1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // UNSUPPORTED: c++98, c++03
14 // template <class... Args> reference emplace_front(Args&&... args);
16 #include <forward_list>
19 #include "../../../Emplaceable.h"
20 #include "min_allocator.h"
25 typedef Emplaceable T;
26 typedef std::forward_list<T> C;
28 T& r1 = c.emplace_front();
29 assert(c.front() == Emplaceable());
30 assert(&r1 == &c.front());
31 assert(distance(c.begin(), c.end()) == 1);
32 T& r2 = c.emplace_front(1, 2.5);
33 assert(c.front() == Emplaceable(1, 2.5));
34 assert(&r2 == &c.front());
35 assert(*next(c.begin()) == Emplaceable());
36 assert(distance(c.begin(), c.end()) == 2);
39 typedef Emplaceable T;
40 typedef std::forward_list<T, min_allocator<T>> C;
42 T& r1 = c.emplace_front();
43 assert(c.front() == Emplaceable());
44 assert(&r1 == &c.front());
45 assert(distance(c.begin(), c.end()) == 1);
46 T& r2 = c.emplace_front(1, 2.5);
47 assert(c.front() == Emplaceable(1, 2.5));
48 assert(&r2 == &c.front());
49 assert(*next(c.begin()) == Emplaceable());
50 assert(distance(c.begin(), c.end()) == 2);