75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// Copyright (C) 2015-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-do run { target c++14 } }
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#include <experimental/buffer>
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#include <testsuite_hooks.h>
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using std::experimental::net::const_buffer;
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using std::experimental::net::mutable_buffer;
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void
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test01()
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{
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using B = const_buffer;
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const B b;
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static_assert( std::is_nothrow_default_constructible<B>::value,
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"const_mutable is nothrow default constructible" );
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static_assert( std::is_copy_assignable<B>::value,
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"const_mutable is copy assignable" );
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static_assert( std::is_nothrow_constructible<B, const void*, size_t>::value,
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"const_mutable is nothrow constructible from pointer and length" );
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static_assert( std::is_nothrow_constructible<B, mutable_buffer>::value,
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"const_mutable is nothrow constructible from mutable_buffer" );
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static_assert( std::is_same<decltype(b.data()), const void*>::value,
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"data() return const void*" );
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static_assert( noexcept(b.data()),
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"data() is nothrow" );
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static_assert( std::is_same<decltype(b.size()), size_t>::value,
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"size() return size_t" );
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static_assert( noexcept(b.size()),
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"size() is nothrow" );
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}
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void
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test02()
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{
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bool test __attribute__((unused)) = false;
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char c[4];
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const_buffer b;
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VERIFY( b.data() == nullptr );
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VERIFY( b.size() == 0 );
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b = const_buffer(c, sizeof(c));
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VERIFY( b.data() == c );
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VERIFY( b.size() == sizeof(c) );
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b = const_buffer{};
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VERIFY( b.data() == nullptr );
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VERIFY( b.size() == 0 );
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}
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int
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main()
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{
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test01();
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test02();
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}
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