libcxx/test/std/containers/sequences/list/list.cons/move_alloc.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03
  10
  11 // <list>
  12
  13 // list(list&& c, const allocator_type& a);
  14
  15 #include <list>
  16 #include <cassert>
  17 #include "test_macros.h"
  18 #include "MoveOnly.h"
  19 #include "test_allocator.h"
  20 #include "min_allocator.h"
  21
  22 int main(int, char**)
  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(std::move(l), test_allocator<MoveOnly>(6));
  33         assert(l2 == lo);
  34         assert(!l.empty());
  35         assert(l2.get_allocator() == test_allocator<MoveOnly>(6));
  36     }
  37     {
  38         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
  39         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
  40         for (int i = 1; i <= 3; ++i)
  41         {
  42             l.push_back(i);
  43             lo.push_back(i);
  44         }
  45         std::list<MoveOnly, test_allocator<MoveOnly> > l2(std::move(l), test_allocator<MoveOnly>(5));
  46         assert(l2 == lo);
  47         assert(l.empty());
  48         assert(l2.get_allocator() == test_allocator<MoveOnly>(5));
  49     }
  50     {
  51         std::list<MoveOnly, other_allocator<MoveOnly> > l(other_allocator<MoveOnly>(5));
  52         std::list<MoveOnly, other_allocator<MoveOnly> > lo(other_allocator<MoveOnly>(5));
  53         for (int i = 1; i <= 3; ++i)
  54         {
  55             l.push_back(i);
  56             lo.push_back(i);
  57         }
  58         std::list<MoveOnly, other_allocator<MoveOnly> > l2(std::move(l), other_allocator<MoveOnly>(4));
  59         assert(l2 == lo);
  60         assert(!l.empty());
  61         assert(l2.get_allocator() == other_allocator<MoveOnly>(4));
  62     }
  63     {
  64         std::list<MoveOnly, min_allocator<MoveOnly> > l(min_allocator<MoveOnly>{});
  65         std::list<MoveOnly, min_allocator<MoveOnly> > lo(min_allocator<MoveOnly>{});
  66         for (int i = 1; i <= 3; ++i)
  67         {
  68             l.push_back(i);
  69             lo.push_back(i);
  70         }
  71         std::list<MoveOnly, min_allocator<MoveOnly> > l2(std::move(l), min_allocator<MoveOnly>());
  72         assert(l2 == lo);
  73         assert(l.empty());
  74         assert(l2.get_allocator() == min_allocator<MoveOnly>());
  75     }
  76
  77   return 0;
  78 }