xref: /llvm-project/libcxx/test/std/containers/associative/multimap/multimap.observers/value_comp.pass.cpp (revision 56c8ad237aa4088e61be09ca30830ee704f10018)
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::multimap<int, std::string> map_type;
19 
20     map_type m;
21     map_type::iterator i1 = m.insert(map_type::value_type(1, "abc"));
22     map_type::iterator i2 = m.insert(map_type::value_type(2, "abc"));
23 
24     const map_type& cm = m;
25 
26     assert(cm.value_comp()(*i1, *i2));
27     assert(!cm.value_comp()(*i2, *i1));
28 
29     return 0;
30 }
31