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// iterator lower_bound(const key_type& k);
16// const_iterator lower_bound(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<Key>, KeyContainer, ValueContainer>;
34 M m = {{1, 'a'}, {2, 'a'}, {2, 'c'}, {2, 'b'}, {4, 'd'}, {5, 'a'}, {5, 'e'}, {8, 'h'}, {8, 'a'}};
35 ASSERT_SAME_TYPE(decltype(m.lower_bound(0)), typename M::iterator);
36 ASSERT_SAME_TYPE(decltype(std::as_const(m).lower_bound(0)), typename M::const_iterator);
37 assert(m.lower_bound(0) == m.begin());
38 assert(m.lower_bound(1) == m.begin());
39 assert(m.lower_bound(2) == m.begin() + 1);
40 assert(m.lower_bound(3) == m.begin() + 4);
41 assert(m.lower_bound(4) == m.begin() + 4);
42 assert(m.lower_bound(5) == m.begin() + 5);
43 assert(m.lower_bound(6) == m.begin() + 7);
44 assert(m.lower_bound(7) == m.begin() + 7);
45 assert(std::as_const(m).lower_bound(8) == m.begin() + 7);
46 assert(std::as_const(m).lower_bound(9) == m.end());
47 }
48 {
49 using M = std::flat_multimap<Key, Value, std::greater<Key>, KeyContainer, ValueContainer>;
50 M m = {{1, 'a'}, {1, 'b'}, {2, 'b'}, {4, 'd'}, {4, 'a'}, {4, 'e'}, {5, 'e'}, {8, 'a'}, {8, 'h'}};
51 ASSERT_SAME_TYPE(decltype(m.lower_bound(0)), typename M::iterator);
52 ASSERT_SAME_TYPE(decltype(std::as_const(m).lower_bound(0)), typename M::const_iterator);
53 assert(m.lower_bound(0) == m.end());
54 assert(m.lower_bound(1) == m.begin() + 7);
55 assert(m.lower_bound(2) == m.begin() + 6);
56 assert(m.lower_bound(3) == m.begin() + 6);
57 assert(m.lower_bound(4) == m.begin() + 3);
58 assert(m.lower_bound(5) == m.begin() + 2);
59 assert(m.lower_bound(6) == m.begin() + 2);
60 assert(m.lower_bound(7) == m.begin() + 2);
61 assert(std::as_const(m).lower_bound(8) == m.begin());
62 assert(std::as_const(m).lower_bound(9) == m.begin());
63 }
64}
65
66int main(int, char**) {
67 test<std::vector<int>, std::vector<char>>();
68 test<std::deque<int>, std::vector<char>>();
69 test<MinSequenceContainer<int>, MinSequenceContainer<char>>();
70 test<std::vector<int, min_allocator<int>>, std::vector<char, min_allocator<char>>>();
71
72 return 0;
73}
74

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