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      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 // UNSUPPORTED: c++98, c++03
     11 
     12 // <forward_list>
     13 
     14 // void push_front(value_type&& v);
     15 
     16 #include <forward_list>
     17 #include <cassert>
     18 
     19 #include "MoveOnly.h"
     20 #include "min_allocator.h"
     21 
     22 int main()
     23 {
     24     {
     25         typedef MoveOnly T;
     26         typedef std::forward_list<T> C;
     27         C c;
     28         c.push_front(1);
     29         assert(c.front() == 1);
     30         assert(distance(c.begin(), c.end()) == 1);
     31         c.push_front(3);
     32         assert(c.front() == 3);
     33         assert(*next(c.begin()) == 1);
     34         assert(distance(c.begin(), c.end()) == 2);
     35     }
     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 }
     49