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 // map() 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 // UNSUPPORTED: c++98, c++03 21 22 #include <map> 23 #include <cassert> 24 25 #include "test_macros.h" 26 #include "MoveOnly.h" 27 #include "test_allocator.h" 28 29 template <class T> 30 struct some_comp 31 { 32 typedef T value_type; 33 some_comp(); 34 bool operator()(const T&, const T&) const { return false; } 35 }; 36 37 int main() 38 { 39 typedef std::pair<const MoveOnly, MoveOnly> V; 40 #if defined(_LIBCPP_VERSION) 41 { 42 typedef std::map<MoveOnly, MoveOnly> C; 43 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 44 } 45 { 46 typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C; 47 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 48 } 49 #endif // _LIBCPP_VERSION 50 { 51 typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C; 52 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 53 } 54 { 55 typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C; 56 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 57 } 58 } 59
