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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 // <fstream>
     11 
     12 // template <class charT, class traits = char_traits<charT> >
     13 // class basic_filebuf
     14 
     15 // basic_filebuf(basic_filebuf&& rhs);
     16 
     17 #include <fstream>
     18 #include <cassert>
     19 #include "platform_support.h"
     20 
     21 int main()
     22 {
     23 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     24     std::string temp = get_temp_file_name();
     25     {
     26         std::filebuf f;
     27         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
     28                                                | std::ios_base::trunc) != 0);
     29         assert(f.is_open());
     30         assert(f.sputn("123", 3) == 3);
     31         f.pubseekoff(1, std::ios_base::beg);
     32         assert(f.sgetc() == '2');
     33         std::filebuf f2(move(f));
     34         assert(!f.is_open());
     35         assert(f2.is_open());
     36         assert(f2.sgetc() == '2');
     37     }
     38     std::remove(temp.c_str());
     39     {
     40         std::wfilebuf f;
     41         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
     42                                                | std::ios_base::trunc) != 0);
     43         assert(f.is_open());
     44         assert(f.sputn(L"123", 3) == 3);
     45         f.pubseekoff(1, std::ios_base::beg);
     46         assert(f.sgetc() == L'2');
     47         std::wfilebuf f2(move(f));
     48         assert(!f.is_open());
     49         assert(f2.is_open());
     50         assert(f2.sgetc() == L'2');
     51     }
     52     std::remove(temp.c_str());
     53 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     54 }
     55