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-rw-r--r--crates/ra_hir_ty/src/tests/macros.rs40
1 files changed, 40 insertions, 0 deletions
diff --git a/crates/ra_hir_ty/src/tests/macros.rs b/crates/ra_hir_ty/src/tests/macros.rs
index 5ddecbdc6..1f796876d 100644
--- a/crates/ra_hir_ty/src/tests/macros.rs
+++ b/crates/ra_hir_ty/src/tests/macros.rs
@@ -339,6 +339,46 @@ pub fn baz() -> usize { 31usize }
339} 339}
340 340
341#[test] 341#[test]
342fn infer_macro_with_dollar_crate_is_correct_in_trait_associate_type() {
343 let (db, pos) = TestDB::with_position(
344 r#"
345//- /main.rs crate:main deps:foo
346use foo::Trait;
347
348fn test() {
349 let msg = foo::Message(foo::MessageRef);
350 let r = msg.deref();
351 r<|>;
352}
353
354//- /lib.rs crate:foo
355pub struct MessageRef;
356pub struct Message(MessageRef);
357
358pub trait Trait {
359 type Target;
360 fn deref(&self) -> &Self::Target;
361}
362
363#[macro_export]
364macro_rules! expand {
365 () => {
366 impl Trait for Message {
367 type Target = $crate::MessageRef;
368 fn deref(&self) -> &Self::Target {
369 &self.0
370 }
371 }
372 }
373}
374
375expand!();
376"#,
377 );
378 assert_eq!("&MessageRef", type_at_pos(&db, pos));
379}
380
381#[test]
342fn infer_type_value_non_legacy_macro_use_as() { 382fn infer_type_value_non_legacy_macro_use_as() {
343 assert_snapshot!( 383 assert_snapshot!(
344 infer(r#" 384 infer(r#"