}

    @Test
    void testPopulateWithLongHostname() throws Exception {
        // Create a temporary lmhosts file with long hostname
        String longHostname = "VERYLONGHOSTNAMETHATSHOULDSTILLWORK";
        File lmhostsFile = tempDir.resolve("lmhosts_long").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 " + longHostname + "\n");
        }