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wxWidgets/tests/strings/strings.cpp
Ryan Norton 4629f07ed2 Add reverse case too 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33495 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-04-11 09:13:11 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/strings.cpp
// Purpose: wxString unit test
// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
// Created: 2004-04-19
// RCS-ID: $Id$
// Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// 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 StringTestCase : public CppUnit::TestCase
{
public:
StringTestCase();
private:
CPPUNIT_TEST_SUITE( StringTestCase );
CPPUNIT_TEST( String );
CPPUNIT_TEST( PChar );
CPPUNIT_TEST( Format );
CPPUNIT_TEST( Constructors );
#if wxUSE_WCHAR_T
CPPUNIT_TEST( ConstructorsWithConversion );
CPPUNIT_TEST( Conversion );
CPPUNIT_TEST( ConversionUTF7 );
CPPUNIT_TEST( ConversionUTF8 );
#endif // wxUSE_WCHAR_T
CPPUNIT_TEST( Extraction );
CPPUNIT_TEST( Find );
CPPUNIT_TEST( Tokenizer );
CPPUNIT_TEST( TokenizerGetPosition );
CPPUNIT_TEST( Replace );
CPPUNIT_TEST( Match );
CPPUNIT_TEST( CaseChanges );
CPPUNIT_TEST( Compare );
CPPUNIT_TEST( CompareNoCase );
CPPUNIT_TEST_SUITE_END();
void String();
void PChar();
void Format();
void Constructors();
#if wxUSE_WCHAR_T
void ConstructorsWithConversion();
void Conversion();
void ConversionUTF7();
void ConversionUTF8();
#endif // wxUSE_WCHAR_T
void Extraction();
void Find();
void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
void Tokenizer();
void TokenizerGetPosition();
void Replace();
void Match();
void CaseChanges();
void Compare();
void CompareNoCase();
#if wxUSE_WCHAR_T
// test if converting s using the given encoding gives ws and vice versa
//
// if either of the first 2 arguments is NULL, the conversion is supposed
// to fail
void DoTestConversion(const char *s, const wchar_t *w, wxCSConv& conv);
#endif // wxUSE_WCHAR_T
DECLARE_NO_COPY_CLASS(StringTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
StringTestCase::StringTestCase()
{
}
void StringTestCase::String()
{
wxString a, b, c;
a.reserve (128);
b.reserve (128);
c.reserve (128);
for (int i = 0; i < 2; ++i)
{
a = _T("Hello");
b = _T(" world");
c = _T("! How'ya doin'?");
a += b;
a += c;
c = _T("Hello world! What's up?");
CPPUNIT_ASSERT( c != a );
}
}
void StringTestCase::PChar()
{
wxChar a [128];
wxChar b [128];
wxChar c [128];
for (int i = 0; i < 2; ++i)
{
wxStrcpy (a, _T("Hello"));
wxStrcpy (b, _T(" world"));
wxStrcpy (c, _T("! How'ya doin'?"));
wxStrcat (a, b);
wxStrcat (a, c);
wxStrcpy (c, _T("Hello world! What's up?"));
CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
}
}
void StringTestCase::Format()
{
wxString s1,s2;
s1.Printf(_T("%03d"), 18);
CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
s2.Printf(_T("Number 18: %s\n"), s1.c_str());
CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
}
void StringTestCase::Constructors()
{
#define TEST_CTOR(args, res) \
{ \
wxString s args ; \
CPPUNIT_ASSERT( s == res ); \
}
TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
TEST_CTOR((_T("Hello"), 4), _T("Hell"));
TEST_CTOR((_T("Hello"), 5), _T("Hello"));
static const wxChar *s = _T("?really!");
const wxChar *start = wxStrchr(s, _T('r'));
const wxChar *end = wxStrchr(s, _T('!'));
TEST_CTOR((start, end), _T("really"));
}
#if wxUSE_WCHAR_T
void StringTestCase::ConstructorsWithConversion()
{
// the string "D<>j<EFBFBD>" in UTF-8 and wchar_t:
const unsigned char utf8Buf[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
const unsigned char utf8subBuf[] = {0x44,0xC3,0xA9,0x6A,0}; // just "D<>j"
const char *utf8 = (char *)utf8Buf;
const char *utf8sub = (char *)utf8subBuf;
wxString s1(utf8, wxConvUTF8);
wxString s2(wchar, wxConvUTF8);
#if wxUSE_UNICODE
CPPUNIT_ASSERT( s1 == wchar );
CPPUNIT_ASSERT( s2 == wchar );
#else
CPPUNIT_ASSERT( s1 == utf8 );
CPPUNIT_ASSERT( s2 == utf8 );
#endif
wxString sub(utf8sub, wxConvUTF8); // "Dej" substring
wxString s3(utf8, wxConvUTF8, 4);
wxString s4(wchar, wxConvUTF8, 3);
CPPUNIT_ASSERT( s3 == sub );
CPPUNIT_ASSERT( s4 == sub );
#if wxUSE_UNICODE
CPPUNIT_ASSERT ( wxString("\t[pl]open.format.Sformatuj dyskietk<74>=gfloppy %f",
wxConvUTF8) == wxT("") ); //should stop at pos 35
#endif
}
void StringTestCase::Conversion()
{
#if wxUSE_UNICODE
wxString szTheString(L"The\0String", wxConvLibc, 10);
wxCharBuffer theBuffer = szTheString.mb_str();
CPPUNIT_ASSERT( memcmp(theBuffer.data(), "The\0String", 11) == 0 );
wxString szTheString2("The\0String", wxConvLocal, 10);
CPPUNIT_ASSERT( szTheString2.length() == 11 );
CPPUNIT_ASSERT( wxTmemcmp(szTheString2.c_str(), L"The\0String", 11) == 0 );
#else
wxString szTheString(wxT("TheString"));
szTheString.insert(3, 1, '\0');
wxWCharBuffer theBuffer = szTheString.wc_str(wxConvLibc);
CPPUNIT_ASSERT( memcmp(theBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
wxString szLocalTheString(wxT("TheString"));
szLocalTheString.insert(3, 1, '\0');
wxWCharBuffer theLocalBuffer = szLocalTheString.wc_str(wxConvLocal);
CPPUNIT_ASSERT( memcmp(theLocalBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
#endif
}
void
StringTestCase::DoTestConversion(const char *s,
const wchar_t *ws,
wxCSConv& conv)
{
#if wxUSE_UNICODE
if ( ws )
{
wxCharBuffer buf(wxString(ws).mb_str(conv));
CPPUNIT_ASSERT( strcmp(buf, s) == 0 );
}
#else // wxUSE_UNICODE
if ( s )
{
wxWCharBuffer wbuf(wxString(s).wc_str(conv));
if ( ws )
CPPUNIT_ASSERT( wcscmp(wbuf, ws) == 0 );
else
CPPUNIT_ASSERT( !*wbuf );
}
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
}
struct StringConversionData
{
const char *str;
const wchar_t *wcs;
};
void StringTestCase::ConversionUTF7()
{
static const StringConversionData utf7data[] =
{
{ "+-", L"+" },
{ "+--", L"+-" },
//\u isn't recognized on MSVC 6
#if !defined(_MSC_VER)
#if !defined(__GNUC__) || (__GNUC__ >= 3)
{ "+AKM-", L"\u00a3" },
#endif
#endif
// Windows accepts invalid UTF-7 strings and so does our UTF-7
// conversion code -- this is wrong IMO but the way it is for now
//
// notice that converting "+" still behaves as expected because the
// result is just an empty string, i.e. the same as if there were an
// error, but converting "a+" results in "a" while it really should
// fail
{ "+", NULL },
{ "a+", L"a" },
};
wxCSConv conv(_T("utf-7"));
for ( size_t n = 0; n < WXSIZEOF(utf7data); n++ )
{
const StringConversionData& d = utf7data[n];
DoTestConversion(d.str, d.wcs, conv);
}
}
void StringTestCase::ConversionUTF8()
{
static const StringConversionData utf8data[] =
{
//\u isn't recognized on MSVC 6
#if !defined(_MSC_VER)
#if !defined(__GNUC__) || (__GNUC__ >= 3)
{ "\xc2\xa3", L"\u00a3" },
#endif
#endif
{ "\xc2", NULL },
};
wxCSConv conv(_T("utf-8"));
for ( size_t n = 0; n < WXSIZEOF(utf8data); n++ )
{
const StringConversionData& d = utf8data[n];
DoTestConversion(d.str, d.wcs, conv);
}
}
#endif // wxUSE_WCHAR_T
void StringTestCase::Extraction()
{
wxString s(_T("Hello, world!"));
CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
wxString rest;
#define TEST_STARTS_WITH( prefix , correct_rest, result ) \
CPPUNIT_ASSERT( \
( s.StartsWith( prefix, &rest ) == result ) && \
( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
)
TEST_STARTS_WITH( _T("Hello"), _T(", world!"), true );
TEST_STARTS_WITH( _T("Hello, "), _T("world!"), true );
TEST_STARTS_WITH( _T("Hello, world!"), _T(""), true );
TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""), false );
TEST_STARTS_WITH( _T(""), _T("Hello, world!"), true );
TEST_STARTS_WITH( _T("Goodbye"), _T(""), false );
TEST_STARTS_WITH( _T("Hi"), _T(""), false );
#undef TEST_STARTS_WITH
}
void StringTestCase::Find()
{
#define TEST_FIND( str , start , result ) \
CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
TEST_FIND( _T("Well, hello world"), 0, 1 );
TEST_FIND( _T("Well, hello world"), 6, 7 );
TEST_FIND( _T("Well, hello world"), 9, wxString::npos );
#undef TEST_FIND
}
void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
{
wxStringTokenizer tkz( str, delims, mode);
CPPUNIT_ASSERT( tkz.CountTokens() == count );
wxChar *buf, *s = NULL, *last;
if ( tkz.GetMode() == wxTOKEN_STRTOK )
{
buf = new wxChar[wxStrlen(str) + 1];
wxStrcpy(buf, str);
s = wxStrtok(buf, delims, &last);
}
else
{
buf = NULL;
}
size_t count2 = 0;
while ( tkz.HasMoreTokens() )
{
wxString token = tkz.GetNextToken();
if ( buf )
{
CPPUNIT_ASSERT( token == s );
s = wxStrtok(NULL, delims, &last);
}
count2++;
}
CPPUNIT_ASSERT( count2 == count );
if ( buf )
{
delete [] buf;
}
}
void StringTestCase::Tokenizer()
{
SingleTokenizerTest( _T(""), _T(" "), 0, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("Hello, world"), _T(" "), 2, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("Hello, world "), _T(" "), 2, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("Hello, world"), _T(","), 2, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("Hello, world!"), _T(",!"), 2, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("Hello,, world!"), _T(",!"), 3, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("Hello, world!"), _T(",!"), 3, wxTOKEN_RET_EMPTY_ALL );
SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"), 7, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY );
SingleTokenizerTest( _T("1 \t3\t4 6 "), wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
SingleTokenizerTest( _T("01/02/99"), _T("/-"), 3, wxTOKEN_DEFAULT );
SingleTokenizerTest( _T("01-02/99"), _T("/-"), 3, wxTOKEN_RET_DELIMS );
}
// 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 DoTokenizerGetPosition(const wxChar *s,
const wxChar *delims, int pos, ...)
{
wxStringTokenizer tkz(s, delims);
CPPUNIT_ASSERT( tkz.GetPosition() == 0 );
va_list ap;
va_start(ap, pos);
for ( ;; )
{
if ( !pos )
{
CPPUNIT_ASSERT( !tkz.HasMoreTokens() );
break;
}
tkz.GetNextToken();
CPPUNIT_ASSERT( tkz.GetPosition() == (size_t)pos );
pos = va_arg(ap, int);
}
va_end(ap);
}
void StringTestCase::TokenizerGetPosition()
{
DoTokenizerGetPosition(_T("foo"), _T("_"), 3, 0);
DoTokenizerGetPosition(_T("foo_bar"), _T("_"), 4, 7, 0);
DoTokenizerGetPosition(_T("foo_bar_"), _T("_"), 4, 8, 0);
}
void StringTestCase::Replace()
{
#define TEST_REPLACE( original , pos , len , replacement , result ) \
{ \
wxString s = original; \
s.replace( pos , len , replacement ); \
CPPUNIT_ASSERT( s == result ); \
}
TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"), _T("012-BWORD-XYZ") );
TEST_REPLACE( _T("increase"), 0, 2, _T("de"), _T("decrease") );
TEST_REPLACE( _T("wxWindow"), 8, 0, _T("s"), _T("wxWindows") );
TEST_REPLACE( _T("foobar"), 3, 0, _T("-"), _T("foo-bar") );
TEST_REPLACE( _T("barfoo"), 0, 6, _T("foobar"), _T("foobar") );
#define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
{ \
wxString s(o,olen); \
s.replace( pos , len , replacement ); \
CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
}
TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
_T("null\0dhar"), 9 );
#define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
{ \
wxString s(o,olen); \
s.Replace( olds, news, all ); \
CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
}
TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
_T("null\0dehar"), 10 );
TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
_T("null\0char"), 9 );
#undef TEST_WXREPLACE
#undef TEST_NULLCHARREPLACE
#undef TEST_REPLACE
}
void StringTestCase::Match()
{
#define TEST_MATCH( s1 , s2 , result ) \
CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
TEST_MATCH( _T("foobar"), _T("foo*"), true );
TEST_MATCH( _T("foobar"), _T("*oo*"), true );
TEST_MATCH( _T("foobar"), _T("*bar"), true );
TEST_MATCH( _T("foobar"), _T("??????"), true );
TEST_MATCH( _T("foobar"), _T("f??b*"), true );
TEST_MATCH( _T("foobar"), _T("f?b*"), false );
TEST_MATCH( _T("foobar"), _T("*goo*"), false );
TEST_MATCH( _T("foobar"), _T("*foo"), false );
TEST_MATCH( _T("foobarfoo"), _T("*foo"), true );
TEST_MATCH( _T(""), _T("*"), true );
TEST_MATCH( _T(""), _T("?"), false );
#undef TEST_MATCH
}
void StringTestCase::CaseChanges()
{
wxString s1(_T("Hello!"));
wxString s1u(s1);
wxString s1l(s1);
s1u.MakeUpper();
s1l.MakeLower();
wxString s2u, s2l;
s2u.MakeUpper();
s2l.MakeLower();
CPPUNIT_ASSERT( s1u == _T("HELLO!") );
CPPUNIT_ASSERT( s1l == _T("hello!") );
CPPUNIT_ASSERT( s2u == wxEmptyString );
CPPUNIT_ASSERT( s2l == wxEmptyString );
#if !wxUSE_UNICODE
wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
if ( locRu.IsOk() )
{
// try upper casing 8bit strings
wxString sUpper("\xdf"),
sLower("\xff");
CPPUNIT_ASSERT( sUpper.Lower() == sLower );
CPPUNIT_ASSERT( sLower.Upper() == sUpper );
}
#endif // !wxUSE_UNICODE
}
void StringTestCase::Compare()
{
wxString s1 = wxT("AHH");
wxString eq = wxT("AHH");
wxString neq1 = wxT("HAH");
wxString neq2 = wxT("AH");
wxString neq3 = wxT("AHHH");
wxString neq4 = wxT("AhH");
CPPUNIT_ASSERT( s1 == eq );
CPPUNIT_ASSERT( s1 != neq1 );
CPPUNIT_ASSERT( s1 != neq2 );
CPPUNIT_ASSERT( s1 != neq3 );
CPPUNIT_ASSERT( s1 != neq4 );
// wxString _s1 = wxT("A\0HH");
// wxString _eq = wxT("A\0HH");
// wxString _neq1 = wxT("H\0AH");
// wxString _neq2 = wxT("A\0H");
// wxString _neq3 = wxT("A\0HHH");
// wxString _neq4 = wxT("A\0hH");
s1.insert(1,1,'\0');
eq.insert(1,1,'\0');
neq1.insert(1,1,'\0');
neq2.insert(1,1,'\0');
neq3.insert(1,1,'\0');
neq4.insert(1,1,'\0');
CPPUNIT_ASSERT( s1 == eq );
CPPUNIT_ASSERT( s1 != neq1 );
CPPUNIT_ASSERT( s1 != neq2 );
CPPUNIT_ASSERT( s1 != neq3 );
CPPUNIT_ASSERT( s1 != neq4 );
}
void StringTestCase::CompareNoCase()
{
wxString s1 = wxT("AHH");
wxString eq = wxT("AHH");
wxString eq2 = wxT("AhH");
wxString eq3 = wxT("ahh");
wxString neq = wxT("HAH");
wxString neq2 = wxT("AH");
wxString neq3 = wxT("AHHH");
#define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
#define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
CPPUNIT_CNCEQ_ASSERT( s1, eq );
CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
CPPUNIT_CNCNEQ_ASSERT( s1, neq );
CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
// wxString _s1 = wxT("A\0HH");
// wxString _eq = wxT("A\0HH");
// wxString _eq2 = wxT("A\0hH");
// wxString _eq3 = wxT("a\0hh");
// wxString _neq = wxT("H\0AH");
// wxString _neq2 = wxT("A\0H");
// wxString _neq3 = wxT("A\0HHH");
s1.insert(1,1,'\0');
eq.insert(1,1,'\0');
eq2.insert(1,1,'\0');
eq3.insert(1,1,'\0');
neq.insert(1,1,'\0');
neq2.insert(1,1,'\0');
neq3.insert(1,1,'\0');
CPPUNIT_CNCEQ_ASSERT( s1, eq );
CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
CPPUNIT_CNCNEQ_ASSERT( s1, neq );
CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
}
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