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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 // UNSUPPORTED: c++98, c++03
     11 
     12 // <fstream>
     13 
     14 // template <class charT, class traits = char_traits<charT> >
     15 // class basic_filebuf
     16 
     17 // basic_filebuf& operator=(basic_filebuf&& rhs);
     18 
     19 #include <fstream>
     20 #include <cassert>
     21 #include "platform_support.h"
     22 
     23 int main()
     24 {
     25     std::string temp = get_temp_file_name();
     26     {
     27         std::filebuf f;
     28         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
     29                                                | std::ios_base::trunc) != 0);
     30         assert(f.is_open());
     31         assert(f.sputn("123", 3) == 3);
     32         f.pubseekoff(1, std::ios_base::beg);
     33         assert(f.sgetc() == '2');
     34         std::filebuf f2;
     35         f2 = move(f);
     36         assert(!f.is_open());
     37         assert(f2.is_open());
     38         assert(f2.sgetc() == '2');
     39     }
     40     std::remove(temp.c_str());
     41     {
     42         std::wfilebuf f;
     43         assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
     44                                                | std::ios_base::trunc) != 0);
     45         assert(f.is_open());
     46         assert(f.sputn(L"123", 3) == 3);
     47         f.pubseekoff(1, std::ios_base::beg);
     48         assert(f.sgetc() == L'2');
     49         std::wfilebuf f2;
     50         f2 = move(f);
     51         assert(!f.is_open());
     52         assert(f2.is_open());
     53         assert(f2.sgetc() == L'2');
     54     }
     55     std::remove(temp.c_str());
     56 }
     57