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// Copyright (C) 2019-2022 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++17 } }
// { dg-require-string-conversions "" }
#include <charconv>
#include <string_view>
#include <testsuite_hooks.h>
template<typename C>
bool
check_to_chars(C val)
{
using std::string_view;
char buf1[32], buf2[32], buf3[32];
std::to_chars_result r1 = std::to_chars(buf1, buf1+sizeof(buf1), val);
if (r1.ec != std::errc{})
return false;
std::to_chars_result r2 = std::to_chars(buf2, buf2+sizeof(buf2), val, 10);
if (r2.ec != std::errc{})
return false;
if (string_view(buf1, r1.ptr - buf1) != string_view(buf2, r2.ptr - buf2))
return false;
std::to_chars_result r3 = std::to_chars(buf3, buf3+sizeof(buf3), (long)val);
if (string_view(buf1, r1.ptr - buf1) != string_view(buf3, r3.ptr - buf3))
return false;
return true;
}
void
test01()
{
VERIFY( check_to_chars(u'\x21') );
VERIFY( check_to_chars(U'\x21') );
VERIFY( check_to_chars(L'\x21') );
}
int main()
{
test01();
}
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