libcxx/test/std/containers/associative/map/map.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 // <map>
  10
  11 // class map
  12
  13 // template <class InputIterator>
  14 //     map(InputIterator first, InputIterator last);
  15
  16 #include <map>
  17 #include <cassert>
  18
  19 #include "test_macros.h"
  20 #include "min_allocator.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25     typedef std::pair<const int, double> V;
  26     V ar[] =
  27     {
  28         V(1, 1),
  29         V(1, 1.5),
  30         V(1, 2),
  31         V(2, 1),
  32         V(2, 1.5),
  33         V(2, 2),
  34         V(3, 1),
  35         V(3, 1.5),
  36         V(3, 2),
  37     };
  38     std::map<int, double> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
  39     assert(m.size() == 3);
  40     assert(std::distance(m.begin(), m.end()) == 3);
  41     assert(*m.begin() == V(1, 1));
  42     assert(*std::next(m.begin()) == V(2, 1));
  43     assert(*std::next(m.begin(), 2) == V(3, 1));
  44     }
  45 #if TEST_STD_VER >= 11
  46     {
  47     typedef std::pair<const int, double> V;
  48     V ar[] =
  49     {
  50         V(1, 1),
  51         V(1, 1.5),
  52         V(1, 2),
  53         V(2, 1),
  54         V(2, 1.5),
  55         V(2, 2),
  56         V(3, 1),
  57         V(3, 1.5),
  58         V(3, 2),
  59     };
  60     std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
  61     assert(m.size() == 3);
  62     assert(std::distance(m.begin(), m.end()) == 3);
  63     assert(*m.begin() == V(1, 1));
  64     assert(*std::next(m.begin()) == V(2, 1));
  65     assert(*std::next(m.begin(), 2) == V(3, 1));
  66     }
  67 #endif
  68
  69   return 0;
  70 }