gcc/libstdc++-v3/testsuite/21_strings/element_access.cc

101 lines
2.4 KiB
C++
Raw Normal View History

// 1999-06-08 bkoz
// Copyright (C) 1999 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 21.3.4 basic_string element access
#include <string>
#include <stdexcept>
#include <debug_assert.h>
bool test01(void)
{
bool test = true;
typedef std::string::size_type csize_type;
typedef std::string::const_reference cref;
typedef std::string::reference ref;
csize_type npos = std::string::npos;
csize_type csz01, csz02;
const std::string str01("tamarindo, costa rica");
std::string str02("14th street beach, capitola, california");
std::string str03;
// const_reference operator[] (size_type pos) const;
csz01 = str01.size();
cref cref1 = str01[csz01 - 1];
VERIFY( cref1 == 'a' );
cref cref2 = str01[csz01];
VERIFY( cref2 == char() );
// reference operator[] (size_type pos);
csz02 = str02.size();
ref ref1 = str02[csz02 - 1];
VERIFY( ref1 == 'a' );
ref ref2 = str02[1];
VERIFY( ref2 == '4' );
// const_reference at(size_type pos) const;
csz01 = str01.size();
cref cref3 = str01.at(csz01 - 1);
VERIFY( cref3 == 'a' );
try {
cref cref4 = str01.at(csz01);
VERIFY( false ); // Should not get here, as exception thrown.
}
catch(std::out_of_range& fail) {
VERIFY( true );
}
catch(...) {
VERIFY( false );
}
// reference at(size_type pos);
csz01 = str02.size();
ref ref3 = str02.at(csz02 - 1);
VERIFY( ref3 == 'a' );
try {
ref ref4 = str02.at(csz02);
VERIFY( false ); // Should not get here, as exception thrown.
}
catch(std::out_of_range& fail) {
VERIFY( true );
}
catch(...) {
VERIFY( false );
}
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
}