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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 // <streambuf>
11 
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_streambuf;
14 
15 // basic_streambuf();
16 
17 #include <streambuf>
18 #include <cassert>
19 
20 #include "platform_support.h" // locale name macros
21 
22 template <class CharT>
23 struct test
24     : public std::basic_streambuf<CharT>
25 {
testtest26     test()
27     {
28         assert(this->eback() == 0);
29         assert(this->gptr() == 0);
30         assert(this->egptr() == 0);
31         assert(this->pbase() == 0);
32         assert(this->pptr() == 0);
33         assert(this->epptr() == 0);
34     }
35 };
36 
main()37 int main()
38 {
39     {
40         test<char> t;
41         assert(t.getloc().name() == "C");
42     }
43     {
44         test<wchar_t> t;
45         assert(t.getloc().name() == "C");
46     }
47     std::locale::global(std::locale(LOCALE_en_US_UTF_8));
48     {
49         test<char> t;
50         assert(t.getloc().name() == LOCALE_en_US_UTF_8);
51     }
52     {
53         test<wchar_t> t;
54         assert(t.getloc().name() == LOCALE_en_US_UTF_8);
55     }
56 }
57