setbase.pass.cpp (2575B)
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 // <iomanip> 11 12 // T3 setbase(int base); 13 14 #include <iomanip> 15 #include <istream> 16 #include <ostream> 17 #include <cassert> 18 19 template <class CharT> 20 struct testbuf 21 : public std::basic_streambuf<CharT> 22 { 23 testbuf() {} 24 }; 25 26 int main() 27 { 28 { 29 testbuf<char> sb; 30 std::istream is(&sb); 31 is >> std::setbase(8); 32 assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct); 33 is >> std::setbase(10); 34 assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec); 35 is >> std::setbase(16); 36 assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex); 37 is >> std::setbase(15); 38 assert((is.flags() & std::ios_base::basefield) == 0); 39 } 40 { 41 testbuf<char> sb; 42 std::ostream os(&sb); 43 os << std::setbase(8); 44 assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct); 45 os << std::setbase(10); 46 assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec); 47 os << std::setbase(16); 48 assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex); 49 os << std::setbase(15); 50 assert((os.flags() & std::ios_base::basefield) == 0); 51 } 52 { 53 testbuf<wchar_t> sb; 54 std::wistream is(&sb); 55 is >> std::setbase(8); 56 assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct); 57 is >> std::setbase(10); 58 assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec); 59 is >> std::setbase(16); 60 assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex); 61 is >> std::setbase(15); 62 assert((is.flags() & std::ios_base::basefield) == 0); 63 } 64 { 65 testbuf<wchar_t> sb; 66 std::wostream os(&sb); 67 os << std::setbase(8); 68 assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct); 69 os << std::setbase(10); 70 assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec); 71 os << std::setbase(16); 72 assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex); 73 os << std::setbase(15); 74 assert((os.flags() & std::ios_base::basefield) == 0); 75 } 76 }