add non-functioning test

Author: davidbarsky

crates/ide-completion/src/tests/flyimport.rs

@@ -374,6 +374,72 @@ fn main() {
     );
 }
 
+#[test]
+fn trait_method_fuzzy_completion_aware_of_fundamental_traits() {
+    let fixture = r#"
+//- /std.rs crate:std
+pub mod boxed {
+    #[lang = "owned_box"]
+    #[fundamental]
+    pub struct Box<T>(T);
+}
+
+//- /trait-dep.rs crate:trait-dep deps:std
+pub trait TestTrait {
+    fn some_method(&self) -> Result;
+}
+
+//- /lib.rs crate:dep deps:std,trait-dep
+pub struct TestStruct;
+
+impl<T> trait_dep::TestTrait for TestStruct {
+    fn some_method(&self) -> Result {
+        todo!()
+    }
+}
+
+//- /main.rs crate:main deps:dep,trait-dep,std
+pub struct TestStruct;
+
+impl<T> trait_dep::TestTrait for TestStruct {
+    fn some_method(&self) -> Result {
+        todo!()
+    }
+}
+
+fn main() {
+    let test_struct = TestStruct;
+    test_struct.$0
+}"#;
+
+    check(
+        fixture,
+        expect![[r#"
+        me some_method() (use trait_dep::TestTrait) fn(&self) -> {unknown}
+    "#]],
+    );
+
+    check_edit(
+        "some_method",
+        fixture,
+        r#"
+use trait_dep::TestTrait;
+
+pub struct TestStruct;
+
+impl<T> trait_dep::TestTrait for TestStruct {
+    fn some_method(&self) -> Result {
+        todo!()
+    }
+}
+
+fn main() {
+    let test_struct = TestStruct;
+    test_struct.some_method()$0
+}"#,
+    );
+}
+
 #[test]
 fn trait_method_from_alias() {
     let fixture = r#"