gcc/libstdc++-v3/testsuite/27_io/ios_manip_fmtflags.cc
Benjamin Kosnik b2dad0e372 libstdc++-v3: New directory.
2000-04-21  Benjamin Kosnik  <bkoz@redhat.com>

	* libstdc++-v3: New directory.

From-SVN: r33317
2000-04-21 20:33:34 +00:00

124 lines
3.5 KiB
C++

// 981027 ncm work with libstdc++v3
// Copyright (C) 1997-1999, 2000 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.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#include <iostream>
#include <sstream>
#include <locale>
#include <iomanip>
#ifdef DEBUG_ASSERT
#include <assert.h>
#endif
struct MyNP : std::numpunct<char>
{
std::string do_truename() const;
std::string do_falsename() const;
};
std::string MyNP::do_truename() const { static std::string s("yea"); return s; }
std::string MyNP::do_falsename() const { static std::string s("nay"); return s; }
void test01()
{
std::cout << true << " " << false << std::endl;
std::cout << std::boolalpha;
std::cout << true << " " << false << std::endl;
std::cout << ":" << std::setw(6) << std::internal << true << ":" << std::endl;
std::cout << ":" << std::setw(6) << std::left << true << ":" << std::endl;
std::cout << ":" << std::setw(6) << std::right << false << ":" << std::endl;
std::cout << std::noboolalpha;
std::cout << ":" << std::setw(3) << std::internal << true << ":" << std::endl;
std::cout << ":" << std::setw(3) << std::left << true << ":" << std::endl;
std::cout << ":" << std::setw(3) << std::right << false << ":" << std::endl;
std::locale loc = std::locale (std::locale(), new MyNP);
std::cout.imbue(loc);
std::cout << std::boolalpha;
std::cout << true << " " << false << std::endl;
std::cout << ":" << std::setw(6) << std::internal << true << ":" << std::endl;
std::cout << ":" << std::setw(6) << std::left << true << ":" << std::endl;
std::cout << ":" << std::setw(6) << std::right << false << ":" << std::endl;
#ifdef DEBUG_ASSERT
assert (std::cout.good());
#endif
}
void test02()
{
bool test = true;
const std::string strue("true");
const std::string sfalse("false");
std::string str01;
std::string str02;
std::locale loc("");
std::ostringstream ostr01;
ostr01.imbue(loc);
std::ios_base::fmtflags ff = ostr01.flags(std::ios_base::boolalpha);
ostr01 << true;
str02 = ostr01.str();
test &= str02 == strue;
ostr01.str(str01);
ostr01 << false;
str02 = ostr01.str();
test &= str02 == sfalse;
#ifdef DEBUG_ASSERT
assert(test);
#endif
}
int main() {
test01();
test02();
return 0;
}
// Projected output:
/*
1 0
true false
: true:
:true :
: false:
: 1:
:1 :
: 0:
yea nay
: yea:
:yea :
: nay:
*/