73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// { dg-do run { target c++11 } }
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// Copyright (C) 2011-2016 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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#include <memory>
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#include <limits>
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#include <type_traits>
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#include <testsuite_hooks.h>
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struct X { };
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template<typename T>
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struct maxsize_allocator
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{
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typedef T value_type;
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typedef unsigned size_type;
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size_type max_size() const { return 100; }
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};
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template<typename T>
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struct unsized_allocator
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{
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typedef T value_type;
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};
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void test01()
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{
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typedef std::allocator_traits<maxsize_allocator<X>> traits_type;
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traits_type::allocator_type a;
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auto size = a.max_size();
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VERIFY( traits_type::max_size(a) == size );
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}
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void test02()
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{
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typedef std::allocator_traits<unsized_allocator<X>> traits_type;
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traits_type::allocator_type a;
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auto size = std::numeric_limits<traits_type::size_type>::max();
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VERIFY( traits_type::max_size(a) == size / sizeof(X) );
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}
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void test03()
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{
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typedef std::allocator_traits<unsized_allocator<int>> traits_type;
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traits_type::allocator_type a;
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auto size = std::numeric_limits<traits_type::size_type>::max();
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VERIFY( traits_type::max_size(a) == size / sizeof(int) );
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}
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int main()
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{
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test01();
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test02();
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test03();
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}
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