toodee 0.6.0

A lightweight 2D wrapper around a Vec.
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

#[cfg(test)]
mod toodee_tests_serde {
    use crate::*;
    

    fn new_5_by_10() -> TooDee<u32>
    {
        TooDee::from_vec(5, 10, (0u32..50).collect())
    }

    #[test]
    fn serialize() {
        let tmp = new_5_by_10();
        let serialized = serde_json::to_string(&tmp).unwrap();
        assert!(serialized.contains("data"));
    }

    const JSON_OK: &str = r#"
{
  "num_rows": 2,
  "num_cols": 3,
  "data": [1, 2, 3, 4, 5, 6]
}
"#;


    #[test]
    fn serde() {
        let tmp = new_5_by_10();
        let serialized = serde_json::to_string(&tmp).unwrap();
        let deser: TooDee<u32> = serde_json::from_str(&serialized).unwrap();
        assert_eq!(deser.num_cols(), 5);
        assert_eq!(deser.num_rows(), 10);
        assert_eq!(deser.data().len(), 50);
    }

    #[test]
    fn deserialize() {
        let deser: TooDee<u32> = serde_json::from_str(JSON_OK).unwrap();
        assert_eq!(deser.num_cols(), 3);
        assert_eq!(deser.num_rows(), 2);
        assert_eq!(deser.data().len(), 6);
    }


    const JSON_BAD_ARRAY: &str = r#"
{
  "num_rows": 2,
  "num_cols": 3,
  "data": [1, 2, 3, 4]
}
"#;

    #[test]
    #[should_panic(expected = "invalid length 6, expected dimensions to match array length")]
    fn deserialize_bad_array() {
        let _: TooDee<u32> = serde_json::from_str(JSON_BAD_ARRAY).unwrap();
    }


    const JSON_OVERFLOW_ARRAY: &str = r#"
{
  "num_rows": 100000000000000,
  "num_cols": 100000000000000,
  "data": []
}
"#;

    #[test]
    #[should_panic(expected = "invalid value: product, expected dimensions too big")]
    fn deserialize_overflow_dimensions() {
        let _: TooDee<u32> = serde_json::from_str(JSON_OVERFLOW_ARRAY).unwrap();
    }

    const JSON_NEGATIVE_DIMENSIONS: &str = r#"
{
  "num_rows": -1,
  "num_cols": -2,
  "data": []
}
"#;

    #[test]
    #[should_panic(expected = "invalid value: integer `-1`, expected usize")]
    fn deserialize_negative_dimensions() {
        let _: TooDee<u32> = serde_json::from_str(JSON_NEGATIVE_DIMENSIONS).unwrap();
    }

    const JSON_EMPTY_ARRAY: &str = r#"
{
  "num_rows": 0,
  "num_cols": 0,
  "data": []
}
"#;
    #[test]
    fn deserialize_empty() {
        let deser: TooDee<u32> = serde_json::from_str(JSON_EMPTY_ARRAY).unwrap();
        assert_eq!(deser.num_cols(), 0);
        assert_eq!(deser.num_rows(), 0);
        assert_eq!(deser.data().len(), 0);
    }


    #[test]
    fn serde_view() {
        let tmp = new_5_by_10();
        let view: TooDeeView<'_, u32> = tmp.view((1, 1), (3, 5));
        let serialized = serde_json::to_string(&view).unwrap();
        let deser: TooDee<u32> = serde_json::from_str(&serialized).unwrap();
        assert_eq!(deser.num_cols(), 2);
        assert_eq!(deser.num_rows(), 4);
        assert_eq!(deser.data().len(), 8);
        assert_eq!(deser.data(), &[6, 7, 11, 12, 16, 17, 21, 22]);
    }

    #[test]
    fn serde_view_mut() {
        let mut tmp = new_5_by_10();
        let view: TooDeeViewMut<'_, u32> = tmp.view_mut((1, 1), (3, 5));
        let serialized = serde_json::to_string(&view).unwrap();
        let deser: TooDee<u32> = serde_json::from_str(&serialized).unwrap();
        assert_eq!(deser.num_cols(), 2);
        assert_eq!(deser.num_rows(), 4);
        assert_eq!(deser.data().len(), 8);
        assert_eq!(deser.data(), &[6, 7, 11, 12, 16, 17, 21, 22]);
    }
}