// For now, we rely on instance mocks provided by MockitoExtension
    }

    @Nested
    class ConstructorTests {

        @Test
        public void testConstructorWithValidUrl() throws MalformedURLException {
            // Test basic constructor with a valid SMB URL
            String url = "smb1://server/share/file.txt";
            SmbFile smbFile = new SmbFile(url);