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60 lines
1.6 KiB
C++
60 lines
1.6 KiB
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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// <iomanip>
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// T1 resetiosflags(ios_base::fmtflags mask);
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#include <iomanip>
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#include <istream>
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#include <ostream>
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#include <cassert>
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#include "test_macros.h"
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template <class CharT>
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struct testbuf
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: public std::basic_streambuf<CharT>
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{
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testbuf() {}
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};
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int main(int, char**)
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{
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{
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testbuf<char> sb;
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std::istream is(&sb);
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assert(is.flags() & std::ios_base::skipws);
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is >> std::resetiosflags(std::ios_base::skipws);
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assert(!(is.flags() & std::ios_base::skipws));
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}
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{
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testbuf<char> sb;
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std::ostream os(&sb);
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assert(os.flags() & std::ios_base::skipws);
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os << std::resetiosflags(std::ios_base::skipws);
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assert(!(os.flags() & std::ios_base::skipws));
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}
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{
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testbuf<wchar_t> sb;
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std::wistream is(&sb);
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assert(is.flags() & std::ios_base::skipws);
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is >> std::resetiosflags(std::ios_base::skipws);
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assert(!(is.flags() & std::ios_base::skipws));
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}
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{
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testbuf<wchar_t> sb;
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std::wostream os(&sb);
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assert(os.flags() & std::ios_base::skipws);
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os << std::resetiosflags(std::ios_base::skipws);
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assert(!(os.flags() & std::ios_base::skipws));
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}
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return 0;
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}
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