--- /dev/null
+// run-rustfix
+#![warn(clippy::manual_ok_or)]
+#![allow(clippy::blacklisted_name)]
+#![allow(clippy::redundant_closure)]
+#![allow(dead_code)]
+#![allow(unused_must_use)]
+
+fn main() {
+ // basic case
+ let foo: Option<i32> = None;
+ foo.ok_or("error");
+
+ // eta expansion case
+ foo.ok_or("error");
+
+ // turbo fish syntax
+ None::<i32>.ok_or("error");
+
+ // multiline case
+ #[rustfmt::skip]
+ foo.ok_or(&format!(
+ "{}{}{}{}{}{}{}",
+ "Alice", "Bob", "Sarah", "Marc", "Sandra", "Eric", "Jenifer"));
+
+ // not applicable, closure isn't direct `Ok` wrapping
+ foo.map_or(Err("error"), |v| Ok(v + 1));
+
+ // not applicable, or side isn't `Result::Err`
+ foo.map_or(Ok::<i32, &str>(1), |v| Ok(v));
+
+ // not applicable, expr is not a `Result` value
+ foo.map_or(42, |v| v);
+
+ // TODO patterns not covered yet
+ match foo {
+ Some(v) => Ok(v),
+ None => Err("error"),
+ };
+ foo.map_or_else(|| Err("error"), |v| Ok(v));
+}