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//===----------------------------------------------------------------------===//
//
// The 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 clear(iostate state = goodbit);
#include <ios>
#include <streambuf>
#include <cassert>
struct testbuf : public std::streambuf {};
int main()
{
{
std::ios ios(0);
ios.clear();
assert(ios.rdstate() == std::ios::badbit);
try
{
ios.exceptions(std::ios::badbit);
}
catch (...)
{
}
try
{
ios.clear();
assert(false);
}
catch (std::ios::failure&)
{
assert(ios.rdstate() == std::ios::badbit);
}
try
{
ios.clear(std::ios::eofbit);
assert(false);
}
catch (std::ios::failure&)
{
assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit));
}
}
{
testbuf sb;
std::ios ios(&sb);
ios.clear();
assert(ios.rdstate() == std::ios::goodbit);
ios.exceptions(std::ios::badbit);
ios.clear();
assert(ios.rdstate() == std::ios::goodbit);
ios.clear(std::ios::eofbit);
assert(ios.rdstate() == std::ios::eofbit);
}
}
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