libcxx/test/std/containers/associative/multiset/multiset.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 multiset
  12
  13 // multiset& operator=(const multiset& 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::multiset<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
  41         std::multiset<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() == 9);
  46         assert(std::distance(m.begin(), m.end()) == 9);
  47         assert(*std::next(m.begin(), 0) == 1);
  48         assert(*std::next(m.begin(), 1) == 1);
  49         assert(*std::next(m.begin(), 2) == 1);
  50         assert(*std::next(m.begin(), 3) == 2);
  51         assert(*std::next(m.begin(), 4) == 2);
  52         assert(*std::next(m.begin(), 5) == 2);
  53         assert(*std::next(m.begin(), 6) == 3);
  54         assert(*std::next(m.begin(), 7) == 3);
  55         assert(*std::next(m.begin(), 8) == 3);
  56
  57         assert(mo.get_allocator() == A(2));
  58         assert(mo.key_comp() == C(5));
  59         assert(mo.size() == 9);
  60         assert(std::distance(mo.begin(), mo.end()) == 9);
  61         assert(*std::next(mo.begin(), 0) == 1);
  62         assert(*std::next(mo.begin(), 1) == 1);
  63         assert(*std::next(mo.begin(), 2) == 1);
  64         assert(*std::next(mo.begin(), 3) == 2);
  65         assert(*std::next(mo.begin(), 4) == 2);
  66         assert(*std::next(mo.begin(), 5) == 2);
  67         assert(*std::next(mo.begin(), 6) == 3);
  68         assert(*std::next(mo.begin(), 7) == 3);
  69         assert(*std::next(mo.begin(), 8) == 3);
  70     }
  71     {
  72         typedef int V;
  73         const V ar[] =
  74         {
  75             1,
  76             1,
  77             1,
  78             2,
  79             2,
  80             2,
  81             3,
  82             3,
  83             3
  84         };
  85         std::multiset<int> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
  86         std::multiset<int> *p = &m;
  87         m = *p;
  88         assert(m.size() == 9);
  89         assert(std::equal(m.begin(), m.end(), ar));
  90     }
  91     {
  92         typedef int V;
  93         V ar[] =
  94         {
  95             1,
  96             1,
  97             1,
  98             2,
  99             2,
 100             2,
 101             3,
 102             3,
 103             3
 104         };
 105         typedef test_less<int> C;
 106         typedef other_allocator<V> A;
 107         std::multiset<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
 108         std::multiset<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
 109         m = mo;
 110         assert(m.get_allocator() == A(2));
 111         assert(m.key_comp() == C(5));
 112         assert(m.size() == 9);
 113         assert(std::distance(m.begin(), m.end()) == 9);
 114         assert(*std::next(m.begin(), 0) == 1);
 115         assert(*std::next(m.begin(), 1) == 1);
 116         assert(*std::next(m.begin(), 2) == 1);
 117         assert(*std::next(m.begin(), 3) == 2);
 118         assert(*std::next(m.begin(), 4) == 2);
 119         assert(*std::next(m.begin(), 5) == 2);
 120         assert(*std::next(m.begin(), 6) == 3);
 121         assert(*std::next(m.begin(), 7) == 3);
 122         assert(*std::next(m.begin(), 8) == 3);
 123
 124         assert(mo.get_allocator() == A(2));
 125         assert(mo.key_comp() == C(5));
 126         assert(mo.size() == 9);
 127         assert(std::distance(mo.begin(), mo.end()) == 9);
 128         assert(*std::next(mo.begin(), 0) == 1);
 129         assert(*std::next(mo.begin(), 1) == 1);
 130         assert(*std::next(mo.begin(), 2) == 1);
 131         assert(*std::next(mo.begin(), 3) == 2);
 132         assert(*std::next(mo.begin(), 4) == 2);
 133         assert(*std::next(mo.begin(), 5) == 2);
 134         assert(*std::next(mo.begin(), 6) == 3);
 135         assert(*std::next(mo.begin(), 7) == 3);
 136         assert(*std::next(mo.begin(), 8) == 3);
 137     }
 138
 139   return 0;
 140 }