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// Copyright 2019 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TESTING_INVALID_SEEKABLE_READ_STREAM_H_
#define TESTING_INVALID_SEEKABLE_READ_STREAM_H_
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/retain_ptr.h"
// A stream used for testing where reads always fail.
class InvalidSeekableReadStream final : public IFX_SeekableReadStream {
public:
CONSTRUCT_VIA_MAKE_RETAIN;
// IFX_SeekableReadStream overrides:
bool ReadBlockAtOffset(pdfium::span<uint8_t> buffer,
FX_FILESIZE offset) override;
FX_FILESIZE GetSize() override;
private:
explicit InvalidSeekableReadStream(FX_FILESIZE data_size);
~InvalidSeekableReadStream() override;
const FX_FILESIZE data_size_;
};
#endif // TESTING_INVALID_SEEKABLE_READ_STREAM_H_