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 #include <unordered_map>
20 #include <string>
21 #include <cassert>
22
23 #include "test_macros.h"
24 #include "min_allocator.h"
25
main()26 int main()
27 {
28 {
29 typedef std::unordered_map<int, std::string> C;
30 const C c;
31 assert(c.max_load_factor() == 1);
32 }
33 {
34 typedef std::unordered_map<int, std::string> C;
35 C c;
36 assert(c.max_load_factor() == 1);
37 c.max_load_factor(2.5);
38 assert(c.max_load_factor() == 2.5);
39 }
40 #if TEST_STD_VER >= 11
41 {
42 typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>,
43 min_allocator<std::pair<const int, std::string>>> C;
44 const C c;
45 assert(c.max_load_factor() == 1);
46 }
47 {
48 typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>,
49 min_allocator<std::pair<const int, std::string>>> C;
50 C c;
51 assert(c.max_load_factor() == 1);
52 c.max_load_factor(2.5);
53 assert(c.max_load_factor() == 2.5);
54 }
55 #endif
56 #if _LIBCPP_DEBUG_LEVEL >= 1
57 {
58 typedef std::unordered_map<int, std::string> C;
59 C c;
60 c.max_load_factor(0);
61 assert(false);
62 }
63 #endif
64 }
65