1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <map>
// class map
// size_type max_size() const;
#include <cassert>
#include <limits>
#include <map>
#include <type_traits>
#include "test_allocator.h"
#include "test_macros.h"
int main()
{
typedef std::pair<const int, int> KV;
{
typedef limited_allocator<KV, 10> A;
typedef std::map<int, int, std::less<int>, A> C;
C c;
assert(c.max_size() <= 10);
LIBCPP_ASSERT(c.max_size() == 10);
}
{
typedef limited_allocator<KV, (size_t)-1> A;
typedef std::map<int, int, std::less<int>, A> C;
const C::difference_type max_dist =
std::numeric_limits<C::difference_type>::max();
C c;
assert(c.max_size() <= max_dist);
LIBCPP_ASSERT(c.max_size() == max_dist);
}
{
typedef std::map<char, int> C;
const C::difference_type max_dist =
std::numeric_limits<C::difference_type>::max();
C c;
assert(c.max_size() <= max_dist);
assert(c.max_size() <= alloc_max_size(c.get_allocator()));
}
}
|