allow creating wxString from char*, assigning to it from char* and comparing with...
[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( Extraction );
40 CPPUNIT_TEST( Trim );
41 CPPUNIT_TEST( Find );
42 CPPUNIT_TEST( Replace );
43 CPPUNIT_TEST( Match );
44 CPPUNIT_TEST( CaseChanges );
45 CPPUNIT_TEST( Compare );
46 CPPUNIT_TEST( CompareNoCase );
47 CPPUNIT_TEST( Contains );
48 CPPUNIT_TEST( ToLong );
49 CPPUNIT_TEST( ToULong );
50 #ifdef wxLongLong_t
51 CPPUNIT_TEST( ToLongLong );
52 CPPUNIT_TEST( ToULongLong );
53 #endif // wxLongLong_t
54 CPPUNIT_TEST( ToDouble );
55 CPPUNIT_TEST( WriteBuf );
56 CPPUNIT_TEST_SUITE_END();
57
58 void String();
59 void PChar();
60 void Format();
61 void Constructors();
62 void Extraction();
63 void Trim();
64 void Find();
65 void Replace();
66 void Match();
67 void CaseChanges();
68 void Compare();
69 void CompareNoCase();
70 void Contains();
71 void ToLong();
72 void ToULong();
73 #ifdef wxLongLong_t
74 void ToLongLong();
75 void ToULongLong();
76 #endif // wxLongLong_t
77 void ToDouble();
78 void WriteBuf();
79
80 DECLARE_NO_COPY_CLASS(StringTestCase)
81 };
82
83 // register in the unnamed registry so that these tests are run by default
84 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
85
86 // also include in it's own registry so that these tests can be run alone
87 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
88
89 StringTestCase::StringTestCase()
90 {
91 }
92
93 void StringTestCase::String()
94 {
95 wxString a, b, c;
96
97 a.reserve (128);
98 b.reserve (128);
99 c.reserve (128);
100
101 for (int i = 0; i < 2; ++i)
102 {
103 a = _T("Hello");
104 b = _T(" world");
105 c = _T("! How'ya doin'?");
106 a += b;
107 a += c;
108 c = _T("Hello world! What's up?");
109 CPPUNIT_ASSERT( c != a );
110 }
111 }
112
113 void StringTestCase::PChar()
114 {
115 wxChar a [128];
116 wxChar b [128];
117 wxChar c [128];
118
119 for (int i = 0; i < 2; ++i)
120 {
121 wxStrcpy (a, _T("Hello"));
122 wxStrcpy (b, _T(" world"));
123 wxStrcpy (c, _T("! How'ya doin'?"));
124 wxStrcat (a, b);
125 wxStrcat (a, c);
126 wxStrcpy (c, _T("Hello world! What's up?"));
127 CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
128 }
129 }
130
131 void StringTestCase::Format()
132 {
133 wxString s1,s2;
134 s1.Printf(_T("%03d"), 18);
135 CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
136 s2.Printf(_T("Number 18: %s\n"), s1.c_str());
137 CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
138
139 static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
140 for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
141 {
142 const size_t len = lengths[n];
143
144 wxString s(_T('Z'), len);
145 CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
146 }
147 }
148
149 void StringTestCase::Constructors()
150 {
151 #define TEST_CTOR(args, res) \
152 { \
153 wxString s args ; \
154 CPPUNIT_ASSERT( s == res ); \
155 }
156
157 TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
158 TEST_CTOR((_T("Hello"), 4), _T("Hell"));
159 TEST_CTOR((_T("Hello"), 5), _T("Hello"));
160
161 static const wxChar *s = _T("?really!");
162 const wxChar *start = wxStrchr(s, _T('r'));
163 const wxChar *end = wxStrchr(s, _T('!'));
164 TEST_CTOR((start, end), _T("really"));
165 }
166
167
168 void StringTestCase::Extraction()
169 {
170 wxString s(_T("Hello, world!"));
171
172 CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
173 CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
174 CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
175 CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
176 CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
177 CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
178 CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
179
180 wxString rest;
181
182 #define TEST_STARTS_WITH(prefix, correct_rest, result) \
183 CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest)); \
184 if ( result ) \
185 CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
186
187 TEST_STARTS_WITH( _T("Hello"), _T(", world!"), true );
188 TEST_STARTS_WITH( _T("Hello, "), _T("world!"), true );
189 TEST_STARTS_WITH( _T("Hello, world!"), _T(""), true );
190 TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""), false );
191 TEST_STARTS_WITH( _T(""), _T("Hello, world!"), true );
192 TEST_STARTS_WITH( _T("Goodbye"), _T(""), false );
193 TEST_STARTS_WITH( _T("Hi"), _T(""), false );
194
195 #undef TEST_STARTS_WITH
196
197 #define TEST_ENDS_WITH(suffix, correct_rest, result) \
198 CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest)); \
199 if ( result ) \
200 CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
201
202 TEST_ENDS_WITH( _T(""), _T("Hello, world!"), true );
203 TEST_ENDS_WITH( _T("!"), _T("Hello, world"), true );
204 TEST_ENDS_WITH( _T(", world!"), _T("Hello"), true );
205 TEST_ENDS_WITH( _T("ello, world!"), _T("H"), true );
206 TEST_ENDS_WITH( _T("Hello, world!"), _T(""), true );
207 TEST_ENDS_WITH( _T("very long string"), _T(""), false );
208 TEST_ENDS_WITH( _T("?"), _T(""), false );
209 TEST_ENDS_WITH( _T("Hello, world"), _T(""), false );
210 TEST_ENDS_WITH( _T("Gello, world!"), _T(""), false );
211
212 #undef TEST_ENDS_WITH
213 }
214
215 void StringTestCase::Trim()
216 {
217 #define TEST_TRIM( str , dir , result ) \
218 CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
219
220 TEST_TRIM( _T(" Test "), true, _T(" Test") );
221 TEST_TRIM( _T(" "), true, _T("") );
222 TEST_TRIM( _T(" "), true, _T("") );
223 TEST_TRIM( _T(""), true, _T("") );
224
225 TEST_TRIM( _T(" Test "), false, _T("Test ") );
226 TEST_TRIM( _T(" "), false, _T("") );
227 TEST_TRIM( _T(" "), false, _T("") );
228 TEST_TRIM( _T(""), false, _T("") );
229
230 #undef TEST_TRIM
231 }
232
233 void StringTestCase::Find()
234 {
235 #define TEST_FIND( str , start , result ) \
236 CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
237
238 TEST_FIND( _T("Well, hello world"), 0, 1 );
239 TEST_FIND( _T("Well, hello world"), 6, 7 );
240 TEST_FIND( _T("Well, hello world"), 9, wxString::npos );
241
242 #undef TEST_FIND
243 }
244
245 void StringTestCase::Replace()
246 {
247 #define TEST_REPLACE( original , pos , len , replacement , result ) \
248 { \
249 wxString s = original; \
250 s.replace( pos , len , replacement ); \
251 CPPUNIT_ASSERT( s == result ); \
252 }
253
254 TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"), _T("012-BWORD-XYZ") );
255 TEST_REPLACE( _T("increase"), 0, 2, _T("de"), _T("decrease") );
256 TEST_REPLACE( _T("wxWindow"), 8, 0, _T("s"), _T("wxWindows") );
257 TEST_REPLACE( _T("foobar"), 3, 0, _T("-"), _T("foo-bar") );
258 TEST_REPLACE( _T("barfoo"), 0, 6, _T("foobar"), _T("foobar") );
259
260
261 #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
262 { \
263 wxString s(o,olen); \
264 s.replace( pos , len , replacement ); \
265 CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
266 }
267
268 TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
269 _T("null\0dhar"), 9 );
270
271 #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
272 { \
273 wxString s(o,olen); \
274 s.Replace( olds, news, all ); \
275 CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
276 }
277
278 TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
279 _T("null\0dehar"), 10 );
280
281 TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
282 _T("null\0char"), 9 );
283
284 #undef TEST_WXREPLACE
285 #undef TEST_NULLCHARREPLACE
286 #undef TEST_REPLACE
287 }
288
289 void StringTestCase::Match()
290 {
291 #define TEST_MATCH( s1 , s2 , result ) \
292 CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
293
294 TEST_MATCH( _T("foobar"), _T("foo*"), true );
295 TEST_MATCH( _T("foobar"), _T("*oo*"), true );
296 TEST_MATCH( _T("foobar"), _T("*bar"), true );
297 TEST_MATCH( _T("foobar"), _T("??????"), true );
298 TEST_MATCH( _T("foobar"), _T("f??b*"), true );
299 TEST_MATCH( _T("foobar"), _T("f?b*"), false );
300 TEST_MATCH( _T("foobar"), _T("*goo*"), false );
301 TEST_MATCH( _T("foobar"), _T("*foo"), false );
302 TEST_MATCH( _T("foobarfoo"), _T("*foo"), true );
303 TEST_MATCH( _T(""), _T("*"), true );
304 TEST_MATCH( _T(""), _T("?"), false );
305
306 #undef TEST_MATCH
307 }
308
309
310 void StringTestCase::CaseChanges()
311 {
312 wxString s1(_T("Hello!"));
313 wxString s1u(s1);
314 wxString s1l(s1);
315 s1u.MakeUpper();
316 s1l.MakeLower();
317 wxString s2u, s2l;
318 s2u.MakeUpper();
319 s2l.MakeLower();
320
321 CPPUNIT_ASSERT( s1u == _T("HELLO!") );
322 CPPUNIT_ASSERT( s1l == _T("hello!") );
323 CPPUNIT_ASSERT( s2u == wxEmptyString );
324 CPPUNIT_ASSERT( s2l == wxEmptyString );
325
326 #if !wxUSE_UNICODE
327 wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
328 if ( locRu.IsOk() )
329 {
330 // try upper casing 8bit strings
331 const wchar_t capital_ya[] = { 0x42f, 0 },
332 small_ya[] = { 0x44f, 0 };
333
334 wxString sUpper(wxConvLibc.cWC2MB(capital_ya)),
335 sLower(wxConvLibc.cWC2MB(small_ya));
336
337 CPPUNIT_ASSERT( sUpper.Lower() == sLower );
338 CPPUNIT_ASSERT( sLower.Upper() == sUpper );
339 }
340 #endif // !wxUSE_UNICODE
341 }
342
343 void StringTestCase::Compare()
344 {
345 wxString s1 = wxT("AHH");
346 wxString eq = wxT("AHH");
347 wxString neq1 = wxT("HAH");
348 wxString neq2 = wxT("AH");
349 wxString neq3 = wxT("AHHH");
350 wxString neq4 = wxT("AhH");
351
352 CPPUNIT_ASSERT( s1 == eq );
353 CPPUNIT_ASSERT( s1 != neq1 );
354 CPPUNIT_ASSERT( s1 != neq2 );
355 CPPUNIT_ASSERT( s1 != neq3 );
356 CPPUNIT_ASSERT( s1 != neq4 );
357
358 CPPUNIT_ASSERT( s1 == wxT("AHH") );
359 CPPUNIT_ASSERT( s1 != wxT("no") );
360 CPPUNIT_ASSERT( s1 < wxT("AZ") );
361 CPPUNIT_ASSERT( s1 <= wxT("AZ") );
362 CPPUNIT_ASSERT( s1 <= wxT("AHH") );
363 CPPUNIT_ASSERT( s1 > wxT("AA") );
364 CPPUNIT_ASSERT( s1 >= wxT("AA") );
365 CPPUNIT_ASSERT( s1 >= wxT("AHH") );
366
367 // test comparison with C strings in Unicode build (must work in ANSI as
368 // well, of course):
369 CPPUNIT_ASSERT( s1 == "AHH" );
370 CPPUNIT_ASSERT( s1 != "no" );
371 CPPUNIT_ASSERT( s1 < "AZ" );
372 CPPUNIT_ASSERT( s1 <= "AZ" );
373 CPPUNIT_ASSERT( s1 <= "AHH" );
374 CPPUNIT_ASSERT( s1 > "AA" );
375 CPPUNIT_ASSERT( s1 >= "AA" );
376 CPPUNIT_ASSERT( s1 >= "AHH" );
377
378 // wxString _s1 = wxT("A\0HH");
379 // wxString _eq = wxT("A\0HH");
380 // wxString _neq1 = wxT("H\0AH");
381 // wxString _neq2 = wxT("A\0H");
382 // wxString _neq3 = wxT("A\0HHH");
383 // wxString _neq4 = wxT("A\0hH");
384 s1.insert(1,1,'\0');
385 eq.insert(1,1,'\0');
386 neq1.insert(1,1,'\0');
387 neq2.insert(1,1,'\0');
388 neq3.insert(1,1,'\0');
389 neq4.insert(1,1,'\0');
390
391 CPPUNIT_ASSERT( s1 == eq );
392 CPPUNIT_ASSERT( s1 != neq1 );
393 CPPUNIT_ASSERT( s1 != neq2 );
394 CPPUNIT_ASSERT( s1 != neq3 );
395 CPPUNIT_ASSERT( s1 != neq4 );
396 }
397
398 void StringTestCase::CompareNoCase()
399 {
400 wxString s1 = wxT("AHH");
401 wxString eq = wxT("AHH");
402 wxString eq2 = wxT("AhH");
403 wxString eq3 = wxT("ahh");
404 wxString neq = wxT("HAH");
405 wxString neq2 = wxT("AH");
406 wxString neq3 = wxT("AHHH");
407
408 #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
409 #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
410
411 CPPUNIT_CNCEQ_ASSERT( s1, eq );
412 CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
413 CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
414
415 CPPUNIT_CNCNEQ_ASSERT( s1, neq );
416 CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
417 CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
418
419
420 // wxString _s1 = wxT("A\0HH");
421 // wxString _eq = wxT("A\0HH");
422 // wxString _eq2 = wxT("A\0hH");
423 // wxString _eq3 = wxT("a\0hh");
424 // wxString _neq = wxT("H\0AH");
425 // wxString _neq2 = wxT("A\0H");
426 // wxString _neq3 = wxT("A\0HHH");
427
428 s1.insert(1,1,'\0');
429 eq.insert(1,1,'\0');
430 eq2.insert(1,1,'\0');
431 eq3.insert(1,1,'\0');
432 neq.insert(1,1,'\0');
433 neq2.insert(1,1,'\0');
434 neq3.insert(1,1,'\0');
435
436 CPPUNIT_CNCEQ_ASSERT( s1, eq );
437 CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
438 CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
439
440 CPPUNIT_CNCNEQ_ASSERT( s1, neq );
441 CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
442 CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
443 }
444
445 void StringTestCase::Contains()
446 {
447 static const struct ContainsData
448 {
449 const wxChar *hay;
450 const wxChar *needle;
451 bool contains;
452 } containsData[] =
453 {
454 { _T(""), _T(""), true },
455 { _T(""), _T("foo"), false },
456 { _T("foo"), _T(""), true },
457 { _T("foo"), _T("f"), true },
458 { _T("foo"), _T("o"), true },
459 { _T("foo"), _T("oo"), true },
460 { _T("foo"), _T("ooo"), false },
461 { _T("foo"), _T("oooo"), false },
462 { _T("foo"), _T("fooo"), false },
463 };
464
465 for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
466 {
467 const ContainsData& cd = containsData[n];
468 CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
469 }
470 }
471
472 // flags used in ToLongData.flags
473 enum
474 {
475 Number_Ok = 0,
476 Number_Invalid = 1,
477 Number_Unsigned = 2, // if not specified, works for signed conversion
478 Number_Signed = 4, // if not specified, works for unsigned
479 Number_LongLong = 8, // only for long long tests
480 Number_Long = 16, // only for long tests
481 };
482
483 static const struct ToLongData
484 {
485 const wxChar *str;
486 #ifdef wxLongLong_t
487 wxLongLong_t value;
488 #else
489 long value;
490 #endif // wxLongLong_t
491 int flags;
492
493 long LValue() const { return value; }
494 unsigned long ULValue() const { return value; }
495 #ifdef wxLongLong_t
496 wxLongLong_t LLValue() const { return value; }
497 wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
498 #endif // wxLongLong_t
499
500 bool IsOk() const { return !(flags & Number_Invalid); }
501 } longData[] =
502 {
503 { _T("1"), 1, Number_Ok },
504 { _T("0"), 0, Number_Ok },
505 { _T("a"), 0, Number_Invalid },
506 { _T("12345"), 12345, Number_Ok },
507 { _T("--1"), 0, Number_Invalid },
508
509 { _T("-1"), -1, Number_Signed | Number_Long },
510 // this is surprizing but consistent with strtoul() behaviour
511 { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
512
513 // this must overflow, even with 64 bit long
514 { _T("922337203685477580711"), 0, Number_Invalid },
515
516 #ifdef wxLongLong_t
517 { _T("2147483648"), wxLL(2147483648), Number_LongLong },
518 { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
519 { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
520 Number_Unsigned },
521 #endif // wxLongLong_t
522 };
523
524 void StringTestCase::ToLong()
525 {
526 long l;
527 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
528 {
529 const ToLongData& ld = longData[n];
530
531 if ( ld.flags & (Number_LongLong | Number_Unsigned) )
532 continue;
533
534 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
535 if ( ld.IsOk() )
536 CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
537 }
538 }
539
540 void StringTestCase::ToULong()
541 {
542 unsigned long ul;
543 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
544 {
545 const ToLongData& ld = longData[n];
546
547 if ( ld.flags & (Number_LongLong | Number_Signed) )
548 continue;
549
550 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
551 if ( ld.IsOk() )
552 CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
553 }
554 }
555
556 #ifdef wxLongLong_t
557
558 void StringTestCase::ToLongLong()
559 {
560 wxLongLong_t l;
561 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
562 {
563 const ToLongData& ld = longData[n];
564
565 if ( ld.flags & (Number_Long | Number_Unsigned) )
566 continue;
567
568 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
569 if ( ld.IsOk() )
570 CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
571 }
572 }
573
574 void StringTestCase::ToULongLong()
575 {
576 wxULongLong_t ul;
577 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
578 {
579 const ToLongData& ld = longData[n];
580
581 if ( ld.flags & (Number_Long | Number_Signed) )
582 continue;
583
584 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
585 if ( ld.IsOk() )
586 CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
587 }
588 }
589
590 #endif // wxLongLong_t
591
592 void StringTestCase::ToDouble()
593 {
594 double d;
595 static const struct ToDoubleData
596 {
597 const wxChar *str;
598 double value;
599 bool ok;
600 } doubleData[] =
601 {
602 { _T("1"), 1, true },
603 { _T("1.23"), 1.23, true },
604 { _T(".1"), .1, true },
605 { _T("1."), 1, true },
606 { _T("1.."), 0, false },
607 { _T("0"), 0, true },
608 { _T("a"), 0, false },
609 { _T("12345"), 12345, true },
610 { _T("-1"), -1, true },
611 { _T("--1"), 0, false },
612 };
613
614 // we need to use decimal point, not comma or whatever is its value for the
615 // current locale
616 wxSetlocale(LC_ALL, _T("C"));
617
618 size_t n;
619 for ( n = 0; n < WXSIZEOF(doubleData); n++ )
620 {
621 const ToDoubleData& ld = doubleData[n];
622 CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
623 if ( ld.ok )
624 CPPUNIT_ASSERT_EQUAL( ld.value, d );
625 }
626 }
627
628 void StringTestCase::WriteBuf()
629 {
630 wxString s;
631 wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
632
633 CPPUNIT_ASSERT_EQUAL(_T('f'), s[0u]);
634 CPPUNIT_ASSERT_EQUAL(_T('o'), s[1]);
635 CPPUNIT_ASSERT_EQUAL(_T('o'), s[2]);
636 CPPUNIT_ASSERT_EQUAL((size_t)3, s.length());
637
638 {
639 wxChar *p = s.GetWriteBuf(10);
640 wxStrcpy(p, _T("barrbaz"));
641 s.UngetWriteBuf(4);
642
643 CPPUNIT_ASSERT_EQUAL(_T('b'), s[0u]);
644 CPPUNIT_ASSERT_EQUAL(_T('a'), s[1]);
645 CPPUNIT_ASSERT_EQUAL(_T('r'), s[2]);
646 CPPUNIT_ASSERT_EQUAL(_T('r'), s[3]);
647 CPPUNIT_ASSERT_EQUAL((size_t)4, s.length());
648
649 CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s) );
650 }
651 }
652