
702                 errln("N.nameToASCII([%d] %s)!=N.labelToASCII() "
703                       "(errors %04lx vs %04lx) %s vs. %s",
704                       (int)i, testCase.s, aNInfo.getErrors(), aNLInfo.getErrors(), buffer, buffer2);
705                 continue;
706             }
707         } else {
708             if((aNLInfo.getErrors()&UIDNA_ERROR_LABEL_HAS_DOT)==0) {
709                 errln("N.labelToASCII([%d] %s) errors %04lx missing UIDNA_ERROR_LABEL_HAS_DOT",
710                       (int)i, testCase.s, (long)aNLInfo.getErrors());
711                 continue;
712             }
713         }
714         if(aT.indexOf((UChar)0x2e)<0) {
715             if(aT!=aTL || aTInfo.getErrors()!=aTLInfo.getErrors()) {
716                 prettify(aT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
717                 prettify(aTL).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
718                 errln("T.nameToASCII([%d] %s)!=T.labelToASCII() "
719                       "(errors %04lx vs %04lx) %s vs. %s",
720                       (int)i, testCase.s, aTInfo.getErrors(), aTLInfo.getErrors(), buffer, buffer2);
721                 continue;
722             }
723         } else {
724             if((aTLInfo.getErrors()&UIDNA_ERROR_LABEL_HAS_DOT)==0) {
725                 errln("T.labelToASCII([%d] %s) errors %04lx missing UIDNA_ERROR_LABEL_HAS_DOT",
726                       (int)i, testCase.s, (long)aTLInfo.getErrors());
727                 continue;
728             }
729         }
730         if(uN.indexOf((UChar)0x2e)<0) {
731             if(uN!=uNL || uNInfo.getErrors()!=uNLInfo.getErrors()) {
732                 prettify(uN).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
733                 prettify(uNL).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
734                 errln("N.nameToUnicode([%d] %s)!=N.labelToUnicode() "
735                       "(errors %04lx vs %04lx) %s vs. %s",
736                       (int)i, testCase.s, uNInfo.getErrors(), uNLInfo.getErrors(), buffer, buffer2);
737                 continue;
738             }
739         } else {
740             if((uNLInfo.getErrors()&UIDNA_ERROR_LABEL_HAS_DOT)==0) {
741                 errln("N.labelToUnicode([%d] %s) errors %04lx missing UIDNA_ERROR_LABEL_HAS_DOT",
742                       (int)i, testCase.s, (long)uNLInfo.getErrors());
743                 continue;
744             }
745         }
746         if(uT.indexOf((UChar)0x2e)<0) {
747             if(uT!=uTL || uTInfo.getErrors()!=uTLInfo.getErrors()) {
748                 prettify(uT).extract(0, 0x7fffffff, buffer, LENGTHOF(buffer));
749                 prettify(uTL).extract(0, 0x7fffffff, buffer2, LENGTHOF(buffer2));
750                 errln("T.nameToUnicode([%d] %s)!=T.labelToUnicode() "
751                       "(errors %04lx vs %04lx) %s vs. %s",
752                       (int)i, testCase.s, uTInfo.getErrors(), uTLInfo.getErrors(), buffer, buffer2);
753                 continue;
754             }
755         } else {
756             if((uTLInfo.getErrors()&UIDNA_ERROR_LABEL_HAS_DOT)==0) {
757                 errln("T.labelToUnicode([%d] %s) errors %04lx missing UIDNA_ERROR_LABEL_HAS_DOT",
758                       (int)i, testCase.s, (long)uTLInfo.getErrors());
759                 continue;
760             }
761         }
762         // Differences between transitional and nontransitional processing
763         if(mode=='B') {
764             if( aNInfo.isTransitionalDifferent() ||
765                 aTInfo.isTransitionalDifferent() ||
766                 uNInfo.isTransitionalDifferent() ||
767                 uTInfo.isTransitionalDifferent() ||
768                 aNLInfo.isTransitionalDifferent() ||
769                 aTLInfo.isTransitionalDifferent() ||
770                 uNLInfo.isTransitionalDifferent() ||
771                 uTLInfo.isTransitionalDifferent()
772             ) {
773                 errln("B.process([%d] %s) isTransitionalDifferent()", (int)i, testCase.s);
774                 continue;
775             }
776             if( aN!=aT || uN!=uT || aNL!=aTL || uNL!=uTL ||
777                 aNInfo.getErrors()!=aTInfo.getErrors() || uNInfo.getErrors()!=uTInfo.getErrors() ||
778                 aNLInfo.getErrors()!=aTLInfo.getErrors() || uNLInfo.getErrors()!=uTLInfo.getErrors()
779             ) {
780                 errln("N.process([%d] %s) vs. T.process() different errors or result strings",
781                       (int)i, testCase.s);
782                 continue;
783             }
784         } else {
785             if( !aNInfo.isTransitionalDifferent() ||
786                 !aTInfo.isTransitionalDifferent() ||
787                 !uNInfo.isTransitionalDifferent() ||
788                 !uTInfo.isTransitionalDifferent() ||
789                 !aNLInfo.isTransitionalDifferent() ||
790                 !aTLInfo.isTransitionalDifferent() ||
791                 !uNLInfo.isTransitionalDifferent() ||
792                 !uTLInfo.isTransitionalDifferent()
793             ) {
794                 errln("%s.process([%d] %s) !isTransitionalDifferent()",
795                       testCase.o, (int)i, testCase.s);
796                 continue;
797             }
798             if(aN==aT || uN==uT || aNL==aTL || uNL==uTL) {
799                 errln("N.process([%d] %s) vs. T.process() same result strings",
800                       (int)i, testCase.s);
801                 continue;
802             }
803         }
804         // UTF-8 if we have std::string
805 #if U_HAVE_STD_STRING
806         U_STD_NSQ string input8, aT8, uT8, aN8, uN8;
807         StringByteSink<U_STD_NSQ string> aT8Sink(&aT8), uT8Sink(&uT8), aN8Sink(&aN8), uN8Sink(&uN8);
808         IDNAInfo aT8Info, uT8Info, aN8Info, uN8Info;
809         input.toUTF8String(input8);
810         trans->nameToASCII_UTF8(input8, aT8Sink, aT8Info, errorCode);
811         trans->nameToUnicodeUTF8(input8, uT8Sink, uT8Info, errorCode);
812         nontrans->nameToASCII_UTF8(input8, aN8Sink, aN8Info, errorCode);
813         nontrans->nameToUnicodeUTF8(input8, uN8Sink, uN8Info, errorCode);
814         if(errorCode.logIfFailureAndReset("UTF-8 processing [%d/%s] %s",
815                                           (int)i, testCase.o, testCase.s)
816         ) {
817             continue;
818         }
819         UnicodeString aT16(UnicodeString::fromUTF8(aT8));
820         UnicodeString uT16(UnicodeString::fromUTF8(uT8));
821         UnicodeString aN16(UnicodeString::fromUTF8(aN8));
822         UnicodeString uN16(UnicodeString::fromUTF8(uN8));
823         if( aN8Info.getErrors()!=aNInfo.getErrors() ||
824             uN8Info.getErrors()!=uNInfo.getErrors()
825         ) {
826             errln("N.xyzUTF8([%d] %s) vs. UTF-16 processing different errors %04lx vs. %04lx",
827                   (int)i, testCase.s,
828                   (long)aN8Info.getErrors(), (long)aNInfo.getErrors());
829             continue;
830         }
831         if( aT8Info.getErrors()!=aTInfo.getErrors() ||
832             uT8Info.getErrors()!=uTInfo.getErrors()
833         ) {
834             errln("T.xyzUTF8([%d] %s) vs. UTF-16 processing different errors %04lx vs. %04lx",
835                   (int)i, testCase.s,
836                   (long)aT8Info.getErrors(), (long)aTInfo.getErrors());
837             continue;
838         }
839         if(aT16!=aT || uT16!=uT || aN16!=aN || uN16!=uN) {
840             errln("%s.xyzUTF8([%d] %s) vs. UTF-16 processing different string results",
841                   testCase.o, (int)i, testCase.s, (long)aTInfo.getErrors());
842             continue;
843         }
844         if( aT8Info.isTransitionalDifferent()!=aTInfo.isTransitionalDifferent() ||
845             uT8Info.isTransitionalDifferent()!=uTInfo.isTransitionalDifferent() ||
846             aN8Info.isTransitionalDifferent()!=aNInfo.isTransitionalDifferent() ||
847             uN8Info.isTransitionalDifferent()!=uNInfo.isTransitionalDifferent()
848         ) {
849             errln("%s.xyzUTF8([%d] %s) vs. UTF-16 processing different isTransitionalDifferent()",
850                   testCase.o, (int)i, testCase.s);
851             continue;
852         }
853 #endif
854     }
855 }
856 
857 #endif  // UCONFIG_NO_IDNA
858