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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TESTING_FAKE_FILE_ACCESS_H_
#define TESTING_FAKE_FILE_ACCESS_H_
#include <memory>
#include "core/fxcrt/unowned_ptr.h"
#include "public/fpdf_dataavail.h"
#include "public/fpdfview.h"
#include "testing/range_set.h"
class FakeFileAccess {
public:
explicit FakeFileAccess(FPDF_FILEACCESS* file_access);
~FakeFileAccess();
FPDF_FILEACCESS* GetFileAccess() const { return file_access_wrapper_.get(); }
FX_FILEAVAIL* GetFileAvail() const { return file_avail_.get(); }
FX_DOWNLOADHINTS* GetDownloadHints() const { return download_hints_.get(); }
FPDF_BOOL IsDataAvail(size_t offset, size_t size) const;
void AddSegment(size_t offset, size_t size);
unsigned long GetFileSize();
int GetBlock(unsigned long position, unsigned char* pBuf, unsigned long size);
void SetRequestedDataAvailable();
void SetWholeFileAvailable();
private:
fxcrt::UnownedPtr<FPDF_FILEACCESS> file_access_;
std::unique_ptr<FPDF_FILEACCESS> file_access_wrapper_;
std::unique_ptr<FX_FILEAVAIL> file_avail_;
std::unique_ptr<FX_DOWNLOADHINTS> download_hints_;
RangeSet available_data_;
RangeSet requested_data_;
};
#endif // TESTING_FAKE_FILE_ACCESS_H_
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