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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(const basic_streambuf& rhs);
     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 {
     26     typedef std::basic_streambuf<CharT> base;
     27     test() {}
     28 
     29     test(const test& t)
     30         : std::basic_streambuf<CharT>(t)
     31     {
     32         assert(this->eback() == t.eback());
     33         assert(this->gptr()  == t.gptr());
     34         assert(this->egptr() == t.egptr());
     35         assert(this->pbase() == t.pbase());
     36         assert(this->pptr()  == t.pptr());
     37         assert(this->epptr() == t.epptr());
     38         assert(this->getloc() == t.getloc());
     39     }
     40 
     41     void setg(CharT* gbeg, CharT* gnext, CharT* gend)
     42     {
     43         base::setg(gbeg, gnext, gend);
     44     }
     45     void setp(CharT* pbeg, CharT* pend)
     46     {
     47         base::setp(pbeg, pend);
     48     }
     49 };
     50 
     51 int main()
     52 {
     53     {
     54         test<char> t;
     55         test<char> t2 = t;
     56     }
     57     {
     58         test<wchar_t> t;
     59         test<wchar_t> t2 = t;
     60     }
     61     {
     62         char g1, g2, g3, p1, p3;
     63         test<char> t;
     64         t.setg(&g1, &g2, &g3);
     65         t.setp(&p1, &p3);
     66         test<char> t2 = t;
     67     }
     68     {
     69         wchar_t g1, g2, g3, p1, p3;
     70         test<wchar_t> t;
     71         t.setg(&g1, &g2, &g3);
     72         t.setp(&p1, &p3);
     73         test<wchar_t> t2 = t;
     74     }
     75     std::locale::global(std::locale(LOCALE_en_US_UTF_8));
     76     {
     77         test<char> t;
     78         test<char> t2 = t;
     79     }
     80     {
     81         test<wchar_t> t;
     82         test<wchar_t> t2 = t;
     83     }
     84 }
     85