1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <ios> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class charT, class traits> class basic_ios 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void setstate(iostate state); 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <ios> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <streambuf> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct testbuf : public std::streambuf {}; 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::ios ios(0); 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.setstate(std::ios::goodbit); 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios.rdstate() == std::ios::badbit); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant try 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.exceptions(std::ios::badbit); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant catch (...) 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant try 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.setstate(std::ios::goodbit); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(false); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant catch (std::ios::failure&) 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios.rdstate() == std::ios::badbit); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant try 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.setstate(std::ios::eofbit); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(false); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant catch (std::ios::failure&) 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit)); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf sb; 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::ios ios(&sb); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.setstate(std::ios::goodbit); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios.rdstate() == std::ios::goodbit); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.setstate(std::ios::eofbit); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios.rdstate() == std::ios::eofbit); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios.setstate(std::ios::failbit); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios.rdstate() == (std::ios::eofbit | std::ios::failbit)); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 65