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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

use super::{EmitIntensity, Phase};

use derive_more::Display;

#[derive(Clone, Copy, Debug, PartialEq, Eq, Display)]
#[display(fmt = "({}, {})", phase, intensity)]
#[repr(C)]
pub struct Drive {
    phase: Phase,
    intensity: EmitIntensity,
}

impl Drive {
    pub const fn new(phase: Phase, intensity: EmitIntensity) -> Self {
        Self { phase, intensity }
    }

    pub const fn phase(&self) -> Phase {
        self.phase
    }

    pub const fn intensity(&self) -> EmitIntensity {
        self.intensity
    }

    pub const fn null() -> Self {
        Self {
            phase: Phase::new(0),
            intensity: EmitIntensity::MIN,
        }
    }
}

impl From<(Phase, EmitIntensity)> for Drive {
    fn from((phase, intensity): (Phase, EmitIntensity)) -> Self {
        Self { phase, intensity }
    }
}

impl From<(EmitIntensity, Phase)> for Drive {
    fn from((intensity, phase): (EmitIntensity, Phase)) -> Self {
        Self { phase, intensity }
    }
}

impl From<EmitIntensity> for Drive {
    fn from(intensity: EmitIntensity) -> Self {
        Self {
            phase: Phase::new(0),
            intensity,
        }
    }
}

impl From<Phase> for Drive {
    fn from(phase: Phase) -> Self {
        Self {
            phase,
            intensity: EmitIntensity::MAX,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[rstest::rstest]
    #[test]
    #[case(
        Drive::new(Phase::new(0x01), EmitIntensity::new(0x02)),
        (Phase::new(0x01), EmitIntensity::new(0x02))
    )]
    #[case(
        Drive::new(Phase::new(0x01), EmitIntensity::new(0x02)),
        (EmitIntensity::new(0x02), Phase::new(0x01))
    )]
    #[case(
        Drive::new(Phase::new(0x00), EmitIntensity::new(0x01)),
        EmitIntensity::new(0x01)
    )]
    #[case(Drive::new(Phase::new(0x01), EmitIntensity::MAX), Phase::new(0x01))]
    #[cfg_attr(miri, ignore)]
    fn from(#[case] expected: Drive, #[case] target: impl Into<Drive>) {
        assert_eq!(expected, target.into());
    }

    #[rstest::rstest]
    #[test]
    #[case(
        EmitIntensity::new(0x00),
        Drive::new(Phase::new(0), EmitIntensity::new(0x00))
    )]
    #[case(
        EmitIntensity::new(0x01),
        Drive::new(Phase::new(0), EmitIntensity::new(0x01))
    )]
    #[case(
        EmitIntensity::new(0xFF),
        Drive::new(Phase::new(0), EmitIntensity::new(0xFF))
    )]
    #[cfg_attr(miri, ignore)]
    fn test_intensity(#[case] expected: EmitIntensity, #[case] target: Drive) {
        assert_eq!(expected, target.intensity());
    }

    #[rstest::rstest]
    #[test]
    #[case(Phase::new(0), Drive::new(Phase::new(0), EmitIntensity::new(0x00)))]
    #[case(Phase::new(1), Drive::new(Phase::new(1), EmitIntensity::new(0x00)))]
    #[case(
        Phase::new(0xFF),
        Drive::new(Phase::new(0xFF), EmitIntensity::new(0x00))
    )]
    #[cfg_attr(miri, ignore)]
    fn test_phase(#[case] expected: Phase, #[case] target: Drive) {
        assert_eq!(expected, target.phase());
    }

    #[test]
    #[cfg_attr(miri, ignore)]
    fn test_null() {
        assert_eq!(
            Drive::new(Phase::new(0), EmitIntensity::new(0x00)),
            Drive::null()
        );
    }

    #[test]
    #[cfg_attr(miri, ignore)]
    fn display() {
        assert_eq!(
            format!("{}", Drive::new(Phase::new(0), EmitIntensity::new(0x00))),
            "(0x00, 0x00)"
        );
    }
}