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_multiset() 13 // noexcept( 14 // is_nothrow_default_constructible<allocator_type>::value && 15 // is_nothrow_default_constructible<key_compare>::value && 16 // is_nothrow_copy_constructible<key_compare>::value); 17 18 // This tests a conforming extension 19 20 #include <unordered_set> 21 #include <cassert> 22 23 #include "../../../MoveOnly.h" 24 #include "test_allocator.h" 25 #include "../../../test_hash.h" 26 27 template <class T> 28 struct some_comp 29 { 30 typedef T value_type; 31 some_comp(); 32 some_comp(const some_comp&); 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 43 int main() 44 { 45 #if __has_feature(cxx_noexcept) 46 { 47 typedef std::unordered_multiset<MoveOnly> C; 48 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 49 } 50 { 51 typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>, 52 std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C; 53 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 54 } 55 { 56 typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>, 57 std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C; 58 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 59 } 60 { 61 typedef std::unordered_multiset<MoveOnly, some_hash<MoveOnly>> C; 62 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 63 } 64 { 65 typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>, 66 some_comp<MoveOnly>> C; 67 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 68 } 69 #endif 70 } 71
