diff --git a/cli/src/filterer/globset.rs b/cli/src/filterer/globset.rs
index 3ccbd0f7..cf3a3590 100644
--- a/cli/src/filterer/globset.rs
+++ b/cli/src/filterer/globset.rs
@@ -188,6 +188,8 @@ impl Iterator for OsSplit {
 #[test]
 fn os_split_none() {
 	let os = OsString::from("");
+	assert_eq!(os.split(b',').collect::<Vec<OsString>>(), Vec::<OsString>::new());
+
 	let mut split = os.split(b',');
 	assert_eq!(split.next(), None);
 }
@@ -196,6 +198,8 @@ fn os_split_none() {
 #[test]
 fn os_split_one() {
 	let os = OsString::from("abc");
+	assert_eq!(os.split(b',').collect::<Vec<OsString>>(), vec![OsString::from("abc")]);
+
 	let mut split = os.split(b',');
 	assert_eq!(split.next(), Some(OsString::from("abc")));
 	assert_eq!(split.next(), None);
@@ -205,6 +209,12 @@ fn os_split_one() {
 #[test]
 fn os_split_multi() {
 	let os = OsString::from("a,b,c");
+	assert_eq!(os.split(b',').collect::<Vec<OsString>>(), vec![
+		OsString::from("a"),
+		OsString::from("b"),
+		OsString::from("c"),
+	]);
+
 	let mut split = os.split(b',');
 	assert_eq!(split.next(), Some(OsString::from("a")));
 	assert_eq!(split.next(), Some(OsString::from("b")));
@@ -216,6 +226,13 @@ fn os_split_multi() {
 #[test]
 fn os_split_leading() {
 	let os = OsString::from(",a,b,c");
+	assert_eq!(os.split(b',').collect::<Vec<OsString>>(), vec![
+		OsString::from(""),
+		OsString::from("a"),
+		OsString::from("b"),
+		OsString::from("c"),
+	]);
+
 	let mut split = os.split(b',');
 	assert_eq!(split.next(), Some(OsString::from("")));
 	assert_eq!(split.next(), Some(OsString::from("a")));