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 // class forward_list 13 14 // bool empty() const noexcept; 15 16 #include <forward_list> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "min_allocator.h" 21 main()22int main() 23 { 24 { 25 typedef std::forward_list<int> C; 26 C c; 27 ASSERT_NOEXCEPT(c.empty()); 28 assert(c.empty()); 29 c.push_front(C::value_type(1)); 30 assert(!c.empty()); 31 c.clear(); 32 assert(c.empty()); 33 } 34 #if TEST_STD_VER >= 11 35 { 36 typedef std::forward_list<int, min_allocator<int>> C; 37 C c; 38 ASSERT_NOEXCEPT(c.empty()); 39 assert(c.empty()); 40 c.push_front(C::value_type(1)); 41 assert(!c.empty()); 42 c.clear(); 43 assert(c.empty()); 44 } 45 #endif 46 } 47