Format and codegen for attr

crates/ide-assists/src/lib.rs

@@ -344,7 +344,7 @@ pub(crate) fn all() -> &'static [Handler] {
             unqualify_method_call::unqualify_method_call,
             wrap_return_type_in_result::wrap_return_type_in_result,
             wrap_unwrap_cfg_attr::wrap_unwrap_cfg_attr,
-            
+
             // These are manually sorted for better priorities. By default,
             // priority is determined by the size of the target range (smaller
             // target wins). If the ranges are equal, position in this list is

crates/ide-assists/src/tests/generated.rs

@@ -3151,3 +3151,22 @@ fn foo() -> Result<i32, ${0:_}> { Ok(42i32) }
 "#####,
     )
 }
+
+#[test]
+fn doctest_wrap_unwrap_cfg_attr() {
+    check_doc_test(
+        "wrap_unwrap_cfg_attr",
+        r#####"
+#[derive$0(Debug)]
+struct S {
+   field: i32
+}
+"#####,
+        r#####"
+#[cfg_attr($0, derive(Debug))]
+struct S {
+   field: i32
+}
+"#####,
+    )
+}