forked from mixxxdj/mixxx
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathaudiotaperpot_test.cpp
87 lines (79 loc) · 3.62 KB
/
audiotaperpot_test.cpp
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
86
#include <gtest/gtest.h>
#include <QTestEventList>
#include <QScopedPointer>
#include "mixxxtest.h"
#include "controlobject.h"
#include "util/math.h"
class AudioTaperPotTest : public MixxxTest {
public:
AudioTaperPotTest() {
}
protected:
virtual void SetUp() {
}
};
TEST_F(AudioTaperPotTest, ScaleTest) {
{
const double minDB = -6;
const double maxDB = 6;
const double neutralParameter = 0.5;
ControlAudioTaperPotBehavior* catpb = new ControlAudioTaperPotBehavior(minDB, maxDB, neutralParameter);
// Parameter 0 is always 0 (-Infinity)
ASSERT_EQ(0.0, catpb->parameterToValue(0));
// Parameter 0 is always 0 (-Infinity)
ASSERT_EQ(1.0, catpb->parameterToValue(neutralParameter));
// Parameter 1 is always maxDB
ASSERT_EQ(db2ratio(maxDB), catpb->parameterToValue(1));
// value 1 is always on a Integer midi value
double neutralMidi = catpb->valueToMidiParameter(1);
ASSERT_EQ(0.0, fmod(neutralMidi, 1));
// Midi value 64 should result in 0,5
ASSERT_EQ(neutralParameter, catpb->midiValueToParameter(neutralMidi));
// roundtrip check
ASSERT_DOUBLE_EQ(0.25, catpb->parameterToValue(catpb->midiValueToParameter(catpb->valueToMidiParameter(0.25))));
ASSERT_DOUBLE_EQ(0.75, catpb->parameterToValue(catpb->midiValueToParameter(catpb->valueToMidiParameter(0.75))));
delete catpb;
}
{
const double minDB = 0;
const double maxDB = 6;
const double neutralParameter = 0.5;
ControlAudioTaperPotBehavior* catpb = new ControlAudioTaperPotBehavior(minDB, maxDB, neutralParameter);
// Parameter 0 is always 0 (-Infinity)
ASSERT_EQ(0.0, catpb->parameterToValue(0));
// Parameter 0 is always 0 (-Infinity)
ASSERT_EQ(1.0, catpb->parameterToValue(neutralParameter));
// Parameter 1 is always maxDB
ASSERT_EQ(db2ratio(maxDB), catpb->parameterToValue(1));
// value 1 is always on a Integer midi value
double neutralMidi = catpb->valueToMidiParameter(1);
ASSERT_EQ(0.0, fmod(neutralMidi, 1));
// Midi value 64 should result in 0,5
ASSERT_EQ(neutralParameter, catpb->midiValueToParameter(neutralMidi));
// roundtrip check
ASSERT_DOUBLE_EQ(0.25, catpb->parameterToValue(catpb->midiValueToParameter(catpb->valueToMidiParameter(0.25))));
ASSERT_DOUBLE_EQ(0.75, catpb->parameterToValue(catpb->midiValueToParameter(catpb->valueToMidiParameter(0.75))));
delete catpb;
}
{
const double minDB = -6;
const double maxDB = 0;
const double neutralParameter = 1;
ControlAudioTaperPotBehavior* catpb = new ControlAudioTaperPotBehavior(minDB, maxDB, neutralParameter);
// Parameter 0 is always 0 (-Infinity)
ASSERT_EQ(0.0, catpb->parameterToValue(0));
// Parameter 0 is always 0 (-Infinity)
ASSERT_EQ(1.0, catpb->parameterToValue(neutralParameter));
// Parameter 1 is always maxDB
ASSERT_EQ(db2ratio(maxDB), catpb->parameterToValue(1));
// value 1 is always on a Integer midi value
double neutralMidi = catpb->valueToMidiParameter(1);
ASSERT_EQ(0.0, fmod(neutralMidi, 1));
// Midi value 64 should result in 0,5
ASSERT_EQ(neutralParameter, catpb->midiValueToParameter(neutralMidi));
// roundtrip checkx
ASSERT_DOUBLE_EQ(0.25, catpb->parameterToValue(catpb->midiValueToParameter(catpb->valueToMidiParameter(0.25))));
ASSERT_DOUBLE_EQ(0.75, catpb->parameterToValue(catpb->midiValueToParameter(catpb->valueToMidiParameter(0.75))));
delete catpb;
}
}