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