cxx/test/input.output/iostreams.base/ios/iostate.flags/bool.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

26 lines
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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
// operator unspecified-bool-type() const;
#include <ios>
#include <cassert>
int main()
{
std::ios ios(0);
assert(static_cast<bool>(ios) == !ios.fail());
ios.setstate(std::ios::failbit);
assert(static_cast<bool>(ios) == !ios.fail());
}