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// Copyright (C) 2015-2018 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/buffer>
#include <testsuite_hooks.h>
using std::experimental::net::const_buffer;
using std::experimental::net::mutable_buffer;
void
test01()
{
using B = const_buffer;
const B b;
static_assert( std::is_nothrow_default_constructible<B>::value,
"const_mutable is nothrow default constructible" );
static_assert( std::is_copy_assignable<B>::value,
"const_mutable is copy assignable" );
static_assert( std::is_nothrow_constructible<B, const void*, size_t>::value,
"const_mutable is nothrow constructible from pointer and length" );
static_assert( std::is_nothrow_constructible<B, mutable_buffer>::value,
"const_mutable is nothrow constructible from mutable_buffer" );
static_assert( std::is_same<decltype(b.data()), const void*>::value,
"data() return const void*" );
static_assert( noexcept(b.data()),
"data() is nothrow" );
static_assert( std::is_same<decltype(b.size()), size_t>::value,
"size() return size_t" );
static_assert( noexcept(b.size()),
"size() is nothrow" );
}
void
test02()
{
bool test __attribute__((unused)) = false;
char c[4];
const_buffer b;
VERIFY( b.data() == nullptr );
VERIFY( b.size() == 0 );
b = const_buffer(c, sizeof(c));
VERIFY( b.data() == c );
VERIFY( b.size() == sizeof(c) );
b = const_buffer{};
VERIFY( b.data() == nullptr );
VERIFY( b.size() == 0 );
}
int
main()
{
test01();
test02();
}
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