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 // <map> 11 12 // multimap() 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 <map> 21 #include <cassert> 22 23 #include "MoveOnly.h" 24 #include "test_allocator.h" 25 26 template <class T> 27 struct some_comp 28 { 29 typedef T value_type; 30 some_comp(); 31 }; 32 33 int main() 34 { 35 #if __has_feature(cxx_noexcept) 36 typedef std::pair<const MoveOnly, MoveOnly> V; 37 { 38 typedef std::multimap<MoveOnly, MoveOnly> C; 39 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 40 } 41 { 42 typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C; 43 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 44 } 45 { 46 typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C; 47 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 48 } 49 { 50 typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C; 51 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 52 } 53 #endif 54 } 55