1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <unordered_map> 11 12// unordered_map(unordered_map&&) 13// noexcept(is_nothrow_move_constructible<allocator_type>::value && 14// is_nothrow_move_constructible<key_compare>::value); 15 16// This tests a conforming extension 17 18// UNSUPPORTED: c++98, c++03 19 20#include <unordered_map> 21#include <cassert> 22 23#include "test_macros.h" 24#include "MoveOnly.h" 25#include "test_allocator.h" 26 27template <class T> 28struct some_comp 29{ 30 typedef T value_type; 31 some_comp(const some_comp&); 32 bool operator()(const T&, const T&) const { return false; } 33}; 34 35template <class T> 36struct some_hash 37{ 38 typedef T value_type; 39 some_hash(); 40 some_hash(const some_hash&); 41 42 std::size_t operator()(T const&) const; 43}; 44 45int main() 46{ 47#if defined(_LIBCPP_VERSION) 48 { 49 typedef std::unordered_map<MoveOnly, MoveOnly> C; 50 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 51 } 52 { 53 typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>, 54 std::equal_to<MoveOnly>, test_allocator<std::pair<const MoveOnly, MoveOnly>>> C; 55 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 56 } 57 { 58 typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>, 59 std::equal_to<MoveOnly>, other_allocator<std::pair<const MoveOnly, MoveOnly>>> C; 60 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 61 } 62#endif // _LIBCPP_VERSION 63 { 64 typedef std::unordered_map<MoveOnly, MoveOnly, some_hash<MoveOnly>> C; 65 static_assert(!std::is_nothrow_move_constructible<C>::value, ""); 66 } 67 { 68 typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>, 69 some_comp<MoveOnly>> C; 70 static_assert(!std::is_nothrow_move_constructible<C>::value, ""); 71 } 72} 73