customRequest.setFileId(testFileId);

        // Then
        assertArrayEquals(testFileId, customRequest.getFileId(), "Custom implementation should store file ID correctly");
        assertEquals(1, customRequest.getSetCount(), "Should track set count correctly");
    }

    if not user_dict:
        raise HTTPException(status_code=400, detail="Incorrect username or password")
    user = UserInDB(**user_dict)
    hashed_password = fake_hash_password(form_data.password)
    if not hashed_password == user.hashed_password:
        raise HTTPException(status_code=400, detail="Incorrect username or password")

    return {"access_token": user.username, "token_type": "bearer"}

import jcifs.CIFSException;

class NbtExceptionTest {

    /**
     * Test the constructor of NbtException.
     * It should correctly set errorClass and errorCode, and the message should be derived from getErrorString.
     */
    @Test
    @DisplayName("NbtException constructor should correctly set error class, error code, and message")
    void testConstructor() {
        int errorClass = NbtException.ERR_NAM_SRVC;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * Test for EnhancedCompositeBeanHelper to ensure it works correctly and provides performance benefits.
 */
class EnhancedCompositeBeanHelperTest {

    private EnhancedCompositeBeanHelper helper;
    private ConverterLookup converterLookup;
    private ExpressionEvaluator evaluator;

            "A device attached to the system is not functioning.", "Incorrect function.", "The parameter is incorrect.",
            "Invalid access to memory location.", "The handle is invalid.", "The parameter is incorrect.",
            "The system cannot find the file specified.", "The system cannot find the file specified.", "End of file",

            return 0;
        }
    }

    @Nested
    @DisplayName("Interface Contract Tests")
    class InterfaceContractTests {

        @Test
        @DisplayName("Interface should be correctly implemented by mock")
        void testInterfaceImplementation() {
            CreateContextResponse response = mock(CreateContextResponse.class);
            assertNotNull(response);

        // Then - verify command is set correctly using reflection
        Field commandField = ServerMessageBlock2.class.getDeclaredField("command");
        commandField.setAccessible(true);
        int command = (int) commandField.get(req);

        assertEquals(0x0003, command); // SMB2_TREE_CONNECT command value

        // Verify path is set correctly

        request = new Smb2CloseRequest(mockConfig, testFileId, testFileName);
    }

    @Test
    @DisplayName("Constructor with fileId and fileName should initialize correctly")
    void testConstructorWithFileIdAndFileName() throws Exception {
        // Verify command is set correctly (SMB2_CLOSE = 0x0006)
        Field commandField = ServerMessageBlock2.class.getDeclaredField("command");
        commandField.setAccessible(true);

                Arguments.of(0x7FFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x7F }));
    }

    @ParameterizedTest
    @MethodSource("int32Provider")
    @DisplayName("readParameterWordsWireFormat correctly decodes 32-bit offset")
    void testReadParameterWords(int expectedInt, byte[] bytes) {
        // The implementation reads via SMBUtil.readInt4 which returns an int
        // When assigned to a long field, it gets sign-extended

        }
    }

    @Nested
    @DisplayName("Decode Method Tests")
    class DecodeMethodTests {

        @Test
        @DisplayName("Should decode buffer with typical values correctly")
        void shouldDecodeBufferWithTypicalValues() throws SMBProtocolDecodingException {
            // Given - prepare buffer with typical file system values
            ByteBuffer buffer = ByteBuffer.allocate(24);