allocator.pass.cpp (5318B)
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 // explicit unordered_multimap(const allocator_type& __a); 17 18 #include <unordered_map> 19 #include <cassert> 20 21 #include "test_macros.h" 22 #include "../../../NotConstructible.h" 23 #include "../../../test_compare.h" 24 #include "../../../test_hash.h" 25 #include "test_allocator.h" 26 #include "min_allocator.h" 27 28 int main() 29 { 30 { 31 typedef std::unordered_multimap<NotConstructible, NotConstructible, 32 test_hash<std::hash<NotConstructible> >, 33 test_compare<std::equal_to<NotConstructible> >, 34 test_allocator<std::pair<const NotConstructible, 35 NotConstructible> > 36 > C; 37 C c(test_allocator<std::pair<const NotConstructible, NotConstructible> >(10)); 38 LIBCPP_ASSERT(c.bucket_count() == 0); 39 assert(c.hash_function() == test_hash<std::hash<NotConstructible> >()); 40 assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >()); 41 assert(c.get_allocator() == 42 (test_allocator<std::pair<const NotConstructible, NotConstructible> >(10))); 43 assert(c.size() == 0); 44 assert(c.empty()); 45 assert(std::distance(c.begin(), c.end()) == 0); 46 assert(c.load_factor() == 0); 47 assert(c.max_load_factor() == 1); 48 } 49 #if TEST_STD_VER >= 11 50 { 51 typedef std::unordered_multimap<NotConstructible, NotConstructible, 52 test_hash<std::hash<NotConstructible> >, 53 test_compare<std::equal_to<NotConstructible> >, 54 min_allocator<std::pair<const NotConstructible, 55 NotConstructible> > 56 > C; 57 C c(min_allocator<std::pair<const NotConstructible, NotConstructible> >{}); 58 LIBCPP_ASSERT(c.bucket_count() == 0); 59 assert(c.hash_function() == test_hash<std::hash<NotConstructible> >()); 60 assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >()); 61 assert(c.get_allocator() == 62 (min_allocator<std::pair<const NotConstructible, NotConstructible> >())); 63 assert(c.size() == 0); 64 assert(c.empty()); 65 assert(std::distance(c.begin(), c.end()) == 0); 66 assert(c.load_factor() == 0); 67 assert(c.max_load_factor() == 1); 68 } 69 { 70 typedef explicit_allocator<std::pair<const NotConstructible, NotConstructible>> A; 71 typedef std::unordered_multimap<NotConstructible, NotConstructible, 72 test_hash<std::hash<NotConstructible> >, 73 test_compare<std::equal_to<NotConstructible> >, 74 A 75 > C; 76 C c(A{}); 77 LIBCPP_ASSERT(c.bucket_count() == 0); 78 assert(c.hash_function() == test_hash<std::hash<NotConstructible> >()); 79 assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >()); 80 assert(c.get_allocator() == A{}); 81 assert(c.size() == 0); 82 assert(c.empty()); 83 assert(std::distance(c.begin(), c.end()) == 0); 84 assert(c.load_factor() == 0); 85 assert(c.max_load_factor() == 1); 86 } 87 #if TEST_STD_VER > 11 88 { 89 typedef NotConstructible T; 90 typedef test_allocator<std::pair<const T, T>> A; 91 typedef test_hash<std::hash<T>> HF; 92 typedef test_compare<std::equal_to<T>> Comp; 93 typedef std::unordered_multimap<T, T, HF, Comp, A> C; 94 95 A a(10); 96 C c(2, a); 97 LIBCPP_ASSERT(c.bucket_count() == 2); 98 assert(c.hash_function() == HF()); 99 assert(c.key_eq() == Comp()); 100 assert(c.get_allocator() == a); 101 assert(c.size() == 0); 102 assert(c.empty()); 103 assert(std::distance(c.begin(), c.end()) == 0); 104 assert(c.load_factor() == 0); 105 assert(c.max_load_factor() == 1); 106 } 107 { 108 typedef NotConstructible T; 109 typedef test_allocator<std::pair<const T, T>> A; 110 typedef test_hash<std::hash<T>> HF; 111 typedef test_compare<std::equal_to<T>> Comp; 112 typedef std::unordered_multimap<T, T, HF, Comp, A> C; 113 114 A a(10); 115 HF hf(12); 116 C c(2, hf, a); 117 LIBCPP_ASSERT(c.bucket_count() == 2); 118 assert(c.hash_function() == hf); 119 assert(!(c.hash_function() == HF())); 120 assert(c.key_eq() == Comp()); 121 assert(c.get_allocator() == a); 122 assert(c.size() == 0); 123 assert(c.empty()); 124 assert(std::distance(c.begin(), c.end()) == 0); 125 assert(c.load_factor() == 0); 126 assert(c.max_load_factor() == 1); 127 } 128 #endif 129 #endif 130 }