[go: up one dir, main page]

serde_with 3.16.1

Custom de/serialization functions for Rust's serde
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

//! Test Cases for `SmallVec`

mod utils;

use crate::utils::is_equal;
use expect_test::expect;
use serde::{Deserialize, Serialize};
use serde_with::{serde_as, DisplayFromStr};
use smallvec_1::SmallVec;

#[test]
fn test_smallvec_basic() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct S(#[serde_as(as = "SmallVec<[_; 4]>")] SmallVec<[u32; 4]>);

    // Normal
    is_equal(
        S(SmallVec::from_vec(vec![1, 2, 3])),
        expect![[r#"
          [
            1,
            2,
            3
          ]"#]],
    );
    is_equal(S(SmallVec::new()), expect![[r#"[]"#]]);
}

#[test]
fn test_smallvec_displayfromstr() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct S(#[serde_as(as = "SmallVec<[DisplayFromStr; 4]>")] SmallVec<[u32; 4]>);

    // Normal
    is_equal(
        S(SmallVec::from_vec(vec![1, 2, 3])),
        expect![[r#"
          [
            "1",
            "2",
            "3"
          ]"#]],
    );
    is_equal(S(SmallVec::new()), expect![[r#"[]"#]]);
}

#[test]
fn test_smallvec_large() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct S(#[serde_as(as = "SmallVec<[_; 2]>")] SmallVec<[u32; 2]>);

    // Test with more elements than inline capacity
    is_equal(
        S(SmallVec::from_vec(vec![1, 2, 3, 4, 5])),
        expect![[r#"
          [
            1,
            2,
            3,
            4,
            5
          ]"#]],
    );
}

#[test]
fn test_smallvec_nested() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct S {
        #[serde_as(as = "SmallVec<[DisplayFromStr; 4]>")]
        values: SmallVec<[u8; 4]>,
    }

    is_equal(
        S {
            values: SmallVec::from_vec(vec![1, 2, 3]),
        },
        expect![[r#"
          {
            "values": [
              "1",
              "2",
              "3"
            ]
          }"#]],
    );
}

#[test]
fn test_smallvec_string() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct S(#[serde_as(as = "SmallVec<[_; 4]>")] SmallVec<[String; 4]>);

    is_equal(
        S(SmallVec::from_vec(vec![
            "foo".to_string(),
            "bar".to_string(),
        ])),
        expect![[r#"
          [
            "foo",
            "bar"
          ]"#]],
    );
}