1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <locale>
11 
12 // class locale::facet
13 // {
14 // protected:
15 //     explicit facet(size_t refs = 0);
16 //     virtual ~facet();
17 //     facet(const facet&) = delete;
18 //     void operator=(const facet&) = delete;
19 // };
20 
21 // This test isn't portable
22 
23 #include <locale>
24 #include <cassert>
25 
26 struct my_facet
27     : public std::locale::facet
28 {
29     static int count;
30     my_facet(unsigned refs = 0)
31         : std::locale::facet(refs)
32         {++count;}
33 
34     ~my_facet() {--count;}
35 };
36 
37 int my_facet::count = 0;
38 
39 int main()
40 {
41     my_facet* f = new my_facet;
42     f->__add_shared();
43     assert(my_facet::count == 1);
44     f->__release_shared();
45     assert(my_facet::count == 0);
46     f = new my_facet(1);
47     f->__add_shared();
48     assert(my_facet::count == 1);
49     f->__release_shared();
50     assert(my_facet::count == 1);
51     f->__release_shared();
52     assert(my_facet::count == 0);
53 }
54