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_set> 11 12 // unordered_set(unordered_set&&) 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 #include <unordered_set> 19 #include <cassert> 20 21 #include "../../../MoveOnly.h" 22 #include "test_allocator.h" 23 24 template <class T> 25 struct some_comp 26 { 27 typedef T value_type; 28 some_comp(const some_comp&); 29 }; 30 31 template <class T> 32 struct some_hash 33 { 34 typedef T value_type; 35 some_hash(); 36 some_hash(const some_hash&); 37 }; 38 39 int main() 40 { 41 #if __has_feature(cxx_noexcept) 42 { 43 typedef std::unordered_set<MoveOnly> C; 44 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 45 } 46 { 47 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, 48 std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C; 49 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 50 } 51 { 52 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, 53 std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C; 54 static_assert(std::is_nothrow_move_constructible<C>::value, ""); 55 } 56 { 57 typedef std::unordered_set<MoveOnly, some_hash<MoveOnly>> C; 58 static_assert(!std::is_nothrow_move_constructible<C>::value, ""); 59 } 60 { 61 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, 62 some_comp<MoveOnly>> C; 63 static_assert(!std::is_nothrow_move_constructible<C>::value, ""); 64 } 65 #endif 66 } 67