libcxx/test/std/containers/associative/set/set.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 // <set>
  12
  13 // class set
  14
  15 // set(set&& s);
  16
  17 #include <set>
  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     {
  28         typedef int V;
  29         typedef test_less<int> C;
  30         typedef test_allocator<V> A;
  31         std::set<int, C, A> mo(C(5), A(7));
  32         std::set<int, 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         typedef int V;
  45         V ar[] =
  46         {
  47             1,
  48             1,
  49             1,
  50             2,
  51             2,
  52             2,
  53             3,
  54             3,
  55             3
  56         };
  57         typedef test_less<int> C;
  58         typedef test_allocator<V> A;
  59         std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(7));
  60         std::set<int, 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() == 1);
  66         assert(*std::next(m.begin()) == 2);
  67         assert(*std::next(m.begin(), 2) == 3);
  68
  69         assert(mo.get_allocator() == A(test_alloc_base::moved_value));
  70         assert(mo.key_comp() == C(5));
  71         assert(mo.size() == 0);
  72         assert(std::distance(mo.begin(), mo.end()) == 0);
  73     }
  74     {
  75         typedef int V;
  76         V ar[] =
  77         {
  78             1,
  79             1,
  80             1,
  81             2,
  82             2,
  83             2,
  84             3,
  85             3,
  86             3
  87         };
  88         typedef test_less<int> C;
  89         typedef min_allocator<V> A;
  90         std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
  91         std::set<int, C, A> m = std::move(mo);
  92         assert(m.get_allocator() == A());
  93         assert(m.key_comp() == C(5));
  94         assert(m.size() == 3);
  95         assert(std::distance(m.begin(), m.end()) == 3);
  96         assert(*m.begin() == 1);
  97         assert(*std::next(m.begin()) == 2);
  98         assert(*std::next(m.begin(), 2) == 3);
  99
 100         assert(mo.get_allocator() == A());
 101         assert(mo.key_comp() == C(5));
 102         assert(mo.size() == 0);
 103         assert(std::distance(mo.begin(), mo.end()) == 0);
 104     }
 105
 106   return 0;
 107 }