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 // T5 setprecision(int n); 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::setprecision(10); 32 assert(is.precision() == 10); 33 } 34 { 35 testbuf<char> sb; 36 std::ostream os(&sb); 37 os << std::setprecision(10); 38 assert(os.precision() == 10); 39 } 40 { 41 testbuf<wchar_t> sb; 42 std::wistream is(&sb); 43 is >> std::setprecision(10); 44 assert(is.precision() == 10); 45 } 46 { 47 testbuf<wchar_t> sb; 48 std::wostream os(&sb); 49 os << std::setprecision(10); 50 assert(os.precision() == 10); 51 } 52 } 53
