libcxx/test/std/containers/associative/map/map.cons/compare.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 // explicit map(const key_compare& comp);
  14
  15 #include <map>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "../../../test_compare.h"
  20 #include "min_allocator.h"
  21
  22 int main(int, char**)
  23 {
  24     {
  25     typedef test_less<int> C;
  26     const std::map<int, double, C> m(C(3));
  27     assert(m.empty());
  28     assert(m.begin() == m.end());
  29     assert(m.key_comp() == C(3));
  30     }
  31 #if TEST_STD_VER >= 11
  32     {
  33     typedef test_less<int> C;
  34     const std::map<int, double, C, min_allocator<std::pair<const int, double>>> m(C(3));
  35     assert(m.empty());
  36     assert(m.begin() == m.end());
  37     assert(m.key_comp() == C(3));
  38     }
  39 #endif
  40
  41   return 0;
  42 }