diff options
Diffstat (limited to 'src/test/ui/lint/rfc-2383-lint-reason/expect_lint_from_macro.rs')
-rw-r--r-- | src/test/ui/lint/rfc-2383-lint-reason/expect_lint_from_macro.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/lint/rfc-2383-lint-reason/expect_lint_from_macro.rs b/src/test/ui/lint/rfc-2383-lint-reason/expect_lint_from_macro.rs new file mode 100644 index 000000000..07c60fa0c --- /dev/null +++ b/src/test/ui/lint/rfc-2383-lint-reason/expect_lint_from_macro.rs @@ -0,0 +1,42 @@ +// check-pass + +#![feature(lint_reasons)] + +#![warn(unused_variables)] + +macro_rules! trigger_unused_variables_macro { + () => { + let x = 0; + //~^ WARNING unused variable: `x` [unused_variables] + //~| WARNING unused variable: `x` [unused_variables] + }; +} + +pub fn check_macro() { + // This should trigger the `unused_variables` from inside the macro + trigger_unused_variables_macro!(); +} + +// This should be fulfilled by the macro +#[expect(unused_variables)] +pub fn check_expect_on_item() { + trigger_unused_variables_macro!(); +} + +pub fn check_expect_on_macro() { + // This should be fulfilled by the macro + #[expect(unused_variables)] + trigger_unused_variables_macro!(); + + // FIXME: Lint attributes currently don't work directly on macros, and + // therefore also doesn't work for the new `expect` attribute. This bug + // is being tracked in rust#87391. The test will until then produce two + // warnings about the unused variable x. + // + // The expectation is still marked as fulfilled. I'm not totally why but + // my guess is that this will remain working when rust#87391 has been fixed. +} + +fn main() { + +} |