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git.saurik.com Git - wxWidgets.git/blob - tests/strings/crt.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/strings/crt.cpp
3 // Purpose: Test for wx C runtime functions wrappers
4 // Author: Vaclav Slavik
7 // Copyright: (c) 2004 Vaclav Slavik
8 // Licence: wxWindows licence
9 ///////////////////////////////////////////////////////////////////////////////
11 // ----------------------------------------------------------------------------
13 // ----------------------------------------------------------------------------
25 #include "wx/textfile.h"
27 // ----------------------------------------------------------------------------
29 // ----------------------------------------------------------------------------
31 static const char *strMB
= "hello, world";
32 static const wchar_t *strWC
= L
"hello, world";
33 static const wxString
strWX("hello, world");
35 // ----------------------------------------------------------------------------
37 // ----------------------------------------------------------------------------
39 class CrtTestCase
: public CppUnit::TestCase
45 CPPUNIT_TEST_SUITE( CrtTestCase
);
46 CPPUNIT_TEST( SetGetEnv
);
48 CPPUNIT_TEST( Strchr
);
49 #endif // wxUSE_UNICODE
50 CPPUNIT_TEST( Strcmp
);
51 CPPUNIT_TEST( Strspn
);
52 CPPUNIT_TEST( Strcspn
);
53 CPPUNIT_TEST( Strpbrk
);
54 CPPUNIT_TEST( Strnlen
);
55 CPPUNIT_TEST_SUITE_END();
60 #endif // wxUSE_UNICODE
67 DECLARE_NO_COPY_CLASS(CrtTestCase
)
70 // register in the unnamed registry so that these tests are run by default
71 CPPUNIT_TEST_SUITE_REGISTRATION( CrtTestCase
);
73 // also include in it's own registry so that these tests can be run alone
74 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( CrtTestCase
, "CrtTestCase" );
76 void CrtTestCase::SetGetEnv()
78 #define TESTVAR_NAME wxT("WXTESTVAR")
81 wxSetEnv(TESTVAR_NAME
, wxT("value"));
82 CPPUNIT_ASSERT( wxGetEnv(TESTVAR_NAME
, &val
) );
83 CPPUNIT_ASSERT_EQUAL( "value", val
);
84 CPPUNIT_ASSERT_EQUAL( "value", wxString(wxGetenv(TESTVAR_NAME
)) );
86 wxSetEnv(TESTVAR_NAME
, wxT("something else"));
87 CPPUNIT_ASSERT( wxGetEnv(TESTVAR_NAME
, &val
) );
88 CPPUNIT_ASSERT_EQUAL( "something else", val
);
89 CPPUNIT_ASSERT_EQUAL( "something else", wxString(wxGetenv(TESTVAR_NAME
)) );
91 CPPUNIT_ASSERT( wxUnsetEnv(TESTVAR_NAME
) );
92 CPPUNIT_ASSERT( !wxGetEnv(TESTVAR_NAME
, NULL
) );
93 CPPUNIT_ASSERT( !wxGetenv(TESTVAR_NAME
) );
99 void CrtTestCase::Strchr()
101 // test that searching for a wide character in a narrow string simply
102 // doesn't find it but doesn't fail with an assert (#11487)
103 const wxUniChar smiley
= *wxString::FromUTF8("\xe2\x98\xba").begin();
105 CPPUNIT_ASSERT( !wxStrchr("hello", smiley
) );
107 // but searching for an explicitly wide character does find it
108 CPPUNIT_ASSERT( wxStrchr(wxString::FromUTF8(":-) == \xe2\x98\xba"),
109 static_cast<wchar_t>(smiley
)) );
111 #endif // wxUSE_UNICODE
113 void CrtTestCase::Strcmp()
115 // this code tests if all possible ways of calling wxStrcmp() compile:
116 const char * const char1
= "first";
117 const wchar_t * const wchar1
= L
"first";
118 wxString
str1("first");
119 wxCStrData
cstr1(str1
.c_str());
120 wxCharBuffer
charbuf1(char1
);
121 wxWCharBuffer
wcharbuf1(wchar1
);
123 const char * const char2
= "last";
124 const wchar_t * const wchar2
= L
"last";
125 wxString
str2("last");
126 wxCStrData
cstr2(str2
.c_str());
127 wxCharBuffer
charbuf2(char2
);
128 wxWCharBuffer
wcharbuf2(wchar2
);
130 CPPUNIT_ASSERT( wxStrcmp(char1
, char2
) < 0 );
131 CPPUNIT_ASSERT( wxStrcmp(char1
, wchar2
) < 0 );
132 CPPUNIT_ASSERT( wxStrcmp(char1
, str2
) < 0 );
133 CPPUNIT_ASSERT( wxStrcmp(char1
, cstr2
) < 0 );
134 CPPUNIT_ASSERT( wxStrcmp(char1
, charbuf2
) < 0 );
135 CPPUNIT_ASSERT( wxStrcmp(char1
, wcharbuf2
) < 0 );
137 CPPUNIT_ASSERT( wxStrcmp(wchar1
, char2
) < 0 );
138 CPPUNIT_ASSERT( wxStrcmp(wchar1
, wchar2
) < 0 );
139 CPPUNIT_ASSERT( wxStrcmp(wchar1
, str2
) < 0 );
140 CPPUNIT_ASSERT( wxStrcmp(wchar1
, cstr2
) < 0 );
141 CPPUNIT_ASSERT( wxStrcmp(wchar1
, charbuf2
) < 0 );
142 CPPUNIT_ASSERT( wxStrcmp(wchar1
, wcharbuf2
) < 0 );
144 CPPUNIT_ASSERT( wxStrcmp(str1
, char2
) < 0 );
145 CPPUNIT_ASSERT( wxStrcmp(str1
, wchar2
) < 0 );
146 CPPUNIT_ASSERT( wxStrcmp(str1
, str2
) < 0 );
147 CPPUNIT_ASSERT( wxStrcmp(str1
, cstr2
) < 0 );
148 CPPUNIT_ASSERT( wxStrcmp(str1
, charbuf2
) < 0 );
149 CPPUNIT_ASSERT( wxStrcmp(str1
, wcharbuf2
) < 0 );
151 CPPUNIT_ASSERT( wxStrcmp(cstr1
, char2
) < 0 );
152 CPPUNIT_ASSERT( wxStrcmp(cstr1
, wchar2
) < 0 );
153 CPPUNIT_ASSERT( wxStrcmp(cstr1
, str2
) < 0 );
154 CPPUNIT_ASSERT( wxStrcmp(cstr1
, cstr2
) < 0 );
155 CPPUNIT_ASSERT( wxStrcmp(cstr1
, charbuf2
) < 0 );
156 CPPUNIT_ASSERT( wxStrcmp(cstr1
, wcharbuf2
) < 0 );
158 CPPUNIT_ASSERT( wxStrcmp(charbuf1
, char2
) < 0 );
159 CPPUNIT_ASSERT( wxStrcmp(charbuf1
, wchar2
) < 0 );
160 CPPUNIT_ASSERT( wxStrcmp(charbuf1
, str2
) < 0 );
161 CPPUNIT_ASSERT( wxStrcmp(charbuf1
, cstr2
) < 0 );
162 CPPUNIT_ASSERT( wxStrcmp(charbuf1
, charbuf2
) < 0 );
163 CPPUNIT_ASSERT( wxStrcmp(charbuf1
, wcharbuf2
) < 0 );
165 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1
, char2
) < 0 );
166 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1
, wchar2
) < 0 );
167 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1
, str2
) < 0 );
168 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1
, cstr2
) < 0 );
169 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1
, charbuf2
) < 0 );
170 CPPUNIT_ASSERT( wxStrcmp(wcharbuf1
, wcharbuf2
) < 0 );
173 void CrtTestCase::Strspn()
175 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB
, "xyz") );
176 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC
, "xyz") );
177 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX
, "xyz") );
178 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB
, L
"xyz") );
179 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC
, L
"xyz") );
180 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX
, L
"xyz") );
182 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strMB
, "hleo") );
183 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWC
, "hleo") );
184 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWX
, "hleo") );
186 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB
, "ld") );
187 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC
, "ld") );
188 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX
, "ld") );
190 CPPUNIT_ASSERT_EQUAL( strWX
.length(), wxStrspn(strMB
, strWC
) );
191 CPPUNIT_ASSERT_EQUAL( strWX
.length(), wxStrspn(strWC
, strWX
) );
192 CPPUNIT_ASSERT_EQUAL( strWX
.length(), wxStrspn(strWX
, strMB
) );
195 void CrtTestCase::Strcspn()
197 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB
, strWX
) );
198 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC
, strMB
) );
199 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX
, strWC
) );
201 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strMB
, ", ") );
202 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWC
, ", ") );
203 CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWX
, ", ") );
205 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB
, "hel") );
206 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC
, "hel") );
207 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX
, "hel") );
209 CPPUNIT_ASSERT_EQUAL( strWX
.length(), wxStrcspn(strMB
, "xy") );
210 CPPUNIT_ASSERT_EQUAL( strWX
.length(), wxStrcspn(strWC
, "xy") );
211 CPPUNIT_ASSERT_EQUAL( strWX
.length(), wxStrcspn(strWX
, "xy") );
214 void CrtTestCase::Strpbrk()
216 const wxString
s(", ");
218 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB
, ", ") );
219 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWC
, L
", ") );
220 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
, ", ") );
221 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWX
, L
", ") );
223 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB
, s
) );
224 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWC
, s
) );
225 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
, s
) );
226 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
.c_str(), s
) );
228 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB
, s
.c_str()) );
229 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWC
, s
.c_str()) );
230 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
, s
.c_str()) );
231 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
.c_str(), s
.c_str()) );
233 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB
, s
.mb_str()) );
234 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWC
, s
.wc_str()) );
235 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
, s
.mb_str()) );
236 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWX
, s
.wc_str()) );
237 CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX
.c_str(), s
.mb_str()) );
238 CPPUNIT_ASSERT_EQUAL( L
',', *wxStrpbrk(strWX
.c_str(), s
.wc_str()) );
240 CPPUNIT_ASSERT( !wxStrpbrk(strWX
, "xyz") );
241 CPPUNIT_ASSERT( !wxStrpbrk(strWX
.c_str(), L
"xyz") );
244 void CrtTestCase::Strnlen()
246 // other misc tests for wxStrnlen(const char*, size_t)
248 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("", 0) );
249 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("", 8) );
250 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("1234", 0) );
251 CPPUNIT_ASSERT_EQUAL( (size_t)2, wxStrnlen("1234", 2) );
252 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen("1234", 8) );
253 CPPUNIT_ASSERT_EQUAL( (size_t)7, wxStrnlen("1234567", 8) );
254 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen("12345678", 8) );
255 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen("123456789", 8) );
256 CPPUNIT_ASSERT_EQUAL( (size_t)9, wxStrnlen("123456789", 12) );
258 // other misc tests for wxStrnlen(const wchar_t*, size_t)
260 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L
"", 0) );
261 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L
"", 8) );
262 CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L
"1234", 0) );
263 CPPUNIT_ASSERT_EQUAL( (size_t)2, wxStrnlen(L
"1234", 2) );
264 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen(L
"1234", 8) );
265 CPPUNIT_ASSERT_EQUAL( (size_t)7, wxStrnlen(L
"1234567", 8) );
266 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen(L
"12345678", 8) );
267 CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen(L
"123456789", 8) );
268 CPPUNIT_ASSERT_EQUAL( (size_t)9, wxStrnlen(L
"123456789", 12) );
270 // wxStrlen() is only for NULL-terminated strings:
271 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen("1234" "\0" "78", 12) );
272 CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen(L
"1234" L
"\0" L
"5678", 12) );