git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58069 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			253 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			253 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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// Name:        tests/strings/crt.cpp
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// Purpose:     Test for wx C runtime functions wrappers
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// Author:      Vaclav Slavik
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// Created:     2004-06-03
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// RCS-ID:      $Id$
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// Copyright:   (c) 2004 Vaclav Slavik
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// Licence:     wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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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 // WX_PRECOMP
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#include "wx/textfile.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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static const char *strMB = "hello, world";
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static const wchar_t *strWC = L"hello, world";
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static const wxString strWX("hello, world");
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class CrtTestCase : public CppUnit::TestCase
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{
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public:
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    CrtTestCase() {}
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private:
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    CPPUNIT_TEST_SUITE( CrtTestCase );
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        CPPUNIT_TEST( SetGetEnv );
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        CPPUNIT_TEST( Strcmp );
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        CPPUNIT_TEST( Strspn );
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        CPPUNIT_TEST( Strcspn );
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        CPPUNIT_TEST( Strpbrk );
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        CPPUNIT_TEST( Strnlen );
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    CPPUNIT_TEST_SUITE_END();
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    void SetGetEnv();
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    void Strcmp();
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    void Strspn();
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    void Strcspn();
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    void Strpbrk();
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    void Strnlen();
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    DECLARE_NO_COPY_CLASS(CrtTestCase)
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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( CrtTestCase );
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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( CrtTestCase, "CrtTestCase" );
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void CrtTestCase::SetGetEnv()
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{
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    wxString val;
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    wxSetEnv(_T("TESTVAR"), _T("value"));
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    CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), &val) == true );
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    CPPUNIT_ASSERT( val == _T("value") );
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    wxSetEnv(_T("TESTVAR"), _T("something else"));
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    CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), &val) );
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    CPPUNIT_ASSERT( val == _T("something else") );
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    CPPUNIT_ASSERT( wxUnsetEnv(_T("TESTVAR")) );
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    CPPUNIT_ASSERT( wxGetEnv(_T("TESTVAR"), NULL) == false );
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}
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void CrtTestCase::Strcmp()
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{
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    // this code tests if all possible ways of calling wxStrcmp() compile:
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    const char * const char1 = "first";
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    const wchar_t * const wchar1 = L"first";
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    wxString str1("first");
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    wxCStrData cstr1(str1.c_str());
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    wxCharBuffer charbuf1(char1);
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    wxWCharBuffer wcharbuf1(wchar1);
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    const char * const char2 = "last";
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    const wchar_t * const wchar2 = L"last";
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    wxString str2("last");
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    wxCStrData cstr2(str2.c_str());
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    wxCharBuffer charbuf2(char2);
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    wxWCharBuffer wcharbuf2(wchar2);
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    CPPUNIT_ASSERT( wxStrcmp(char1, char2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(char1, wchar2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(char1, str2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(char1, cstr2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(char1, charbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(char1, wcharbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wchar1, char2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wchar1, wchar2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wchar1, str2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wchar1, cstr2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wchar1, charbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wchar1, wcharbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(str1, char2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(str1, wchar2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(str1, str2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(str1, cstr2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(str1, charbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(str1, wcharbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(cstr1, char2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(cstr1, wchar2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(cstr1, str2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(cstr1, cstr2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(cstr1, charbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(cstr1, wcharbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(charbuf1, char2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(charbuf1, wchar2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(charbuf1, str2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(charbuf1, cstr2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(charbuf1, charbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(charbuf1, wcharbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, char2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wchar2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, str2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, cstr2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, charbuf2) < 0 );
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    CPPUNIT_ASSERT( wxStrcmp(wcharbuf1, wcharbuf2) < 0 );
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}
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void CrtTestCase::Strspn()
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{
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "xyz") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "xyz") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "xyz") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, L"xyz") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, L"xyz") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, L"xyz") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strMB, "hleo") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWC, "hleo") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrspn(strWX, "hleo") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strMB, "ld") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWC, "ld") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrspn(strWX, "ld") );
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    CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strMB, strWC) );
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    CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWC, strWX) );
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    CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrspn(strWX, strMB) );
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}
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void CrtTestCase::Strcspn()
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{
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, strWX) );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, strMB) );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, strWC) );
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    CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strMB, ", ") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWC, ", ") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)5, wxStrcspn(strWX, ", ") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strMB, "hel") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWC, "hel") );
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    CPPUNIT_ASSERT_EQUAL( (size_t)0, wxStrcspn(strWX, "hel") );
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    CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strMB, "xy") );
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    CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWC, "xy") );
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    CPPUNIT_ASSERT_EQUAL( strWX.length(), wxStrcspn(strWX, "xy") );
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}
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void CrtTestCase::Strpbrk()
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{
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    const wxString s(", ");
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB,  ", ") );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, L", ") );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX,  ", ") );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, L", ") );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB, s) );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX, s) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX.c_str(), s) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB, s.c_str()) );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.c_str()) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX, s.c_str()) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX.c_str(), s.c_str()) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strMB, s.mb_str()) );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWC, s.wc_str()) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX, s.mb_str()) );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX, s.wc_str()) );
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    CPPUNIT_ASSERT_EQUAL(  ',', *wxStrpbrk(strWX.c_str(), s.mb_str()) );
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    CPPUNIT_ASSERT_EQUAL( L',', *wxStrpbrk(strWX.c_str(), s.wc_str()) );
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    CPPUNIT_ASSERT_EQUAL( (char *)NULL, wxStrpbrk(strWX, "xyz") );
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    CPPUNIT_ASSERT_EQUAL( (wchar_t *)NULL, wxStrpbrk(strWX.c_str(), L"xyz") );
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}
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void CrtTestCase::Strnlen()
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{
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    // the following calls should not segfault/crash because when passing 0
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    // as maxlen, no bytes at all should be read from the given buffer
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    // (which is NULL in this case!)
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen((const char*)NULL, 0) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen((const wchar_t*)NULL, 0) );
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    // other misc tests for wxStrnlen(const char*, size_t)
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen("", 0) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen("", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen("1234", 0) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)2, wxStrnlen("1234", 2) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen("1234", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)7, wxStrnlen("1234567", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen("12345678", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen("123456789", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)9, wxStrnlen("123456789", 12) );
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    // other misc tests for wxStrnlen(const wchar_t*, size_t)
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen(L"", 0) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen(L"", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)0, wxStrnlen(L"1234", 0) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)2, wxStrnlen(L"1234", 2) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen(L"1234", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)7, wxStrnlen(L"1234567", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen(L"12345678", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)8, wxStrnlen(L"123456789", 8) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)9, wxStrnlen(L"123456789", 12) );
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    // wxStrlen() is only for NULL-terminated strings:
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    CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen("1234" "\0" "78", 12) );
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    CPPUNIT_ASSERT_EQUAL(  (size_t)4, wxStrnlen(L"1234" L"\0" L"5678", 12) );
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}
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