test to check show_dir_name properly quotes name

tests/by-util/test_ls.rs

@@ -4950,3 +4950,18 @@ fn test_ls_color_clear_to_eol() {
  // cspell:disable-next-line
  result.stdout_contains("\x1b[0m\x1b[31;42mzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.foo\x1b[0m\x1b[K");
 }
+
+#[test]
+fn test_ls_quotes_dirname_when_a_column_exists() {
+ let scene = TestScenario::new(util_name!());
+ let at = &scene.fixtures;
+ //create a folder with a column in it.
+ at.mkdir("dir:name");
+ at.touch("dir:name/file1");
+ scene
+ .ucmd()
+ .arg("-R")
+ .arg("--quoting=shell-escape")
+ .succeeds()
+ .stdout_contains("'./dir:name'");
+}