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 // iterator begin() {return __table_.begin();} 17 // iterator end() {return __table_.end();} 18 // const_iterator begin() const {return __table_.begin();} 19 // const_iterator end() const {return __table_.end();} 20 // const_iterator cbegin() const {return __table_.begin();} 21 // const_iterator cend() const {return __table_.end();} 22 23 #include <unordered_map> 24 #include <string> 25 #include <cassert> 26 27 #include "min_allocator.h" 28 29 int main() 30 { 31 { 32 typedef std::unordered_multimap<int, std::string> C; 33 typedef std::pair<int, std::string> P; 34 P a[] = 35 { 36 P(1, "one"), 37 P(2, "two"), 38 P(3, "three"), 39 P(4, "four"), 40 P(1, "four"), 41 P(2, "four"), 42 }; 43 C c(a, a + sizeof(a)/sizeof(a[0])); 44 assert(c.bucket_count() >= 7); 45 assert(c.size() == 6); 46 assert(std::distance(c.begin(), c.end()) == c.size()); 47 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 48 C::iterator i; 49 i = c.begin(); 50 i->second = "ONE"; 51 assert(i->second == "ONE"); 52 } 53 { 54 typedef std::unordered_multimap<int, std::string> C; 55 typedef std::pair<int, std::string> P; 56 P a[] = 57 { 58 P(1, "one"), 59 P(2, "two"), 60 P(3, "three"), 61 P(4, "four"), 62 P(1, "four"), 63 P(2, "four"), 64 }; 65 const C c(a, a + sizeof(a)/sizeof(a[0])); 66 assert(c.bucket_count() >= 7); 67 assert(c.size() == 6); 68 assert(std::distance(c.begin(), c.end()) == c.size()); 69 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 70 C::const_iterator i; 71 } 72 #if __cplusplus >= 201103L 73 { 74 typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>, 75 min_allocator<std::pair<const int, std::string>>> C; 76 typedef std::pair<int, std::string> P; 77 P a[] = 78 { 79 P(1, "one"), 80 P(2, "two"), 81 P(3, "three"), 82 P(4, "four"), 83 P(1, "four"), 84 P(2, "four"), 85 }; 86 C c(a, a + sizeof(a)/sizeof(a[0])); 87 assert(c.bucket_count() >= 7); 88 assert(c.size() == 6); 89 assert(std::distance(c.begin(), c.end()) == c.size()); 90 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 91 C::iterator i; 92 i = c.begin(); 93 i->second = "ONE"; 94 assert(i->second == "ONE"); 95 } 96 { 97 typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>, 98 min_allocator<std::pair<const int, std::string>>> C; 99 typedef std::pair<int, std::string> P; 100 P a[] = 101 { 102 P(1, "one"), 103 P(2, "two"), 104 P(3, "three"), 105 P(4, "four"), 106 P(1, "four"), 107 P(2, "four"), 108 }; 109 const C c(a, a + sizeof(a)/sizeof(a[0])); 110 assert(c.bucket_count() >= 7); 111 assert(c.size() == 6); 112 assert(std::distance(c.begin(), c.end()) == c.size()); 113 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 114 C::const_iterator i; 115 } 116 #endif 117 #if _LIBCPP_STD_VER > 11 118 { // N3644 testing 119 typedef std::unordered_multimap<int,double> C; 120 C::iterator ii1{}, ii2{}; 121 C::iterator ii4 = ii1; 122 C::const_iterator cii{}; 123 assert ( ii1 == ii2 ); 124 assert ( ii1 == ii4 ); 125 126 assert (!(ii1 != ii2 )); 127 128 assert ( (ii1 == cii )); 129 assert ( (cii == ii1 )); 130 assert (!(ii1 != cii )); 131 assert (!(cii != ii1 )); 132 } 133 #endif 134 } 135