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 // locale pubimbue(const locale& loc);
16 // locale getloc() const;
17 
18 #include <streambuf>
19 #include <cassert>
20 
21 #include "platform_support.h" // locale name macros
22 
23 template <class CharT>
24 struct test
25     : public std::basic_streambuf<CharT>
26 {
27     test() {}
28 
29     void imbue(const std::locale&)
30     {
31         assert(this->getloc().name() == LOCALE_en_US_UTF_8);
32     }
33 };
34 
35 int main()
36 {
37     {
38         test<char> t;
39         assert(t.getloc().name() == "C");
40     }
41     std::locale::global(std::locale(LOCALE_en_US_UTF_8));
42     {
43         test<char> t;
44         assert(t.getloc().name() == LOCALE_en_US_UTF_8);
45         assert(t.pubimbue(std::locale(LOCALE_fr_FR_UTF_8)).name() == "en_US.UTF-8");
46         assert(t.getloc().name() == LOCALE_fr_FR_UTF_8);
47     }
48 }
49