3 files changed, 253 insertions, 1 deletions

diff --git a/crates/hir_ty/src/tests/macros.rs b/crates/hir_ty/src/tests/macros.rs
index b8e373ed8..6588aa46c 100644
--- a/crates/hir_ty/src/tests/macros.rs
+++ b/crates/hir_ty/src/tests/macros.rs
@@ -1074,3 +1074,202 @@ fn macro_in_arm() {
         "#]],
     );
 }
+
+#[test]
+fn macro_in_type_alias_position() {
+    check_infer(
+        r#"
+        macro_rules! U32 {
+            () => { u32 };
+        }
+
+        trait Foo {
+            type Ty;
+        }
+
+        impl<T> Foo for T {
+            type Ty = U32!();
+        }
+
+        type TayTo = U32!();
+
+        fn testy() {
+            let a: <() as Foo>::Ty;
+            let b: TayTo;
+        }
+        "#,
+        expect![[r#"
+            147..196 '{     ...yTo; }': ()
+            157..158 'a': u32
+            185..186 'b': u32
+        "#]],
+    );
+}
+
+#[test]
+fn nested_macro_in_type_alias_position() {
+    check_infer(
+        r#"
+        macro_rules! U32Inner2 {
+            () => { u32 };
+        }
+
+        macro_rules! U32Inner1 {
+            () => { U32Inner2!() };
+        }
+
+        macro_rules! U32 {
+            () => { U32Inner1!() };
+        }
+
+        trait Foo {
+            type Ty;
+        }
+
+        impl<T> Foo for T {
+            type Ty = U32!();
+        }
+
+        type TayTo = U32!();
+
+        fn testy() {
+            let a: <() as Foo>::Ty;
+            let b: TayTo;
+        }
+        "#,
+        expect![[r#"
+            259..308 '{     ...yTo; }': ()
+            269..270 'a': u32
+            297..298 'b': u32
+        "#]],
+    );
+}
+
+#[test]
+fn macros_in_type_alias_position_generics() {
+    check_infer(
+        r#"
+        struct Foo<A, B>(A, B);
+
+        macro_rules! U32 {
+            () => { u32 };
+        }
+
+        macro_rules! Bar {
+            () => { Foo<U32!(), U32!()> };
+        }
+
+        trait Moo {
+            type Ty;
+        }
+
+        impl<T> Moo for T {
+            type Ty = Bar!();
+        }
+
+        type TayTo = Bar!();
+
+        fn main() {
+            let a: <() as Moo>::Ty;
+            let b: TayTo;
+        }
+        "#,
+        expect![[r#"
+            228..277 '{     ...yTo; }': ()
+            238..239 'a': Foo<u32, u32>
+            266..267 'b': Foo<u32, u32>
+        "#]],
+    );
+}
+
+#[test]
+fn macros_in_type_position() {
+    check_infer(
+        r#"
+        struct Foo<A, B>(A, B);
+
+        macro_rules! U32 {
+            () => { u32 };
+        }
+
+        macro_rules! Bar {
+            () => { Foo<U32!(), U32!()> };
+        }
+
+        fn main() {
+            let a: Bar!();
+        }
+        "#,
+        expect![[r#"
+            133..155 '{     ...!(); }': ()
+            143..144 'a': Foo<u32, u32>
+        "#]],
+    );
+}
+
+#[test]
+fn macros_in_type_generics() {
+    check_infer(
+        r#"
+        struct Foo<A, B>(A, B);
+
+        macro_rules! U32 {
+            () => { u32 };
+        }
+
+        macro_rules! Bar {
+            () => { Foo<U32!(), U32!()> };
+        }
+
+        trait Moo {
+            type Ty;
+        }
+
+        impl<T> Moo for T {
+            type Ty = Foo<Bar!(), Bar!()>;
+        }
+
+        type TayTo = Foo<Bar!(), U32!()>;
+
+        fn main() {
+            let a: <() as Moo>::Ty;
+            let b: TayTo;
+        }
+        "#,
+        expect![[r#"
+            254..303 '{     ...yTo; }': ()
+            264..265 'a': Foo<Foo<u32, u32>, Foo<u32, u32>>
+            292..293 'b': Foo<Foo<u32, u32>, u32>
+        "#]],
+    );
+}
+
+#[test]
+fn infinitely_recursive_macro_type() {
+    check_infer(
+        r#"
+        struct Bar<T, X>(T, X);
+
+        macro_rules! Foo {
+            () => { Foo!() }
+        }
+
+        macro_rules! U32 {
+            () => { u32 }
+        }
+
+        type A = Foo!();
+        type B = Bar<Foo!(), U32!()>;
+
+        fn main() {
+            let a: A;
+            let b: B;
+        }
+        "#,
+        expect![[r#"
+            166..197 '{     ...: B; }': ()
+            176..177 'a': {unknown}
+            190..191 'b': Bar<{unknown}, u32>
+        "#]],
+    );
+}
diff --git a/crates/hir_ty/src/tests/method_resolution.rs b/crates/hir_ty/src/tests/method_resolution.rs
index 4b2c82b41..a4c132bc5 100644
--- a/crates/hir_ty/src/tests/method_resolution.rs
+++ b/crates/hir_ty/src/tests/method_resolution.rs
@@ -1294,7 +1294,7 @@ mod b {
 }
 
 #[test]
-fn impl_in_unnamed_const() {
+fn trait_impl_in_unnamed_const() {
     check_types(
         r#"
 struct S;
@@ -1314,3 +1314,38 @@ fn f() {
     "#,
     );
 }
+
+#[test]
+fn inherent_impl_in_unnamed_const() {
+    check_types(
+        r#"
+struct S;
+
+const _: () = {
+    impl S {
+        fn method(&self) -> u16 { 0 }
+
+        pub(super) fn super_method(&self) -> u16 { 0 }
+
+        pub(crate) fn crate_method(&self) -> u16 { 0 }
+
+        pub fn pub_method(&self) -> u16 { 0 }
+    }
+};
+
+fn f() {
+    S.method();
+  //^^^^^^^^^^ u16
+
+    S.super_method();
+  //^^^^^^^^^^^^^^^^ u16
+
+    S.crate_method();
+  //^^^^^^^^^^^^^^^^ u16
+
+    S.pub_method();
+  //^^^^^^^^^^^^^^ u16
+}
+    "#,
+    );
+}
diff --git a/crates/hir_ty/src/tests/simple.rs b/crates/hir_ty/src/tests/simple.rs
index 84c5c05fd..5948d0bc2 100644
--- a/crates/hir_ty/src/tests/simple.rs
+++ b/crates/hir_ty/src/tests/simple.rs
@@ -1765,6 +1765,24 @@ fn main() {
 }
 
 #[test]
+fn shadowing_primitive_with_inner_items() {
+    check_types(
+        r#"
+struct i32;
+struct Foo;
+
+impl i32 { fn foo(&self) -> Foo { Foo } }
+
+fn main() {
+    fn inner() {}
+    let x: i32 = i32;
+    x.foo();
+        //^ Foo
+}"#,
+    );
+}
+
+#[test]
 fn not_shadowing_primitive_by_module() {
     check_types(
         r#"