test/std/input.output/iostreams.base/ios/iostate.flags/rdstate.pass.cpp

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// <ios>

// template <class charT, class traits> class basic_ios

// iostate rdstate() const;

#include <ios>
#include <cassert>

int main(int, char**)
{
    std::ios ios(0);
    assert(ios.rdstate() == std::ios::badbit);
    ios.setstate(std::ios::failbit);
    assert(ios.rdstate() == (std::ios::failbit | std::ios::badbit));

  return 0;
}