commit eb02a76b364ba9fae4ed325ae91eb8edc9507341
author Sebastian Jansson <srte@webrtc.org> Mon Apr 15 14:20:44 2019
committer Commit Bot <commit-bot@chromium.org> Tue Apr 16 09:32:42 2019
tree 4a6d49fe835912340bb67e69e256fad412d419a1
parent 6cf61f53ad580d8fd40984f78985b77ae9db8480

Allow negative delta in EventRateCounter.

Bug: webrtc:10365
Change-Id: I13192d1e179ef5637210cfea3e67010d00117957
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133025
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27637}

test/scenario/performance_stats.cc

diff --git a/test/scenario/performance_stats.cc b/test/scenario/performance_stats.cc
index 3ff66cd..3471cbe 100644
--- a/test/scenario/performance_stats.cc
+++ b/test/scenario/performance_stats.cc
@@ -14,13 +14,10 @@
 namespace webrtc {
 namespace test {
 void EventRateCounter::AddEvent(Timestamp event_time) {
-  if (first_time_.IsInfinite()) {
-    first_time_ = event_time;
-  } else {
-    RTC_DCHECK(event_time >= last_time_);
+  if (first_time_.IsFinite())
     interval_.AddSample(event_time - last_time_);
-  }
-  last_time_ = event_time;
+  first_time_ = std::min(first_time_, event_time);
+  last_time_ = std::max(last_time_, event_time);
   event_count_++;
 }