SmbFile smbFile = new SmbFile(url);
            assertNotNull(smbFile);
            assertEquals("smb1://server/share/file.txt", smbFile.getPath());
        }

        @Test
        public void testConstructorWithValidUrlAndAuth() throws MalformedURLException {
            // Test constructor with authentication
            String url = "smb1://user:pass@server/share/file.txt";
            SmbFile smbFile = new SmbFile(url, mockAuth);