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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 // <list>
     11 
     12 // void push_front(value_type&& x);
     13 
     14 #include <list>
     15 #include <cassert>
     16 
     17 #include "MoveOnly.h"
     18 #include "min_allocator.h"
     19 
     20 int main()
     21 {
     22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     23     {
     24     std::list<MoveOnly> l1;
     25     l1.push_front(MoveOnly(1));
     26     assert(l1.size() == 1);
     27     assert(l1.front() == MoveOnly(1));
     28     l1.push_front(MoveOnly(2));
     29     assert(l1.size() == 2);
     30     assert(l1.front() == MoveOnly(2));
     31     assert(l1.back() == MoveOnly(1));
     32     }
     33 #if __cplusplus >= 201103L
     34     {
     35     std::list<MoveOnly, min_allocator<MoveOnly>> l1;
     36     l1.push_front(MoveOnly(1));
     37     assert(l1.size() == 1);
     38     assert(l1.front() == MoveOnly(1));
     39     l1.push_front(MoveOnly(2));
     40     assert(l1.size() == 2);
     41     assert(l1.front() == MoveOnly(2));
     42     assert(l1.back() == MoveOnly(1));
     43     }
     44 #endif
     45 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     46 }
     47