catch2/fuzzing/NullOStream.h

29 lines
693 B
C++

// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#pragma once
#include <ostream>
#include <streambuf>
// from https://stackoverflow.com/a/8244052
class NullStreambuf : public std::streambuf {
char dummyBuffer[64];
protected:
virtual int overflow(int c) override final;
};
class NullOStream final : private NullStreambuf, public std::ostream {
public:
NullOStream() : std::ostream(this) {}
NullStreambuf *rdbuf() { return this; }
virtual void avoidOutOfLineVirtualCompilerWarning();
};