b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
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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// void setstate(iostate state);
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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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ios.setstate(std::ios::goodbit);
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assert(ios.rdstate() == std::ios::badbit);
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try
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{
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ios.exceptions(std::ios::badbit);
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}
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catch (...)
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{
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}
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try
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{
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ios.setstate(std::ios::goodbit);
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assert(false);
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}
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catch (std::ios::failure&)
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{
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assert(ios.rdstate() == std::ios::badbit);
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}
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try
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{
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ios.setstate(std::ios::eofbit);
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assert(false);
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}
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catch (std::ios::failure&)
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{
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assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit));
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}
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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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ios.setstate(std::ios::goodbit);
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assert(ios.rdstate() == std::ios::goodbit);
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ios.setstate(std::ios::eofbit);
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assert(ios.rdstate() == std::ios::eofbit);
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ios.setstate(std::ios::failbit);
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assert(ios.rdstate() == (std::ios::eofbit | std::ios::failbit));
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}
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}
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