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// unordered_multimap(initializer_list<value_type> il, size_type n, 17// const hasher& hf, const key_equal& eql, const allocator_type& a); 18 19#include <unordered_map> 20#include <string> 21#include <cassert> 22#include <cfloat> 23 24#include "../../../test_compare.h" 25#include "../../../test_hash.h" 26#include "test_allocator.h" 27#include "min_allocator.h" 28 29int main() 30{ 31#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 32 { 33 typedef std::unordered_multimap<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 C c({ 40 P(1, "one"), 41 P(2, "two"), 42 P(3, "three"), 43 P(4, "four"), 44 P(1, "four"), 45 P(2, "four"), 46 }, 47 7, 48 test_hash<std::hash<int> >(8), 49 test_compare<std::equal_to<int> >(9), 50 test_allocator<std::pair<const int, std::string> >(10) 51 ); 52 assert(c.bucket_count() == 7); 53 assert(c.size() == 6); 54 typedef std::pair<C::const_iterator, C::const_iterator> Eq; 55 Eq eq = c.equal_range(1); 56 assert(std::distance(eq.first, eq.second) == 2); 57 C::const_iterator i = eq.first; 58 assert(i->first == 1); 59 assert(i->second == "one"); 60 ++i; 61 assert(i->first == 1); 62 assert(i->second == "four"); 63 eq = c.equal_range(2); 64 assert(std::distance(eq.first, eq.second) == 2); 65 i = eq.first; 66 assert(i->first == 2); 67 assert(i->second == "two"); 68 ++i; 69 assert(i->first == 2); 70 assert(i->second == "four"); 71 72 eq = c.equal_range(3); 73 assert(std::distance(eq.first, eq.second) == 1); 74 i = eq.first; 75 assert(i->first == 3); 76 assert(i->second == "three"); 77 eq = c.equal_range(4); 78 assert(std::distance(eq.first, eq.second) == 1); 79 i = eq.first; 80 assert(i->first == 4); 81 assert(i->second == "four"); 82 assert(std::distance(c.begin(), c.end()) == c.size()); 83 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 84 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 85 assert(c.max_load_factor() == 1); 86 assert(c.hash_function() == test_hash<std::hash<int> >(8)); 87 assert(c.key_eq() == test_compare<std::equal_to<int> >(9)); 88 assert((c.get_allocator() == test_allocator<std::pair<const int, std::string> >(10))); 89 } 90#if __cplusplus >= 201103L 91 { 92 typedef std::unordered_multimap<int, std::string, 93 test_hash<std::hash<int> >, 94 test_compare<std::equal_to<int> >, 95 min_allocator<std::pair<const int, std::string> > 96 > C; 97 typedef std::pair<int, std::string> P; 98 C c({ 99 P(1, "one"), 100 P(2, "two"), 101 P(3, "three"), 102 P(4, "four"), 103 P(1, "four"), 104 P(2, "four"), 105 }, 106 7, 107 test_hash<std::hash<int> >(8), 108 test_compare<std::equal_to<int> >(9), 109 min_allocator<std::pair<const int, std::string> >() 110 ); 111 assert(c.bucket_count() == 7); 112 assert(c.size() == 6); 113 typedef std::pair<C::const_iterator, C::const_iterator> Eq; 114 Eq eq = c.equal_range(1); 115 assert(std::distance(eq.first, eq.second) == 2); 116 C::const_iterator i = eq.first; 117 assert(i->first == 1); 118 assert(i->second == "one"); 119 ++i; 120 assert(i->first == 1); 121 assert(i->second == "four"); 122 eq = c.equal_range(2); 123 assert(std::distance(eq.first, eq.second) == 2); 124 i = eq.first; 125 assert(i->first == 2); 126 assert(i->second == "two"); 127 ++i; 128 assert(i->first == 2); 129 assert(i->second == "four"); 130 131 eq = c.equal_range(3); 132 assert(std::distance(eq.first, eq.second) == 1); 133 i = eq.first; 134 assert(i->first == 3); 135 assert(i->second == "three"); 136 eq = c.equal_range(4); 137 assert(std::distance(eq.first, eq.second) == 1); 138 i = eq.first; 139 assert(i->first == 4); 140 assert(i->second == "four"); 141 assert(std::distance(c.begin(), c.end()) == c.size()); 142 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 143 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 144 assert(c.max_load_factor() == 1); 145 assert(c.hash_function() == test_hash<std::hash<int> >(8)); 146 assert(c.key_eq() == test_compare<std::equal_to<int> >(9)); 147 assert((c.get_allocator() == min_allocator<std::pair<const int, std::string> >())); 148 } 149#endif 150#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 151} 152