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
|
use self::inner::ColorWithCustomValues;
use wasm_bindgen::prelude::*;
use wasm_bindgen_test::*;
#[wasm_bindgen(module = "tests/wasm/enums.js")]
extern "C" {
fn js_c_style_enum();
fn js_c_style_enum_with_custom_values();
fn js_handle_optional_enums(x: Option<Color>) -> Option<Color>;
fn js_expect_enum(x: Color, y: Option<Color>);
fn js_expect_enum_none(x: Option<Color>);
fn js_renamed_enum(b: RenamedEnum);
fn js_enum_with_error_variant();
}
#[wasm_bindgen]
#[derive(PartialEq, Debug)]
pub enum Color {
Green,
Yellow,
Red,
}
pub mod inner {
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
pub enum ColorWithCustomValues {
Green = 21,
Yellow = 34,
Red = 2,
}
}
#[wasm_bindgen(js_name = JsRenamedEnum)]
#[derive(Copy, Clone)]
pub enum RenamedEnum {
A = 10,
B = 20,
}
#[wasm_bindgen]
pub fn enum_cycle(color: Color) -> Color {
match color {
Color::Green => Color::Yellow,
Color::Yellow => Color::Red,
Color::Red => Color::Green,
}
}
#[wasm_bindgen]
pub fn enum_with_custom_values_cycle(color: ColorWithCustomValues) -> ColorWithCustomValues {
match color {
ColorWithCustomValues::Green => ColorWithCustomValues::Yellow,
ColorWithCustomValues::Yellow => ColorWithCustomValues::Red,
ColorWithCustomValues::Red => ColorWithCustomValues::Green,
}
}
#[wasm_bindgen_test]
fn c_style_enum() {
js_c_style_enum();
}
#[wasm_bindgen_test]
fn c_style_enum_with_custom_values() {
js_c_style_enum_with_custom_values();
}
#[wasm_bindgen]
pub fn handle_optional_enums(x: Option<Color>) -> Option<Color> {
x
}
#[wasm_bindgen]
#[derive(Copy, Clone)]
pub enum EnumWithErrorVariant {
OK,
Warning,
Error,
}
#[wasm_bindgen_test]
fn test_optional_enums() {
use self::Color::*;
assert_eq!(js_handle_optional_enums(None), None);
assert_eq!(js_handle_optional_enums(Some(Green)), Some(Green));
assert_eq!(js_handle_optional_enums(Some(Yellow)), Some(Yellow));
assert_eq!(js_handle_optional_enums(Some(Red)), Some(Red));
}
#[wasm_bindgen_test]
fn test_optional_enum_values() {
use self::Color::*;
js_expect_enum(Green, Some(Green));
js_expect_enum(Yellow, Some(Yellow));
js_expect_enum(Red, Some(Red));
js_expect_enum_none(None);
}
#[wasm_bindgen_test]
fn test_renamed_enum() {
js_renamed_enum(RenamedEnum::B);
}
#[wasm_bindgen_test]
fn test_enum_with_error_variant() {
js_enum_with_error_variant();
}
|
