libcxx

libcxx mirror with random patches
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assign_move.pass.cpp (2672B)


      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 // <list>
     13 
     14 // list& operator=(list&& c);
     15 
     16 #include <list>
     17 #include <cassert>
     18 #include "MoveOnly.h"
     19 #include "test_allocator.h"
     20 #include "min_allocator.h"
     21 
     22 int main()
     23 {
     24     {
     25         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
     26         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
     27         for (int i = 1; i <= 3; ++i)
     28         {
     29             l.push_back(i);
     30             lo.push_back(i);
     31         }
     32         std::list<MoveOnly, test_allocator<MoveOnly> > l2(test_allocator<MoveOnly>(5));
     33         l2 = std::move(l);
     34         assert(l2 == lo);
     35         assert(l.empty());
     36         assert(l2.get_allocator() == lo.get_allocator());
     37     }
     38     {
     39         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
     40         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
     41         for (int i = 1; i <= 3; ++i)
     42         {
     43             l.push_back(i);
     44             lo.push_back(i);
     45         }
     46         std::list<MoveOnly, test_allocator<MoveOnly> > l2(test_allocator<MoveOnly>(6));
     47         l2 = std::move(l);
     48         assert(l2 == lo);
     49         assert(!l.empty());
     50         assert(l2.get_allocator() == test_allocator<MoveOnly>(6));
     51     }
     52     {
     53         std::list<MoveOnly, other_allocator<MoveOnly> > l(other_allocator<MoveOnly>(5));
     54         std::list<MoveOnly, other_allocator<MoveOnly> > lo(other_allocator<MoveOnly>(5));
     55         for (int i = 1; i <= 3; ++i)
     56         {
     57             l.push_back(i);
     58             lo.push_back(i);
     59         }
     60         std::list<MoveOnly, other_allocator<MoveOnly> > l2(other_allocator<MoveOnly>(6));
     61         l2 = std::move(l);
     62         assert(l2 == lo);
     63         assert(l.empty());
     64         assert(l2.get_allocator() == lo.get_allocator());
     65     }
     66     {
     67         std::list<MoveOnly, min_allocator<MoveOnly> > l(min_allocator<MoveOnly>{});
     68         std::list<MoveOnly, min_allocator<MoveOnly> > lo(min_allocator<MoveOnly>{});
     69         for (int i = 1; i <= 3; ++i)
     70         {
     71             l.push_back(i);
     72             lo.push_back(i);
     73         }
     74         std::list<MoveOnly, min_allocator<MoveOnly> > l2(min_allocator<MoveOnly>{});
     75         l2 = std::move(l);
     76         assert(l2 == lo);
     77         assert(l.empty());
     78         assert(l2.get_allocator() == lo.get_allocator());
     79     }
     80 }