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/*
* Copyright 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_FAKEMETRICSOBSERVER_H_
#define API_FAKEMETRICSOBSERVER_H_
#include <map>
#include <string>
#include <vector>
#include "api/peerconnectioninterface.h"
#include "rtc_base/thread_checker.h"
namespace webrtc {
class FakeMetricsObserver : public MetricsObserverInterface {
public:
FakeMetricsObserver();
void Reset();
void IncrementEnumCounter(PeerConnectionEnumCounterType,
int counter,
int counter_max) override;
void AddHistogramSample(PeerConnectionMetricsName type,
int value) override;
// Accessors to be used by the tests.
int GetEnumCounter(PeerConnectionEnumCounterType type, int counter) const;
int GetHistogramSample(PeerConnectionMetricsName type) const;
// Returns true if and only if there is a count of 1 for the given counter and
// a count of 0 for all other counters of the given enum type.
bool ExpectOnlySingleEnumCount(PeerConnectionEnumCounterType type,
int counter) const;
protected:
~FakeMetricsObserver() {}
private:
rtc::ThreadChecker thread_checker_;
// The vector contains maps for each counter type. In the map, it's a mapping
// from individual counter to its count, such that it's memory efficient when
// comes to sparse enum types, like the SSL ciphers in the IANA registry.
std::vector<std::map<int, int>> counters_;
int histogram_samples_[kPeerConnectionMetricsName_Max];
};
} // namespace webrtc
#endif // API_FAKEMETRICSOBSERVER_H_
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