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// void set_rdbuf(basic_streambuf<charT, traits>* sb); 15 16#include <ios> 17#include <streambuf> 18#include <cassert> 19 20#include "test_macros.h" 21 22struct testbuf 23 : public std::streambuf 24{ 25}; 26 27struct testios 28 : public std::ios 29{ 30 testios(std::streambuf* p) : std::ios(p) {} 31 void set_rdbuf(std::streambuf* x) {std::ios::set_rdbuf(x);} 32}; 33 34int main() 35{ 36 testbuf sb1; 37 testbuf sb2; 38 testios ios(&sb1); 39#ifndef TEST_HAS_NO_EXCEPTIONS 40 try 41 { 42 ios.setstate(std::ios::badbit); 43 ios.exceptions(std::ios::badbit); 44 assert(false); 45 } 46 catch (...) 47 { 48 } 49#endif 50 ios.set_rdbuf(&sb2); 51 assert(ios.rdbuf() == &sb2); 52#ifndef TEST_HAS_NO_EXCEPTIONS 53 try 54 { 55 ios.setstate(std::ios::badbit); 56 ios.exceptions(std::ios::badbit); 57 } 58 catch (...) 59 { 60 } 61#endif 62 ios.set_rdbuf(0); 63 assert(ios.rdbuf() == 0); 64} 65