keii.dev
1use crate::{assert_js, assert_ts_def};
2
3#[test]
4fn list_literals() {
5 assert_js!(
6 r#"
7pub fn go(x) {
8 []
9 [1]
10 [1, 2]
11 [1, 2, ..x]
12}
13"#,
14 );
15}
16
17#[test]
18fn long_list_literals() {
19 assert_js!(
20 r#"
21pub fn go() {
22 [111111111111111111111111111111111111111111111111111111111111111111111111]
23 [11111111111111111111111111111111111111111111, 1111111111111111111111111111111111111111111]
24}
25"#,
26 );
27}
28
29#[test]
30fn multi_line_list_literals() {
31 assert_js!(
32 r#"
33pub fn go(x) {
34 [{True 1}]
35}
36"#,
37 );
38}
39
40#[test]
41fn list_constants() {
42 assert_js!(
43 r#"
44pub const a = []
45pub const b = [1, 2, 3]
46"#,
47 );
48}
49
50#[test]
51fn list_constants_typescript() {
52 assert_ts_def!(
53 r#"
54pub const a = []
55pub const b = [1, 2, 3]
56"#,
57 );
58}
59
60#[test]
61fn list_destructuring() {
62 assert_js!(
63 r#"
64pub fn go(x, y) {
65 let assert [] = x
66 let assert [a] = x
67 let assert [1, 2] = x
68 let assert [_, #(3, b)] = y
69 let assert [head, ..tail] = y
70}
71"#,
72 );
73}
74
75#[test]
76fn equality() {
77 assert_js!(
78 r#"
79pub fn go() {
80 [] == [1]
81 [] != [1]
82}
83"#,
84 );
85}
86
87#[test]
88fn case() {
89 assert_js!(
90 r#"
91pub fn go(xs) {
92 case xs {
93 [] -> 0
94 [_] -> 1
95 [_, _] -> 2
96 _ -> 9999
97 }
98}
99"#,
100 );
101}
102
103// https://github.com/gleam-lang/gleam/issues/2904
104#[test]
105fn tight_empty_list() {
106 assert_js!(
107 r#"
108pub fn go(func) {
109 let huuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuge_variable = []
110}
111"#,
112 );
113}