rust-analyzer - Unnamed repository; edit this file 'description' to name the repository.


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

use expect_test::expect;

use crate::macro_expansion_tests::check;

#[test]
fn unary_minus_is_a_literal() {
    check(
        r#"
macro_rules! m { ($x:literal) => (literal!()); ($x:tt) => (not_a_literal!()); }
m!(92);
m!(-92);
m!(-9.2);
m!(--92);
"#,
        expect![[r#"
macro_rules! m { ($x:literal) => (literal!()); ($x:tt) => (not_a_literal!()); }
literal!()
literal!()
literal!()
/* error: leftover tokens */not_a_literal!()
"#]],
    )
}

#[test]
fn wrong_nesting_level() {
    check(
        r#"
macro_rules! m {
    ($($i:ident);*) => ($i)
}
m!{a}
"#,
        expect![[r#"
macro_rules! m {
    ($($i:ident);*) => ($i)
}
/* error: expected simple binding, found nested binding `i` */
"#]],
    );
}