aboutsummaryrefslogtreecommitdiff
path: root/test-suite/tests/spanned.rs
blob: 11866455e99d75a4e0105403edc96a91b2b13572 (plain)
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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
extern crate serde;
extern crate toml;
#[macro_use]
extern crate serde_derive;

use std::collections::HashMap;
use std::fmt::Debug;
use toml::value::Datetime;
use toml::Spanned;

/// A set of good datetimes.
pub fn good_datetimes() -> Vec<&'static str> {
    let mut v = Vec::new();
    v.push("1997-09-09T09:09:09Z");
    v.push("1997-09-09T09:09:09+09:09");
    v.push("1997-09-09T09:09:09-09:09");
    v.push("1997-09-09T09:09:09");
    v.push("1997-09-09");
    v.push("09:09:09");
    v.push("1997-09-09T09:09:09.09Z");
    v.push("1997-09-09T09:09:09.09+09:09");
    v.push("1997-09-09T09:09:09.09-09:09");
    v.push("1997-09-09T09:09:09.09");
    v.push("09:09:09.09");
    v
}

#[test]
fn test_spanned_field() {
    #[derive(Deserialize)]
    struct Foo<T> {
        foo: Spanned<T>,
    }

    #[derive(Deserialize)]
    struct BareFoo<T> {
        foo: T,
    }

    fn good<'de, T>(s: &'de str, expected: &str, end: Option<usize>)
    where
        T: serde::Deserialize<'de> + Debug + PartialEq,
    {
        let foo: Foo<T> = toml::from_str(s).unwrap();

        assert_eq!(6, foo.foo.start());
        if let Some(end) = end {
            assert_eq!(end, foo.foo.end());
        } else {
            assert_eq!(s.len(), foo.foo.end());
        }
        assert_eq!(expected, &s[foo.foo.start()..foo.foo.end()]);

        // Test for Spanned<> at the top level
        let foo_outer: Spanned<BareFoo<T>> = toml::from_str(s).unwrap();

        assert_eq!(0, foo_outer.start());
        assert_eq!(s.len(), foo_outer.end());
        assert_eq!(foo.foo.into_inner(), foo_outer.into_inner().foo);
    }

    good::<String>("foo = \"foo\"", "\"foo\"", None);
    good::<u32>("foo = 42", "42", None);
    // leading plus
    good::<u32>("foo = +42", "+42", None);
    // table
    good::<HashMap<String, u32>>(
        "foo = {\"foo\" = 42, \"bar\" = 42}",
        "{\"foo\" = 42, \"bar\" = 42}",
        None,
    );
    // array
    good::<Vec<u32>>("foo = [0, 1, 2, 3, 4]", "[0, 1, 2, 3, 4]", None);
    // datetime
    good::<String>(
        "foo = \"1997-09-09T09:09:09Z\"",
        "\"1997-09-09T09:09:09Z\"",
        None,
    );

    for expected in good_datetimes() {
        let s = format!("foo = {}", expected);
        good::<Datetime>(&s, expected, None);
    }
    // ending at something other than the absolute end
    good::<u32>("foo = 42\nnoise = true", "42", Some(8));
}

#[test]
fn test_spanned_table() {
    #[derive(Deserialize)]
    struct Foo {
        foo: HashMap<Spanned<String>, Spanned<String>>,
    }

    fn good(s: &str) {
        let foo: Foo = toml::from_str(s).unwrap();

        for (k, v) in foo.foo.iter() {
            assert_eq!(&s[k.start()..k.end()], k.get_ref());
            assert_eq!(&s[(v.start() + 1)..(v.end() - 1)], v.get_ref());
        }
    }

    good(
        "
        [foo]
        a = 'b'
        bar = 'baz'
        c = 'd'
        e = \"f\"
    ",
    );

    good(
        "
        foo = { a = 'b', bar = 'baz', c = 'd', e = \"f\" }
    ",
    );
}

#[test]
fn test_spanned_nested() {
    #[derive(Deserialize)]
    struct Foo {
        foo: HashMap<Spanned<String>, HashMap<Spanned<String>, Spanned<String>>>,
    }

    fn good(s: &str) {
        let foo: Foo = toml::from_str(s).unwrap();

        for (k, v) in foo.foo.iter() {
            assert_eq!(&s[k.start()..k.end()], k.get_ref());
            for (n_k, n_v) in v.iter() {
                assert_eq!(&s[n_k.start()..n_k.end()], n_k.get_ref());
                assert_eq!(&s[(n_v.start() + 1)..(n_v.end() - 1)], n_v.get_ref());
            }
        }
    }

    good(
        "
        [foo.a]
        a = 'b'
        c = 'd'
        e = \"f\"
        [foo.bar]
        baz = 'true'
    ",
    );

    good(
        "
        [foo]
        foo = { a = 'b', bar = 'baz', c = 'd', e = \"f\" }
        bazz = {}
        g = { h = 'i' }
    ",
    );
}