range_size_hash_equal_allocator.pass.cpp revision 83e2c4d877fe2d7793868b1c6a5d9525a7c4d431
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_map 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class InputIterator> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// unordered_map(InputIterator first, InputIterator last, size_type n, 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// const hasher& hf, const key_equal& eql, 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// const allocator_type& a); 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <unordered_map> 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <string> 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 24f836d531b4146465342939fe32ae47d157ee07b2Howard Hinnant#include <cfloat> 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2683e2c4d877fe2d7793868b1c6a5d9525a7c4d431Marshall Clow#include "test_iterators.h" 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../NotConstructible.h" 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../test_compare.h" 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../test_hash.h" 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "../../../test_allocator.h" 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::unordered_map<int, std::string, 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_hash<std::hash<int> >, 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_compare<std::equal_to<int> >, 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_allocator<std::pair<const int, std::string> > 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant > C; 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::pair<int, std::string> P; 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P a[] = 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(1, "one"), 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(2, "two"), 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(3, "three"), 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(4, "four"), 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(1, "four"), 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant P(2, "four"), 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant }; 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant C c(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])), 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 7, 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_hash<std::hash<int> >(8), 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_compare<std::equal_to<int> >(9), 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_allocator<std::pair<const int, std::string> >(10) 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.bucket_count() == 7); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.size() == 4); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.at(1) == "one"); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.at(2) == "two"); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.at(3) == "three"); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.at(4) == "four"); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.hash_function() == test_hash<std::hash<int> >(8)); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.key_eq() == test_compare<std::equal_to<int> >(9)); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.get_allocator() == 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant (test_allocator<std::pair<const int, std::string> >(10))); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!c.empty()); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(c.begin(), c.end()) == c.size()); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::distance(c.cbegin(), c.cend()) == c.size()); 69f836d531b4146465342939fe32ae47d157ee07b2Howard Hinnant assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(c.max_load_factor() == 1); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 73