simple_json 0.2.3

A simple runtime JSON parser.
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

use std::collections::HashMap;

extern crate simple_json;
use simple_json::{ Json, Number };

macro_rules! test {
    ($T: ty, $jsn:expr, $val:expr) => {{
        let json = Json::parse($jsn).unwrap();
        let val: $T = json.into();
        assert_eq!(val, $val);
    }};
}

#[test]
fn valid_null()
{
    test!((), "null", ());
}

#[test]
fn valid_bool()
{
    test!(bool, "false", false);
    test!(bool, "true",  true);
}

#[test]
fn valid_integer_number()
{
    test!(i64, "0",  0);
    test!(i64, "1",  1);
    test!(i64, "20", 20);
    test!(i64, "21", 21);

    test!(i64, "-0",   0);
    test!(i64, "-1",  -1);
    test!(i64, "-20", -20);
    test!(i64, "-21", -21);
}

#[test]
fn valid_float_number()
{
    test!(f64, "0.0",   0.);
    test!(f64, "1.1",   1.1);
    test!(f64, "20.01", 20.01);
    test!(f64, "21.12", 21.12);

    test!(f64, "-0.0",    0.);
    test!(f64, "-1.1",   -1.1);
    test!(f64, "-20.01", -20.01);
    test!(f64, "-21.12", -21.12);
}

#[test]
fn valid_exponent_number()
{
    test!(f64, "0e0",      0.0e0);
    test!(f64, "1e1",      1.0e1);
    test!(f64, "20.01e10", 20.01e10);
    test!(f64, "21.12e2",  21.12e2);

    test!(f64, "-0e0",       0.0e0);
    test!(f64, "-1e1",      -1.0e1);
    test!(f64, "-20.01e10", -20.01e10);
    test!(f64, "-21.12e2",  -21.12e2);
}

#[test]
fn valid_string()
{
    test!(String,
        "\"\"",
        String::from("")
    );

	test!(String,
        "\"This is a normal ASCII string.\"",
        String::from("This is a normal ASCII string.")
    );

    test!(String,
        "\"I can also use unicode: ٩(-̮̮̃-̃)۶ ٩(●̮̮̃•̃)۶ ٩(͡๏̯͡๏)۶ ٩(-̮̮̃•̃).\"",
        String::from("I can also use unicode: ٩(-̮̮̃-̃)۶ ٩(●̮̮̃•̃)۶ ٩(͡๏̯͡๏)۶ ٩(-̮̮̃•̃).")
    );

	test!(String,
        "\"I can escape some things, like \\\"\\\\\\/\\b\\f\\n\\r\\t!\"",
        String::from("I can escape some things, like \"\\/\u{0008}\u{000C}\n\r\t!")
    );

	test!(String,
        "\"I can even escape unicode: \\u3042.\"",
        String::from("I can even escape unicode: あ.")
    );
}

#[test]
fn valid_array()
{
	let json = Json::parse("[]");
	assert_eq!(json, Ok(Json::Array(vec![])));

	let json = Json::parse("[1,2.0,\"String\",[],{}]");
	assert_eq!(json, Ok(Json::Array(vec![
        Json::Number(Number::Unsigned(1)),
        Json::Number(Number::Float(2.)),
        Json::String(String::from("String")),
        Json::Array(vec![]),
        Json::Object(HashMap::new()),
    ])));
}

#[test]
fn valid_object()
{
	let json = Json::parse("{}");
	assert_eq!(json, Ok(Json::Object(HashMap::new())));

    let mut map = HashMap::new();
    map.insert(String::from("i"), Json::Number(Number::Unsigned(1)));
    map.insert(String::from("f"), Json::Number(Number::Float(2.)));
    map.insert(String::from("s"), Json::String(String::from("String")));
    map.insert(String::from("a"), Json::Array(vec![]));
    map.insert(String::from("o"), Json::Object(HashMap::new()));

    let json = Json::parse("{\"i\":1,\"f\":2.0,\"s\":\"String\",\"a\":[],\"o\":{}}");
	assert_eq!(json, Ok(Json::Object(map)));
}