bucket.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c
1//===----------------------------------------------------------------------===// 2// 3// ��������������������The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. 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(const key_type& __k) const; 17 18#include <unordered_map> 19#include <string> 20#include <cassert> 21 22int main() 23{ 24 { 25 typedef std::unordered_map<int, std::string> C; 26 typedef std::pair<int, std::string> P; 27 P a[] = 28 { 29 P(1, "one"), 30 P(2, "two"), 31 P(3, "three"), 32 P(4, "four"), 33 P(1, "four"), 34 P(2, "four"), 35 }; 36 const C c(std::begin(a), std::end(a)); 37 size_t bc = c.bucket_count(); 38 assert(bc >= 5); 39 for (size_t i = 0; i < 13; ++i) 40 assert(c.bucket(i) == i % bc); 41 } 42} 43