text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  // <unordered_set>
  
  // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
  //           class Alloc = allocator<Value>>
  // class unordered_set
  
  // unordered_set(initializer_list<value_type> il, size_type n,
  //               const hasher& hf, const key_equal& eql, const allocator_type& a);
  
  #include <unordered_set>
  #include <cassert>
  #include <cfloat>
  
  #include "../../../test_compare.h"
  #include "../../../test_hash.h"
  #include "../../../test_allocator.h"
  
  int main()
  {
  #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
      {
          typedef std::unordered_set<int,
                                     test_hash<std::hash<int> >,
                                     test_compare<std::equal_to<int> >,
                                     test_allocator<int>
                                     > C;
          typedef int P;
          C c({
                  P(1),
                  P(2),
                  P(3),
                  P(4),
                  P(1),
                  P(2)
              },
              7,
              test_hash<std::hash<int> >(8),
              test_compare<std::equal_to<int> >(9),
              test_allocator<int>(10)
             );
          assert(c.bucket_count() == 7);
          assert(c.size() == 4);
          assert(c.count(1) == 1);
          assert(c.count(2) == 1);
          assert(c.count(3) == 1);
          assert(c.count(4) == 1);
          assert(c.hash_function() == test_hash<std::hash<int> >(8));
          assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
          assert(c.get_allocator() == test_allocator<int>(10));
          assert(!c.empty());
          assert(std::distance(c.begin(), c.end()) == c.size());
          assert(std::distance(c.cbegin(), c.cend()) == c.size());
          assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
          assert(c.max_load_factor() == 1);
      }
  #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
  }
  