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