Modify

casey · Oct 9, 2024 · dcc54d0 · dcc54d0
1 parent c5ea43e
commit dcc54d0
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/src/io_result_ext.rs b/src/io_result_ext.rs
@@ -18,3 +18,22 @@ impl<T> IoResultExt<T> for io::Result<T> {
  }
  }
 }
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn into_option() {
+ Err::<(), io::Error>(io::Error::new(io::ErrorKind::InvalidInput, "foo"))
+ .into_option()
+ .unwrap_err();
+
+ assert_eq!(
+ Err::<(), io::Error>(io::Error::new(io::ErrorKind::NotFound, "foo"))
+ .into_option()
+ .unwrap(),
+ None,
+ );
+ }
+}