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// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
13//           class Alloc = allocator<pair<const Key, T>>>
14// class unordered_map
15
16// float max_load_factor() const;
17// void max_load_factor(float mlf);
18
19#ifdef _LIBCPP_DEBUG
20#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
21#endif
22
23#include <unordered_map>
24#include <string>
25#include <cassert>
26
27#include "min_allocator.h"
28
29int main()
30{
31    {
32        typedef std::unordered_map<int, std::string> C;
33        typedef std::pair<int, std::string> P;
34        const C c;
35        assert(c.max_load_factor() == 1);
36    }
37    {
38        typedef std::unordered_map<int, std::string> C;
39        typedef std::pair<int, std::string> P;
40        C c;
41        assert(c.max_load_factor() == 1);
42        c.max_load_factor(2.5);
43        assert(c.max_load_factor() == 2.5);
44    }
45#if __cplusplus >= 201103L
46    {
47        typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>,
48                            min_allocator<std::pair<const int, std::string>>> C;
49        typedef std::pair<int, std::string> P;
50        const C c;
51        assert(c.max_load_factor() == 1);
52    }
53    {
54        typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>,
55                            min_allocator<std::pair<const int, std::string>>> C;
56        typedef std::pair<int, std::string> P;
57        C c;
58        assert(c.max_load_factor() == 1);
59        c.max_load_factor(2.5);
60        assert(c.max_load_factor() == 2.5);
61    }
62#endif
63#if _LIBCPP_DEBUG_LEVEL >= 1
64    {
65        typedef std::unordered_map<int, std::string> C;
66        C c;
67        c.max_load_factor(0);
68        assert(false);
69    }
70#endif
71}
72