wxWidgets/tests/strings/strings.cpp
2004-06-28 10:46:07 +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 "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include "wx/tokenzr.h"
#include "wx/cppunit.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 );
#endif
CPPUNIT_TEST( Extraction );
CPPUNIT_TEST( Find );
CPPUNIT_TEST( Tokenizer );
CPPUNIT_TEST( Replace );
CPPUNIT_TEST( Match );
CPPUNIT_TEST( CaseChanges );
CPPUNIT_TEST_SUITE_END();
void String();
void PChar();
void Format();
void Constructors();
#if wxUSE_WCHAR_T
void ConstructorsWithConversion();
#endif
void Extraction();
void Find();
void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
void Tokenizer();
void Replace();
void Match();
void CaseChanges();
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()
{
// D<>j`a in UTF-8 and wchar_t:
const char utf8[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
const char utf8sub[] = {0x44,0xC3,0xA9,0x6A,0}; // "Dej"
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 );
}
#endif
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 );
}
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") );
#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
}