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 // <forward_list> 11 12 // forward_list() 13 // noexcept(is_nothrow_default_constructible<allocator_type>::value); 14 15 // This tests a conforming extension 16 17 // UNSUPPORTED: c++98, c++03 18 19 #include <forward_list> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "MoveOnly.h" 24 #include "test_allocator.h" 25 26 template <class T> 27 struct some_alloc 28 { 29 typedef T value_type; 30 some_alloc(const some_alloc&); 31 }; 32 33 int main() 34 { 35 #if defined(_LIBCPP_VERSION) 36 { 37 typedef std::forward_list<MoveOnly> C; 38 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 39 } 40 { 41 typedef std::forward_list<MoveOnly, test_allocator<MoveOnly>> C; 42 static_assert(std::is_nothrow_default_constructible<C>::value, ""); 43 } 44 #endif // _LIBCPP_VERSION 45 { 46 typedef std::forward_list<MoveOnly, other_allocator<MoveOnly>> C; 47 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 48 } 49 { 50 typedef std::forward_list<MoveOnly, some_alloc<MoveOnly>> C; 51 static_assert(!std::is_nothrow_default_constructible<C>::value, ""); 52 } 53 } 54
