1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <map>
10
11// template <class Key, class T, class Compare = less<Key>,
12// class Allocator = allocator<pair<const Key, T>>>
13// class multimap
14// {
15// public:
16// // types:
17// typedef Key key_type;
18// typedef T mapped_type;
19// typedef pair<const key_type, mapped_type> value_type;
20// typedef Compare key_compare;
21// typedef Allocator allocator_type;
22// typedef typename allocator_type::reference reference;
23// typedef typename allocator_type::const_reference const_reference;
24// typedef typename allocator_type::pointer pointer;
25// typedef typename allocator_type::const_pointer const_pointer;
26// typedef typename allocator_type::size_type size_type;
27// typedef typename allocator_type::difference_type difference_type;
28// ...
29// };
30
31#include <map>
32#include <type_traits>
33
34#include "test_macros.h"
35#include "min_allocator.h"
36
37int main(int, char**) {
38 {
39 typedef std::multimap<int, double> C;
40 static_assert((std::is_same<C::key_type, int>::value), "");
41 static_assert((std::is_same<C::mapped_type, double>::value), "");
42 static_assert((std::is_same<C::value_type, std::pair<const int, double> >::value), "");
43 static_assert((std::is_same<C::key_compare, std::less<int> >::value), "");
44 static_assert((std::is_same<C::allocator_type, std::allocator<std::pair<const int, double> > >::value), "");
45 static_assert((std::is_same<C::reference, std::pair<const int, double>&>::value), "");
46 static_assert((std::is_same<C::const_reference, const std::pair<const int, double>&>::value), "");
47 static_assert((std::is_same<C::pointer, std::pair<const int, double>*>::value), "");
48 static_assert((std::is_same<C::const_pointer, const std::pair<const int, double>*>::value), "");
49 static_assert((std::is_same<C::size_type, std::size_t>::value), "");
50 static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
51 }
52#if TEST_STD_VER >= 11
53 {
54 typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> C;
55 static_assert((std::is_same<C::key_type, int>::value), "");
56 static_assert((std::is_same<C::mapped_type, double>::value), "");
57 static_assert((std::is_same<C::value_type, std::pair<const int, double> >::value), "");
58 static_assert((std::is_same<C::key_compare, std::less<int> >::value), "");
59 static_assert((std::is_same<C::allocator_type, min_allocator<std::pair<const int, double> > >::value), "");
60 static_assert((std::is_same<C::reference, std::pair<const int, double>&>::value), "");
61 static_assert((std::is_same<C::const_reference, const std::pair<const int, double>&>::value), "");
62 static_assert((std::is_same<C::pointer, min_pointer<std::pair<const int, double>>>::value), "");
63 static_assert((std::is_same<C::const_pointer, min_pointer<const std::pair<const int, double>>>::value), "");
64 // min_allocator doesn't have a size_type, so one gets synthesized
65 static_assert((std::is_same<C::size_type, std::make_unsigned<C::difference_type>::type>::value), "");
66 static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
67 }
68#endif
69
70 return 0;
71}
72

source code of libcxx/test/std/containers/associative/multimap/types.pass.cpp