libcxx/test/std/containers/associative/multiset/multiset.cons/iter_iter.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 // template <class InputIterator>
  14 //     multiset(InputIterator first, InputIterator last);
  15
  16 #include <set>
  17 #include <cassert>
  18
  19 #include "test_macros.h"
  20 #include "test_iterators.h"
  21 #include "min_allocator.h"
  22
  23 int main(int, char**)
  24 {
  25     {
  26     typedef int V;
  27     V ar[] =
  28     {
  29         1,
  30         1,
  31         1,
  32         2,
  33         2,
  34         2,
  35         3,
  36         3,
  37         3
  38     };
  39     std::multiset<V> m(cpp17_input_iterator<const int*>(ar),
  40                   cpp17_input_iterator<const int*>(ar+sizeof(ar)/sizeof(ar[0])));
  41     assert(m.size() == 9);
  42     assert(std::distance(m.begin(), m.end()) == 9);
  43     assert(*std::next(m.begin(), 0) == 1);
  44     assert(*std::next(m.begin(), 1) == 1);
  45     assert(*std::next(m.begin(), 2) == 1);
  46     assert(*std::next(m.begin(), 3) == 2);
  47     assert(*std::next(m.begin(), 4) == 2);
  48     assert(*std::next(m.begin(), 5) == 2);
  49     assert(*std::next(m.begin(), 6) == 3);
  50     assert(*std::next(m.begin(), 7) == 3);
  51     assert(*std::next(m.begin(), 8) == 3);
  52     }
  53 #if TEST_STD_VER >= 11
  54     {
  55     typedef int V;
  56     V ar[] =
  57     {
  58         1,
  59         1,
  60         1,
  61         2,
  62         2,
  63         2,
  64         3,
  65         3,
  66         3
  67     };
  68     std::multiset<V, std::less<V>, min_allocator<V>> m(cpp17_input_iterator<const int*>(ar),
  69                   cpp17_input_iterator<const int*>(ar+sizeof(ar)/sizeof(ar[0])));
  70     assert(m.size() == 9);
  71     assert(std::distance(m.begin(), m.end()) == 9);
  72     assert(*std::next(m.begin(), 0) == 1);
  73     assert(*std::next(m.begin(), 1) == 1);
  74     assert(*std::next(m.begin(), 2) == 1);
  75     assert(*std::next(m.begin(), 3) == 2);
  76     assert(*std::next(m.begin(), 4) == 2);
  77     assert(*std::next(m.begin(), 5) == 2);
  78     assert(*std::next(m.begin(), 6) == 3);
  79     assert(*std::next(m.begin(), 7) == 3);
  80     assert(*std::next(m.begin(), 8) == 3);
  81     }
  82 #endif
  83
  84   return 0;
  85 }