mirror of git://gcc.gnu.org/git/gcc.git
96 lines
4.5 KiB
C++
96 lines
4.5 KiB
C++
// Copyright (C) 2015-2019 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 compile { target c++14 } }
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#include <experimental/buffer>
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using namespace std::experimental::net;
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using std::vector;
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using std::string;
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using std::char_traits;
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using std::allocator;
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template<typename T>
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struct Seq {
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struct Buf {
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operator T() const { return {}; }
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};
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Buf* begin() const { return nullptr; }
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Buf* end() const { return nullptr; }
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};
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static_assert( is_mutable_buffer_sequence<mutable_buffer>::value,
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"mutable_buffer is a mutable buffer sequence" );
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static_assert( is_mutable_buffer_sequence<const mutable_buffer>::value,
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"const mutable_buffer is a mutable buffer sequence" );
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static_assert( is_mutable_buffer_sequence<vector<mutable_buffer>>::value,
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"vector<mutable_buffer> is a mutable buffer sequence" );
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static_assert( is_mutable_buffer_sequence<const vector<mutable_buffer>>::value,
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"const vector<mutable_buffer> is a mutable buffer sequence" );
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static_assert( is_mutable_buffer_sequence<Seq<mutable_buffer>>::value,
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"Seq<mutable_buffer> is a mutable buffer sequence" );
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static_assert( is_mutable_buffer_sequence<const Seq<mutable_buffer>>::value,
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"const Seq<mutable_buffer> is a mutable buffer sequence" );
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static_assert( is_mutable_buffer_sequence<Seq<const mutable_buffer>>::value,
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"Seq<const mutable_buffer> is a mutable buffer sequence" );
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static_assert( ! is_mutable_buffer_sequence<const_buffer>::value,
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"const_buffer is not a mutable buffer sequence" );
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static_assert( ! is_mutable_buffer_sequence<vector<const_buffer>>::value,
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"vector<const_buffer> is not a mutable buffer sequence" );
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static_assert( ! is_mutable_buffer_sequence<Seq<const_buffer>>::value,
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"Seq<const_buffer> is not a mutable buffer sequence" );
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static_assert( is_const_buffer_sequence<const_buffer>::value,
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"const_buffer is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<const const_buffer>::value,
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"const const_buffer is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<vector<const_buffer>>::value,
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"vector<const_buffer> is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<const vector<const_buffer>>::value,
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"const vector<const_buffer> is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<Seq<const_buffer>>::value,
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"Seq<const_buffer> is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<const Seq<const_buffer>>::value,
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"const Seq<const_buffer> is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<Seq<const const_buffer>>::value,
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"Seq<const const_buffer> is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<mutable_buffer>::value,
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"mutable_buffer is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<const mutable_buffer>::value,
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"const mutable_buffer is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<vector<mutable_buffer>>::value,
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"vector<mutable_buffer> is a const buffer sequence" );
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static_assert( is_const_buffer_sequence<const vector<mutable_buffer>>::value,
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"const vector<mutable_buffer> is a const buffer sequence" );
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// Buf -> mutable_buffer -> const_buffer needs two user-defined conversions:
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static_assert( ! is_const_buffer_sequence<Seq<mutable_buffer>>::value,
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"Seq<mutable_buffer> is not a const buffer sequence" );
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static_assert( is_dynamic_buffer<
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dynamic_vector_buffer<int, allocator<int>>
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>::value, "dynamic_vector_buffer is a dynamic buffer" );
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static_assert( is_dynamic_buffer<
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dynamic_string_buffer<char, char_traits<char>, allocator<int>>
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>::value, "dynamic_string_buffer is a dynamic buffer" );
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static_assert( ! is_dynamic_buffer<vector<int>>::value,
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"vector is not a dynamic buffer" );
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static_assert( ! is_dynamic_buffer<string>::value,
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"string is not a dynamic buffer" );
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