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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright (c) Signal Estimator authors
// Licensed under MIT
#include "processing/SchmittTrigger.hpp"
#include <gtest/gtest.h>
using namespace signal_estimator;
namespace {
TEST(SchmittTriggerTest, InitialState) {
SchmittTrigger<double> schmittTrigger(0.5);
EXPECT_FALSE(schmittTrigger.get());
}
TEST(SchmittTriggerTest, TriggerOnRisingEdge) {
SchmittTrigger<double> schmittTrigger(0.5);
EXPECT_FALSE(schmittTrigger(0.2));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.6));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.7));
EXPECT_FALSE(schmittTrigger.get());
}
TEST(SchmittTriggerTest, NoTriggerOnStayingAboveUpperThreshold) {
SchmittTrigger<double> schmittTrigger(0.5);
EXPECT_FALSE(schmittTrigger(0.2));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.6));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.7));
EXPECT_FALSE(schmittTrigger.get());
}
TEST(SchmittTriggerTest, TriggerOnFallingEdge) {
SchmittTrigger<double> schmittTrigger(0.5);
EXPECT_FALSE(schmittTrigger(0.7));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.4));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.3));
EXPECT_FALSE(schmittTrigger.get());
}
TEST(SchmittTriggerTest, NoTriggerOnStayingBelowLowerThreshold) {
SchmittTrigger<double> schmittTrigger(0.5);
EXPECT_FALSE(schmittTrigger(0.7));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.4));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.3));
EXPECT_FALSE(schmittTrigger.get());
}
TEST(SchmittTriggerTest, NoTriggerOnTransitionWithinHysteresis) {
SchmittTrigger<double> schmittTrigger(0.5);
EXPECT_FALSE(schmittTrigger(0.2));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.4));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.7));
EXPECT_FALSE(schmittTrigger.get());
EXPECT_FALSE(schmittTrigger(0.6));
EXPECT_FALSE(schmittTrigger.get());
}
} // namespace
|
