libcxx/test/std/containers/associative/set/set.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 set
  12
  13 // template <class InputIterator>
  14 //     set(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::set<V> m(cpp17_input_iterator<const int*>(ar),
  40                   cpp17_input_iterator<const int*>(ar+sizeof(ar)/sizeof(ar[0])));
  41     assert(m.size() == 3);
  42     assert(std::distance(m.begin(), m.end()) == 3);
  43     assert(*m.begin() == 1);
  44     assert(*std::next(m.begin()) == 2);
  45     assert(*std::next(m.begin(), 2) == 3);
  46     }
  47 #if TEST_STD_VER >= 11
  48     {
  49     typedef int V;
  50     V ar[] =
  51     {
  52         1,
  53         1,
  54         1,
  55         2,
  56         2,
  57         2,
  58         3,
  59         3,
  60         3
  61     };
  62     std::set<V, std::less<int>, min_allocator<int>> m(cpp17_input_iterator<const int*>(ar),
  63                   cpp17_input_iterator<const int*>(ar+sizeof(ar)/sizeof(ar[0])));
  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 #endif
  71
  72   return 0;
  73 }