| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <unordered_map> |
| |
| // unordered_map(unordered_map&&) |
| // noexcept(is_nothrow_move_constructible<allocator_type>::value && |
| // is_nothrow_move_constructible<key_compare>::value); |
| |
| // This tests a conforming extension |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <unordered_map> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "MoveOnly.h" |
| #include "test_allocator.h" |
| |
| template <class T> |
| struct some_comp |
| { |
| typedef T value_type; |
| some_comp(const some_comp&); |
| bool operator()(const T&, const T&) const { return false; } |
| }; |
| |
| template <class T> |
| struct some_hash |
| { |
| typedef T value_type; |
| some_hash(); |
| some_hash(const some_hash&); |
| |
| std::size_t operator()(T const&) const; |
| }; |
| |
| int main(int, char**) |
| { |
| #if defined(_LIBCPP_VERSION) |
| { |
| typedef std::unordered_map<MoveOnly, MoveOnly> C; |
| static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>, |
| std::equal_to<MoveOnly>, test_allocator<std::pair<const MoveOnly, MoveOnly>>> C; |
| static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>, |
| std::equal_to<MoveOnly>, other_allocator<std::pair<const MoveOnly, MoveOnly>>> C; |
| static_assert(std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| #endif // _LIBCPP_VERSION |
| { |
| typedef std::unordered_map<MoveOnly, MoveOnly, some_hash<MoveOnly>> C; |
| static_assert(!std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>, |
| some_comp<MoveOnly>> C; |
| static_assert(!std::is_nothrow_move_constructible<C>::value, ""); |
| } |
| |
| return 0; |
| } |