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 // <ios> 11 12 // template <class charT, class traits> class basic_ios 13 14 // iostate exceptions() const; 15 16 #include <ios> 17 #include <streambuf> 18 #include <cassert> 19 20 struct testbuf : public std::streambuf {}; 21 22 int main() 23 { 24 { 25 std::ios ios(0); 26 assert(ios.exceptions() == std::ios::goodbit); 27 ios.exceptions(std::ios::eofbit); 28 assert(ios.exceptions() == std::ios::eofbit); 29 try 30 { 31 ios.exceptions(std::ios::badbit); 32 assert(false); 33 } 34 catch (std::ios::failure&) 35 { 36 } 37 assert(ios.exceptions() == std::ios::badbit); 38 } 39 { 40 testbuf sb; 41 std::ios ios(&sb); 42 assert(ios.exceptions() == std::ios::goodbit); 43 ios.exceptions(std::ios::eofbit); 44 assert(ios.exceptions() == std::ios::eofbit); 45 ios.exceptions(std::ios::badbit); 46 assert(ios.exceptions() == std::ios::badbit); 47 } 48 } 49
