1 /*
2  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "modules/audio_processing/aec3/echo_path_variability.h"
12 #include "test/gtest.h"
13 
14 namespace webrtc {
15 
TEST(EchoPathVariability,CorrectBehavior)16 TEST(EchoPathVariability, CorrectBehavior) {
17   // Test correct passing and reporting of the gain change information.
18   EchoPathVariability v(true, true);
19   EXPECT_TRUE(v.gain_change);
20   EXPECT_TRUE(v.delay_change);
21   EXPECT_TRUE(v.AudioPathChanged());
22 
23   v = EchoPathVariability(true, false);
24   EXPECT_TRUE(v.gain_change);
25   EXPECT_FALSE(v.delay_change);
26   EXPECT_TRUE(v.AudioPathChanged());
27 
28   v = EchoPathVariability(false, true);
29   EXPECT_FALSE(v.gain_change);
30   EXPECT_TRUE(v.delay_change);
31   EXPECT_TRUE(v.AudioPathChanged());
32 
33   v = EchoPathVariability(false, false);
34   EXPECT_FALSE(v.gain_change);
35   EXPECT_FALSE(v.delay_change);
36   EXPECT_FALSE(v.AudioPathChanged());
37 }
38 
39 }  // namespace webrtc
40