forked from OSchip/llvm-project
58 lines
1.2 KiB
C++
58 lines
1.2 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 set_rdbuf(basic_streambuf<charT, traits>* sb);
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#include <ios>
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#include <streambuf>
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#include <cassert>
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struct testbuf
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: public std::streambuf
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{
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};
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struct testios
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: public std::ios
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{
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testios(std::streambuf* p) : std::ios(p) {}
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void set_rdbuf(std::streambuf* x) {std::ios::set_rdbuf(x);}
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};
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int main()
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{
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testbuf sb1;
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testbuf sb2;
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testios ios(&sb1);
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try
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{
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ios.setstate(std::ios::badbit);
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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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ios.set_rdbuf(&sb2);
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assert(ios.rdbuf() == &sb2);
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try
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{
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ios.setstate(std::ios::badbit);
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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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ios.set_rdbuf(0);
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assert(ios.rdbuf() == 0);
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}
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