libcxx/test/std/containers/associative/set/set.cons/copy_assign.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 // <set>
  10
  11 // class set
  12
  13 // set& operator=(const set& s);
  14
  15 #include <set>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "../../../test_compare.h"
  20 #include "test_allocator.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25         typedef int V;
  26         V ar[] =
  27         {
  28             1,
  29             1,
  30             1,
  31             2,
  32             2,
  33             2,
  34             3,
  35             3,
  36             3
  37         };
  38         typedef test_less<int> C;
  39         typedef test_allocator<V> A;
  40         std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
  41         std::set<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
  42         m = mo;
  43         assert(m.get_allocator() == A(7));
  44         assert(m.key_comp() == C(5));
  45         assert(m.size() == 3);
  46         assert(std::distance(m.begin(), m.end()) == 3);
  47         assert(*m.begin() == 1);
  48         assert(*std::next(m.begin()) == 2);
  49         assert(*std::next(m.begin(), 2) == 3);
  50
  51         assert(mo.get_allocator() == A(2));
  52         assert(mo.key_comp() == C(5));
  53         assert(mo.size() == 3);
  54         assert(std::distance(mo.begin(), mo.end()) == 3);
  55         assert(*mo.begin() == 1);
  56         assert(*std::next(mo.begin()) == 2);
  57         assert(*std::next(mo.begin(), 2) == 3);
  58     }
  59     {
  60         typedef int V;
  61         const V ar[] =
  62         {
  63             1,
  64             2,
  65             3
  66         };
  67         std::set<int> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
  68         std::set<int> *p = &m;
  69         m = *p;
  70
  71         assert(m.size() == 3);
  72         assert(std::equal(m.begin(), m.end(), ar));
  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 other_allocator<V> A;
  90         std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
  91         std::set<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
  92         m = mo;
  93         assert(m.get_allocator() == A(2));
  94         assert(m.key_comp() == C(5));
  95         assert(m.size() == 3);
  96         assert(std::distance(m.begin(), m.end()) == 3);
  97         assert(*m.begin() == 1);
  98         assert(*std::next(m.begin()) == 2);
  99         assert(*std::next(m.begin(), 2) == 3);
 100
 101         assert(mo.get_allocator() == A(2));
 102         assert(mo.key_comp() == C(5));
 103         assert(mo.size() == 3);
 104         assert(std::distance(mo.begin(), mo.end()) == 3);
 105         assert(*mo.begin() == 1);
 106         assert(*std::next(mo.begin()) == 2);
 107         assert(*std::next(mo.begin(), 2) == 3);
 108     }
 109
 110   return 0;
 111 }