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