Retro68/gcc/libstdc++-v3/testsuite/22_locale/codecvt/utf8.cc
2017-10-07 02:16:47 +02:00

77 lines
2.2 KiB
C++

// Copyright (C) 2015-2017 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++11 } }
// { dg-require-cstdint "" }
#include <locale>
#include <iterator>
#include <string>
#include <testsuite_hooks.h>
const char expected[] = u8"£¥€";
const std::size_t expected_len = std::char_traits<char>::length(expected);
template<typename C>
void test(const C* from)
{
auto len = std::char_traits<C>::length(from);
std::mbstate_t state{};
char buf[16] = { };
using test_type = std::codecvt<C, char, std::mbstate_t>;
const test_type& cvt = std::use_facet<test_type>(std::locale::classic());
auto from_end = from + len;
auto from_next = from;
auto buf_end = std::end(buf);
auto buf_next = buf;
auto res = cvt.out(state, from, from_end, from_next, buf, buf_end, buf_next);
VERIFY( res == std::codecvt_base::ok );
VERIFY( from_next == from_end );
VERIFY( (buf_next - buf) == expected_len );
VERIFY( 0 == std::char_traits<char>::compare(buf, expected, expected_len) );
C buf2[16];
auto exp_end = expected + expected_len;
auto exp_next = expected;
auto buf2_end = std::end(buf2);
auto buf2_next = buf2;
res = cvt.in(state, expected, exp_end, exp_next, buf2, buf2_end, buf2_next);
VERIFY( res == std::codecvt_base::ok );
VERIFY( exp_next == exp_end );
VERIFY( (buf2_next - buf2) == len );
VERIFY( 0 == std::char_traits<C>::compare(buf2, from, len) );
}
void
test01()
{
test(u"£¥€");
}
void
test02()
{
test(U"£¥€");
}
int
main()
{
test01();
test02();
}