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// class unordered_multimap 13 14// size_type max_size() const; 15 16#include <cassert> 17#include <limits> 18#include <type_traits> 19#include <unordered_map> 20 21#include "test_allocator.h" 22#include "test_macros.h" 23 24int main() 25{ 26 typedef std::pair<const int, int> KV; 27 { 28 typedef limited_allocator<KV, 10> A; 29 typedef std::unordered_multimap<int, int, std::hash<int>, 30 std::equal_to<int>, A> 31 C; 32 C c; 33 assert(c.max_size() <= 10); 34 LIBCPP_ASSERT(c.max_size() == 10); 35 } 36 { 37 typedef limited_allocator<KV, (size_t)-1> A; 38 typedef std::unordered_multimap<int, int, std::hash<int>, 39 std::equal_to<int>, A> 40 C; 41 const C::difference_type max_dist = 42 std::numeric_limits<C::difference_type>::max(); 43 C c; 44 assert(c.max_size() <= max_dist); 45 LIBCPP_ASSERT(c.max_size() == max_dist); 46 } 47 { 48 typedef std::unordered_multimap<char, int> C; 49 const C::difference_type max_dist = 50 std::numeric_limits<C::difference_type>::max(); 51 C c; 52 assert(c.max_size() <= max_dist); 53 assert(c.max_size() <= alloc_max_size(c.get_allocator())); 54 } 55} 56