xref: /llvm-project/libcxx/test/std/containers/associative/multimap/multimap.cons/default.pass.cpp (revision 57b08b0944046a6a57ee9b7b479181f548a5b9b4)
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 // class multimap
12 
13 // multimap();
14 
15 #include <map>
16 #include <cassert>
17 
18 #include "min_allocator.h"
19 
20 int main()
21 {
22     {
23     std::multimap<int, double> m;
24     assert(m.empty());
25     assert(m.begin() == m.end());
26     }
27 #if TEST_STD_VER >= 11
28     {
29     std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> m;
30     assert(m.empty());
31     assert(m.begin() == m.end());
32     }
33     {
34     typedef explicit_allocator<std::pair<const int, double>> A;
35         {
36         std::multimap<int, double, std::less<int>, A> m;
37         assert(m.empty());
38         assert(m.begin() == m.end());
39         }
40         {
41         A a;
42         std::multimap<int, double, std::less<int>, A> m(a);
43         assert(m.empty());
44         assert(m.begin() == m.end());
45         }
46     }
47     {
48     std::multimap<int, double> m = {};
49     assert(m.empty());
50     assert(m.begin() == m.end());
51     }
52 #endif
53 }
54