24 /// assert_eq!(diff_paths("/foo/bar",      "/foo/bar/baz"),  Some("../".into()));
25 /// assert_eq!(diff_paths("/foo/bar/baz",  "/foo/bar"),      Some("baz".into()));
26 /// assert_eq!(diff_paths("/foo/bar/quux", "/foo/bar/baz"),  Some("../quux".into()));
27 /// assert_eq!(diff_paths("/foo/bar/baz",  "/foo/bar/quux"), Some("../baz".into()));
28 /// assert_eq!(diff_paths("/foo/bar",      "/foo/bar/quux"), Some("../".into()));
30 /// assert_eq!(diff_paths("/foo/bar",      "baz"),           Some("/foo/bar".into()));
31 /// assert_eq!(diff_paths("/foo/bar",      "/baz"),          Some("../foo/bar".into()));
32 /// assert_eq!(diff_paths("foo",           "bar"),           Some("../foo".into()));
36 ///     Some("baz".into())
40 ///     Some("baz".into())
53             Some(PathBuf::from(path))  in diff_paths()
64                 (Some(a), None) => {  in diff_paths()
70                 (Some(a), Some(b)) if comps.is_empty() && a == b => (),  in diff_paths()
71                 (Some(a), Some(b)) if b == Component::CurDir => comps.push(a),  in diff_paths()
72                 (Some(_), Some(b)) if b == Component::ParentDir => return None,  in diff_paths()
73                 (Some(a), Some(_)) => {  in diff_paths()
84         Some(comps.iter().map(|c| c.as_os_str()).collect())  in diff_paths()
101     /// assert_eq!(diff_utf8_paths("/foo/bar",      "/foo/bar/baz"),  Some("../".into()));
102     /// assert_eq!(diff_utf8_paths("/foo/bar/baz",  "/foo/bar"),      Some("baz".into()));
103     /// assert_eq!(diff_utf8_paths("/foo/bar/quux", "/foo/bar/baz"),  Some("../quux".into()));
104     /// assert_eq!(diff_utf8_paths("/foo/bar/baz",  "/foo/bar/quux"), Some("../baz".into()));
105     /// assert_eq!(diff_utf8_paths("/foo/bar",      "/foo/bar/quux"), Some("../".into()));
107     /// assert_eq!(diff_utf8_paths("/foo/bar",      "baz"),           Some("/foo/bar".into()));
108     /// assert_eq!(diff_utf8_paths("/foo/bar",      "/baz"),          Some("../foo/bar".into()));
109     /// assert_eq!(diff_utf8_paths("foo",           "bar"),           Some("../foo".into()));
113     ///     Some("baz".into())
117     ///     Some("baz".into())
131                 Some(Utf8PathBuf::from(path))  in diff_utf8_paths()
142                     (Some(a), None) => {  in diff_utf8_paths()
148                     (Some(a), Some(b)) if comps.is_empty() && a == b => (),  in diff_utf8_paths()
149                     (Some(a), Some(b)) if b == Utf8Component::CurDir => comps.push(a),  in diff_utf8_paths()
150                     (Some(_), Some(b)) if b == Utf8Component::ParentDir => return None,  in diff_utf8_paths()
151                     (Some(a), Some(_)) => {  in diff_utf8_paths()
162             Some(comps.iter().map(|c| c.as_str()).collect())  in diff_utf8_paths()
188         assert_diff_paths(&abs("foo"), &abs("bar"), Some("../foo"));  in test_absolute()
189         assert_diff_paths(&abs("foo"), "bar", Some(&abs("foo")));  in test_absolute()
191         assert_diff_paths("foo", "bar", Some("../foo"));  in test_absolute()
196         assert_diff_paths(".", ".", Some(""));  in test_identity()
197         assert_diff_paths("../foo", "../foo", Some(""));  in test_identity()
198         assert_diff_paths("./foo", "./foo", Some(""));  in test_identity()
199         assert_diff_paths("/foo", "/foo", Some(""));  in test_identity()
200         assert_diff_paths("foo", "foo", Some(""));  in test_identity()
202         assert_diff_paths("../foo/bar/baz", "../foo/bar/baz", Some("".into()));  in test_identity()
203         assert_diff_paths("foo/bar/baz", "foo/bar/baz", Some(""));  in test_identity()
208         assert_diff_paths("foo", "fo", Some("../foo"));  in test_subset()
209         assert_diff_paths("fo", "foo", Some("../fo"));  in test_subset()
214         assert_diff_paths("", "", Some(""));  in test_empty()
215         assert_diff_paths("foo", "", Some("foo"));  in test_empty()
216         assert_diff_paths("", "foo", Some(".."));  in test_empty()
221         assert_diff_paths("../foo", "../bar", Some("../foo"));  in test_relative()
222         assert_diff_paths("../foo", "../foo/bar/baz", Some("../.."));  in test_relative()
223         assert_diff_paths("../foo/bar/baz", "../foo", Some("bar/baz"));  in test_relative()
225         assert_diff_paths("foo/bar/baz", "foo", Some("bar/baz"));  in test_relative()
226         assert_diff_paths("foo/bar/baz", "foo/bar", Some("baz"));  in test_relative()
227         assert_diff_paths("foo/bar/baz", "foo/bar/baz", Some(""));  in test_relative()
228         assert_diff_paths("foo/bar/baz", "foo/bar/baz/", Some(""));  in test_relative()
230         assert_diff_paths("foo/bar/baz/", "foo", Some("bar/baz"));  in test_relative()
231         assert_diff_paths("foo/bar/baz/", "foo/bar", Some("baz"));  in test_relative()
232         assert_diff_paths("foo/bar/baz/", "foo/bar/baz", Some(""));  in test_relative()
233         assert_diff_paths("foo/bar/baz/", "foo/bar/baz/", Some(""));  in test_relative()
235         assert_diff_paths("foo/bar/baz", "foo/", Some("bar/baz"));  in test_relative()
236         assert_diff_paths("foo/bar/baz", "foo/bar/", Some("baz"));  in test_relative()
237         assert_diff_paths("foo/bar/baz", "foo/bar/baz", Some(""));  in test_relative()
242         assert_diff_paths(".", "foo", Some("../."));  in test_current_directory()
243         assert_diff_paths("foo", ".", Some("foo"));  in test_current_directory()
244         assert_diff_paths("/foo", "/.", Some("foo"));  in test_current_directory()