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

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// 1999-06-10 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.
// 21.3.6.7 basic_string::substr
#include <string>
#include <stdexcept>
#ifdef DEBUG_ASSERT
#include <assert.h>
#endif
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 char str_lit01[] = "rockaway, pacifica";
const std::string str01(str_lit01);
std::string str02;
// basic_string<charT, _Traits, _Alloc>
// substr(size_type pos = 0, size_type n = npos) const;
csz01 = str01.size();
str02 = str01.substr(0, 1);
test &= str02 == "r";
str02 = str01.substr(10);
test &= str02 == "pacifica";
try {
str02 = str01.substr(csz01 + 1);
test &= false;
}
catch(std::out_of_range& fail) {
test &= true;
}
catch(...) {
test &= false;
}
try {
str02 = str01.substr(csz01);
test &= str02.size() == 0;
}
catch(std::out_of_range& fail) {
test &= false;
}
catch(...) {
test &= false;
}
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
}