1 // { dg-options "-std=gnu++0x" }
4 // Copyright (C) 2013 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
23 #include <unordered_map>
29 MoveOnly(MoveOnly&&) = default;
32 using hash = std::hash<int>;
33 using equal = std::equal_to<int>;
35 template<typename Alloc>
36 using test_type = std::unordered_map<int, MoveOnly, hash, equal, Alloc>;
40 typedef test_type<std::allocator<MoveOnly>> uim;
42 v.emplace_back(uim());
45 // Unordered containers don't use allocator_traits yet so need full
46 // Allocator interface, derive from std::allocator to get it.
47 template<typename T, bool R>
48 struct Alloc : std::allocator<T>
51 struct rebind { typedef Alloc<U, R> other; };
56 Alloc(const Alloc<U, R>&) { }
58 typedef typename std::conditional<R, T&&, const T&>::type arg_type;
60 void construct(T* p, arg_type) const
61 { new((void*)p) T(); }
64 // verify is_copy_constructible depends on allocator
65 typedef test_type<Alloc<MoveOnly, true>> uim_rval;
66 static_assert(!std::is_copy_constructible<uim_rval>::value, "is not copyable");
68 typedef test_type<Alloc<MoveOnly, false>> uim_lval;
69 static_assert(std::is_copy_constructible<uim_lval>::value, "is copyable");