1 files changed, 10 insertions, 0 deletions
diff --git a/library/std/src/sys/unix/os_str/tests.rs b/library/std/src/sys/unix/os_str/tests.rs
new file mode 100644
index 00000000000..37967378155
--- /dev/null
+++ b/library/std/src/sys/unix/os_str/tests.rs
@@ -0,0 +1,10 @@
+use super::*;
+
+#[test]
+fn slice_debug_output() {
+    let input = Slice::from_u8_slice(b"\xF0hello,\tworld");
+    let expected = r#""\xF0hello,\tworld""#;
+    let output = format!("{:?}", input);
+
+    assert_eq!(output, expected);
+}