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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file defines MockFileStream, a test class for FileStream.
#ifndef NET_BASE_MOCK_FILE_STREAM_H_
#define NET_BASE_MOCK_FILE_STREAM_H_
#pragma once
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/file_path.h"
#include "net/base/file_stream.h"
#include "net/base/net_errors.h"
namespace net {
namespace testing {
class MockFileStream : public net::FileStream {
public:
MockFileStream() : forced_error_(net::OK) {}
MockFileStream(base::PlatformFile file, int flags)
: net::FileStream(file, flags), forced_error_(net::OK) {}
// FileStream methods.
virtual int Open(const FilePath& path, int open_flags) OVERRIDE;
virtual int64 Seek(net::Whence whence, int64 offset) OVERRIDE;
virtual int64 Available() OVERRIDE;
virtual int Read(char* buf,
int buf_len,
const CompletionCallback& callback) OVERRIDE;
virtual int ReadUntilComplete(char *buf, int buf_len) OVERRIDE;
virtual int Write(const char* buf,
int buf_len,
const CompletionCallback& callback) OVERRIDE;
virtual int64 Truncate(int64 bytes) OVERRIDE;
virtual int Flush() OVERRIDE;
void set_forced_error(int error) { forced_error_ = error; }
void clear_forced_error() { forced_error_ = net::OK; }
int forced_error() const { return forced_error_; }
const FilePath& get_path() const { return path_; }
private:
int ReturnError(int function_error) {
if (forced_error_ != net::OK) {
int ret = forced_error_;
clear_forced_error();
return ret;
}
return function_error;
}
int64 ReturnError64(int64 function_error) {
if (forced_error_ != net::OK) {
int64 ret = forced_error_;
clear_forced_error();
return ret;
}
return function_error;
}
int forced_error_;
FilePath path_;
};
} // namespace testing
} // namespace net
#endif // NET_BASE_MOCK_FILE_STREAM_H_
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