range_size_hash.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
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// template <class InputIterator> 17// unordered_map(InputIterator first, InputIterator last, size_type n, 18// const hasher& hf); 19 20#include <unordered_map> 21#include <string> 22#include <cassert> 23 24#include "../../../iterators.h" 25#include "../../../NotConstructible.h" 26#include "../../../test_compare.h" 27#include "../../../test_hash.h" 28#include "../../../test_allocator.h" 29 30int main() 31{ 32 { 33 typedef std::unordered_map<int, std::string, 34 test_hash<std::hash<int> >, 35 test_compare<std::equal_to<int> >, 36 test_allocator<std::pair<const int, std::string> > 37 > C; 38 typedef std::pair<int, std::string> P; 39 P a[] = 40 { 41 P(1, "one"), 42 P(2, "two"), 43 P(3, "three"), 44 P(4, "four"), 45 P(1, "four"), 46 P(2, "four"), 47 }; 48 C c(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])), 49 7, 50 test_hash<std::hash<int> >(8) 51 ); 52 assert(c.bucket_count() == 7); 53 assert(c.size() == 4); 54 assert(c.at(1) == "one"); 55 assert(c.at(2) == "two"); 56 assert(c.at(3) == "three"); 57 assert(c.at(4) == "four"); 58 assert(c.hash_function() == test_hash<std::hash<int> >(8)); 59 assert(c.key_eq() == test_compare<std::equal_to<int> >()); 60 assert(c.get_allocator() == 61 (test_allocator<std::pair<const int, std::string> >())); 62 assert(!c.empty()); 63 assert(std::distance(c.begin(), c.end()) == c.size()); 64 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 65 assert(c.load_factor() == (float)c.size()/c.bucket_count()); 66 assert(c.max_load_factor() == 1); 67 } 68} 69