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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
8899b155 14#include "testprec.h"
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15
16#ifdef __BORLANDC__
17 #pragma hdrstop
18#endif
19
20#ifndef WX_PRECOMP
21 #include "wx/wx.h"
22#endif // WX_PRECOMP
23
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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( Extraction );
e6a99197 40 CPPUNIT_TEST( Trim );
1cd53e88 41 CPPUNIT_TEST( Find );
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42 CPPUNIT_TEST( Replace );
43 CPPUNIT_TEST( Match );
bd7f096d 44 CPPUNIT_TEST( CaseChanges );
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45 CPPUNIT_TEST( Compare );
46 CPPUNIT_TEST( CompareNoCase );
c4f35063 47 CPPUNIT_TEST( Contains );
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48 CPPUNIT_TEST( ToLong );
49 CPPUNIT_TEST( ToULong );
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50#ifdef wxLongLong_t
51 CPPUNIT_TEST( ToLongLong );
52 CPPUNIT_TEST( ToULongLong );
53#endif // wxLongLong_t
4f7ee81a 54 CPPUNIT_TEST( ToDouble );
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55 CPPUNIT_TEST_SUITE_END();
56
57 void String();
58 void PChar();
59 void Format();
60 void Constructors();
61 void Extraction();
e6a99197 62 void Trim();
1cd53e88 63 void Find();
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64 void Replace();
65 void Match();
bd7f096d 66 void CaseChanges();
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67 void Compare();
68 void CompareNoCase();
c4f35063 69 void Contains();
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70 void ToLong();
71 void ToULong();
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72#ifdef wxLongLong_t
73 void ToLongLong();
74 void ToULongLong();
75#endif // wxLongLong_t
4f7ee81a 76 void ToDouble();
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77
78 DECLARE_NO_COPY_CLASS(StringTestCase)
79};
80
81// register in the unnamed registry so that these tests are run by default
82CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
83
84// also include in it's own registry so that these tests can be run alone
85CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
86
87StringTestCase::StringTestCase()
88{
89}
90
91void 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
111void 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
129void 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()) );
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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 }
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145}
146
147void 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
265d5cce 165
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166void 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
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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)
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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
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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
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211}
212
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213void 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
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231void 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
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243void 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
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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
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276 TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
277 _T("null\0dehar"), 10 );
7634e443 278
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279 TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
280 _T("null\0char"), 9 );
281
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282 #undef TEST_WXREPLACE
283 #undef TEST_NULLCHARREPLACE
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284 #undef TEST_REPLACE
285}
286
287void 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
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307
308void 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 );
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323
324#if !wxUSE_UNICODE
325 wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
326 if ( locRu.IsOk() )
327 {
328 // try upper casing 8bit strings
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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));
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334
335 CPPUNIT_ASSERT( sUpper.Lower() == sLower );
336 CPPUNIT_ASSERT( sLower.Upper() == sUpper );
337 }
338#endif // !wxUSE_UNICODE
bd7f096d 339}
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340
341void 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");
0c924034 349
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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');
0c924034 368
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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
376void 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");
0c924034 385
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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");
0c924034 405
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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 );
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421}
422
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423void 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
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450// flags used in ToLongData.flags
451enum
4f7ee81a 452{
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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
461static const struct ToLongData
462{
463 const wxChar *str;
464 union
4f7ee81a 465 {
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466#ifdef wxLongLong_t
467 wxLongLong_t llvalue;
468 wxULongLong_t ullvalue;
469#endif // wxLongLong_t
470 long lvalue;
471 unsigned long ulvalue;
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472 };
473
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474 int flags;
475
476 bool IsOk() const { return !(flags & Number_Invalid); }
477} longData[] =
478{
479 { _T("1"), 1, Number_Ok },
480 { _T("0"), 0, Number_Ok },
481 { _T("a"), 0, Number_Invalid },
482 { _T("12345"), 12345, Number_Ok },
483 { _T("--1"), 0, Number_Invalid },
484
485 { _T("-1"), -1, Number_Signed | Number_Long },
486 // this is surprizing but consistent with strtoul() behaviour
487 { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
488
489 // this must overflow, even with 64 bit long
490 { _T("922337203685477580711"), 0, Number_Invalid },
491
492#ifdef wxLongLong_t
493 { _T("2147483648"), wxLL(2147483648), Number_LongLong },
494 { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
495 { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
496 Number_Unsigned },
497#endif // wxLongLong_t
498};
499
500void StringTestCase::ToLong()
501{
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502 long l;
503 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
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504 {
505 const ToLongData& ld = longData[n];
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506
507 if ( ld.flags & (Number_LongLong | Number_Unsigned) )
508 continue;
509
510 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
511 if ( ld.IsOk() )
512 CPPUNIT_ASSERT_EQUAL( ld.lvalue, l );
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513 }
514}
515
516void StringTestCase::ToULong()
517{
518 unsigned long ul;
d6718dd1 519 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
4f7ee81a 520 {
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521 const ToLongData& ld = longData[n];
522
523 if ( ld.flags & (Number_LongLong | Number_Signed) )
524 continue;
525
526 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
527 if ( ld.IsOk() )
528 CPPUNIT_ASSERT_EQUAL( ld.ulvalue, ul );
529 }
530}
531
532#ifdef wxLongLong_t
533
534void StringTestCase::ToLongLong()
535{
536 wxLongLong_t l;
537 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
4f7ee81a 538 {
d6718dd1 539 const ToLongData& ld = longData[n];
4f7ee81a 540
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541 if ( ld.flags & (Number_Long | Number_Unsigned) )
542 continue;
543
544 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
545 if ( ld.IsOk() )
546 CPPUNIT_ASSERT_EQUAL( ld.llvalue, l );
547 }
548}
549
550void StringTestCase::ToULongLong()
551{
552 wxULongLong_t ul;
553 for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
4f7ee81a 554 {
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555 const ToLongData& ld = longData[n];
556
557 if ( ld.flags & (Number_Long | Number_Signed) )
558 continue;
559
560 CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
561 if ( ld.IsOk() )
562 CPPUNIT_ASSERT_EQUAL( ld.ullvalue, ul );
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563 }
564}
565
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566#endif // wxLongLong_t
567
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568void StringTestCase::ToDouble()
569{
570 double d;
571 static const struct ToDoubleData
572 {
573 const wxChar *str;
574 double value;
575 bool ok;
576 } doubleData[] =
577 {
578 { _T("1"), 1, true },
579 { _T("1.23"), 1.23, true },
580 { _T(".1"), .1, true },
581 { _T("1."), 1, true },
582 { _T("1.."), 0, false },
583 { _T("0"), 0, true },
584 { _T("a"), 0, false },
585 { _T("12345"), 12345, true },
586 { _T("-1"), -1, true },
587 { _T("--1"), 0, false },
588 };
589
590 // we need to use decimal point, not comma or whatever is its value for the
591 // current locale
592 wxSetlocale(LC_ALL, _T("C"));
593
594 size_t n;
595 for ( n = 0; n < WXSIZEOF(doubleData); n++ )
596 {
597 const ToDoubleData& ld = doubleData[n];
598 CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
599 if ( ld.ok )
600 CPPUNIT_ASSERT_EQUAL( ld.value, d );
601 }
602}