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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <unordered_set>
     11 
     12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
     13 //           class Alloc = allocator<Value>>
     14 // class unordered_set
     15 
     16 // explicit unordered_set(size_type n);
     17 
     18 #include <unordered_set>
     19 #include <cassert>
     20 
     21 #include "test_macros.h"
     22 #include "../../../NotConstructible.h"
     23 #include "../../../test_compare.h"
     24 #include "../../../test_hash.h"
     25 #include "test_allocator.h"
     26 
     27 int main()
     28 {
     29     {
     30         typedef std::unordered_set<NotConstructible,
     31                                    test_hash<std::hash<NotConstructible> >,
     32                                    test_compare<std::equal_to<NotConstructible> >,
     33                                    test_allocator<NotConstructible>
     34                                    > C;
     35         C c = 7;
     36         LIBCPP_ASSERT(c.bucket_count() == 7);
     37         assert(c.hash_function() == test_hash<std::hash<NotConstructible> >());
     38         assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >());
     39         assert(c.get_allocator() == (test_allocator<NotConstructible>()));
     40         assert(c.size() == 0);
     41         assert(c.empty());
     42         assert(std::distance(c.begin(), c.end()) == 0);
     43         assert(c.load_factor() == 0);
     44         assert(c.max_load_factor() == 1);
     45     }
     46 }
     47