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 // <map> 11 12 // class map 13 14 // size_type max_size() const; 15 16 #include <cassert> 17 #include <limits> 18 #include <map> 19 #include <type_traits> 20 21 #include "test_allocator.h" 22 #include "test_macros.h" 23 24 int main() 25 { 26 typedef std::pair<const int, int> KV; 27 { 28 typedef limited_allocator<KV, 10> A; 29 typedef std::map<int, int, std::less<int>, A> C; 30 C c; 31 assert(c.max_size() <= 10); 32 LIBCPP_ASSERT(c.max_size() == 10); 33 } 34 { 35 typedef limited_allocator<KV, (size_t)-1> A; 36 typedef std::map<int, int, std::less<int>, A> C; 37 const C::difference_type max_dist = 38 std::numeric_limits<C::difference_type>::max(); 39 C c; 40 assert(c.max_size() <= max_dist); 41 LIBCPP_ASSERT(c.max_size() == max_dist); 42 } 43 { 44 typedef std::map<char, int> C; 45 const C::difference_type max_dist = 46 std::numeric_limits<C::difference_type>::max(); 47 C c; 48 assert(c.max_size() <= max_dist); 49 assert(c.max_size() <= alloc_max_size(c.get_allocator())); 50 } 51 } 52