Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-diagnostics/src/handlers/unused_variables.rs')
| -rw-r--r-- | crates/ide-diagnostics/src/handlers/unused_variables.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/crates/ide-diagnostics/src/handlers/unused_variables.rs b/crates/ide-diagnostics/src/handlers/unused_variables.rs index 84e63acbc0..b7ec8fa53f 100644 --- a/crates/ide-diagnostics/src/handlers/unused_variables.rs +++ b/crates/ide-diagnostics/src/handlers/unused_variables.rs @@ -183,6 +183,61 @@ fn main2() { } #[test] + fn apply_last_lint_attribute_when_multiple_are_present() { + check_diagnostics( + r#" +#![allow(unused_variables)] +#![warn(unused_variables)] +#![deny(unused_variables)] + +fn main() { + let x = 2; + //^ 💡 error: unused variable + + #[deny(unused_variables)] + #[warn(unused_variables)] + #[allow(unused_variables)] + let y = 0; +} +"#, + ); + } + + #[test] + fn prefer_closest_ancestor_lint_attribute() { + check_diagnostics( + r#" +#![allow(unused_variables)] + +fn main() { + #![warn(unused_variables)] + + #[deny(unused_variables)] + let x = 2; + //^ 💡 error: unused variable +} + +#[warn(unused_variables)] +fn main2() { + #[deny(unused_variables)] + let x = 2; + //^ 💡 error: unused variable +} + +#[warn(unused_variables)] +fn main3() { + let x = 2; + //^ 💡 warn: unused variable +} + +fn main4() { + let x = 2; +} +"#, + ); + } + + #[test] fn fix_unused_variable() { check_fix( r#" |