forked from OSchip/llvm-project
42 lines
989 B
C++
42 lines
989 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <ios>
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// template <class charT, class traits> class basic_ios
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// bool fail() const;
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#include <ios>
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#include <streambuf>
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#include <cassert>
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struct testbuf : public std::streambuf {};
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int main()
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{
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{
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std::ios ios(0);
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assert(ios.fail());
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ios.setstate(std::ios::eofbit);
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assert(ios.fail());
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}
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{
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testbuf sb;
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std::ios ios(&sb);
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assert(!ios.fail());
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ios.setstate(std::ios::eofbit);
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assert(!ios.fail());
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ios.setstate(std::ios::badbit);
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assert(ios.fail());
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ios.setstate(std::ios::failbit);
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assert(ios.fail());
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}
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}
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