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(7));
  39         assert(mo.get_allocator().get_id() == test_alloc_base::moved_value);
  40         assert(mo.key_comp() == C(5));
  41         assert(mo.size() == 0);
  42         assert(std::distance(mo.begin(), mo.end()) == 0);
  43     }
  44     {
  45         V ar[] =
  46         {
  47             V(1, 1),
  48             V(1, 1.5),
  49             V(1, 2),
  50             V(2, 1),
  51             V(2, 1.5),
  52             V(2, 2),
  53             V(3, 1),
  54             V(3, 1.5),
  55             V(3, 2),
  56         };
  57         typedef test_less<int> C;
  58         typedef test_allocator<V> A;
  59         std::map<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(7));
  60         std::map<int, double, C, A> m = std::move(mo);
  61         assert(m.get_allocator() == A(7));
  62         assert(m.key_comp() == C(5));
  63         assert(m.size() == 3);
  64         assert(std::distance(m.begin(), m.end()) == 3);
  65         assert(*m.begin() == V(1, 1));
  66         assert(*std::next(m.begin()) == V(2, 1));
  67         assert(*std::next(m.begin(), 2) == V(3, 1));
  68
  69         assert(mo.get_allocator() == A(7));
  70         assert(mo.get_allocator().get_id() == test_alloc_base::moved_value);
  71         assert(mo.key_comp() == C(5));
  72         assert(mo.size() == 0);
  73         assert(std::distance(mo.begin(), mo.end()) == 0);
  74     }
  75     {
  76         typedef test_less<int> C;
  77         typedef min_allocator<V> A;
  78         std::map<int, double, C, A> mo(C(5), A());
  79         std::map<int, double, C, A> m = std::move(mo);
  80         assert(m.get_allocator() == A());
  81         assert(m.key_comp() == C(5));
  82         assert(m.size() == 0);
  83         assert(std::distance(m.begin(), m.end()) == 0);
  84
  85         assert(mo.get_allocator() == A());
  86         assert(mo.key_comp() == C(5));
  87         assert(mo.size() == 0);
  88         assert(std::distance(mo.begin(), mo.end()) == 0);
  89     }
  90     {
  91         V ar[] =
  92         {
  93             V(1, 1),
  94             V(1, 1.5),
  95             V(1, 2),
  96             V(2, 1),
  97             V(2, 1.5),
  98             V(2, 2),
  99             V(3, 1),
 100             V(3, 1.5),
 101             V(3, 2),
 102         };
 103         typedef test_less<int> C;
 104         typedef min_allocator<V> A;
 105         std::map<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
 106         std::map<int, double, C, A> m = std::move(mo);
 107         assert(m.get_allocator() == A());
 108         assert(m.key_comp() == C(5));
 109         assert(m.size() == 3);
 110         assert(std::distance(m.begin(), m.end()) == 3);
 111         assert(*m.begin() == V(1, 1));
 112         assert(*std::next(m.begin()) == V(2, 1));
 113         assert(*std::next(m.begin(), 2) == V(3, 1));
 114
 115         assert(mo.get_allocator() == A());
 116         assert(mo.key_comp() == C(5));
 117         assert(mo.size() == 0);
 118         assert(std::distance(mo.begin(), mo.end()) == 0);
 119     }
 120
 121   return 0;
 122 }