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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. 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>
#include "test_macros.h"
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);
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
ios.setstate(std::ios::badbit);
ios.exceptions(std::ios::badbit);
assert(false);
}
catch (...)
{
}
#endif
ios.set_rdbuf(&sb2);
assert(ios.rdbuf() == &sb2);
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
ios.setstate(std::ios::badbit);
ios.exceptions(std::ios::badbit);
}
catch (...)
{
}
#endif
ios.set_rdbuf(0);
assert(ios.rdbuf() == 0);
}
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