libcxx/test/std/containers/unord/unord.set/max_bucket_count.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 // <unordered_set>
  10
  11 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
  12 //           class Alloc = allocator<Value>>
  13 // class unordered_set
  14
  15 // size_type max_bucket_count() const;
  16
  17 #include <unordered_set>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21 #include "min_allocator.h"
  22
  23 int main(int, char**)
  24 {
  25     {
  26         typedef std::unordered_set<int> C;
  27         const C c;
  28         assert(c.max_bucket_count() > 0);
  29     }
  30 #if TEST_STD_VER >= 11
  31     {
  32         typedef std::unordered_set<int, std::hash<int>,
  33                                       std::equal_to<int>, min_allocator<int>> C;
  34         const C c;
  35         assert(c.max_bucket_count() > 0);
  36     }
  37 #endif
  38
  39   return 0;
  40 }