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& operator=(basic_filebuf&& rhs); 16 17 #include <fstream> 18 #include <cassert> 19 main()20int main() 21 { 22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 23 char temp[L_tmpnam]; 24 tmpnam(temp); 25 { 26 std::filebuf f; 27 assert(f.open(temp, 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; 34 f2 = move(f); 35 assert(!f.is_open()); 36 assert(f2.is_open()); 37 assert(f2.sgetc() == '2'); 38 } 39 remove(temp); 40 { 41 std::wfilebuf f; 42 assert(f.open(temp, std::ios_base::out | std::ios_base::in 43 | std::ios_base::trunc) != 0); 44 assert(f.is_open()); 45 assert(f.sputn(L"123", 3) == 3); 46 f.pubseekoff(1, std::ios_base::beg); 47 assert(f.sgetc() == L'2'); 48 std::wfilebuf f2; 49 f2 = move(f); 50 assert(!f.is_open()); 51 assert(f2.is_open()); 52 assert(f2.sgetc() == L'2'); 53 } 54 remove(temp); 55 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 56 } 57