test: add new test with partially annotated generic function

Author: ankddev

compiler-core/src/language_server/tests/action.rs

@@ -10644,6 +10644,19 @@ pub fn add_one(thing: Int) {
     );
 }
 
+#[test]
+fn annotate_all_top_level_definitions_with_partially_annotated_generic_function() {
+    assert_code_action!(
+        ANNOTATE_TOP_LEVEL_DEFINITIONS,
+        r#"
+pub fn wibble(a: a, b, c: c, d) {
+  todo
+}
+"#,
+        find_position_of("wibble").to_selection()
+    );
+}
+
 #[test]
 fn annotate_all_top_level_definitions_with_two_generic_functions() {
     assert_code_action!(

compiler-core/src/language_server/tests/snapshots/gleam_core__language_server__tests__action__annotate_all_top_level_definitions_with_partially_annotated_generic_function.snap

@@ -0,0 +1,17 @@
+---
+source: compiler-core/src/language_server/tests/action.rs
+expression: "\npub fn wibble(a: a, b, c: c, d) {\n  todo\n}\n"
+---
+----- BEFORE ACTION
+
+pub fn wibble(a: a, b, c: c, d) {
+       ↑                         
+  todo
+}
+
+
+----- AFTER ACTION
+
+pub fn wibble(a: a, b: b, c: c, d: d) -> e {
+  todo
+}