wxWidgets/tests/strings/crt.cpp
2009-01-13 12:01:30 +00:00

253 lines
9.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/crt.cpp
// Purpose: Test for wx C runtime functions wrappers
// Author: Vaclav Slavik
// Created: 2004-06-03
// RCS-ID: $Id$
// Copyright: (c) 2004 Vaclav Slavik
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include "wx/textfile.h"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
static const char *strMB = "hello, world";
static const wchar_t *strWC = L"hello, world";
static const wxString strWX("hello, world");
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class CrtTestCase : public CppUnit::TestCase
{
public:
CrtTestCase() {}
private:
CPPUNIT_TEST_SUITE( CrtTestCase );
CPPUNIT_TEST( SetGetEnv );
CPPUNIT_TEST( Strcmp );
CPPUNIT_TEST( Strspn );
CPPUNIT_TEST( Strcspn );
CPPUNIT_TEST( Strpbrk );
CPPUNIT_TEST( Strnlen );
CPPUNIT_TEST_SUITE_END();
void SetGetEnv();
void Strcmp();
void Strspn();
void Strcspn();
void Strpbrk();
void Strnlen();
DECLARE_NO_COPY_CLASS(CrtTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( CrtTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( CrtTestCase, "CrtTestCase" );
void CrtTestCase::SetGetEnv()
{
wxString val;
wxSetEnv(_T("TESTVAR"), _T("value"));
CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), &val) == true );
CPPUNIT_ASSERT( val == _T("value") );
wxSetEnv(_T("TESTVAR"), _T("something else"));
CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), &val) );
CPPUNIT_ASSERT( val == _T("something else") );
CPPUNIT_ASSERT( wxUnsetEnv(_T("TESTVAR")) );
CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), NULL) == false );
}
void CrtTestCase::Strcmp()
{
// this code tests if all possible ways of calling wxStrcmp() compile:
const char * const char1 = "first";
const wchar_t * const wchar1 = L"first";
wxString str1("first");
wxCStrData cstr1(str1.c_str());
wxCharBuffer charbuf1(char1);
wxWCharBuffer wcharbuf1(wchar1);
const char * const char2 = "last";
const wchar_t * const wchar2 = L"last";
wxString str2("last");
wxCStrData cstr2(str2.c_str());
wxCharBuffer charbuf2(char2);
wxWCharBuffer wcharbuf2(wchar2);
CPPUNIT_ASSERT( wxStrcmp(char1, char2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(char1, wchar2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(char1, str2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(char1, cstr2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(char1, charbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(char1, wcharbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wchar1, char2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wchar1, wchar2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wchar1, str2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wchar1, cstr2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wchar1, charbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wchar1, wcharbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(str1, char2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(str1, wchar2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(str1, str2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(str1, cstr2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(str1, charbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(str1, wcharbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(cstr1, char2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(cstr1, wchar2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(cstr1, str2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(cstr1, cstr2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(cstr1, charbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(cstr1, wcharbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(charbuf1, char2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(charbuf1, wchar2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(charbuf1, str2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(charbuf1, cstr2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(charbuf1, charbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(charbuf1, wcharbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, char2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wchar2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, str2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, cstr2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, charbuf2) < 0 );
CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wcharbuf2) < 0 );
}
void CrtTestCase::Strspn()
{
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "xyz") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "xyz") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "xyz") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, L"xyz") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, L"xyz") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, L"xyz") );
CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strMB, "hleo") );
CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWC, "hleo") );
CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWX, "hleo") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "ld") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "ld") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "ld") );
CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strMB, strWC) );
CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWC, strWX) );
CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWX, strMB) );
}
void CrtTestCase::Strcspn()
{
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, strWX) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, strMB) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, strWC) );
CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strMB, ", ") );
CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWC, ", ") );
CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWX, ", ") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, "hel") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, "hel") );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, "hel") );
CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strMB, "xy") );
CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWC, "xy") );
CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWX, "xy") );
}
void CrtTestCase::Strpbrk()
{
const wxString s(", ");
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, ", ") );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, L", ") );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, ", ") );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, L", ") );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, s) );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, s) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX.c_str(), s) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, s.c_str()) );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.c_str()) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, s.c_str()) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX.c_str(), s.c_str()) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strMB, s.mb_str()) );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.wc_str()) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX, s.mb_str()) );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, s.wc_str()) );
CPPUNIT_ASSERT_EQUAL( ',', *wxStrpbrk(strWX.c_str(), s.mb_str()) );
CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX.c_str(), s.wc_str()) );
CPPUNIT_ASSERT_EQUAL( (char *)NULL, wxStrpbrk(strWX, "xyz") );
CPPUNIT_ASSERT_EQUAL( (wchar_t *)NULL, wxStrpbrk(strWX.c_str(), L"xyz") );
}
void CrtTestCase::Strnlen()
{
// the following calls should not segfault/crash because when passing 0
// as maxlen, no bytes at all should be read from the given buffer
// (which is NULL in this case!)
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen((const char*)NULL, 0) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen((const wchar_t*)NULL, 0) );
// other misc tests for wxStrnlen(const char*, size_t)
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("", 0) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen("1234", 0) );
CPPUNIT_ASSERT_EQUAL( (size_t)2, wxStrnlen("1234", 2) );
CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen("1234", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)7, wxStrnlen("1234567", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen("12345678", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen("123456789", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)9, wxStrnlen("123456789", 12) );
// other misc tests for wxStrnlen(const wchar_t*, size_t)
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L"", 0) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L"", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrnlen(L"1234", 0) );
CPPUNIT_ASSERT_EQUAL( (size_t)2, wxStrnlen(L"1234", 2) );
CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen(L"1234", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)7, wxStrnlen(L"1234567", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen(L"12345678", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)8, wxStrnlen(L"123456789", 8) );
CPPUNIT_ASSERT_EQUAL( (size_t)9, wxStrnlen(L"123456789", 12) );
// wxStrlen() is only for NULL-terminated strings:
CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen("1234" "\0" "78", 12) );
CPPUNIT_ASSERT_EQUAL( (size_t)4, wxStrnlen(L"1234" L"\0" L"5678", 12) );
}