src/third_party/libc++/trunk/test/containers/unord/unord.multimap/unord.multimap.cnstr/default.pass.cpp

   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_map>
  11
  12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
  13 //           class Alloc = allocator<pair<const Key, T>>>
  14 // class unordered_multimap
  15
  16 // unordered_multimap();
  17
  18 #include <unordered_map>
  19 #include <cassert>
  20
  21 #include "../../../NotConstructible.h"
  22 #include "../../../test_compare.h"
  23 #include "../../../test_hash.h"
  24 #include "test_allocator.h"
  25 #include "min_allocator.h"
  26
  27 int main()
  28 {
  29     {
  30         typedef std::unordered_multimap<NotConstructible, NotConstructible,
  31                                    test_hash<std::hash<NotConstructible> >,
  32                                    test_compare<std::equal_to<NotConstructible> >,
  33                                    test_allocator<std::pair<const NotConstructible,
  34                                                                   NotConstructible> >
  35                                    > C;
  36         C c;
  37         assert(c.bucket_count() == 0);
  38         assert(c.hash_function() == test_hash<std::hash<NotConstructible> >());
  39         assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >());
  40         assert(c.get_allocator() ==
  41                (test_allocator<std::pair<const NotConstructible, NotConstructible> >()));
  42         assert(c.size() == 0);
  43         assert(c.empty());
  44         assert(std::distance(c.begin(), c.end()) == 0);
  45         assert(c.load_factor() == 0);
  46         assert(c.max_load_factor() == 1);
  47     }
  48 #if __cplusplus >= 201103L
  49     {
  50         typedef std::unordered_multimap<NotConstructible, NotConstructible,
  51                                    test_hash<std::hash<NotConstructible> >,
  52                                    test_compare<std::equal_to<NotConstructible> >,
  53                                    min_allocator<std::pair<const NotConstructible,
  54                                                                  NotConstructible> >
  55                                    > C;
  56         C c;
  57         assert(c.bucket_count() == 0);
  58         assert(c.hash_function() == test_hash<std::hash<NotConstructible> >());
  59         assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >());
  60         assert(c.get_allocator() ==
  61                (min_allocator<std::pair<const NotConstructible, NotConstructible> >()));
  62         assert(c.size() == 0);
  63         assert(c.empty());
  64         assert(std::distance(c.begin(), c.end()) == 0);
  65         assert(c.load_factor() == 0);
  66         assert(c.max_load_factor() == 1);
  67     }
  68 #endif
  69 }