libcxx/test/std/containers/associative/map/map.cons/move.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 // <map>
  12
  13 // class map
  14
  15 // map(map&& m);
  16
  17 #include <map>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21 #include "../../../test_compare.h"
  22 #include "test_allocator.h"
  23 #include "min_allocator.h"
  24
  25 int main(int, char**)
  26 {
  27     typedef std::pair<const int, double> V;
  28     {
  29         typedef test_less<int> C;
  30         typedef test_allocator<V> A;
  31         std::map<int, double, C, A> mo(C(5), A(7));
  32         std::map<int, double, C, A> m = std::move(mo);
  33         assert(m.get_allocator() == A(7));
  34         assert(m.key_comp() == C(5));
  35         assert(m.size() == 0);
  36         assert(std::distance(m.begin(), m.end()) == 0);
  37
  38         assert(mo.get_allocator() == A(test_alloc_base::moved_value));
  39         assert(mo.key_comp() == C(5));
  40         assert(mo.size() == 0);
  41         assert(std::distance(mo.begin(), mo.end()) == 0);
  42     }
  43     {
  44         V ar[] =
  45         {
  46             V(1, 1),
  47             V(1, 1.5),
  48             V(1, 2),
  49             V(2, 1),
  50             V(2, 1.5),
  51             V(2, 2),
  52             V(3, 1),
  53             V(3, 1.5),
  54             V(3, 2),
  55         };
  56         typedef test_less<int> C;
  57         typedef test_allocator<V> A;
  58         std::map<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(7));
  59         std::map<int, double, C, A> m = std::move(mo);
  60         assert(m.get_allocator() == A(7));
  61         assert(m.key_comp() == C(5));
  62         assert(m.size() == 3);
  63         assert(std::distance(m.begin(), m.end()) == 3);
  64         assert(*m.begin() == V(1, 1));
  65         assert(*std::next(m.begin()) == V(2, 1));
  66         assert(*std::next(m.begin(), 2) == V(3, 1));
  67
  68         assert(mo.get_allocator() == A(test_alloc_base::moved_value));
  69         assert(mo.key_comp() == C(5));
  70         assert(mo.size() == 0);
  71         assert(std::distance(mo.begin(), mo.end()) == 0);
  72     }
  73     {
  74         typedef test_less<int> C;
  75         typedef min_allocator<V> A;
  76         std::map<int, double, C, A> mo(C(5), A());
  77         std::map<int, double, C, A> m = std::move(mo);
  78         assert(m.get_allocator() == A());
  79         assert(m.key_comp() == C(5));
  80         assert(m.size() == 0);
  81         assert(std::distance(m.begin(), m.end()) == 0);
  82
  83         assert(mo.get_allocator() == A());
  84         assert(mo.key_comp() == C(5));
  85         assert(mo.size() == 0);
  86         assert(std::distance(mo.begin(), mo.end()) == 0);
  87     }
  88     {
  89         V ar[] =
  90         {
  91             V(1, 1),
  92             V(1, 1.5),
  93             V(1, 2),
  94             V(2, 1),
  95             V(2, 1.5),
  96             V(2, 2),
  97             V(3, 1),
  98             V(3, 1.5),
  99             V(3, 2),
 100         };
 101         typedef test_less<int> C;
 102         typedef min_allocator<V> A;
 103         std::map<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
 104         std::map<int, double, C, A> m = std::move(mo);
 105         assert(m.get_allocator() == A());
 106         assert(m.key_comp() == C(5));
 107         assert(m.size() == 3);
 108         assert(std::distance(m.begin(), m.end()) == 3);
 109         assert(*m.begin() == V(1, 1));
 110         assert(*std::next(m.begin()) == V(2, 1));
 111         assert(*std::next(m.begin(), 2) == V(3, 1));
 112
 113         assert(mo.get_allocator() == A());
 114         assert(mo.key_comp() == C(5));
 115         assert(mo.size() == 0);
 116         assert(std::distance(mo.begin(), mo.end()) == 0);
 117     }
 118
 119   return 0;
 120 }