[wxWidgets.git] / tests / regex / wxregextest.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/regex/wxregex.cpp
// Purpose:     Test wxRegEx
// Author:      Vadim Zeitlin, Mike Wetherell
// RCS-ID:      $Id$
// Copyright:   Vadim Zeitlin, Mike Wetherell
// Licence:     wxWidgets licence
///////////////////////////////////////////////////////////////////////////////

#include "testprec.h"

#ifdef __BORLANDC__
#   pragma hdrstop
#endif

#ifndef WX_PRECOMP
#   include "wx/wx.h"
#endif

#if wxUSE_REGEX

#include "wx/regex.h"
#include "wx/tokenzr.h"
#include <string>

using CppUnit::Test;
using CppUnit::TestCase;
using CppUnit::TestSuite;
using std::string;


///////////////////////////////////////////////////////////////////////////////
// Compile Test

class RegExCompileTestCase : public TestCase
{
public:
    RegExCompileTestCase(const char *name, const wxString& pattern,
                         bool correct, int flags)
    :   TestCase(name),
        m_pattern(pattern),
        m_correct(correct),
        m_flags(flags)
    { }

protected:
    void runTest();

private:
    wxString m_pattern;
    bool m_correct;
    int m_flags;
};

void RegExCompileTestCase::runTest()
{
    wxRegEx re;
    bool ok = re.Compile(m_pattern, m_flags);

    if (m_correct)
        CPPUNIT_ASSERT_MESSAGE("compile failed", ok);
    else
        CPPUNIT_ASSERT_MESSAGE("compile succeeded (should fail)", !ok);
}


///////////////////////////////////////////////////////////////////////////////
// Match Test

class RegExMatchTestCase : public TestCase
{
public:
    RegExMatchTestCase(const char *name, const wxString& pattern,
                       const wxString& text, const char *expected,
                       int flags)
    :   TestCase(name),
        m_pattern(pattern),
        m_text(text),
        m_expected(expected),
        m_flags(flags)
    { }

protected:
    void runTest();

private:
    wxString m_pattern;
    wxString m_text;
    const char *m_expected;
    int m_flags;
};

void RegExMatchTestCase::runTest()
{
    int compileFlags = m_flags & ~(wxRE_NOTBOL | wxRE_NOTEOL);
    int matchFlags = m_flags & (wxRE_NOTBOL | wxRE_NOTEOL);

    wxRegEx re(m_pattern, compileFlags);
    CPPUNIT_ASSERT_MESSAGE("compile failed", re.IsValid());

    bool ok = re.Matches(m_text, matchFlags);

    if (m_expected) {
        CPPUNIT_ASSERT_MESSAGE("match failed", ok);

        wxStringTokenizer tkz(wxString(m_expected, *wxConvCurrent),
                              _T("\t"), wxTOKEN_RET_EMPTY);
        size_t i;

        for (i = 0; i < re.GetMatchCount() && tkz.HasMoreTokens(); i++) {
            wxString expected = tkz.GetNextToken();
            wxString result = re.GetMatch(m_text, i);

            wxString msgstr;
            msgstr.Printf(_T("\\%d == '%s' (expected '%s')"),
                          (int)i, result.c_str(), expected.c_str());

            CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(),
                                   result == expected);
        }

        if ((m_flags & wxRE_NOSUB) == 0)
            CPPUNIT_ASSERT(re.GetMatchCount() == i);
    }
    else {
        CPPUNIT_ASSERT_MESSAGE("match succeeded (should fail)", !ok);
    }
}


///////////////////////////////////////////////////////////////////////////////
// Replacement Test

class RegExReplaceTestCase : public TestCase
{
public:
    RegExReplaceTestCase(const char *name, const wxString& pattern,
                         const wxString& text, const wxString& repl,
                         const wxString& expected, size_t count, int flags)
    :   TestCase(name),
        m_pattern(pattern),
        m_text(text),
        m_repl(repl),
        m_expected(expected),
        m_count(count),
        m_flags(flags)
    { }

protected:
    void runTest();

private:
    wxString m_pattern;
    wxString m_text;
    wxString m_repl;
    wxString m_expected;
    size_t m_count;
    int m_flags;
};

void RegExReplaceTestCase::runTest()
{
    wxRegEx re(m_pattern, m_flags);

    wxString text(m_text);
    size_t nRepl = re.Replace(&text, m_repl);

    wxString msgstr;
    msgstr.Printf(_T("returns '%s' (expected '%s')"), text.c_str(), m_expected.c_str());
    CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), text == m_expected);

    msgstr.Printf(_T("matches %d times (expected %d)"), nRepl, m_count);
    CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), nRepl == m_count);
}


///////////////////////////////////////////////////////////////////////////////
// The suite

class wxRegExTestSuite : public TestSuite
{
public:
    wxRegExTestSuite() : TestSuite("wxRegExTestSuite") { }
    static Test *suite();

private:
    void add(const char *pattern, bool correct, int flags = wxRE_DEFAULT);
    void add(const char *pattern, const char *text,
             const char *expected = NULL, int flags = wxRE_DEFAULT);
    void add(const char *pattern, const char *text, const char *replacement,
             const char *expected, size_t count, int flags = wxRE_DEFAULT);

    static wxString FlagStr(int flags);
    static wxString Conv(const char *str) { return wxString(str, *wxConvCurrent); }
};

// Build the suite (static)
//
Test *wxRegExTestSuite::suite()
{
    wxRegExTestSuite *suite = new wxRegExTestSuite;

    // Compile tests
    // pattern, expected result
    suite->add("foo", true);
    suite->add("foo(", false);
    suite->add("foo(bar", false);
    suite->add("foo(bar)", true);
    suite->add("foo[", false);
    suite->add("foo[bar", false);
    suite->add("foo[bar]", true);
    suite->add("foo{1", false);
    suite->add("foo{1}", true);
    suite->add("foo{1,2}", true);
    suite->add("foo*", true);
    suite->add("foo+", true);
    suite->add("foo?", true);

    // Match tests
    // pattern, text, expected results (match, followed by submatches
    // tab separated, or NULL for no match expected)
    suite->add("foo", "bar");
    suite->add("foo", "foobar", "foo");
    suite->add("^foo", "foobar", "foo");
    suite->add("^foo", "barfoo");
    suite->add("bar$", "barbar", "bar");
    suite->add("bar$", "barbar ");
    suite->add("OoBa", "FoObAr", "oObA", wxRE_ICASE);
    suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA\nbb\nCC");
    suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA", wxRE_NEWLINE);
    suite->add("^[a-z].*$", "AA\nbb\nCC", "bb", wxRE_NEWLINE);
    suite->add("^[A-Z].*$", "AA\nbb\nCC", "CC", wxRE_NEWLINE | wxRE_NOTBOL);
    suite->add("^[A-Z].*$", "AA\nbb\nCC", NULL, wxRE_NEWLINE | wxRE_NOTBOL | wxRE_NOTEOL);
    suite->add("([[:alpha:]]+) ([[:alpha:]]+) ([[:digit:]]+).* ([[:digit:]]+)$",
        "Fri Jul 13 18:37:52 CEST 2001",
        "Fri Jul 13 18:37:52 CEST 2001\tFri\tJul\t13\t2001");

    // Replace tests
    // pattern, text, replacement, expected result and number of matches
    const char *patn = "([a-z]+)[^0-9]*([0-9]+)";
    suite->add(patn, "foo123", "bar", "bar", 1);
    suite->add(patn, "foo123", "\\2\\1", "123foo", 1);
    suite->add(patn, "foo_123", "\\2\\1", "123foo", 1);
    suite->add(patn, "123foo", "bar", "123foo", 0);
    suite->add(patn, "123foo456foo", "&&", "123foo456foo456foo", 1);
    suite->add(patn, "123foo456foo", "\\0\\0", "123foo456foo456foo", 1);
    suite->add(patn, "foo123foo123", "bar", "barbar", 2);
    suite->add(patn, "foo123_foo456_foo789", "bar", "bar_bar_bar", 3);

    return suite;
}

// Add a compile test
//
void wxRegExTestSuite::add(
    const char *pattern,
    bool correct,
    int flags /*=wxRE_DEFAULT*/)
{
    addTest(new RegExCompileTestCase(
                (_T("/") + Conv(pattern) + _T("/") + FlagStr(flags)).mb_str(),
                Conv(pattern), correct, flags));
}

// Add a match test
//
void wxRegExTestSuite::add(
    const char *pattern,
    const char *text,
    const char *expected /*=NULL*/,
    int flags /*=wxRE_DEFAULT*/)
{
    wxString name;

    name << _T("'") << Conv(text) << _T("' =~ /") << Conv(pattern) << _T("/")
         << FlagStr(flags);
    name.Replace(_T("\n"), _T("\\n"));

    addTest(new RegExMatchTestCase(name.mb_str(), Conv(pattern),
                                   Conv(text), expected, flags));
}

// Add a replace test
//
void wxRegExTestSuite::add(
    const char *pattern,
    const char *text,
    const char *replacement,
    const char *expected,
    size_t count,
    int flags /*=wxRE_DEFAULT*/)
{
    wxString name;

    name << _T("'") << Conv(text) << _T("' =~ s/") << Conv(pattern) << _T("/")
         << Conv(replacement) << _T("/g") << FlagStr(flags);
    name.Replace(_T("\n"), _T("\\n"));

    addTest(new RegExReplaceTestCase(
                    name.mb_str(), Conv(pattern), Conv(text),
                    Conv(replacement), Conv(expected), count, flags));
}

// Display string for the flags
//
wxString wxRegExTestSuite::FlagStr(int flags)
{
    wxString str;

    if (!flags)
        return str;

    for (int i = 0; (unsigned)flags >> i; i++) {
        switch (flags & (1 << i)) {
            case 0: break;
#ifdef wxHAS_REGEX_ADVANCED
            case wxRE_ADVANCED: str += _T(" | wxRE_ADVANCED"); break;
#endif
            case wxRE_BASIC:    str += _T(" | wxRE_BASIC"); break;
            case wxRE_ICASE:    str += _T(" | wxRE_ICASE"); break;
            case wxRE_NOSUB:    str += _T(" | wxRE_NOSUB"); break;
            case wxRE_NEWLINE:  str += _T(" | wxRE_NEWLINE"); break;
            case wxRE_NOTBOL:   str += _T(" | wxRE_NOTBOL"); break;
            case wxRE_NOTEOL:   str += _T(" | wxRE_NOTEOL"); break;
            default: wxFAIL; break;
        }
    }

    return _T(" (") + str.Mid(3) + _T(")");
};

// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION(wxRegExTestSuite);

// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(wxRegExTestSuite, "wxRegExTestSuite");


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