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[wxWidgets.git] / tests / regex / wxregextest.cpp
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1///////////////////////////////////////////////////////////////////////////////
2// Name: tests/regex/wxregex.cpp
3// Purpose: Test wxRegEx
4// Author: Vadim Zeitlin, Mike Wetherell
bc10103e 5// Copyright: Vadim Zeitlin, Mike Wetherell
526954c5 6// Licence: wxWindows licence
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7///////////////////////////////////////////////////////////////////////////////
8
8899b155 9#include "testprec.h"
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10
11#ifdef __BORLANDC__
12# pragma hdrstop
13#endif
14
15#ifndef WX_PRECOMP
16# include "wx/wx.h"
17#endif
18
19#if wxUSE_REGEX
20
21#include "wx/regex.h"
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22#include "wx/tokenzr.h"
23#include <string>
24
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25using CppUnit::Test;
26using CppUnit::TestCase;
27using CppUnit::TestSuite;
28using std::string;
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29
30
31///////////////////////////////////////////////////////////////////////////////
32// Compile Test
33
34class RegExCompileTestCase : public TestCase
35{
36public:
37 RegExCompileTestCase(const char *name, const wxString& pattern,
38 bool correct, int flags)
39 : TestCase(name),
40 m_pattern(pattern),
41 m_correct(correct),
42 m_flags(flags)
43 { }
44
45protected:
46 void runTest();
47
48private:
49 wxString m_pattern;
50 bool m_correct;
51 int m_flags;
52};
53
54void RegExCompileTestCase::runTest()
55{
56 wxRegEx re;
57 bool ok = re.Compile(m_pattern, m_flags);
58
59 if (m_correct)
60 CPPUNIT_ASSERT_MESSAGE("compile failed", ok);
61 else
62 CPPUNIT_ASSERT_MESSAGE("compile succeeded (should fail)", !ok);
63}
64
65
66///////////////////////////////////////////////////////////////////////////////
67// Match Test
68
69class RegExMatchTestCase : public TestCase
70{
71public:
72 RegExMatchTestCase(const char *name, const wxString& pattern,
73 const wxString& text, const char *expected,
74 int flags)
75 : TestCase(name),
76 m_pattern(pattern),
77 m_text(text),
78 m_expected(expected),
79 m_flags(flags)
80 { }
81
82protected:
83 void runTest();
84
85private:
86 wxString m_pattern;
87 wxString m_text;
88 const char *m_expected;
89 int m_flags;
90};
91
92void RegExMatchTestCase::runTest()
93{
94 int compileFlags = m_flags & ~(wxRE_NOTBOL | wxRE_NOTEOL);
95 int matchFlags = m_flags & (wxRE_NOTBOL | wxRE_NOTEOL);
96
97 wxRegEx re(m_pattern, compileFlags);
98 CPPUNIT_ASSERT_MESSAGE("compile failed", re.IsValid());
99
100 bool ok = re.Matches(m_text, matchFlags);
101
102 if (m_expected) {
103 CPPUNIT_ASSERT_MESSAGE("match failed", ok);
104
105 wxStringTokenizer tkz(wxString(m_expected, *wxConvCurrent),
9a83f860 106 wxT("\t"), wxTOKEN_RET_EMPTY);
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107 size_t i;
108
109 for (i = 0; i < re.GetMatchCount() && tkz.HasMoreTokens(); i++) {
110 wxString expected = tkz.GetNextToken();
111 wxString result = re.GetMatch(m_text, i);
112
113 wxString msgstr;
9a83f860 114 msgstr.Printf(wxT("\\%d == '%s' (expected '%s')"),
bc10103e 115 (int)i, result.c_str(), expected.c_str());
bc10103e 116
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117 CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(),
118 result == expected);
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119 }
120
121 if ((m_flags & wxRE_NOSUB) == 0)
122 CPPUNIT_ASSERT(re.GetMatchCount() == i);
123 }
124 else {
125 CPPUNIT_ASSERT_MESSAGE("match succeeded (should fail)", !ok);
126 }
127}
128
129
130///////////////////////////////////////////////////////////////////////////////
131// Replacement Test
132
133class RegExReplaceTestCase : public TestCase
134{
135public:
136 RegExReplaceTestCase(const char *name, const wxString& pattern,
137 const wxString& text, const wxString& repl,
138 const wxString& expected, size_t count, int flags)
139 : TestCase(name),
140 m_pattern(pattern),
141 m_text(text),
142 m_repl(repl),
143 m_expected(expected),
144 m_count(count),
145 m_flags(flags)
3e5f6c1c 146 { }
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147
148protected:
149 void runTest();
150
151private:
152 wxString m_pattern;
153 wxString m_text;
154 wxString m_repl;
155 wxString m_expected;
156 size_t m_count;
157 int m_flags;
158};
159
160void RegExReplaceTestCase::runTest()
161{
162 wxRegEx re(m_pattern, m_flags);
163
164 wxString text(m_text);
165 size_t nRepl = re.Replace(&text, m_repl);
166
167 wxString msgstr;
9a83f860 168 msgstr.Printf(wxT("returns '%s' (expected '%s')"), text.c_str(), m_expected.c_str());
c33230b1 169 CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), text == m_expected);
bc10103e 170
9a83f860 171 msgstr.Printf(wxT("matches %d times (expected %d)"), (int)nRepl, (int)m_count);
c33230b1 172 CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), nRepl == m_count);
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173}
174
175
176///////////////////////////////////////////////////////////////////////////////
177// The suite
178
179class wxRegExTestSuite : public TestSuite
180{
181public:
182 wxRegExTestSuite() : TestSuite("wxRegExTestSuite") { }
183 static Test *suite();
184
185private:
186 void add(const char *pattern, bool correct, int flags = wxRE_DEFAULT);
187 void add(const char *pattern, const char *text,
188 const char *expected = NULL, int flags = wxRE_DEFAULT);
189 void add(const char *pattern, const char *text, const char *replacement,
190 const char *expected, size_t count, int flags = wxRE_DEFAULT);
191
192 static wxString FlagStr(int flags);
193 static wxString Conv(const char *str) { return wxString(str, *wxConvCurrent); }
194};
195
196// Build the suite (static)
197//
198Test *wxRegExTestSuite::suite()
199{
200 wxRegExTestSuite *suite = new wxRegExTestSuite;
201
202 // Compile tests
203 // pattern, expected result
204 suite->add("foo", true);
205 suite->add("foo(", false);
206 suite->add("foo(bar", false);
207 suite->add("foo(bar)", true);
208 suite->add("foo[", false);
209 suite->add("foo[bar", false);
210 suite->add("foo[bar]", true);
211 suite->add("foo{1", false);
212 suite->add("foo{1}", true);
213 suite->add("foo{1,2}", true);
214 suite->add("foo*", true);
215 suite->add("foo+", true);
216 suite->add("foo?", true);
217
218 // Match tests
219 // pattern, text, expected results (match, followed by submatches
220 // tab separated, or NULL for no match expected)
221 suite->add("foo", "bar");
222 suite->add("foo", "foobar", "foo");
223 suite->add("^foo", "foobar", "foo");
224 suite->add("^foo", "barfoo");
225 suite->add("bar$", "barbar", "bar");
226 suite->add("bar$", "barbar ");
227 suite->add("OoBa", "FoObAr", "oObA", wxRE_ICASE);
228 suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA\nbb\nCC");
229 suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA", wxRE_NEWLINE);
230 suite->add("^[a-z].*$", "AA\nbb\nCC", "bb", wxRE_NEWLINE);
231 suite->add("^[A-Z].*$", "AA\nbb\nCC", "CC", wxRE_NEWLINE | wxRE_NOTBOL);
232 suite->add("^[A-Z].*$", "AA\nbb\nCC", NULL, wxRE_NEWLINE | wxRE_NOTBOL | wxRE_NOTEOL);
233 suite->add("([[:alpha:]]+) ([[:alpha:]]+) ([[:digit:]]+).* ([[:digit:]]+)$",
234 "Fri Jul 13 18:37:52 CEST 2001",
235 "Fri Jul 13 18:37:52 CEST 2001\tFri\tJul\t13\t2001");
236
237 // Replace tests
238 // pattern, text, replacement, expected result and number of matches
239 const char *patn = "([a-z]+)[^0-9]*([0-9]+)";
240 suite->add(patn, "foo123", "bar", "bar", 1);
241 suite->add(patn, "foo123", "\\2\\1", "123foo", 1);
242 suite->add(patn, "foo_123", "\\2\\1", "123foo", 1);
243 suite->add(patn, "123foo", "bar", "123foo", 0);
244 suite->add(patn, "123foo456foo", "&&", "123foo456foo456foo", 1);
245 suite->add(patn, "123foo456foo", "\\0\\0", "123foo456foo456foo", 1);
246 suite->add(patn, "foo123foo123", "bar", "barbar", 2);
247 suite->add(patn, "foo123_foo456_foo789", "bar", "bar_bar_bar", 3);
248
249 return suite;
250}
251
252// Add a compile test
253//
254void wxRegExTestSuite::add(
255 const char *pattern,
256 bool correct,
257 int flags /*=wxRE_DEFAULT*/)
258{
259 addTest(new RegExCompileTestCase(
9a83f860 260 (wxT("/") + Conv(pattern) + wxT("/") + FlagStr(flags)).mb_str(),
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261 Conv(pattern), correct, flags));
262}
263
264// Add a match test
265//
266void wxRegExTestSuite::add(
267 const char *pattern,
268 const char *text,
269 const char *expected /*=NULL*/,
270 int flags /*=wxRE_DEFAULT*/)
271{
272 wxString name;
273
9a83f860 274 name << wxT("'") << Conv(text) << wxT("' =~ /") << Conv(pattern) << wxT("/")
bc10103e 275 << FlagStr(flags);
9a83f860 276 name.Replace(wxT("\n"), wxT("\\n"));
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277
278 addTest(new RegExMatchTestCase(name.mb_str(), Conv(pattern),
279 Conv(text), expected, flags));
280}
281
282// Add a replace test
283//
284void wxRegExTestSuite::add(
285 const char *pattern,
286 const char *text,
287 const char *replacement,
288 const char *expected,
289 size_t count,
290 int flags /*=wxRE_DEFAULT*/)
291{
292 wxString name;
293
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294 name << wxT("'") << Conv(text) << wxT("' =~ s/") << Conv(pattern) << wxT("/")
295 << Conv(replacement) << wxT("/g") << FlagStr(flags);
296 name.Replace(wxT("\n"), wxT("\\n"));
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297
298 addTest(new RegExReplaceTestCase(
299 name.mb_str(), Conv(pattern), Conv(text),
300 Conv(replacement), Conv(expected), count, flags));
301}
302
303// Display string for the flags
304//
305wxString wxRegExTestSuite::FlagStr(int flags)
306{
307 wxString str;
308
309 if (!flags)
310 return str;
311
312 for (int i = 0; (unsigned)flags >> i; i++) {
313 switch (flags & (1 << i)) {
314 case 0: break;
315#ifdef wxHAS_REGEX_ADVANCED
9a83f860 316 case wxRE_ADVANCED: str += wxT(" | wxRE_ADVANCED"); break;
bc10103e 317#endif
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318 case wxRE_BASIC: str += wxT(" | wxRE_BASIC"); break;
319 case wxRE_ICASE: str += wxT(" | wxRE_ICASE"); break;
320 case wxRE_NOSUB: str += wxT(" | wxRE_NOSUB"); break;
321 case wxRE_NEWLINE: str += wxT(" | wxRE_NEWLINE"); break;
322 case wxRE_NOTBOL: str += wxT(" | wxRE_NOTBOL"); break;
323 case wxRE_NOTEOL: str += wxT(" | wxRE_NOTEOL"); break;
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324 default: wxFAIL; break;
325 }
326 }
327
9a83f860 328 return wxT(" (") + str.Mid(3) + wxT(")");
93a800a9 329}
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330
331// register in the unnamed registry so that these tests are run by default
332CPPUNIT_TEST_SUITE_REGISTRATION(wxRegExTestSuite);
333
e3778b4d 334// also include in its own registry so that these tests can be run alone
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335CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(wxRegExTestSuite, "wxRegExTestSuite");
336
337
338#endif // wxUSE_REGEX