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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 // pos_type pubseekpos(pos_type sp,
     16 //                     ios_base::openmode which = ios_base::in | ios_base::out;
     17 
     18 #include <streambuf>
     19 #include <cassert>
     20 
     21 template <class CharT>
     22 struct test
     23     : public std::basic_streambuf<CharT>
     24 {
     25     test() {}
     26 };
     27 
     28 int main()
     29 {
     30     {
     31         test<char> t;
     32         assert(t.pubseekpos(0, std::ios_base::app) == -1);
     33     }
     34 }
     35