*/
@NullUnmarked
public class AbstractStreamingHasherTest extends TestCase {
  public void testBytes() {
    Sink sink = new Sink(4); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    sink.putByte((byte) 1);
    sink.putBytes(new byte[] {2, 3, 4, 5, 6});
    sink.putByte((byte) 7);
    sink.putBytes(new byte[] {});
    sink.putBytes(new byte[] {8});
    HashCode unused = sink.hash();

        serverData.encryptionKeyLength = 8;
        response.byteCount = 15; // 8 bytes key + 6 bytes "DOMAIN" + 1 null terminator

        // Prepare byte array
        byte[] encryptionKey = "12345678".getBytes();
        byte[] domainNameBytes = "DOMAIN".getBytes(ServerMessageBlock.OEM_ENCODING);
        ByteBuffer buffer = ByteBuffer.allocate(response.byteCount);
        buffer.put(encryptionKey);

    }

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0x12345678, pdis.readInt());
    }

    @Test
    public void testReadLong() throws IOException {

 !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~...

     */
    @Test
    void testConstructorWithError_unknownCode() {
        int errorCode = 0x12345678; // An arbitrary unknown error code
        DcerpcException exception = new DcerpcException(errorCode);

        assertEquals(errorCode, exception.getErrorCode(), "Error code should match the input.");
        assertEquals("0x12345678", exception.getMessage(), "Message should be hex string for unknown error code.");
    }

    /**

        @DisplayName("Should encode UUID correctly")
        void testUuidTEncode() throws NdrException {
            // Given: A UUID with test values
            rpc.uuid_t uuid = new rpc.uuid_t();
            uuid.time_low = 0x12345678;
            uuid.time_mid = (short) 0x9ABC;
            uuid.time_hi_and_version = (short) 0xDEF0;
            uuid.clock_seq_hi_and_reserved = (byte) 0x11;
            uuid.clock_seq_low = (byte) 0x22;

        when(mockNegotiate.getNegotiatedSendBufferSize()).thenReturn(65535);
        when(mockNegotiate.getNegotiatedMpxCount()).thenReturn(65535);
        when(mockNegotiate.getNegotiatedSessionKey()).thenReturn(0x12345678);
    }

    /** Simple test stub of {@link ServerData} */
    private static class ServerDataStub extends ServerData {
        public ServerDataStub() {
            this.security = SmbConstants.SECURITY_USER;

     */
    static java.util.stream.Stream<Arguments> int32Provider() {
        return java.util.stream.Stream.of(Arguments.of(0x00000000, new byte[] { 0x00, 0x00, 0x00, 0x00 }),
                Arguments.of(0x12345678, new byte[] { 0x78, 0x56, 0x34, 0x12 }),
                Arguments.of(0xFFFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),

        assertEquals(0x1234, ServerMessageBlock.readInt2(buffer, 0));
    }

    @Test
    void testInt4ReadWrite() {
        byte[] buffer = new byte[4];
        ServerMessageBlock.writeInt4(0x12345678, buffer, 0);
        assertEquals(0x12345678, ServerMessageBlock.readInt4(buffer, 0));
    }

    @Test
    void testInt8ReadWrite() {
        byte[] buffer = new byte[8];
        long value = 0x123456789ABCDEF0L;

     */
    @Test
    void lockRangeEncodeDecodeRoundTrip() throws Exception {
        LockingAndXRange range = new LockingAndXRange(false);
        setField(range, "pid", 99);
        setField(range, "byteOffset", 123456L);
        setField(range, "lengthInBytes", 654321L);
        byte[] dst = new byte[20];
        int writtenSize = range.encode(dst, 0);
        assertEquals(10, writtenSize, "Range size when not large should be 10");