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// <unordered_map>
10
11// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
12// class Alloc = allocator<pair<const Key, T>>>
13// class unordered_map
14
15// template <class InputIterator>
16// void insert(InputIterator first, InputIterator last);
17
18#include <unordered_map>
19#include <string>
20#include <cassert>
21
22#include "test_macros.h"
23#include "test_iterators.h"
24#include "min_allocator.h"
25
26int main(int, char**) {
27 {
28 typedef std::unordered_map<int, std::string> C;
29 typedef std::pair<int, std::string> P;
30 P a[] = {
31 P(1, "one"),
32 P(2, "two"),
33 P(3, "three"),
34 P(4, "four"),
35 P(1, "four"),
36 P(2, "four"),
37 };
38 C c;
39 c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a) / sizeof(a[0])));
40 assert(c.size() == 4);
41 assert(c.at(1) == "one");
42 assert(c.at(2) == "two");
43 assert(c.at(3) == "three");
44 assert(c.at(4) == "four");
45 }
46#if TEST_STD_VER >= 11
47 {
48 typedef std::unordered_map<int,
49 std::string,
50 std::hash<int>,
51 std::equal_to<int>,
52 min_allocator<std::pair<const int, std::string>>>
53 C;
54 typedef std::pair<int, std::string> P;
55 P a[] = {
56 P(1, "one"),
57 P(2, "two"),
58 P(3, "three"),
59 P(4, "four"),
60 P(1, "four"),
61 P(2, "four"),
62 };
63 C c;
64 c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a) / sizeof(a[0])));
65 assert(c.size() == 4);
66 assert(c.at(1) == "one");
67 assert(c.at(2) == "two");
68 assert(c.at(3) == "three");
69 assert(c.at(4) == "four");
70 }
71#endif
72
73 return 0;
74}
75

source code of libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_iter_iter.pass.cpp