- /// p.set_extension("dark_side");
- /// assert_eq!(Path::new("/feel/the.dark_side"), p.as_path());
+ /// p.set_extension("dark.side");
+ /// assert_eq!(Path::new("/feel/the.dark.side"), p.as_path());
+ ///
+ /// p.set_extension("cookie");
+ /// assert_eq!(Path::new("/feel/the.dark.cookie"), p.as_path());
+ ///
+ /// p.set_extension("");
+ /// assert_eq!(Path::new("/feel/the.dark"), p.as_path());
+ ///
+ /// p.set_extension("");
+ /// assert_eq!(Path::new("/feel/the"), p.as_path());
+ ///
+ /// p.set_extension("");
+ /// assert_eq!(Path::new("/feel/the"), p.as_path());