emplace_front.pass.cpp revision a90c6dd46005b2b14de3bb889a8d03bb34bd3256
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// template <class... Args> void emplace_front(Args&&... args); 13 14#include <forward_list> 15#include <cassert> 16 17#include "../../../Emplaceable.h" 18#include "min_allocator.h" 19 20int main() 21{ 22#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 23 { 24 typedef Emplaceable T; 25 typedef std::forward_list<T> C; 26 C c; 27 c.emplace_front(); 28 assert(c.front() == Emplaceable()); 29 assert(distance(c.begin(), c.end()) == 1); 30 c.emplace_front(1, 2.5); 31 assert(c.front() == Emplaceable(1, 2.5)); 32 assert(*next(c.begin()) == Emplaceable()); 33 assert(distance(c.begin(), c.end()) == 2); 34 } 35#if __cplusplus >= 201103L 36 { 37 typedef Emplaceable T; 38 typedef std::forward_list<T, min_allocator<T>> C; 39 C c; 40 c.emplace_front(); 41 assert(c.front() == Emplaceable()); 42 assert(distance(c.begin(), c.end()) == 1); 43 c.emplace_front(1, 2.5); 44 assert(c.front() == Emplaceable(1, 2.5)); 45 assert(*next(c.begin()) == Emplaceable()); 46 assert(distance(c.begin(), c.end()) == 2); 47 } 48#endif 49#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 50} 51