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 // void insert(initializer_list<value_type> il); 17 18 #include <unordered_map> 19 #include <string> 20 #include <cassert> 21 #include <cstddef> 22 23 #include "test_iterators.h" 24 #include "min_allocator.h" 25 26 int main() 27 { 28 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 29 { 30 typedef std::unordered_multimap<int, std::string> C; 31 typedef std::pair<int, std::string> P; 32 C c; 33 c.insert( 34 { 35 P(1, "one"), 36 P(2, "two"), 37 P(3, "three"), 38 P(4, "four"), 39 P(1, "four"), 40 P(2, "four"), 41 } 42 ); 43 assert(c.size() == 6); 44 typedef std::pair<C::iterator, C::iterator> Eq; 45 Eq eq = c.equal_range(1); 46 assert(std::distance(eq.first, eq.second) == 2); 47 C::iterator k = eq.first; 48 assert(k->first == 1); 49 assert(k->second == "one"); 50 ++k; 51 assert(k->first == 1); 52 assert(k->second == "four"); 53 eq = c.equal_range(2); 54 assert(std::distance(eq.first, eq.second) == 2); 55 k = eq.first; 56 assert(k->first == 2); 57 assert(k->second == "two"); 58 ++k; 59 assert(k->first == 2); 60 assert(k->second == "four"); 61 eq = c.equal_range(3); 62 assert(std::distance(eq.first, eq.second) == 1); 63 k = eq.first; 64 assert(k->first == 3); 65 assert(k->second == "three"); 66 eq = c.equal_range(4); 67 assert(std::distance(eq.first, eq.second) == 1); 68 k = eq.first; 69 assert(k->first == 4); 70 assert(k->second == "four"); 71 assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); 72 assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); 73 } 74 #if TEST_STD_VER >= 11 75 { 76 typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>, 77 min_allocator<std::pair<const int, std::string>>> C; 78 typedef std::pair<int, std::string> P; 79 C c; 80 c.insert( 81 { 82 P(1, "one"), 83 P(2, "two"), 84 P(3, "three"), 85 P(4, "four"), 86 P(1, "four"), 87 P(2, "four"), 88 } 89 ); 90 assert(c.size() == 6); 91 typedef std::pair<C::iterator, C::iterator> Eq; 92 Eq eq = c.equal_range(1); 93 assert(std::distance(eq.first, eq.second) == 2); 94 C::iterator k = eq.first; 95 assert(k->first == 1); 96 assert(k->second == "one"); 97 ++k; 98 assert(k->first == 1); 99 assert(k->second == "four"); 100 eq = c.equal_range(2); 101 assert(std::distance(eq.first, eq.second) == 2); 102 k = eq.first; 103 assert(k->first == 2); 104 assert(k->second == "two"); 105 ++k; 106 assert(k->first == 2); 107 assert(k->second == "four"); 108 eq = c.equal_range(3); 109 assert(std::distance(eq.first, eq.second) == 1); 110 k = eq.first; 111 assert(k->first == 3); 112 assert(k->second == "three"); 113 eq = c.equal_range(4); 114 assert(std::distance(eq.first, eq.second) == 1); 115 k = eq.first; 116 assert(k->first == 4); 117 assert(k->second == "four"); 118 assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); 119 assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); 120 } 121 #endif 122 #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 123 } 124