RTCInboundRTPStreamStats.qpSum collected.

webrtc/api/stats/rtcstats.h

 /*
  *  Copyright 2016 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.
  */
 
@@ skipping 42 matching lines @@
       : id_(id), timestamp_us_(timestamp_us) {}
   RTCStats(std::string&& id, int64_t timestamp_us)
       : id_(std::move(id)), timestamp_us_(timestamp_us) {}
   virtual ~RTCStats() {}
 
   virtual std::unique_ptr<RTCStats> copy() const = 0;
 
   const std::string& id() const { return id_; }
   // Time relative to the UNIX epoch (Jan 1, 1970, UTC), in microseconds.
   int64_t timestamp_us() const { return timestamp_us_; }
+  void set_timestamp_us_for_testing(int64_t timestamp_us) {

[sakal, 2017/02/03 15:13:02]

I would rather just do a test for the qp_sum undefined case that ignores all
other values.

Alternatively, how about just constructing a completely new object? I don't
think it would add too much code duplication.

[hbos, 2017/02/03 16:07:31]

Oops, I actually don't need this, comparison operator ignores timestamp.

+    timestamp_us_ = timestamp_us;
+  }
   // Returns the static member variable |kType| of the implementing class.
   virtual const char* type() const = 0;
   // Returns a vector of pointers to all the |RTCStatsMemberInterface| members
   // of this class. This allows for iteration of members. For a given class,
   // |Members| always returns the same members in the same order.
   std::vector<const RTCStatsMemberInterface*> Members() const;
   // Checks if the two stats objects are of the same type and have the same
   // member values. Timestamps are not compared. These operators are exposed for
   // testing.
   bool operator==(const RTCStats& other) const;
@@ skipping 243 matching lines @@
     return &value_;
   }
 
  private:
   T value_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_STATS_RTCSTATS_H_