}

    @Test
    void testCaseInsensitivity() throws Exception {
        // Create a temporary lmhosts file with lowercase hostname
        File lmhostsFile = tempDir.resolve("lmhosts_case").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 hostname\n");
        }