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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
10
11// <flat_map>
12
13// class flat_multimap
14
15// pair<iterator,iterator> equal_range(const key_type& k);
16// pair<const_iterator,const_iterator> equal_range(const key_type& k) const;
17
18#include <cassert>
19#include <deque>
20#include <flat_map>
21#include <functional>
22#include <utility>
23
24#include "MinSequenceContainer.h"
25#include "test_macros.h"
26#include "min_allocator.h"
27
28template <class KeyContainer, class ValueContainer>
29void test() {
30 using Key = typename KeyContainer::value_type;
31 using Value = typename ValueContainer::value_type;
32 {
33 using M = std::flat_multimap<Key, Value, std::less<>, KeyContainer, ValueContainer>;
34 using R = std::pair<typename M::iterator, typename M::iterator>;
35 using CR = std::pair<typename M::const_iterator, typename M::const_iterator>;
36 M m = {{1, 'a'}, {1, 'a'}, {1, 'A'}, {2, 'b'}, {4, 'd'}, {5, 'E'}, {5, 'e'}, {8, 'h'}, {8, 'z'}};
37 ASSERT_SAME_TYPE(decltype(m.equal_range(0)), R);
38 ASSERT_SAME_TYPE(decltype(std::as_const(m).equal_range(0)), CR);
39 auto begin = m.begin();
40 assert(m.equal_range(0) == std::pair(begin, begin));
41 assert(m.equal_range(1) == std::pair(begin, begin + 3));
42 assert(m.equal_range(2) == std::pair(begin + 3, begin + 4));
43 assert(m.equal_range(3) == std::pair(begin + 4, begin + 4));
44 assert(m.equal_range(4) == std::pair(begin + 4, begin + 5));
45 assert(m.equal_range(5) == std::pair(begin + 5, begin + 7));
46 assert(m.equal_range(6) == std::pair(begin + 7, begin + 7));
47 assert(m.equal_range(7) == std::pair(begin + 7, begin + 7));
48 assert(std::as_const(m).equal_range(8) == std::pair(m.cbegin() + 7, m.cbegin() + 9));
49 assert(std::as_const(m).equal_range(9) == std::pair(m.cbegin() + 9, m.cbegin() + 9));
50 }
51
52 {
53 using M = std::flat_multimap<Key, Value, std::greater<int>, KeyContainer, ValueContainer>;
54 using R = std::pair<typename M::iterator, typename M::iterator>;
55 using CR = std::pair<typename M::const_iterator, typename M::const_iterator>;
56 M m = {
57 {1, 'a'}, {2, 'b'}, {2, 'b'}, {2, 'c'}, {4, 'a'}, {4, 'b'}, {4, 'c'}, {4, 'd'}, {5, 'e'}, {8, 'a'}, {8, 'h'}};
58 ASSERT_SAME_TYPE(decltype(m.equal_range(0)), R);
59 ASSERT_SAME_TYPE(decltype(std::as_const(m).equal_range(0)), CR);
60 auto begin = m.begin();
61 assert(m.equal_range(0) == std::pair(begin + 11, begin + 11));
62 assert(m.equal_range(1) == std::pair(begin + 10, begin + 11));
63 assert(m.equal_range(2) == std::pair(begin + 7, begin + 10));
64 assert(m.equal_range(3) == std::pair(begin + 7, begin + 7));
65 assert(m.equal_range(4) == std::pair(begin + 3, begin + 7));
66 assert(m.equal_range(5) == std::pair(begin + 2, begin + 3));
67 assert(m.equal_range(6) == std::pair(begin + 2, begin + 2));
68 assert(m.equal_range(7) == std::pair(begin + 2, begin + 2));
69 assert(std::as_const(m).equal_range(8) == std::pair(m.cbegin(), m.cbegin() + 2));
70 assert(std::as_const(m).equal_range(9) == std::pair(m.cbegin(), m.cbegin()));
71 }
72}
73
74int main(int, char**) {
75 test<std::vector<int>, std::vector<char>>();
76 test<std::deque<int>, std::vector<char>>();
77 test<MinSequenceContainer<int>, MinSequenceContainer<char>>();
78 test<std::vector<int, min_allocator<int>>, std::vector<char, min_allocator<char>>>();
79
80 return 0;
81}
82

source code of libcxx/test/std/containers/container.adaptors/flat.multimap/flat.multimap.operations/equal_range.pass.cpp