init_size.pass.cpp revision e3e3291f3ab4af96b0403cf6e255c833143ae3f1
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <unordered_map> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class Alloc = allocator<pair<const Key, T>>> 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class unordered_multimap 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// unordered_multimap(initializer_list<value_type> il, size_type n); 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <unordered_map> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <string> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../test_compare.h" 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../test_hash.h" 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../test_allocator.h" 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 28e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::unordered_multimap<int, std::string, 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_hash<std::hash<int> >, 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_compare<std::equal_to<int> >, 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_allocator<std::pair<const int, std::string> > 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant > C; 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<int, std::string> P; 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant C c({ 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(1, "one"), 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(2, "two"), 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(3, "three"), 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(4, "four"), 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(1, "four"), 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(2, "four"), 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant }, 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 7 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.bucket_count() == 7); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.size() == 6); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<C::const_iterator, C::const_iterator> Eq; 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant Eq eq = c.equal_range(1); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(eq.first, eq.second) == 2); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant C::const_iterator i = eq.first; 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->first == 1); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->second == "one"); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ++i; 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->first == 1); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->second == "four"); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant eq = c.equal_range(2); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(eq.first, eq.second) == 2); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = eq.first; 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->first == 2); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->second == "two"); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ++i; 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->first == 2); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->second == "four"); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant eq = c.equal_range(3); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(eq.first, eq.second) == 1); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = eq.first; 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->first == 3); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->second == "three"); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant eq = c.equal_range(4); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(eq.first, eq.second) == 1); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = eq.first; 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->first == 4); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i->second == "four"); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(c.begin(), c.end()) == c.size()); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(c.cbegin(), c.cend()) == c.size()); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.load_factor() == (float)c.size()/c.bucket_count()); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.max_load_factor() == 1); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.hash_function() == test_hash<std::hash<int> >()); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.key_eq() == test_compare<std::equal_to<int> >()); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert((c.get_allocator() == test_allocator<std::pair<const int, std::string> >())); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 84e3e3291f3ab4af96b0403cf6e255c833143ae3f1Howard Hinnant#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 86