wxWidgets/tests/strings/tokenizer.cpp
Vadim Zeitlin 5ad1f9028d Unicode compilation fix
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36742 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-01-06 21:44:44 +00:00

273 lines
8.6 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/strings.cpp
// Purpose: wxStringTokenizer unit test
// Author: Vadim Zeitlin
// Created: 2005-12-20 (extacted from strings.cpp)
// RCS-ID: $Id$
// Copyright: (c) 2004-2005 Vadim Zeitlin
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include "wx/tokenzr.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class TokenizerTestCase : public CppUnit::TestCase
{
public:
TokenizerTestCase() { }
private:
CPPUNIT_TEST_SUITE( TokenizerTestCase );
CPPUNIT_TEST( GetCount );
CPPUNIT_TEST( GetPosition );
CPPUNIT_TEST( GetString );
CPPUNIT_TEST( LastDelimiter );
CPPUNIT_TEST( StrtokCompat );
CPPUNIT_TEST_SUITE_END();
void GetCount();
void GetPosition();
void GetString();
void LastDelimiter();
void StrtokCompat();
DECLARE_NO_COPY_CLASS(TokenizerTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( TokenizerTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TokenizerTestCase, "TokenizerTestCase" );
// ----------------------------------------------------------------------------
// test data
// ----------------------------------------------------------------------------
static const struct TokenizerTestData
{
// the string to tokenize
const wxChar *str;
// the delimiters to use
const wxChar *delims;
// the tokenizer mode
wxStringTokenizerMode mode;
// expected number of tokens
size_t count;
}
gs_testData[] =
{
{ _T(""), _T(" "), wxTOKEN_DEFAULT, 0 },
{ _T(""), _T(" "), wxTOKEN_RET_EMPTY, 0 },
{ _T(""), _T(" "), wxTOKEN_RET_EMPTY_ALL, 0 },
{ _T(""), _T(" "), wxTOKEN_RET_DELIMS, 0 },
{ _T(":"), _T(":"), wxTOKEN_RET_EMPTY, 1 },
{ _T(":"), _T(":"), wxTOKEN_RET_DELIMS, 1 },
{ _T(":"), _T(":"), wxTOKEN_RET_EMPTY_ALL, 2 },
{ _T("::"), _T(":"), wxTOKEN_RET_EMPTY, 1 },
{ _T("::"), _T(":"), wxTOKEN_RET_DELIMS, 1 },
{ _T("::"), _T(":"), wxTOKEN_RET_EMPTY_ALL, 3 },
{ _T("Hello, world"), _T(" "), wxTOKEN_DEFAULT, 2 },
{ _T("Hello, world "), _T(" "), wxTOKEN_DEFAULT, 2 },
{ _T("Hello, world"), _T(","), wxTOKEN_DEFAULT, 2 },
{ _T("Hello, world!"), _T(",!"), wxTOKEN_DEFAULT, 2 },
{ _T("Hello,, world!"), _T(",!"), wxTOKEN_DEFAULT, 3 },
{ _T("Hello,, world!"), _T(",!"), wxTOKEN_STRTOK, 2 },
{ _T("Hello, world!"), _T(",!"), wxTOKEN_RET_EMPTY_ALL, 3 },
{ _T("username:password:uid:gid:gecos:home:shell"),
_T(":"), wxTOKEN_DEFAULT, 7 },
{ _T("1:2::3:"), _T(":"), wxTOKEN_DEFAULT, 4 },
{ _T("1:2::3:"), _T(":"), wxTOKEN_RET_EMPTY, 4 },
{ _T("1:2::3:"), _T(":"), wxTOKEN_RET_EMPTY_ALL, 5 },
{ _T("1:2::3:"), _T(":"), wxTOKEN_RET_DELIMS, 4 },
{ _T("1:2::3:"), _T(":"), wxTOKEN_STRTOK, 3 },
{ _T("1:2::3::"), _T(":"), wxTOKEN_DEFAULT, 4 },
{ _T("1:2::3::"), _T(":"), wxTOKEN_RET_EMPTY, 4 },
{ _T("1:2::3::"), _T(":"), wxTOKEN_RET_EMPTY_ALL, 6 },
{ _T("1:2::3::"), _T(":"), wxTOKEN_RET_DELIMS, 4 },
{ _T("1:2::3::"), _T(":"), wxTOKEN_STRTOK, 3 },
{ _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_DEFAULT, 4 },
{ _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_STRTOK, 4 },
{ _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_RET_EMPTY, 6 },
{ _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, wxTOKEN_RET_EMPTY_ALL, 9 },
{ _T("01/02/99"), _T("/-"), wxTOKEN_DEFAULT, 3 },
{ _T("01-02/99"), _T("/-"), wxTOKEN_RET_DELIMS, 3 },
};
// helper function returning the string showing the index for which the test
// fails in the diagnostic message
static std::string Nth(size_t n)
{
return std::string(wxString::Format(_T("for loop index %lu"),
(unsigned long)n).mb_str());
}
// ----------------------------------------------------------------------------
// the tests
// ----------------------------------------------------------------------------
void TokenizerTestCase::GetCount()
{
for ( size_t n = 0; n < WXSIZEOF(gs_testData); n++ )
{
const TokenizerTestData& ttd = gs_testData[n];
wxStringTokenizer tkz(ttd.str, ttd.delims, ttd.mode);
CPPUNIT_ASSERT_EQUAL_MESSAGE( Nth(n), ttd.count, tkz.CountTokens() );
size_t count = 0;
while ( tkz.HasMoreTokens() )
{
tkz.GetNextToken();
count++;
}
CPPUNIT_ASSERT_EQUAL_MESSAGE( Nth(n), ttd.count, count );
}
}
// call this with the string to tokenize, delimeters to use and the expected
// positions (i.e. results of GetPosition()) after each GetNextToken() call,
// terminate positions with 0
static void
DoTestGetPosition(const wxChar *s, const wxChar *delims, int pos, ...)
{
wxStringTokenizer tkz(s, delims);
CPPUNIT_ASSERT_EQUAL( (size_t)0, tkz.GetPosition() );
va_list ap;
va_start(ap, pos);
for ( ;; )
{
if ( !pos )
{
CPPUNIT_ASSERT( !tkz.HasMoreTokens() );
break;
}
tkz.GetNextToken();
CPPUNIT_ASSERT_EQUAL( (size_t)pos, tkz.GetPosition() );
pos = va_arg(ap, int);
}
va_end(ap);
}
void TokenizerTestCase::GetPosition()
{
DoTestGetPosition(_T("foo"), _T("_"), 3, 0);
DoTestGetPosition(_T("foo_bar"), _T("_"), 4, 7, 0);
DoTestGetPosition(_T("foo_bar_"), _T("_"), 4, 8, 0);
}
// helper for GetString(): the parameters are the same as for DoTestGetPosition
// but it checks GetString() return value instead of GetPosition()
static void
DoTestGetString(const wxChar *s, const wxChar *delims, int pos, ...)
{
wxStringTokenizer tkz(s, delims);
CPPUNIT_ASSERT_EQUAL( wxString(s), tkz.GetString() );
va_list ap;
va_start(ap, pos);
for ( ;; )
{
if ( !pos )
{
CPPUNIT_ASSERT_EQUAL( wxString(), tkz.GetString() );
break;
}
tkz.GetNextToken();
CPPUNIT_ASSERT_EQUAL( wxString(s + pos), tkz.GetString() );
pos = va_arg(ap, int);
}
va_end(ap);
}
void TokenizerTestCase::GetString()
{
DoTestGetString(_T("foo"), _T("_"), 3, 0);
DoTestGetString(_T("foo_bar"), _T("_"), 4, 7, 0);
DoTestGetString(_T("foo_bar_"), _T("_"), 4, 8, 0);
}
void TokenizerTestCase::LastDelimiter()
{
wxStringTokenizer tkz(_T("a+-b=c"), _T("+-="));
tkz.GetNextToken();
CPPUNIT_ASSERT_EQUAL( _T('+'), tkz.GetLastDelimiter() );
tkz.GetNextToken();
CPPUNIT_ASSERT_EQUAL( _T('-'), tkz.GetLastDelimiter() );
tkz.GetNextToken();
CPPUNIT_ASSERT_EQUAL( _T('='), tkz.GetLastDelimiter() );
tkz.GetNextToken();
CPPUNIT_ASSERT_EQUAL( _T('\0'), tkz.GetLastDelimiter() );
}
void TokenizerTestCase::StrtokCompat()
{
for ( size_t n = 0; n < WXSIZEOF(gs_testData); n++ )
{
const TokenizerTestData& ttd = gs_testData[n];
if ( ttd.mode != wxTOKEN_STRTOK )
continue;
#if wxUSE_UNICODE
wxWCharBuffer
#else
wxCharBuffer
#endif
buf(ttd.str);
wxChar *last;
wxChar *s = wxStrtok(buf.data(), ttd.delims, &last);
wxStringTokenizer tkz(ttd.str, ttd.delims, ttd.mode);
while ( tkz.HasMoreTokens() )
{
CPPUNIT_ASSERT_EQUAL( wxString(s), tkz.GetNextToken() );
s = wxStrtok(NULL, ttd.delims, &last);
}
}
}