aboutsummaryrefslogtreecommitdiff
path: root/crates/hir_def/src/nameres/tests/diagnostics.rs
blob: 1a7b988318e895ee0103779dafcb66d0c3d7ca25 (plain)
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
use base_db::fixture::WithFixture;

use crate::test_db::TestDB;

fn check_diagnostics(ra_fixture: &str) {
    let db: TestDB = TestDB::with_files(ra_fixture);
    db.check_diagnostics();
}

#[test]
fn unresolved_import() {
    check_diagnostics(
        r"
        use does_exist;
        use does_not_exist;
          //^^^^^^^^^^^^^^ unresolved import

        mod does_exist {}
        ",
    );
}

#[test]
fn unresolved_import_in_use_tree() {
    // Only the relevant part of a nested `use` item should be highlighted.
    check_diagnostics(
        r"
        use does_exist::{Exists, DoesntExist};
                               //^^^^^^^^^^^ unresolved import

        use {does_not_exist::*, does_exist};
           //^^^^^^^^^^^^^^^^^ unresolved import

        use does_not_exist::{
            a,
          //^ unresolved import
            b,
          //^ unresolved import
            c,
          //^ unresolved import
        };

        mod does_exist {
            pub struct Exists;
        }
        ",
    );
}

#[test]
fn unresolved_extern_crate() {
    check_diagnostics(
        r"
        //- /main.rs crate:main deps:core
        extern crate core;
          extern crate doesnotexist;
        //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate
        //- /lib.rs crate:core
        ",
    );
}

#[test]
fn dedup_unresolved_import_from_unresolved_crate() {
    check_diagnostics(
        r"
        //- /main.rs crate:main
        mod a {
            extern crate doesnotexist;
          //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate

            // Should not error, since we already errored for the missing crate.
            use doesnotexist::{self, bla, *};

            use crate::doesnotexist;
              //^^^^^^^^^^^^^^^^^^^ unresolved import
        }

        mod m {
            use super::doesnotexist;
              //^^^^^^^^^^^^^^^^^^^ unresolved import
        }
        ",
    );
}

#[test]
fn unresolved_module() {
    check_diagnostics(
        r"
        //- /lib.rs
        mod foo;
          mod bar;
        //^^^^^^^^ unresolved module
        mod baz {}
        //- /foo.rs
        ",
    );
}

#[test]
fn inactive_item() {
    // Additional tests in `cfg` crate. This only tests disabled cfgs.

    check_diagnostics(
        r#"
        //- /lib.rs
          #[cfg(no)] pub fn f() {}
        //^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no is disabled

          #[cfg(no)] #[cfg(no2)] mod m;
        //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no and no2 are disabled

          #[cfg(all(not(a), b))] enum E {}
        //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: b is disabled

          #[cfg(feature = "std")] use std;
        //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: feature = "std" is disabled
        "#,
    );
}