src/third_party/libc++/trunk/test/containers/unord/unord.multimap/count.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 // size_type count(const key_type& k) const;
  17
  18 #include <unordered_map>
  19 #include <string>
  20 #include <cassert>
  21
  22 #include "min_allocator.h"
  23
  24 int main()
  25 {
  26     {
  27         typedef std::unordered_multimap<int, std::string> C;
  28         typedef std::pair<int, std::string> P;
  29         P a[] =
  30         {
  31             P(10, "ten"),
  32             P(20, "twenty"),
  33             P(30, "thirty"),
  34             P(40, "forty"),
  35             P(50, "fifty"),
  36             P(50, "fiftyA"),
  37             P(50, "fiftyB"),
  38             P(60, "sixty"),
  39             P(70, "seventy"),
  40             P(80, "eighty"),
  41         };
  42         const C c(std::begin(a), std::end(a));
  43         assert(c.count(30) == 1);
  44         assert(c.count(50) == 3);
  45         assert(c.count(5) == 0);
  46     }
  47 #if __cplusplus >= 201103L
  48     {
  49         typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
  50                             min_allocator<std::pair<const int, std::string>>> C;
  51         typedef std::pair<int, std::string> P;
  52         P a[] =
  53         {
  54             P(10, "ten"),
  55             P(20, "twenty"),
  56             P(30, "thirty"),
  57             P(40, "forty"),
  58             P(50, "fifty"),
  59             P(50, "fiftyA"),
  60             P(50, "fiftyB"),
  61             P(60, "sixty"),
  62             P(70, "seventy"),
  63             P(80, "eighty"),
  64         };
  65         const C c(std::begin(a), std::end(a));
  66         assert(c.count(30) == 1);
  67         assert(c.count(50) == 3);
  68         assert(c.count(5) == 0);
  69     }
  70 #endif
  71 }