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33 lines
755 B
C++
33 lines
755 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <ios>
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// class ios_base
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// ios_base& internal(ios_base& str);
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#include <ios>
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#include <streambuf>
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#include <cassert>
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#include "test_macros.h"
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struct testbuf : public std::streambuf {};
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int main(int, char**)
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{
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testbuf sb;
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std::ios ios(&sb);
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std::ios_base& r = std::internal(ios);
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assert(&r == &ios);
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assert(ios.flags() & std::ios::internal);
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return 0;
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}
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