naiveproxy/src/net/base/test_data_stream.h
2024-07-27 08:55:30 +08:00

46 lines
1.1 KiB
C++

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_TEST_DATA_STREAM_H_
#define NET_BASE_TEST_DATA_STREAM_H_
// This is a class for generating an infinite stream of data which can be
// verified independently to be the correct stream of data.
#include "base/memory/raw_ptr.h"
namespace net {
class TestDataStream {
public:
TestDataStream();
// Fill |buffer| with |length| bytes of data from the stream.
void GetBytes(char* buffer, int length);
// Verify that |buffer| contains the expected next |length| bytes from the
// stream. Returns true if correct, false otherwise.
bool VerifyBytes(const char *buffer, int length);
// Resets all the data.
void Reset();
private:
// If there is no data spilled over from the previous index, advance the
// index and fill the buffer.
void AdvanceIndex();
// Consume data from the spill buffer.
void Consume(int bytes);
int index_;
int bytes_remaining_;
char buffer_[16];
raw_ptr<char, AllowPtrArithmetic> buffer_ptr_;
};
} // namespace net
#endif // NET_BASE_TEST_DATA_STREAM_H_