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Add test for malformed and misapplied crate_type

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Jamie Hill-Daniel 2026-01-21 20:02:57 +00:00
parent e902d0512c
commit 8a1d6d319b
2 changed files with 89 additions and 0 deletions
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19
tests/ui/attributes/crate-type-non-crate.rs Normal file
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//! Test the behavior of various malformed `crate_type` attributes applied to a non-crate target.
#![allow(unused_attributes)]
// No arguments
#[crate_type] //~ ERROR malformed `crate_type` attribute input
// List/NameValue with/without strings
#[crate_type(lib)] //~ ERROR malformed `crate_type` attribute input
#[crate_type("lib")] //~ ERROR malformed `crate_type` attribute input
#[crate_type = lib] //~ ERROR attribute value must be a literal
#[crate_type = "lib"] // OK
// Same as above but with invalid names
#[crate_type(foo)] //~ ERROR malformed `crate_type` attribute input
#[crate_type("foo")] //~ ERROR malformed `crate_type` attribute input
#[crate_type = foo] //~ ERROR attribute value must be a literal
#[crate_type = "foo"] // OK - we don't report errors on invalid crate types here
// Non-string literals
#[crate_type(1)] //~ ERROR malformed `crate_type` attribute input
#[crate_type = 1] //~ ERROR malformed `crate_type` attribute input
fn main() {}

70
tests/ui/attributes/crate-type-non-crate.stderr Normal file
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error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:5:1
|
LL | #[crate_type]
| ^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:7:1
|
LL | #[crate_type(lib)]
| ^^^^^^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:8:1
|
LL | #[crate_type("lib")]
| ^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: attribute value must be a literal
--> $DIR/crate-type-non-crate.rs:9:16
|
LL | #[crate_type = lib]
| ^^^
error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:12:1
|
LL | #[crate_type(foo)]
| ^^^^^^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:13:1
|
LL | #[crate_type("foo")]
| ^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: attribute value must be a literal
--> $DIR/crate-type-non-crate.rs:14:16
|
LL | #[crate_type = foo]
| ^^^
error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:17:1
|
LL | #[crate_type(1)]
| ^^^^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: malformed `crate_type` attribute input
--> $DIR/crate-type-non-crate.rs:18:1
|
LL | #[crate_type = 1]
| ^^^^^^^^^^^^^^^^^
|
= note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
error: aborting due to 9 previous errors