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_map 15 16 // size_type bucket_count() 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_map<int, std::string> C; 28 typedef C::const_iterator I; 29 typedef std::pair<int, std::string> P; 30 const C c; 31 assert(c.bucket_count() == 0); 32 } 33 { 34 typedef std::unordered_map<int, std::string> C; 35 typedef C::const_iterator I; 36 typedef std::pair<int, std::string> P; 37 P a[] = 38 { 39 P(10, "ten"), 40 P(20, "twenty"), 41 P(30, "thirty"), 42 P(40, "fourty"), 43 P(50, "fifty"), 44 P(60, "sixty"), 45 P(70, "seventy"), 46 P(80, "eighty"), 47 }; 48 const C c(std::begin(a), std::end(a)); 49 assert(c.bucket_count() >= 11); 50 } 51 #if __cplusplus >= 201103L 52 { 53 typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>, 54 min_allocator<std::pair<const int, std::string>>> C; 55 typedef C::const_iterator I; 56 typedef std::pair<int, std::string> P; 57 const C c; 58 assert(c.bucket_count() == 0); 59 } 60 { 61 typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>, 62 min_allocator<std::pair<const int, std::string>>> C; 63 typedef C::const_iterator I; 64 typedef std::pair<int, std::string> P; 65 P a[] = 66 { 67 P(10, "ten"), 68 P(20, "twenty"), 69 P(30, "thirty"), 70 P(40, "fourty"), 71 P(50, "fifty"), 72 P(60, "sixty"), 73 P(70, "seventy"), 74 P(80, "eighty"), 75 }; 76 const C c(std::begin(a), std::end(a)); 77 assert(c.bucket_count() >= 11); 78 } 79 #endif 80 } 81
