*/
    @ParameterizedTest
    @DisplayName("name-based filter matches .txt case-insensitively")
    @CsvSource({ "notes.txt,true", "REPORT.TXT,true", "image.png,false", "archive.tar.gz,false", "txt,false" })
    void nameBasedFilterTxt(String name, boolean expected) throws Exception {
        SmbFilenameFilter filter = (dir, n) -> n != null && n.toLowerCase().endsWith(".txt");

        boolean result = filter.accept(mockDir, name);