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 main()21int 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