49 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <unordered_map>10 11// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,12// class Alloc = allocator<pair<const Key, T>>>13// class unordered_multimap14 15// size_type bucket_count() const;16 17#include <unordered_map>18#include <string>19#include <cassert>20#include <iterator>21 22#include "test_macros.h"23 24int main(int, char**) {25 {26 typedef std::unordered_multimap<int, std::string> C;27 const C c;28 LIBCPP_ASSERT(c.bucket_count() == 0);29 }30 {31 typedef std::unordered_multimap<int, std::string> C;32 typedef std::pair<int, std::string> P;33 P a[] = {34 P(10, "ten"),35 P(20, "twenty"),36 P(30, "thirty"),37 P(40, "forty"),38 P(50, "fifty"),39 P(60, "sixty"),40 P(70, "seventy"),41 P(80, "eighty"),42 };43 const C c(std::begin(a), std::end(a));44 assert(c.bucket_count() >= 8);45 }46 47 return 0;48}49