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_set> 11 12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, 13 // class Alloc = allocator<Value>> 14 // class unordered_multiset 15 16 // unordered_multiset(initializer_list<value_type> il, size_type n); 17 18 #include <unordered_set> 19 #include <cassert> 20 #include <cfloat> 21 22 #include "../../../test_compare.h" 23 #include "../../../test_hash.h" 24 #include "test_allocator.h" 25 #include "min_allocator.h" 26 27 int main() 28 { 29 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 30 { 31 typedef std::unordered_multiset<int, 32 test_hash<std::hash<int> >, 33 test_compare<std::equal_to<int> >, 34 test_allocator<int> 35 > C; 36 typedef int P; 37 C c({ 38 P(1), 39 P(2), 40 P(3), 41 P(4), 42 P(1), 43 P(2) 44 }, 45 7 46 ); 47 assert(c.bucket_count() == 7); 48 assert(c.size() == 6); 49 assert(c.count(1) == 2); 50 assert(c.count(2) == 2); 51 assert(c.count(3) == 1); 52 assert(c.count(4) == 1); 53 assert(c.hash_function() == test_hash<std::hash<int> >()); 54 assert(c.key_eq() == test_compare<std::equal_to<int> >()); 55 assert(c.get_allocator() == test_allocator<int>()); 56 assert(!c.empty()); 57 assert(std::distance(c.begin(), c.end()) == c.size()); 58 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 59 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 60 assert(c.max_load_factor() == 1); 61 } 62 #if __cplusplus >= 201103L 63 { 64 typedef std::unordered_multiset<int, 65 test_hash<std::hash<int> >, 66 test_compare<std::equal_to<int> >, 67 min_allocator<int> 68 > C; 69 typedef int P; 70 C c({ 71 P(1), 72 P(2), 73 P(3), 74 P(4), 75 P(1), 76 P(2) 77 }, 78 7 79 ); 80 assert(c.bucket_count() == 7); 81 assert(c.size() == 6); 82 assert(c.count(1) == 2); 83 assert(c.count(2) == 2); 84 assert(c.count(3) == 1); 85 assert(c.count(4) == 1); 86 assert(c.hash_function() == test_hash<std::hash<int> >()); 87 assert(c.key_eq() == test_compare<std::equal_to<int> >()); 88 assert(c.get_allocator() == min_allocator<int>()); 89 assert(!c.empty()); 90 assert(std::distance(c.begin(), c.end()) == c.size()); 91 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 92 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 93 assert(c.max_load_factor() == 1); 94 } 95 #endif 96 #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 97 } 98
