blob: 3efe910b32b0e1334947002960264666d7220ecc [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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 clear(iostate state = goodbit);
#include <ios>
#include <streambuf>
#include <cassert>
#include "test_macros.h"
struct testbuf : public std::streambuf {};
int main()
{
{
std::ios ios(0);
ios.clear();
assert(ios.rdstate() == std::ios::badbit);
#ifndef TEST_HAS_NO_EXCEPTIONS
try
{
ios.exceptions(std::ios::badbit);
assert(false);
}
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));
}
#endif
}
{
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);
}
}