* implementation and a Mockito mock to verify interactions.
 */
@ExtendWith(MockitoExtension.class)
public class SmbBasicFileInfoTest {

    /**
     * Simple concrete implementation used for testing return values.
     */
    private static class TestInfo implements SmbBasicFileInfo {
        private final int attributes;
        private final long createTime;
        private final long lastWriteTime;

        assertTrue(conn instanceof Handler.GcsURLConnection);
        Handler.GcsURLConnection gcsConn = (Handler.GcsURLConnection) conn;

        // Use reflection to access private fields for testing
        assertEquals("mybucket", getField(gcsConn, "bucketName"));
        assertEquals("path/to/object.txt", getField(gcsConn, "objectName"));
    }

    /**
     * Test URL parsing with bucket only (no object path).

        // This is a simplified HMAC-MD5 calculation for comparison, not a full RFC 2104 implementation.
        // The HMACT64 implementation is what we are testing.
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        byte[] ipad = new byte[64];
        byte[] opad = new byte[64];

        for (int i = 0; i < key.length; i++) {

            // Simple implementation for testing
            return 0;
        }

        @Override
        protected int writeBytesWireFormat(byte[] dst, int dstIndex) {
            // Simple implementation for testing
            return 0;
        }
    }

    @BeforeEach
    void setUp() {

    }

    @Test
    @DisplayName("Test implementation with concrete mock")
    void testConcreteImplementation() throws SMBProtocolDecodingException {
        // Create a concrete implementation for testing
        CommonServerMessageBlock concreteBlock = new CommonServerMessageBlock() {
            private long mid;
            private int command;
            private SMBSigningDigest digest;

        this(witnessServer, context, new WitnessRpcClient(witnessServer, context));
    }

    /**
     * Creates a new witness client with a custom RPC client (for testing).
     *
     * @param witnessServer the witness server address
     * @param context the CIFS context
     * @param rpcClient the RPC client to use
     */

 * Tests the abstract transformer implementation and its name management functionality.
 */
public class AbstractTransformerTest extends PlainTestCase {

    /**
     * Concrete implementation of AbstractTransformer for testing
     */
    public static class TestTransformer extends AbstractTransformer {
        private int transformCallCount = 0;
        private ResponseData lastResponseData = null;

                Arguments.of(Integer.MIN_VALUE, false));
    }

    // Concrete implementation for testing abstract class
    private static class TestSessionServicePacket extends SessionServicePacket {
        int trailerLength = 10; // Default trailer length for testing
        int trailerBytesRead = 0;

        @Override
        int writeTrailerWireFormat(byte[] dst, int dstIndex) {

    static abstract class BaseCreds implements SmbRenewableCredentials {
        @Override
        public CredentialsInternal clone() {
            // For testing purposes, return this instance (allowed by return type)
            return this;
        }

        @Override

        super(domain, username, password);
        this.canFallback = true;
        this.subject = subject;
    }

    /**
     * Testing only: force fallback to NTLM
     *
     * @param forceFallback
     *            the forceFallback to set
     */
    public void setForceFallback(boolean forceFallback) {