From 842f9650bc592ebabd4fff482eb59c4e48e44c44 Mon Sep 17 00:00:00 2001
From: A4-Tacks <wdsjxhno1001@163.com>
Date: Tue, 9 Dec 2025 12:34:35 +0800
Subject: [PATCH] Add complex tests for assist generate_fn_type_alias

---
 .../src/handlers/generate_fn_type_alias.rs    | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/crates/ide-assists/src/handlers/generate_fn_type_alias.rs b/crates/ide-assists/src/handlers/generate_fn_type_alias.rs
index 0b7eca2290..7fd94b4bed 100644
--- a/crates/ide-assists/src/handlers/generate_fn_type_alias.rs
+++ b/crates/ide-assists/src/handlers/generate_fn_type_alias.rs
@@ -269,6 +269,22 @@ fn foo<A: Trait, B: Trait>(a: A, b: B) -> i32 { return 42; }
         );
     }
 
+    #[test]
+    fn generate_fn_alias_unnamed_complex_types() {
+        check_assist_by_label(
+            generate_fn_type_alias,
+            r#"
+fn fo$0o(x: Vec<i32>) {}
+"#,
+            r#"
+type ${0:FooFn} = fn(Vec<i32>);
+
+fn foo(x: Vec<i32>) {}
+"#,
+            ParamStyle::Unnamed.label(),
+        );
+    }
+
     #[test]
     fn generate_fn_alias_unnamed_self() {
         check_assist_by_label(
@@ -405,6 +421,22 @@ fn foo<A: Trait, B: Trait>(a: A, b: B) -> i32 { return 42; }
         );
     }
 
+    #[test]
+    fn generate_fn_alias_named_complex_types() {
+        check_assist_by_label(
+            generate_fn_type_alias,
+            r#"
+fn fo$0o(x: Vec<i32>) {}
+"#,
+            r#"
+type ${0:FooFn} = fn(x: Vec<i32>);
+
+fn foo(x: Vec<i32>) {}
+"#,
+            ParamStyle::Named.label(),
+        );
+    }
+
     #[test]
     fn generate_fn_alias_named_self() {
         check_assist_by_label(