From 5574afc0959f9aa7665cf25eb11d01d48403cfea Mon Sep 17 00:00:00 2001
From: Fredrik Hernqvist <fhernqvist@google.com>
Date: Tue, 17 Oct 2023 11:01:00 +0200
Subject: [PATCH] Fix AudioMixer histogram test

If the tests are run in a different order, the test might fail.
We fix this by resetting the histogram data at the start of the test.

Change-Id: I6fb349609842b55f416cf2ec8cd93d0b4328960e
Bug: chromium:1430806
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/323801
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Commit-Queue: Henrik Lundin <henrik.lundin@webrtc.org>
Auto-Submit: Fredrik Hernqvist <fhernqvist@google.com>
Cr-Commit-Position: refs/heads/main@{#40946}
---
 modules/audio_mixer/audio_mixer_impl_unittest.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/audio_mixer/audio_mixer_impl_unittest.cc b/modules/audio_mixer/audio_mixer_impl_unittest.cc
index 641c966570..2044cb9b90 100644
--- a/modules/audio_mixer/audio_mixer_impl_unittest.cc
+++ b/modules/audio_mixer/audio_mixer_impl_unittest.cc
@@ -142,6 +142,7 @@ void MixMonoAtGivenNativeRate(int native_sample_rate,
 }
 
 TEST(AudioMixer, UpdatesSourceCountHistogram) {
+  metrics::Reset();
   constexpr int kAudioSourcesGroup1 = 5;
   constexpr int kAudioSourcesGroup2 = 3;