ctor.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
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// template <class charT> class ctype;
13
14// explicit ctype(size_t refs = 0);
15
16#include <locale>
17#include <cassert>
18
19template <class C>
20class my_facet
21    : public std::ctype<C>
22{
23public:
24    static int count;
25
26    explicit my_facet(std::size_t refs = 0)
27        : std::ctype<C>(refs) {++count;}
28
29    ~my_facet() {--count;}
30};
31
32template <class C> int my_facet<C>::count = 0;
33
34int main()
35{
36    {
37        std::locale l(std::locale::classic(), new my_facet<wchar_t>);
38        assert(my_facet<wchar_t>::count == 1);
39    }
40    assert(my_facet<wchar_t>::count == 0);
41    {
42        my_facet<wchar_t> f(1);
43        assert(my_facet<wchar_t>::count == 1);
44        {
45            std::locale l(std::locale::classic(), &f);
46            assert(my_facet<wchar_t>::count == 1);
47        }
48        assert(my_facet<wchar_t>::count == 1);
49    }
50    assert(my_facet<wchar_t>::count == 0);
51}
52