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 // value_compare value_comp() const;
12
13 #include <map>
14 #include <cassert>
15 #include <string>
16
main(int,char **)17 int main(int, char**) {
18 typedef std::map<int, std::string> map_type;
19
20 map_type m;
21 std::pair<map_type::iterator, bool> p1 = m.insert(map_type::value_type(1, "abc"));
22 std::pair<map_type::iterator, bool> p2 = m.insert(map_type::value_type(2, "abc"));
23
24 const map_type& cm = m;
25
26 assert(cm.value_comp()(*p1.first, *p2.first));
27 assert(!cm.value_comp()(*p2.first, *p1.first));
28
29 return 0;
30 }
31