cxx/test/input.output/iostreams.base/ios/basic.ios.members/set_rdbuf.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

58 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <ios>
// template <class charT, class traits> class basic_ios
// void set_rdbuf(basic_streambuf<charT, traits>* sb);
#include <ios>
#include <streambuf>
#include <cassert>
struct testbuf
: public std::streambuf
{
};
struct testios
: public std::ios
{
testios(std::streambuf* p) : std::ios(p) {}
void set_rdbuf(std::streambuf* x) {std::ios::set_rdbuf(x);}
};
int main()
{
testbuf sb1;
testbuf sb2;
testios ios(&sb1);
try
{
ios.setstate(std::ios::badbit);
ios.exceptions(std::ios::badbit);
}
catch (...)
{
}
ios.set_rdbuf(&sb2);
assert(ios.rdbuf() == &sb2);
try
{
ios.setstate(std::ios::badbit);
ios.exceptions(std::ios::badbit);
}
catch (...)
{
}
ios.set_rdbuf(0);
assert(ios.rdbuf() == 0);
}