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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/strings/strings.cpp
3 // Purpose: wxString unit test
4 // Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
5 // Created: 2004-04-19
6 // RCS-ID: $Id$
7 // Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
8 ///////////////////////////////////////////////////////////////////////////////
9
10 // ----------------------------------------------------------------------------
11 // headers
12 // ----------------------------------------------------------------------------
13
14 #include "testprec.h"
15
16 #ifdef __BORLANDC__
17 #pragma hdrstop
18 #endif
19
20 #ifndef WX_PRECOMP
21 #include "wx/wx.h"
22 #endif // WX_PRECOMP
23
24 // ----------------------------------------------------------------------------
25 // test class
26 // ----------------------------------------------------------------------------
27
28 class StringTestCase : public CppUnit::TestCase
29 {
30 public:
31 StringTestCase();
32
33 private:
34 CPPUNIT_TEST_SUITE( StringTestCase );
35 CPPUNIT_TEST( String );
36 CPPUNIT_TEST( PChar );
37 CPPUNIT_TEST( Format );
38 CPPUNIT_TEST( FormatUnicode );
39 CPPUNIT_TEST( Constructors );
40 CPPUNIT_TEST( StaticConstructors );
41 CPPUNIT_TEST( Extraction );
42 CPPUNIT_TEST( Trim );
43 CPPUNIT_TEST( Find );
44 CPPUNIT_TEST( Replace );
45 CPPUNIT_TEST( Match );
46 CPPUNIT_TEST( CaseChanges );
47 CPPUNIT_TEST( Compare );
48 CPPUNIT_TEST( CompareNoCase );
49 CPPUNIT_TEST( Contains );
50 CPPUNIT_TEST( ToLong );
51 CPPUNIT_TEST( ToULong );
52 #ifdef wxLongLong_t
53 CPPUNIT_TEST( ToLongLong );
54 CPPUNIT_TEST( ToULongLong );
55 #endif // wxLongLong_t
56 CPPUNIT_TEST( ToDouble );
57 CPPUNIT_TEST( FromDouble );
58 CPPUNIT_TEST( StringBuf );
59 CPPUNIT_TEST( UTF8Buf );
60 CPPUNIT_TEST( CStrDataTernaryOperator );
61 CPPUNIT_TEST( CStrDataOperators );
62 CPPUNIT_TEST( CStrDataImplicitConversion );
63 CPPUNIT_TEST( ExplicitConversion );
64 CPPUNIT_TEST( IndexedAccess );
65 CPPUNIT_TEST( BeforeAndAfter );
66 CPPUNIT_TEST( ScopedBuffers );
67 CPPUNIT_TEST_SUITE_END();
68
69 void String();
70 void PChar();
71 void Format();
72 void FormatUnicode();
73 void Constructors();
74 void StaticConstructors();
75 void Extraction();
76 void Trim();
77 void Find();
78 void Replace();
79 void Match();
80 void CaseChanges();
81 void Compare();
82 void CompareNoCase();
83 void Contains();
84 void ToLong();
85 void ToULong();
86 #ifdef wxLongLong_t
87 void ToLongLong();
88 void ToULongLong();
89 #endif // wxLongLong_t
90 void ToDouble();
91 void FromDouble();
92 void StringBuf();
93 void UTF8Buf();
94 void CStrDataTernaryOperator();
95 void DoCStrDataTernaryOperator(bool cond);
96 void CStrDataOperators();
97 void CStrDataImplicitConversion();
98 void ExplicitConversion();
99 void IndexedAccess();
100 void BeforeAndAfter();
101 void ScopedBuffers();
102
103 DECLARE_NO_COPY_CLASS(StringTestCase)
104 };
105
106 // register in the unnamed registry so that these tests are run by default
107 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
108
109 // also include in its own registry so that these tests can be run alone
110 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
111
112 StringTestCase::StringTestCase()
113 {
114 }
115
116 void StringTestCase::String()
117 {
118 wxString a, b, c;
119
120 a.reserve (128);
121 b.reserve (128);
122 c.reserve (128);
123
124 for (int i = 0; i < 2; ++i)
125 {
126 a = wxT("Hello");
127 b = wxT(" world");
128 c = wxT("! How'ya doin'?");
129 a += b;
130 a += c;
131 c = wxT("Hello world! What's up?");
132 CPPUNIT_ASSERT( c != a );
133 }
134 }
135
136 void StringTestCase::PChar()
137 {
138 wxChar a [128];
139 wxChar b [128];
140 wxChar c [128];
141
142 for (int i = 0; i < 2; ++i)
143 {
144 wxStrcpy (a, wxT("Hello"));
145 wxStrcpy (b, wxT(" world"));
146 wxStrcpy (c, wxT("! How'ya doin'?"));
147 wxStrcat (a, b);
148 wxStrcat (a, c);
149 wxStrcpy (c, wxT("Hello world! What's up?"));
150 CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
151 }
152 }
153
154 void StringTestCase::Format()
155 {
156 wxString s1,s2;
157 s1.Printf(wxT("%03d"), 18);
158 CPPUNIT_ASSERT( s1 == wxString::Format(wxT("%03d"), 18) );
159 s2.Printf(wxT("Number 18: %s\n"), s1.c_str());
160 CPPUNIT_ASSERT( s2 == wxString::Format(wxT("Number 18: %s\n"), s1.c_str()) );
161
162 static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
163 for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
164 {
165 const size_t len = lengths[n];
166
167 wxString s(wxT('Z'), len);
168 CPPUNIT_ASSERT_EQUAL( len, wxString::Format(wxT("%s"), s.c_str()).length());
169 }
170
171
172 CPPUNIT_ASSERT_EQUAL
173 (
174 "two one",
175 wxString::Format(wxT("%2$s %1$s"), wxT("one"), wxT("two"))
176 );
177 }
178
179 void StringTestCase::FormatUnicode()
180 {
181 #if wxUSE_UNICODE
182 const char *UNICODE_STR = "Iestat\xC4\xAB %i%i";
183 //const char *UNICODE_STR = "Iestat\xCC\x84 %i%i";
184
185 wxString fmt = wxString::FromUTF8(UNICODE_STR);
186 wxString s = wxString::Format(fmt, 1, 1);
187 wxString expected(fmt);
188 expected.Replace("%i", "1");
189 CPPUNIT_ASSERT_EQUAL( expected, s );
190 #endif // wxUSE_UNICODE
191 }
192
193 void StringTestCase::Constructors()
194 {
195 CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
196 CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
197 CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
198 CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
199 CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
200
201 #if wxUSE_UNICODE
202 CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
203 CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
204 CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
205 CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
206 CPPUNIT_ASSERT_EQUAL( L"Hello", wxString(L"Hello", 5) );
207 #endif // wxUSE_UNICODE
208
209 CPPUNIT_ASSERT_EQUAL( 0, wxString(wxString(), 17).length() );
210
211 #if wxUSE_UNICODE_UTF8
212 // This string has 3 characters (<h>, <e'> and <l>), not 4 when using UTF-8
213 // locale!
214 if ( wxConvLibc.IsUTF8() )
215 {
216 wxString s3("h\xc3\xa9llo", 4);
217 CPPUNIT_ASSERT_EQUAL( 3, s3.length() );
218 CPPUNIT_ASSERT_EQUAL( 'l', (char)s3[2] );
219 }
220 #endif // wxUSE_UNICODE_UTF8
221
222
223 static const char *s = "?really!";
224 const char *start = wxStrchr(s, 'r');
225 const char *end = wxStrchr(s, '!');
226 CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
227
228 // test if creating string from NULL C pointer works:
229 CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
230 }
231
232 void StringTestCase::StaticConstructors()
233 {
234 CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
235 CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
236 CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
237 CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
238 CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
239
240 // FIXME: this doesn't work currently but should!
241 //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );
242
243
244 CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
245 CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
246 CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
247 CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
248 CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
249
250 CPPUNIT_ASSERT_EQUAL( 2, wxString::FromUTF8("h\xc3\xa9llo", 3).length() );
251
252
253 //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromUTF8("", 1).length() );
254 }
255
256 void StringTestCase::Extraction()
257 {
258 wxString s(wxT("Hello, world!"));
259
260 CPPUNIT_ASSERT( wxStrcmp( s.c_str() , wxT("Hello, world!") ) == 0 );
261 CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , wxT("Hello") ) == 0 );
262 CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , wxT("world!") ) == 0 );
263 CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , wxT("lo, w") ) == 0 );
264 CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , wxT("lo, world!") ) == 0 );
265 CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , wxT("lo, w") ) == 0 );
266 CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , wxT("lo, world!") ) == 0 );
267
268 #if wxUSE_UNICODE
269 static const char *germanUTF8 = "Oberfl\303\244che";
270 wxString strUnicode(wxString::FromUTF8(germanUTF8));
271
272 CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
273 CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
274 #endif // wxUSE_UNICODE
275
276 wxString rest;
277
278 #define TEST_STARTS_WITH(prefix, correct_rest, result) \
279 CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest)); \
280 if ( result ) \
281 CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
282
283 TEST_STARTS_WITH( wxT("Hello"), wxT(", world!"), true );
284 TEST_STARTS_WITH( wxT("Hello, "), wxT("world!"), true );
285 TEST_STARTS_WITH( wxT("Hello, world!"), wxT(""), true );
286 TEST_STARTS_WITH( wxT("Hello, world!!!"), wxT(""), false );
287 TEST_STARTS_WITH( wxT(""), wxT("Hello, world!"), true );
288 TEST_STARTS_WITH( wxT("Goodbye"), wxT(""), false );
289 TEST_STARTS_WITH( wxT("Hi"), wxT(""), false );
290
291 #undef TEST_STARTS_WITH
292
293 rest = "Hello world";
294 CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
295 CPPUNIT_ASSERT_EQUAL("world", rest);
296
297 #define TEST_ENDS_WITH(suffix, correct_rest, result) \
298 CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest)); \
299 if ( result ) \
300 CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
301
302 TEST_ENDS_WITH( wxT(""), wxT("Hello, world!"), true );
303 TEST_ENDS_WITH( wxT("!"), wxT("Hello, world"), true );
304 TEST_ENDS_WITH( wxT(", world!"), wxT("Hello"), true );
305 TEST_ENDS_WITH( wxT("ello, world!"), wxT("H"), true );
306 TEST_ENDS_WITH( wxT("Hello, world!"), wxT(""), true );
307 TEST_ENDS_WITH( wxT("very long string"), wxT(""), false );
308 TEST_ENDS_WITH( wxT("?"), wxT(""), false );
309 TEST_ENDS_WITH( wxT("Hello, world"), wxT(""), false );
310 TEST_ENDS_WITH( wxT("Gello, world!"), wxT(""), false );
311
312 #undef TEST_ENDS_WITH
313 }
314
315 void StringTestCase::Trim()
316 {
317 #define TEST_TRIM( str , dir , result ) \
318 CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
319
320 TEST_TRIM( wxT(" Test "), true, wxT(" Test") );
321 TEST_TRIM( wxT(" "), true, wxT("") );
322 TEST_TRIM( wxT(" "), true, wxT("") );
323 TEST_TRIM( wxT(""), true, wxT("") );
324
325 TEST_TRIM( wxT(" Test "), false, wxT("Test ") );
326 TEST_TRIM( wxT(" "), false, wxT("") );
327 TEST_TRIM( wxT(" "), false, wxT("") );
328 TEST_TRIM( wxT(""), false, wxT("") );
329
330 #undef TEST_TRIM
331 }
332
333 void StringTestCase::Find()
334 {
335 #define TEST_FIND( str , start , result ) \
336 CPPUNIT_ASSERT( wxString(str).find(wxT("ell"), start) == result );
337
338 TEST_FIND( wxT("Well, hello world"), 0, 1 );
339 TEST_FIND( wxT("Well, hello world"), 6, 7 );
340 TEST_FIND( wxT("Well, hello world"), 9, wxString::npos );
341
342 #undef TEST_FIND
343 }
344
345 void StringTestCase::Replace()
346 {
347 #define TEST_REPLACE( original , pos , len , replacement , result ) \
348 { \
349 wxString s = original; \
350 s.replace( pos , len , replacement ); \
351 CPPUNIT_ASSERT_EQUAL( result, s ); \
352 }
353
354 TEST_REPLACE( wxT("012-AWORD-XYZ"), 4, 5, wxT("BWORD"), wxT("012-BWORD-XYZ") );
355 TEST_REPLACE( wxT("increase"), 0, 2, wxT("de"), wxT("decrease") );
356 TEST_REPLACE( wxT("wxWindow"), 8, 0, wxT("s"), wxT("wxWindows") );
357 TEST_REPLACE( wxT("foobar"), 3, 0, wxT("-"), wxT("foo-bar") );
358 TEST_REPLACE( wxT("barfoo"), 0, 6, wxT("foobar"), wxT("foobar") );
359
360
361 #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
362 { \
363 wxString s(o,olen); \
364 s.replace( pos , len , replacement ); \
365 CPPUNIT_ASSERT_EQUAL( wxString(r,rlen), s ); \
366 }
367
368 TEST_NULLCHARREPLACE( wxT("null\0char"), 9, 5, 1, wxT("d"),
369 wxT("null\0dhar"), 9 );
370
371 #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
372 { \
373 wxString s(o,olen); \
374 s.Replace( olds, news, all ); \
375 CPPUNIT_ASSERT_EQUAL( wxString(r,rlen), s ); \
376 }
377
378 TEST_WXREPLACE( wxT("null\0char"), 9, wxT("c"), wxT("de"), true,
379 wxT("null\0dehar"), 10 );
380
381 TEST_WXREPLACE( wxT("null\0dehar"), 10, wxT("de"), wxT("c"), true,
382 wxT("null\0char"), 9 );
383
384 TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
385 TEST_WXREPLACE( "life", 4, "f", "", true, "lie", 3 );
386 TEST_WXREPLACE( "life", 4, "fe", "ve", true, "live", 4 );
387 TEST_WXREPLACE( "xx", 2, "x", "yy", true, "yyyy", 4 );
388 TEST_WXREPLACE( "xxx", 3, "xx", "z", true, "zx", 2 );
389
390 #undef TEST_WXREPLACE
391 #undef TEST_NULLCHARREPLACE
392 #undef TEST_REPLACE
393 }
394
395 void StringTestCase::Match()
396 {
397 #define TEST_MATCH( s1 , s2 , result ) \
398 CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
399
400 TEST_MATCH( "foobar", "foo*", true );
401 TEST_MATCH( "foobar", "*oo*", true );
402 TEST_MATCH( "foobar", "*bar", true );
403 TEST_MATCH( "foobar", "??????", true );
404 TEST_MATCH( "foobar", "f??b*", true );
405 TEST_MATCH( "foobar", "f?b*", false );
406 TEST_MATCH( "foobar", "*goo*", false );
407 TEST_MATCH( "foobar", "*foo", false );
408 TEST_MATCH( "foobarfoo", "*foo", true );
409 TEST_MATCH( "", "*", true );
410 TEST_MATCH( "", "?", false );
411
412 #undef TEST_MATCH
413 }
414
415
416 void StringTestCase::CaseChanges()
417 {
418 wxString s1(wxT("Hello!"));
419 wxString s1u(s1);
420 wxString s1l(s1);
421 s1u.MakeUpper();
422 s1l.MakeLower();
423
424 CPPUNIT_ASSERT_EQUAL( wxT("HELLO!"), s1u );
425 CPPUNIT_ASSERT_EQUAL( wxT("hello!"), s1l );
426
427 wxString s2u, s2l;
428 s2u.MakeUpper();
429 s2l.MakeLower();
430
431 CPPUNIT_ASSERT_EQUAL( "", s2u );
432 CPPUNIT_ASSERT_EQUAL( "", s2l );
433
434
435 wxString s3("good bye");
436 CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
437 s3.MakeCapitalized();
438 CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );
439
440 CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
441
442 CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );
443 }
444
445 void StringTestCase::Compare()
446 {
447 wxString s1 = wxT("AHH");
448 wxString eq = wxT("AHH");
449 wxString neq1 = wxT("HAH");
450 wxString neq2 = wxT("AH");
451 wxString neq3 = wxT("AHHH");
452 wxString neq4 = wxT("AhH");
453
454 CPPUNIT_ASSERT( s1 == eq );
455 CPPUNIT_ASSERT( s1 != neq1 );
456 CPPUNIT_ASSERT( s1 != neq2 );
457 CPPUNIT_ASSERT( s1 != neq3 );
458 CPPUNIT_ASSERT( s1 != neq4 );
459
460 CPPUNIT_ASSERT( s1 == wxT("AHH") );
461 CPPUNIT_ASSERT( s1 != wxT("no") );
462 CPPUNIT_ASSERT( s1 < wxT("AZ") );
463 CPPUNIT_ASSERT( s1 <= wxT("AZ") );
464 CPPUNIT_ASSERT( s1 <= wxT("AHH") );
465 CPPUNIT_ASSERT( s1 > wxT("AA") );
466 CPPUNIT_ASSERT( s1 >= wxT("AA") );
467 CPPUNIT_ASSERT( s1 >= wxT("AHH") );
468
469 // test comparison with C strings in Unicode build (must work in ANSI as
470 // well, of course):
471 CPPUNIT_ASSERT( s1 == "AHH" );
472 CPPUNIT_ASSERT( s1 != "no" );
473 CPPUNIT_ASSERT( s1 < "AZ" );
474 CPPUNIT_ASSERT( s1 <= "AZ" );
475 CPPUNIT_ASSERT( s1 <= "AHH" );
476 CPPUNIT_ASSERT( s1 > "AA" );
477 CPPUNIT_ASSERT( s1 >= "AA" );
478 CPPUNIT_ASSERT( s1 >= "AHH" );
479
480 // wxString _s1 = wxT("A\0HH");
481 // wxString _eq = wxT("A\0HH");
482 // wxString _neq1 = wxT("H\0AH");
483 // wxString _neq2 = wxT("A\0H");
484 // wxString _neq3 = wxT("A\0HHH");
485 // wxString _neq4 = wxT("A\0hH");
486 s1.insert(1,1,'\0');
487 eq.insert(1,1,'\0');
488 neq1.insert(1,1,'\0');
489 neq2.insert(1,1,'\0');
490 neq3.insert(1,1,'\0');
491 neq4.insert(1,1,'\0');
492
493 CPPUNIT_ASSERT( s1 == eq );
494 CPPUNIT_ASSERT( s1 != neq1 );
495 CPPUNIT_ASSERT( s1 != neq2 );
496 CPPUNIT_ASSERT( s1 != neq3 );
497 CPPUNIT_ASSERT( s1 != neq4 );
498
499 CPPUNIT_ASSERT( wxString("\n").Cmp(" ") < 0 );
500 CPPUNIT_ASSERT( wxString("'").Cmp("!") > 0 );
501 CPPUNIT_ASSERT( wxString("!").Cmp("z") < 0 );
502 }
503
504 void StringTestCase::CompareNoCase()
505 {
506 wxString s1 = wxT("AHH");
507 wxString eq = wxT("AHH");
508 wxString eq2 = wxT("AhH");
509 wxString eq3 = wxT("ahh");
510 wxString neq = wxT("HAH");
511 wxString neq2 = wxT("AH");
512 wxString neq3 = wxT("AHHH");
513
514 #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
515 #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
516
517 CPPUNIT_CNCEQ_ASSERT( s1, eq );
518 CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
519 CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
520
521 CPPUNIT_CNCNEQ_ASSERT( s1, neq );
522 CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
523 CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
524
525
526 // wxString _s1 = wxT("A\0HH");
527 // wxString _eq = wxT("A\0HH");
528 // wxString _eq2 = wxT("A\0hH");
529 // wxString _eq3 = wxT("a\0hh");
530 // wxString _neq = wxT("H\0AH");
531 // wxString _neq2 = wxT("A\0H");
532 // wxString _neq3 = wxT("A\0HHH");
533
534 s1.insert(1,1,'\0');
535 eq.insert(1,1,'\0');
536 eq2.insert(1,1,'\0');
537 eq3.insert(1,1,'\0');
538 neq.insert(1,1,'\0');
539 neq2.insert(1,1,'\0');
540 neq3.insert(1,1,'\0');
541
542 CPPUNIT_CNCEQ_ASSERT( s1, eq );
543 CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
544 CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
545
546 CPPUNIT_CNCNEQ_ASSERT( s1, neq );
547 CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
548 CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
549
550 CPPUNIT_ASSERT( wxString("\n").CmpNoCase(" ") < 0 );
551 CPPUNIT_ASSERT( wxString("'").CmpNoCase("!") > 0);
552 CPPUNIT_ASSERT( wxString("!").Cmp("Z") < 0 );
553 }
554
555 void StringTestCase::Contains()
556 {
557 static const struct ContainsData
558 {
559 const wxChar *hay;
560 const wxChar *needle;
561 bool contains;
562 } containsData[] =
563 {
564 { wxT(""), wxT(""), true },
565 { wxT(""), wxT("foo"), false },
566 { wxT("foo"), wxT(""), true },
567 { wxT("foo"), wxT("f"), true },
568 { wxT("foo"), wxT("o"), true },
569 { wxT("foo"), wxT("oo"), true },
570 { wxT("foo"), wxT("ooo"), false },
571 { wxT("foo"), wxT("oooo"), false },
572 { wxT("foo"), wxT("fooo"), false },
573 };
574
575 for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
576 {
577 const ContainsData& cd = containsData[n];
578 CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
579 }
580 }
581
582 // flags used in ToLongData.flags
583 enum
584 {
585 Number_Ok = 0,
586 Number_Invalid = 1,
587 Number_Unsigned = 2, // if not specified, works for signed conversion
588 Number_Signed = 4, // if not specified, works for unsigned
589 Number_LongLong = 8, // only for long long tests
590 Number_Long = 16 // only for long tests
591 };
592
593 static const struct ToLongData
594 {
595 const wxChar *str;
596 #ifdef wxLongLong_t
597 wxLongLong_t value;
598 #else
599 long value;
600 #endif // wxLongLong_t
601 int flags;
602 int base;
603
604 long LValue() const { return value; }
605 unsigned long ULValue() const { return value; }
606 #ifdef wxLongLong_t
607 wxLongLong_t LLValue() const { return value; }
608 wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
609 #endif // wxLongLong_t
610
611 bool IsOk() const { return !(flags & Number_Invalid); }
612 } longData[] =
613 {
614 { wxT("1"), 1, Number_Ok },
615 { wxT("0"), 0, Number_Ok },
616 { wxT("a"), 0, Number_Invalid },
617 { wxT("12345"), 12345, Number_Ok },
618 { wxT("--1"), 0, Number_Invalid },
619
620 { wxT("-1"), -1, Number_Signed | Number_Long },
621 // this is surprising but consistent with strtoul() behaviour
622 { wxT("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
623
624 // this must overflow, even with 64 bit long
625 { wxT("922337203685477580711"), 0, Number_Invalid },
626
627 #ifdef wxLongLong_t
628 { wxT("2147483648"), wxLL(2147483648), Number_LongLong },
629 { wxT("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
630 { wxT("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
631 Number_Unsigned },
632 #endif // wxLongLong_t
633
634 // Base tests.
635 { wxT("010"), 10, Number_Ok, 10 },
636 { wxT("010"), 8, Number_Ok, 0 },
637 { wxT("010"), 8, Number_Ok, 8 },
638 { wxT("010"), 16, Number_Ok, 16 },
639
640 { wxT("0010"), 10, Number_Ok, 10 },
641 { wxT("0010"), 8, Number_Ok, 0 },
642 { wxT("0010"), 8, Number_Ok, 8 },
643 { wxT("0010"), 16, Number_Ok, 16 },
644
645 { wxT("0x11"), 0, Number_Invalid, 10 },
646 { wxT("0x11"), 17, Number_Ok, 0 },
647 { wxT("0x11"), 0, Number_Invalid, 8 },
648 { wxT("0x11"), 17, Number_Ok, 16 },
649 };
650
651 void StringTestCase::ToLong()
652 {
653 long l;
654 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
655 {
656 const ToLongData& ld = longData[n];
657
658 if ( ld.flags & (Number_LongLong | Number_Unsigned) )
659 continue;
660
661 // NOTE: unless you're using some exotic locale, ToCLong and ToLong
662 // should behave the same for our test data set:
663
664 CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
665 wxString(ld.str).ToCLong(&l, ld.base) );
666 if ( ld.IsOk() )
667 CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
668
669 CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
670 wxString(ld.str).ToLong(&l, ld.base) );
671 if ( ld.IsOk() )
672 CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
673 }
674
675 // special case: check that the output is not modified if the parsing
676 // failed completely
677 l = 17;
678 CPPUNIT_ASSERT( !wxString("foo").ToLong(&l) );
679 CPPUNIT_ASSERT_EQUAL( 17, l );
680
681 // also check that it is modified if we did parse something successfully in
682 // the beginning of the string
683 CPPUNIT_ASSERT( !wxString("9 cats").ToLong(&l) );
684 CPPUNIT_ASSERT_EQUAL( 9, l );
685 }
686
687 void StringTestCase::ToULong()
688 {
689 unsigned long ul;
690 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
691 {
692 const ToLongData& ld = longData[n];
693
694 if ( ld.flags & (Number_LongLong | Number_Signed) )
695 continue;
696
697 // NOTE: unless you're using some exotic locale, ToCLong and ToLong
698 // should behave the same for our test data set:
699
700 CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
701 wxString(ld.str).ToCULong(&ul, ld.base) );
702 if ( ld.IsOk() )
703 CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
704
705 CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
706 wxString(ld.str).ToULong(&ul, ld.base) );
707 if ( ld.IsOk() )
708 CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
709 }
710 }
711
712 #ifdef wxLongLong_t
713
714 void StringTestCase::ToLongLong()
715 {
716 wxLongLong_t l;
717 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
718 {
719 const ToLongData& ld = longData[n];
720
721 if ( ld.flags & (Number_Long | Number_Unsigned) )
722 continue;
723
724 CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
725 wxString(ld.str).ToLongLong(&l, ld.base) );
726 if ( ld.IsOk() )
727 CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
728 }
729 }
730
731 void StringTestCase::ToULongLong()
732 {
733 wxULongLong_t ul;
734 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
735 {
736 const ToLongData& ld = longData[n];
737
738 if ( ld.flags & (Number_Long | Number_Signed) )
739 continue;
740
741 CPPUNIT_ASSERT_EQUAL( ld.IsOk(),
742 wxString(ld.str).ToULongLong(&ul, ld.base) );
743 if ( ld.IsOk() )
744 CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
745 }
746 }
747
748 #endif // wxLongLong_t
749
750 void StringTestCase::ToDouble()
751 {
752 double d;
753 static const struct ToDoubleData
754 {
755 const wxChar *str;
756 double value;
757 bool ok;
758 } doubleData[] =
759 {
760 { wxT("1"), 1, true },
761 { wxT("1.23"), 1.23, true },
762 { wxT(".1"), .1, true },
763 { wxT("1."), 1, true },
764 { wxT("1.."), 0, false },
765 { wxT("0"), 0, true },
766 { wxT("a"), 0, false },
767 { wxT("12345"), 12345, true },
768 { wxT("-1"), -1, true },
769 { wxT("--1"), 0, false },
770 { wxT("-3E-5"), -3E-5, true },
771 { wxT("-3E-abcde5"), 0, false },
772 };
773
774 // test ToCDouble() first:
775
776 size_t n;
777 for ( n = 0; n < WXSIZEOF(doubleData); n++ )
778 {
779 const ToDoubleData& ld = doubleData[n];
780 CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToCDouble(&d) );
781 if ( ld.ok )
782 CPPUNIT_ASSERT_EQUAL( ld.value, d );
783 }
784
785
786 // test ToDouble() now:
787 // NOTE: for the test to be reliable, we need to set the locale explicitly
788 // so that we know the decimal point character to use
789
790 if (!wxLocale::IsAvailable(wxLANGUAGE_FRENCH))
791 return; // you should have french support installed to continue this test!
792
793 wxLocale locale;
794
795 // don't load default catalog, it may be unavailable:
796 CPPUNIT_ASSERT( locale.Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT) );
797
798 static const struct ToDoubleData doubleData2[] =
799 {
800 { wxT("1"), 1, true },
801 { wxT("1,23"), 1.23, true },
802 { wxT(",1"), .1, true },
803 { wxT("1,"), 1, true },
804 { wxT("1,,"), 0, false },
805 { wxT("0"), 0, true },
806 { wxT("a"), 0, false },
807 { wxT("12345"), 12345, true },
808 { wxT("-1"), -1, true },
809 { wxT("--1"), 0, false },
810 { wxT("-3E-5"), -3E-5, true },
811 { wxT("-3E-abcde5"), 0, false },
812 };
813
814 for ( n = 0; n < WXSIZEOF(doubleData2); n++ )
815 {
816 const ToDoubleData& ld = doubleData2[n];
817 CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
818 if ( ld.ok )
819 CPPUNIT_ASSERT_EQUAL( ld.value, d );
820 }
821 }
822
823 void StringTestCase::FromDouble()
824 {
825 static const struct FromDoubleTestData
826 {
827 double value;
828 int prec;
829 const char *str;
830 } testData[] =
831 {
832 { 1.23, -1, "1.23" },
833 // NB: there are no standards about the minimum exponent width
834 // and newer MSVC versions use 3 digits as minimum exponent
835 // width while GNU libc uses 2 digits as minimum width...
836 #ifdef wxUSING_VC_CRT_IO
837 { -3e-10, -1, "-3e-010" },
838 #else
839 { -3e-10, -1, "-3e-10" },
840 #endif
841 { -0.45678, -1, "-0.45678" },
842 { 1.2345678, 0, "1" },
843 { 1.2345678, 1, "1.2" },
844 { 1.2345678, 2, "1.23" },
845 { 1.2345678, 3, "1.235" },
846 };
847
848 for ( unsigned n = 0; n < WXSIZEOF(testData); n++ )
849 {
850 const FromDoubleTestData& td = testData[n];
851 CPPUNIT_ASSERT_EQUAL( td.str, wxString::FromCDouble(td.value, td.prec) );
852 }
853
854 if ( !wxLocale::IsAvailable(wxLANGUAGE_FRENCH) )
855 return;
856
857 wxLocale locale;
858 CPPUNIT_ASSERT( locale.Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT) );
859
860 for ( unsigned m = 0; m < WXSIZEOF(testData); m++ )
861 {
862 const FromDoubleTestData& td = testData[m];
863
864 wxString str(td.str);
865 str.Replace(".", ",");
866 CPPUNIT_ASSERT_EQUAL( str, wxString::FromDouble(td.value, td.prec) );
867 }
868 }
869
870 void StringTestCase::StringBuf()
871 {
872 // check that buffer can be used to write into the string
873 wxString s;
874 wxStrcpy(wxStringBuffer(s, 10), wxT("foo"));
875
876 CPPUNIT_ASSERT_EQUAL(3, s.length());
877 CPPUNIT_ASSERT(wxT('f') == s[0u]);
878 CPPUNIT_ASSERT(wxT('o') == s[1]);
879 CPPUNIT_ASSERT(wxT('o') == s[2]);
880
881 {
882 // also check that the buffer initially contains the original string
883 // contents
884 wxStringBuffer buf(s, 10);
885 CPPUNIT_ASSERT_EQUAL( wxT('f'), buf[0] );
886 CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[1] );
887 CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[2] );
888 CPPUNIT_ASSERT_EQUAL( wxT('\0'), buf[3] );
889 }
890
891 {
892 wxStringBufferLength buf(s, 10);
893 CPPUNIT_ASSERT_EQUAL( wxT('f'), buf[0] );
894 CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[1] );
895 CPPUNIT_ASSERT_EQUAL( wxT('o'), buf[2] );
896 CPPUNIT_ASSERT_EQUAL( wxT('\0'), buf[3] );
897
898 // and check that it can be used to write only the specified number of
899 // characters to the string
900 wxStrcpy(buf, wxT("barrbaz"));
901 buf.SetLength(4);
902 }
903
904 CPPUNIT_ASSERT_EQUAL(4, s.length());
905 CPPUNIT_ASSERT(wxT('b') == s[0u]);
906 CPPUNIT_ASSERT(wxT('a') == s[1]);
907 CPPUNIT_ASSERT(wxT('r') == s[2]);
908 CPPUNIT_ASSERT(wxT('r') == s[3]);
909
910 // check that creating buffer of length smaller than string works, i.e. at
911 // least doesn't crash (it would if we naively copied the entire original
912 // string contents in the buffer)
913 *wxStringBuffer(s, 1) = '!';
914 }
915
916 void StringTestCase::UTF8Buf()
917 {
918 #if wxUSE_UNICODE
919 // "czech" in Czech ("cestina"):
920 static const char *textUTF8 = "\304\215e\305\241tina";
921 static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
922
923 wxString s;
924 wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
925 CPPUNIT_ASSERT(s == textUTF16);
926
927 {
928 wxUTF8StringBufferLength buf(s, 20);
929 wxStrcpy(buf, textUTF8);
930 buf.SetLength(5);
931 }
932 CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
933 #endif // wxUSE_UNICODE
934 }
935
936
937
938 void StringTestCase::CStrDataTernaryOperator()
939 {
940 DoCStrDataTernaryOperator(true);
941 DoCStrDataTernaryOperator(false);
942 }
943
944 template<typename T> bool CheckStr(const wxString& expected, T s)
945 {
946 return expected == wxString(s);
947 }
948
949 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
950 {
951 // test compilation of wxCStrData when used with operator?: (the asserts
952 // are not very important, we're testing if the code compiles at all):
953
954 wxString s("foo");
955
956 const wchar_t *wcStr = L"foo";
957 CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
958 CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
959 CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
960 CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
961
962 const char *mbStr = "foo";
963 CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
964 CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
965 CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
966 CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
967
968 wxString empty("");
969 CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
970 CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
971 }
972
973 void StringTestCase::CStrDataOperators()
974 {
975 wxString s("hello");
976
977 CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
978 CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
979
980 // IMPORTANT: at least with the CRT coming with MSVC++ 2008 trying to access
981 // the final character results in an assert failure (with debug CRT)
982 //CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
983
984 CPPUNIT_ASSERT( *s.c_str() == 'h' );
985 CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
986 //CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
987 }
988
989 bool CheckStrChar(const wxString& expected, char *s)
990 { return CheckStr(expected, s); }
991 bool CheckStrWChar(const wxString& expected, wchar_t *s)
992 { return CheckStr(expected, s); }
993 bool CheckStrConstChar(const wxString& expected, const char *s)
994 { return CheckStr(expected, s); }
995 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
996 { return CheckStr(expected, s); }
997
998 void StringTestCase::CStrDataImplicitConversion()
999 {
1000 wxString s("foo");
1001
1002 CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
1003 CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
1004
1005 // implicit conversion of wxString is not available in STL build
1006 #if !wxUSE_STL
1007 CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
1008 CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
1009 #endif
1010 }
1011
1012 void StringTestCase::ExplicitConversion()
1013 {
1014 wxString s("foo");
1015
1016 CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
1017 CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
1018 CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
1019
1020 CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
1021 CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
1022 CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
1023 }
1024
1025 void StringTestCase::IndexedAccess()
1026 {
1027 wxString s("bar");
1028 CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
1029
1030 // this tests for a possible bug in UTF-8 based wxString implementation:
1031 // the 3rd character of the underlying byte string is going to change, but
1032 // the 3rd character of wxString should remain the same
1033 s[0] = L'\xe9';
1034 CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
1035 }
1036
1037 void StringTestCase::BeforeAndAfter()
1038 {
1039 // Construct a string with 2 equal signs in it by concatenating its three
1040 // parts: before the first "=", in between the two "="s and after the last
1041 // one. This allows to avoid duplicating the string contents (which has to
1042 // be different for Unicode and ANSI builds) in the tests below.
1043 #if wxUSE_UNICODE
1044 #define FIRST_PART L"letter"
1045 #define MIDDLE_PART L"\xe9;\xe7a"
1046 #define LAST_PART L"l\xe0"
1047 #else // !wxUSE_UNICODE
1048 #define FIRST_PART "letter"
1049 #define MIDDLE_PART "e;ca"
1050 #define LAST_PART "la"
1051 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
1052
1053 const wxString s(FIRST_PART wxT("=") MIDDLE_PART wxT("=") LAST_PART);
1054
1055 wxString r;
1056
1057 CPPUNIT_ASSERT_EQUAL( FIRST_PART, s.BeforeFirst('=', &r) );
1058 CPPUNIT_ASSERT_EQUAL( MIDDLE_PART wxT("=") LAST_PART, r );
1059
1060 CPPUNIT_ASSERT_EQUAL( s, s.BeforeFirst('!', &r) );
1061 CPPUNIT_ASSERT_EQUAL( "", r );
1062
1063
1064 CPPUNIT_ASSERT_EQUAL( FIRST_PART wxT("=") MIDDLE_PART, s.BeforeLast('=', &r) );
1065 CPPUNIT_ASSERT_EQUAL( LAST_PART, r );
1066
1067 CPPUNIT_ASSERT_EQUAL( "", s.BeforeLast('!', &r) );
1068 CPPUNIT_ASSERT_EQUAL( s, r );
1069
1070
1071 CPPUNIT_ASSERT_EQUAL( MIDDLE_PART wxT("=") LAST_PART, s.AfterFirst('=') );
1072 CPPUNIT_ASSERT_EQUAL( "", s.AfterFirst('!') );
1073
1074
1075 CPPUNIT_ASSERT_EQUAL( LAST_PART, s.AfterLast('=') );
1076 CPPUNIT_ASSERT_EQUAL( s, s.AfterLast('!') );
1077
1078 #undef LAST_PART
1079 #undef MIDDLE_PART
1080 #undef FIRST_PART
1081 }
1082
1083 void StringTestCase::ScopedBuffers()
1084 {
1085 // wxString relies on efficient buffers, verify they work as they should
1086
1087 const char *literal = "Hello World!";
1088
1089 // non-owned buffer points to the string passed to it
1090 wxScopedCharBuffer sbuf = wxScopedCharBuffer::CreateNonOwned(literal);
1091 CPPUNIT_ASSERT( sbuf.data() == literal );
1092
1093 // a copy of scoped non-owned buffer still points to the same string
1094 wxScopedCharBuffer sbuf2(sbuf);
1095 CPPUNIT_ASSERT( sbuf.data() == sbuf2.data() );
1096
1097 // but assigning it to wxCharBuffer makes a full copy
1098 wxCharBuffer buf(sbuf);
1099 CPPUNIT_ASSERT( buf.data() != literal );
1100 CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
1101
1102 wxCharBuffer buf2 = sbuf;
1103 CPPUNIT_ASSERT( buf2.data() != literal );
1104 CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
1105
1106 // Check that extending the buffer keeps it NUL-terminated.
1107 size_t len = 10;
1108
1109 wxCharBuffer buf3(len);
1110 CPPUNIT_ASSERT_EQUAL('\0', buf3.data()[len]);
1111
1112 wxCharBuffer buf4;
1113 buf4.extend(len);
1114 CPPUNIT_ASSERT_EQUAL('\0', buf4.data()[len]);
1115
1116 wxCharBuffer buf5(5);
1117 buf5.extend(len);
1118 CPPUNIT_ASSERT_EQUAL('\0', buf5.data()[len]);
1119 }
wxWidgets (Impactor)