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