blob: 9429127a2bec09ce306b35f2ab599d13971195a2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Copyright (c) 2017 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.
*/
#include "modules/audio_processing/echo_detector/moving_max.h"
#include "test/gtest.h"
namespace webrtc {
// Test if the maximum is correctly found.
TEST(MovingMaxTests, SimpleTest) {
MovingMax test_moving_max(5);
test_moving_max.Update(1.0f);
test_moving_max.Update(1.1f);
test_moving_max.Update(1.9f);
test_moving_max.Update(1.87f);
test_moving_max.Update(1.89f);
EXPECT_EQ(1.9f, test_moving_max.max());
}
// Test if values fall out of the window when expected.
TEST(MovingMaxTests, SlidingWindowTest) {
MovingMax test_moving_max(5);
test_moving_max.Update(1.0f);
test_moving_max.Update(1.9f);
test_moving_max.Update(1.7f);
test_moving_max.Update(1.87f);
test_moving_max.Update(1.89f);
test_moving_max.Update(1.3f);
test_moving_max.Update(1.2f);
EXPECT_LT(test_moving_max.max(), 1.9f);
}
// Test if Clear() works as expected.
TEST(MovingMaxTests, ClearTest) {
MovingMax test_moving_max(5);
test_moving_max.Update(1.0f);
test_moving_max.Update(1.1f);
test_moving_max.Update(1.9f);
test_moving_max.Update(1.87f);
test_moving_max.Update(1.89f);
EXPECT_EQ(1.9f, test_moving_max.max());
test_moving_max.Clear();
EXPECT_EQ(0.f, test_moving_max.max());
}
// Test the decay of the estimated maximum.
TEST(MovingMaxTests, DecayTest) {
MovingMax test_moving_max(1);
test_moving_max.Update(1.0f);
float previous_value = 1.0f;
for (int i = 0; i < 500; i++) {
test_moving_max.Update(0.0f);
EXPECT_LT(test_moving_max.max(), previous_value);
EXPECT_GT(test_moving_max.max(), 0.0f);
previous_value = test_moving_max.max();
}
EXPECT_LT(test_moving_max.max(), 0.01f);
}
} // namespace webrtc
|
