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 // void push_front(value_type&& v); 13 14 #include <forward_list> 15 #include <cassert> 16 17 #include "../../../MoveOnly.h" 18 #include "min_allocator.h" 19 main()20int main() 21 { 22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 23 { 24 typedef MoveOnly T; 25 typedef std::forward_list<T> C; 26 C c; 27 c.push_front(1); 28 assert(c.front() == 1); 29 assert(distance(c.begin(), c.end()) == 1); 30 c.push_front(3); 31 assert(c.front() == 3); 32 assert(*next(c.begin()) == 1); 33 assert(distance(c.begin(), c.end()) == 2); 34 } 35 #if __cplusplus >= 201103L 36 { 37 typedef MoveOnly T; 38 typedef std::forward_list<T, min_allocator<T>> C; 39 C c; 40 c.push_front(1); 41 assert(c.front() == 1); 42 assert(distance(c.begin(), c.end()) == 1); 43 c.push_front(3); 44 assert(c.front() == 3); 45 assert(*next(c.begin()) == 1); 46 assert(distance(c.begin(), c.end()) == 2); 47 } 48 #endif 49 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 50 } 51