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 // <iosfwd>
11 
12 #include <iosfwd>
13 #include <cwchar>  // for mbstate_t
14 
test()15 template <class Ptr> void test()
16 {
17     Ptr p = 0;
18     ((void)p); // Prevent unused warning
19 }
20 
main()21 int main()
22 {
23     test<std::char_traits<char>*          >();
24     test<std::char_traits<wchar_t>*       >();
25     test<std::char_traits<unsigned short>*>();
26 
27     test<std::basic_ios<char>*          >();
28     test<std::basic_ios<wchar_t>*       >();
29     test<std::basic_ios<unsigned short>*>();
30 
31     test<std::basic_streambuf<char>*          >();
32     test<std::basic_streambuf<wchar_t>*       >();
33     test<std::basic_streambuf<unsigned short>*>();
34 
35     test<std::basic_istream<char>*          >();
36     test<std::basic_istream<wchar_t>*       >();
37     test<std::basic_istream<unsigned short>*>();
38 
39     test<std::basic_ostream<char>*          >();
40     test<std::basic_ostream<wchar_t>*       >();
41     test<std::basic_ostream<unsigned short>*>();
42 
43     test<std::basic_iostream<char>*          >();
44     test<std::basic_iostream<wchar_t>*       >();
45     test<std::basic_iostream<unsigned short>*>();
46 
47     test<std::basic_stringbuf<char>*          >();
48     test<std::basic_stringbuf<wchar_t>*       >();
49     test<std::basic_stringbuf<unsigned short>*>();
50 
51     test<std::basic_istringstream<char>*          >();
52     test<std::basic_istringstream<wchar_t>*       >();
53     test<std::basic_istringstream<unsigned short>*>();
54 
55     test<std::basic_ostringstream<char>*          >();
56     test<std::basic_ostringstream<wchar_t>*       >();
57     test<std::basic_ostringstream<unsigned short>*>();
58 
59     test<std::basic_stringstream<char>*          >();
60     test<std::basic_stringstream<wchar_t>*       >();
61     test<std::basic_stringstream<unsigned short>*>();
62 
63     test<std::basic_filebuf<char>*          >();
64     test<std::basic_filebuf<wchar_t>*       >();
65     test<std::basic_filebuf<unsigned short>*>();
66 
67     test<std::basic_ifstream<char>*          >();
68     test<std::basic_ifstream<wchar_t>*       >();
69     test<std::basic_ifstream<unsigned short>*>();
70 
71     test<std::basic_ofstream<char>*          >();
72     test<std::basic_ofstream<wchar_t>*       >();
73     test<std::basic_ofstream<unsigned short>*>();
74 
75     test<std::basic_fstream<char>*          >();
76     test<std::basic_fstream<wchar_t>*       >();
77     test<std::basic_fstream<unsigned short>*>();
78 
79     test<std::istreambuf_iterator<char>*          >();
80     test<std::istreambuf_iterator<wchar_t>*       >();
81     test<std::istreambuf_iterator<unsigned short>*>();
82 
83     test<std::ostreambuf_iterator<char>*          >();
84     test<std::ostreambuf_iterator<wchar_t>*       >();
85     test<std::ostreambuf_iterator<unsigned short>*>();
86 
87     test<std::ios* >();
88     test<std::wios*>();
89 
90     test<std::streambuf*>();
91     test<std::istream*  >();
92     test<std::ostream*  >();
93     test<std::iostream* >();
94 
95     test<std::stringbuf*    >();
96     test<std::istringstream*>();
97     test<std::ostringstream*>();
98     test<std::stringstream* >();
99 
100     test<std::filebuf* >();
101     test<std::ifstream*>();
102     test<std::ofstream*>();
103     test<std::fstream* >();
104 
105     test<std::wstreambuf*>();
106     test<std::wistream*  >();
107     test<std::wostream*  >();
108     test<std::wiostream* >();
109 
110     test<std::wstringbuf*    >();
111     test<std::wistringstream*>();
112     test<std::wostringstream*>();
113     test<std::wstringstream* >();
114 
115     test<std::wfilebuf* >();
116     test<std::wifstream*>();
117     test<std::wofstream*>();
118     test<std::wfstream* >();
119 
120     test<std::fpos<std::mbstate_t>*>();
121     test<std::streampos*           >();
122     test<std::wstreampos*          >();
123 }
124