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 27 template <class T> 28 struct 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 35 template <class T> 36 struct 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 45 int 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
