Changes to crates/globset/src/pathutil.rs. All files

crates/globset/src/pathutil.rs

@@ -1,6 +1,6 @@ use std::borrow::Cow; -use bstr::{ByteSlice, ByteVec};+use bstr::ByteSlice;  /// The final component of the path, if it is a normal file. ///@@ -13,11 +13,7 @@ pub(crate) fn file_name<'a>(path: &Cow<'a, [u8]>) -> Option<Cow<'a, [u8]>> {     let last_slash = path.rfind_byte(b'/').map(|i| i + 1).unwrap_or(0);     let got = match *path {         Cow::Borrowed(path) => Cow::Borrowed(&path[last_slash..]),-        Cow::Owned(ref path) => {-            let mut path = path.clone();-            path.drain_bytes(..last_slash);-            Cow::Owned(path)-        }+        Cow::Owned(ref path) => Cow::Owned(path[last_slash..].to_vec()),     };     if got == &b".."[..] {         return None;@@ -53,11 +49,7 @@ pub(crate) fn file_name_ext<'a>(     };     Some(match *name {         Cow::Borrowed(name) => Cow::Borrowed(&name[last_dot_at..]),-        Cow::Owned(ref name) => {-            let mut name = name.clone();-            name.drain_bytes(..last_dot_at);-            Cow::Owned(name)-        }+        Cow::Owned(ref name) => Cow::Owned(name[last_dot_at..].to_vec()),     }) } @@ -90,7 +82,23 @@ mod tests {      use bstr::{B, ByteVec}; -    use super::{file_name_ext, normalize_path};+    use super::{file_name, file_name_ext, normalize_path};++    macro_rules! name {+        ($name:ident, $path:expr, $expected:expr) => {+            #[test]+            fn $name() {+                let bs = Vec::from($path);+                let got = file_name(&Cow::Owned(bs));+                assert_eq!($expected.map(|s| Cow::Borrowed(B(s))), got);+            }+        };+    }++    name!(name1, "foo/bar", Some("bar"));+    name!(name2, "foo", Some("foo"));+    name!(name3, "foo/..", None::<&str>);+    name!(name4, "", None::<&str>);      macro_rules! ext {         ($name:ident, $file_name:expr, $ext:expr) => {