altrios-core 0.1.7

ALTRIOS Core model for train simulation
Documentation 
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
138
139
140
141

use crate::imports::*;

/// Struct containing elevation for a particular offset w.r.t. `Link`
#[derive(Clone, Copy, Default, Debug, PartialEq, PartialOrd, Serialize, Deserialize, SerdeAPI)]
#[altrios_api]
pub struct Elev {
    pub offset: si::Length,
    pub elev: si::Length,
}

impl Valid for Elev {}

impl ObjState for Elev {
    fn validate(&self) -> ValidationResults {
        let mut errors = ValidationErrors::new();
        si_chk_num_gez(&mut errors, &self.offset, "Offset");
        si_chk_num_fin(&mut errors, &self.elev, "Elevation value");
        errors.make_err()
    }
}

impl Valid for Vec<Elev> {
    fn valid() -> Self {
        let offset_end = uc::M * 10000.0;
        let elev = uc::M * 20.0;
        vec![
            Elev::valid(),
            Elev {
                offset: offset_end * 0.5,
                elev,
            },
            Elev {
                offset: offset_end,
                ..Elev::valid()
            },
        ]
    }
}

impl ObjState for [Elev] {
    fn is_fake(&self) -> bool {
        self.is_empty()
    }

    fn validate(&self) -> ValidationResults {
        early_fake_ok!(self);
        let mut errors = ValidationErrors::new();
        validate_slice_real(&mut errors, self, "Elevation");
        if self.len() < 2 {
            errors.push(anyhow!("There must be at least two elevations!"));
        }
        if !self.windows(2).all(|w| w[0].offset < w[1].offset) {
            errors.push(anyhow!("Offsets must be sorted and unique!"));
        }
        errors.make_err()
    }
}

#[cfg(test)]
mod test_elev {
    use super::*;
    use crate::testing::*;

    impl Cases for Elev {
        fn real_cases() -> Vec<Self> {
            vec![
                Self::valid(),
                Self {
                    offset: uc::M,
                    ..Self::valid()
                },
                Self {
                    offset: uc::M * f64::INFINITY,
                    ..Self::valid()
                },
            ]
        }
        fn invalid_cases() -> Vec<Self> {
            vec![
                Self {
                    offset: uc::M * f64::NEG_INFINITY,
                    ..Self::valid()
                },
                Self {
                    offset: -uc::M,
                    ..Self::valid()
                },
                Self {
                    offset: uc::M * f64::NAN,
                    ..Self::valid()
                },
                Self {
                    elev: uc::M * f64::NEG_INFINITY,
                    ..Self::valid()
                },
                Self {
                    elev: uc::M * f64::INFINITY,
                    ..Self::valid()
                },
                Self {
                    elev: uc::M * f64::NAN,
                    ..Self::valid()
                },
            ]
        }
    }
    check_cases!(Elev);
}

#[cfg(test)]
mod test_elevs {
    use super::*;
    use crate::testing::*;

    impl Cases for Vec<Elev> {
        fn fake_cases() -> Vec<Self> {
            vec![vec![]]
        }
        fn invalid_cases() -> Vec<Self> {
            vec![vec![Elev::valid()]]
        }
    }
    check_cases!(Vec<Elev>);
    check_vec_elems!(Elev);
    check_vec_sorted!(Elev);
    check_vec_duplicates!(Elev);

    #[test]
    fn check_duplicates() {
        for mut case in Vec::<Elev>::real_cases() {
            case.push(*case.last().unwrap());
            case.validate().unwrap_err();
            case.last_mut().unwrap().elev += uc::M;
            case.validate().unwrap_err();
            case.last_mut().unwrap().offset += uc::M;
            case.validate().unwrap();
            case.last_mut().unwrap().elev -= uc::M;
            case.validate().unwrap();
        }
    }
}