gcc/libstdc++-v3/testsuite/experimental/iterator/ostream_joiner.cc
2021-01-04 10:26:59 +01:00

74 lines
1.7 KiB
C++

// Copyright (C) 2015-2021 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++14 } }
#include <experimental/iterator>
#include <sstream>
#include <testsuite_hooks.h>
#ifndef __cpp_lib_experimental_ostream_joiner
# error Feature-test macro is not defined.
#elif __cpp_lib_experimental_ostream_joiner < 201411
# error Feature-test macro has bad value.
#endif
using std::experimental::ostream_joiner;
void
test01()
{
std::ostringstream os;
ostream_joiner<int> joiner{os, 9};
for (int i : { 1, 2, 3, 4, 5 })
*joiner++ = i;
VERIFY( os.str() == "192939495" );
}
void
test02()
{
std::ostringstream os;
ostream_joiner<char> joiner{os, ','};
for (int i : { 1, 2, 3, 4, 5 })
{
*joiner = i;
++joiner;
}
VERIFY( os.str() == "1,2,3,4,5" );
}
void
test03()
{
#if _GLIBCXX_USE_WCHAR_T
std::wostringstream os;
ostream_joiner<wchar_t, wchar_t> joiner{os, L','};
for (int i : { 1, 2, 3, 4, 5 })
*joiner++ = i;
VERIFY( os.str() == L"1,2,3,4,5" );
#endif
}
int
main()
{
test01();
test02();
test03();
}