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_set 15 16// template <class InputIterator> 17// unordered_set(InputIterator first, InputIterator last, size_type n, 18// const hasher& hf, const key_equal& eql, 19// const allocator_type& a); 20 21#include <unordered_set> 22#include <cassert> 23#include <cfloat> 24 25#include "test_iterators.h" 26#include "../../../test_compare.h" 27#include "../../../test_hash.h" 28#include "test_allocator.h" 29#include "min_allocator.h" 30 31int main() 32{ 33 { 34 typedef std::unordered_set<int, 35 test_hash<std::hash<int> >, 36 test_compare<std::equal_to<int> >, 37 test_allocator<int> 38 > C; 39 typedef int P; 40 P a[] = 41 { 42 P(1), 43 P(2), 44 P(3), 45 P(4), 46 P(1), 47 P(2) 48 }; 49 C c(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])), 50 7, 51 test_hash<std::hash<int> >(8), 52 test_compare<std::equal_to<int> >(9), 53 test_allocator<int>(10) 54 ); 55 assert(c.bucket_count() == 7); 56 assert(c.size() == 4); 57 assert(c.count(1) == 1); 58 assert(c.count(2) == 1); 59 assert(c.count(3) == 1); 60 assert(c.count(4) == 1); 61 assert(c.hash_function() == test_hash<std::hash<int> >(8)); 62 assert(c.key_eq() == test_compare<std::equal_to<int> >(9)); 63 assert(c.get_allocator() == test_allocator<int>(10)); 64 assert(!c.empty()); 65 assert(std::distance(c.begin(), c.end()) == c.size()); 66 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 67 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 68 assert(c.max_load_factor() == 1); 69 } 70#if __cplusplus >= 201103L 71 { 72 typedef std::unordered_set<int, 73 test_hash<std::hash<int> >, 74 test_compare<std::equal_to<int> >, 75 min_allocator<int> 76 > C; 77 typedef int P; 78 P a[] = 79 { 80 P(1), 81 P(2), 82 P(3), 83 P(4), 84 P(1), 85 P(2) 86 }; 87 C c(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])), 88 7, 89 test_hash<std::hash<int> >(8), 90 test_compare<std::equal_to<int> >(9), 91 min_allocator<int>() 92 ); 93 assert(c.bucket_count() == 7); 94 assert(c.size() == 4); 95 assert(c.count(1) == 1); 96 assert(c.count(2) == 1); 97 assert(c.count(3) == 1); 98 assert(c.count(4) == 1); 99 assert(c.hash_function() == test_hash<std::hash<int> >(8)); 100 assert(c.key_eq() == test_compare<std::equal_to<int> >(9)); 101 assert(c.get_allocator() == min_allocator<int>()); 102 assert(!c.empty()); 103 assert(std::distance(c.begin(), c.end()) == c.size()); 104 assert(std::distance(c.cbegin(), c.cend()) == c.size()); 105 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 106 assert(c.max_load_factor() == 1); 107 } 108#endif 109} 110