git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33401 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			340 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			340 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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// Name:        tests/regex/wxregex.cpp
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// Purpose:     Test wxRegEx
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// Author:      Vadim Zeitlin, Mike Wetherell
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// RCS-ID:      $Id$
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// Copyright:   Vadim Zeitlin, Mike Wetherell
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// Licence:     wxWidgets licence
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///////////////////////////////////////////////////////////////////////////////
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#include "testprec.h"
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#ifdef __BORLANDC__
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#   pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#   include "wx/wx.h"
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#endif
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#if wxUSE_REGEX
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#include "wx/regex.h"
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#include "wx/tokenzr.h"
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#include <string>
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using CppUnit::Test;
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using CppUnit::TestCase;
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using CppUnit::TestSuite;
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using std::string;
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///////////////////////////////////////////////////////////////////////////////
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// Compile Test
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class RegExCompileTestCase : public TestCase
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{
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public:
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    RegExCompileTestCase(const char *name, const wxString& pattern,
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                         bool correct, int flags)
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    :   TestCase(name),
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        m_pattern(pattern),
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        m_correct(correct),
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        m_flags(flags)
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    { }
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protected:
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    void runTest();
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private:
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    wxString m_pattern;
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    bool m_correct;
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    int m_flags;
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};
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void RegExCompileTestCase::runTest()
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{
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    wxRegEx re;
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    bool ok = re.Compile(m_pattern, m_flags);
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    if (m_correct)
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        CPPUNIT_ASSERT_MESSAGE("compile failed", ok);
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    else
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        CPPUNIT_ASSERT_MESSAGE("compile succeeded (should fail)", !ok);
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}
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///////////////////////////////////////////////////////////////////////////////
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// Match Test
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class RegExMatchTestCase : public TestCase
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{
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public:
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    RegExMatchTestCase(const char *name, const wxString& pattern,
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                       const wxString& text, const char *expected,
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                       int flags)
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    :   TestCase(name),
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        m_pattern(pattern),
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        m_text(text),
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        m_expected(expected),
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        m_flags(flags)
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    { }
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protected:
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    void runTest();
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private:
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    wxString m_pattern;
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    wxString m_text;
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    const char *m_expected;
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    int m_flags;
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};
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void RegExMatchTestCase::runTest()
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{
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    int compileFlags = m_flags & ~(wxRE_NOTBOL | wxRE_NOTEOL);
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    int matchFlags = m_flags & (wxRE_NOTBOL | wxRE_NOTEOL);
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    wxRegEx re(m_pattern, compileFlags);
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    CPPUNIT_ASSERT_MESSAGE("compile failed", re.IsValid());
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    bool ok = re.Matches(m_text, matchFlags);
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    if (m_expected) {
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        CPPUNIT_ASSERT_MESSAGE("match failed", ok);
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        wxStringTokenizer tkz(wxString(m_expected, *wxConvCurrent),
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                              _T("\t"), wxTOKEN_RET_EMPTY);
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        size_t i;
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        for (i = 0; i < re.GetMatchCount() && tkz.HasMoreTokens(); i++) {
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            wxString expected = tkz.GetNextToken();
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            wxString result = re.GetMatch(m_text, i);
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            wxString msgstr;
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            msgstr.Printf(_T("\\%d == '%s' (expected '%s')"),
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                          (int)i, result.c_str(), expected.c_str());
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            CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(),
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                                   result == expected);
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        }
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        if ((m_flags & wxRE_NOSUB) == 0)
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            CPPUNIT_ASSERT(re.GetMatchCount() == i);
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    }
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    else {
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        CPPUNIT_ASSERT_MESSAGE("match succeeded (should fail)", !ok);
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    }
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}
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///////////////////////////////////////////////////////////////////////////////
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// Replacement Test
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class RegExReplaceTestCase : public TestCase
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{
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public:
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    RegExReplaceTestCase(const char *name, const wxString& pattern,
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                         const wxString& text, const wxString& repl,
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                         const wxString& expected, size_t count, int flags)
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    :   TestCase(name),
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        m_pattern(pattern),
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        m_text(text),
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        m_repl(repl),
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        m_expected(expected),
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        m_count(count),
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        m_flags(flags)
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    { }
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protected:
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    void runTest();
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private:
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    wxString m_pattern;
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    wxString m_text;
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    wxString m_repl;
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    wxString m_expected;
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    size_t m_count;
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    int m_flags;
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};
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void RegExReplaceTestCase::runTest()
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{
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    wxRegEx re(m_pattern, m_flags);
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    wxString text(m_text);
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    size_t nRepl = re.Replace(&text, m_repl);
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    wxString msgstr;
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    msgstr.Printf(_T("returns '%s' (expected '%s')"), text.c_str(), m_expected.c_str());
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    CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), text == m_expected);
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    msgstr.Printf(_T("matches %d times (expected %d)"), (int)nRepl, (int)m_count);
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    CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), nRepl == m_count);
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}
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///////////////////////////////////////////////////////////////////////////////
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// The suite
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class wxRegExTestSuite : public TestSuite
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{
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public:
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    wxRegExTestSuite() : TestSuite("wxRegExTestSuite") { }
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    static Test *suite();
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private:
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    void add(const char *pattern, bool correct, int flags = wxRE_DEFAULT);
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    void add(const char *pattern, const char *text,
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             const char *expected = NULL, int flags = wxRE_DEFAULT);
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    void add(const char *pattern, const char *text, const char *replacement,
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             const char *expected, size_t count, int flags = wxRE_DEFAULT);
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    static wxString FlagStr(int flags);
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    static wxString Conv(const char *str) { return wxString(str, *wxConvCurrent); }
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};
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// Build the suite (static)
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//
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Test *wxRegExTestSuite::suite()
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{
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    wxRegExTestSuite *suite = new wxRegExTestSuite;
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    // Compile tests
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    // pattern, expected result
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    suite->add("foo", true);
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    suite->add("foo(", false);
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    suite->add("foo(bar", false);
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    suite->add("foo(bar)", true);
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    suite->add("foo[", false);
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    suite->add("foo[bar", false);
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    suite->add("foo[bar]", true);
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    suite->add("foo{1", false);
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    suite->add("foo{1}", true);
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    suite->add("foo{1,2}", true);
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    suite->add("foo*", true);
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    suite->add("foo+", true);
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    suite->add("foo?", true);
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    // Match tests
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    // pattern, text, expected results (match, followed by submatches
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    // tab separated, or NULL for no match expected)
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    suite->add("foo", "bar");
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    suite->add("foo", "foobar", "foo");
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    suite->add("^foo", "foobar", "foo");
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    suite->add("^foo", "barfoo");
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    suite->add("bar$", "barbar", "bar");
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    suite->add("bar$", "barbar ");
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    suite->add("OoBa", "FoObAr", "oObA", wxRE_ICASE);
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    suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA\nbb\nCC");
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    suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA", wxRE_NEWLINE);
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    suite->add("^[a-z].*$", "AA\nbb\nCC", "bb", wxRE_NEWLINE);
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    suite->add("^[A-Z].*$", "AA\nbb\nCC", "CC", wxRE_NEWLINE | wxRE_NOTBOL);
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    suite->add("^[A-Z].*$", "AA\nbb\nCC", NULL, wxRE_NEWLINE | wxRE_NOTBOL | wxRE_NOTEOL);
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    suite->add("([[:alpha:]]+) ([[:alpha:]]+) ([[:digit:]]+).* ([[:digit:]]+)$",
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        "Fri Jul 13 18:37:52 CEST 2001",
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        "Fri Jul 13 18:37:52 CEST 2001\tFri\tJul\t13\t2001");
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    // Replace tests
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    // pattern, text, replacement, expected result and number of matches
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    const char *patn = "([a-z]+)[^0-9]*([0-9]+)";
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    suite->add(patn, "foo123", "bar", "bar", 1);
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    suite->add(patn, "foo123", "\\2\\1", "123foo", 1);
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    suite->add(patn, "foo_123", "\\2\\1", "123foo", 1);
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    suite->add(patn, "123foo", "bar", "123foo", 0);
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    suite->add(patn, "123foo456foo", "&&", "123foo456foo456foo", 1);
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    suite->add(patn, "123foo456foo", "\\0\\0", "123foo456foo456foo", 1);
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    suite->add(patn, "foo123foo123", "bar", "barbar", 2);
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    suite->add(patn, "foo123_foo456_foo789", "bar", "bar_bar_bar", 3);
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    return suite;
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}
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// Add a compile test
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//
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void wxRegExTestSuite::add(
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    const char *pattern,
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    bool correct,
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    int flags /*=wxRE_DEFAULT*/)
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{
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    addTest(new RegExCompileTestCase(
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                (_T("/") + Conv(pattern) + _T("/") + FlagStr(flags)).mb_str(),
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                Conv(pattern), correct, flags));
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}
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// Add a match test
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//
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void wxRegExTestSuite::add(
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    const char *pattern,
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    const char *text,
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    const char *expected /*=NULL*/,
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    int flags /*=wxRE_DEFAULT*/)
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{
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    wxString name;
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    name << _T("'") << Conv(text) << _T("' =~ /") << Conv(pattern) << _T("/")
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         << FlagStr(flags);
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    name.Replace(_T("\n"), _T("\\n"));
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    addTest(new RegExMatchTestCase(name.mb_str(), Conv(pattern),
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                                   Conv(text), expected, flags));
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}
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// Add a replace test
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//
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void wxRegExTestSuite::add(
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    const char *pattern,
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    const char *text,
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    const char *replacement,
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    const char *expected,
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    size_t count,
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    int flags /*=wxRE_DEFAULT*/)
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{
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    wxString name;
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    name << _T("'") << Conv(text) << _T("' =~ s/") << Conv(pattern) << _T("/")
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         << Conv(replacement) << _T("/g") << FlagStr(flags);
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    name.Replace(_T("\n"), _T("\\n"));
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    addTest(new RegExReplaceTestCase(
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                    name.mb_str(), Conv(pattern), Conv(text),
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                    Conv(replacement), Conv(expected), count, flags));
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}
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// Display string for the flags
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//
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wxString wxRegExTestSuite::FlagStr(int flags)
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{
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    wxString str;
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    if (!flags)
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        return str;
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    for (int i = 0; (unsigned)flags >> i; i++) {
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        switch (flags & (1 << i)) {
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            case 0: break;
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#ifdef wxHAS_REGEX_ADVANCED
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            case wxRE_ADVANCED: str += _T(" | wxRE_ADVANCED"); break;
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#endif
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            case wxRE_BASIC:    str += _T(" | wxRE_BASIC"); break;
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            case wxRE_ICASE:    str += _T(" | wxRE_ICASE"); break;
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            case wxRE_NOSUB:    str += _T(" | wxRE_NOSUB"); break;
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            case wxRE_NEWLINE:  str += _T(" | wxRE_NEWLINE"); break;
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            case wxRE_NOTBOL:   str += _T(" | wxRE_NOTBOL"); break;
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            case wxRE_NOTEOL:   str += _T(" | wxRE_NOTEOL"); break;
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            default: wxFAIL; break;
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        }
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    }
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    return _T(" (") + str.Mid(3) + _T(")");
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};
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION(wxRegExTestSuite);
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// also include in it's own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(wxRegExTestSuite, "wxRegExTestSuite");
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#endif // wxUSE_REGEX
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