libcxx/test/std/containers/associative/multiset/insert_iter_cv.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 // iterator insert(const_iterator position, const value_type& v);
  14
  15 #include <set>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "min_allocator.h"
  20
  21 int main(int, char**)
  22 {
  23     {
  24         typedef std::multiset<int> M;
  25         typedef M::iterator R;
  26         M m;
  27         R r = m.insert(m.cend(), M::value_type(2));
  28         assert(r == m.begin());
  29         assert(m.size() == 1);
  30         assert(*r == 2);
  31
  32         r = m.insert(m.cend(), M::value_type(1));
  33         assert(r == m.begin());
  34         assert(m.size() == 2);
  35         assert(*r == 1);
  36
  37         r = m.insert(m.cend(), M::value_type(3));
  38         assert(r == std::prev(m.end()));
  39         assert(m.size() == 3);
  40         assert(*r == 3);
  41
  42         r = m.insert(m.cend(), M::value_type(3));
  43         assert(r == std::prev(m.end()));
  44         assert(m.size() == 4);
  45         assert(*r == 3);
  46     }
  47 #if TEST_STD_VER >= 11
  48     {
  49         typedef std::multiset<int, std::less<int>, min_allocator<int>> M;
  50         typedef M::iterator R;
  51         M m;
  52         R r = m.insert(m.cend(), M::value_type(2));
  53         assert(r == m.begin());
  54         assert(m.size() == 1);
  55         assert(*r == 2);
  56
  57         r = m.insert(m.cend(), M::value_type(1));
  58         assert(r == m.begin());
  59         assert(m.size() == 2);
  60         assert(*r == 1);
  61
  62         r = m.insert(m.cend(), M::value_type(3));
  63         assert(r == std::prev(m.end()));
  64         assert(m.size() == 3);
  65         assert(*r == 3);
  66
  67         r = m.insert(m.cend(), M::value_type(3));
  68         assert(r == std::prev(m.end()));
  69         assert(m.size() == 4);
  70         assert(*r == 3);
  71     }
  72 #endif
  73
  74   return 0;
  75 }