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| author | Edwin Cheng <edwin0cheng@gmail.com> | 2020-03-18 09:47:59 +0000 |
|---|---|---|
| committer | Edwin Cheng <edwin0cheng@gmail.com> | 2020-03-25 11:50:12 +0000 |
| commit | 34dc8d25c1e461cc311d6d4404f74502513cd3ae (patch) | |
| tree | 00aab26b07c1cd42dfa350eeddc6c41e5bea178b /crates/ra_hir_ty/src/tests | |
| parent | e2dd17f75b1bb5e1185acff66211e74430177592 (diff) | |
Add basic custom derive lowering
Diffstat (limited to 'crates/ra_hir_ty/src/tests')
| -rw-r--r-- | crates/ra_hir_ty/src/tests/macros.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/crates/ra_hir_ty/src/tests/macros.rs b/crates/ra_hir_ty/src/tests/macros.rs index 2e309a379..d59e4eea6 100644 --- a/crates/ra_hir_ty/src/tests/macros.rs +++ b/crates/ra_hir_ty/src/tests/macros.rs | |||
| @@ -639,3 +639,26 @@ mod clone { | |||
| 639 | ); | 639 | ); |
| 640 | assert_eq!("(Wrapper<S>, {unknown})", type_at_pos(&db, pos)); | 640 | assert_eq!("(Wrapper<S>, {unknown})", type_at_pos(&db, pos)); |
| 641 | } | 641 | } |
| 642 | |||
| 643 | #[test] | ||
| 644 | fn infer_custom_derive_simple() { | ||
| 645 | let (db, pos) = TestDB::with_position( | ||
| 646 | r#" | ||
| 647 | //- /main.rs crate:main deps:foo | ||
| 648 | use foo::Foo; | ||
| 649 | |||
| 650 | #[derive(Foo)] | ||
| 651 | struct S{} | ||
| 652 | |||
| 653 | fn test() { | ||
| 654 | S{}<|>; | ||
| 655 | } | ||
| 656 | |||
| 657 | //- /lib.rs crate:foo | ||
| 658 | #[proc_macro_derive(Foo)] | ||
| 659 | pub fn derive_foo(_item: TokenStream) -> TokenStream { | ||
| 660 | } | ||
| 661 | "#, | ||
| 662 | ); | ||
| 663 | assert_eq!("S", type_at_pos(&db, pos)); | ||
| 664 | } | ||