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