"github.com/minio/minio/internal/hash/sha256"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/sio"
)

// ObjectKey is a 256 bit secret key used to encrypt the object.
// It must never be stored in plaintext.
type ObjectKey [32]byte

// GenerateKey generates a unique ObjectKey from a 256 bit external key
// and a source of randomness. If random is nil the default PRNG of the
// system (crypto/rand) is used.

    void testWriteParameterWordsWireFormat() {
        byte[] dst = new byte[256];
        int result = response.writeParameterWordsWireFormat(dst, 0);
        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test writeDataWireFormat")
    void testWriteDataWireFormat() {
        byte[] dst = new byte[256];
        int result = response.writeDataWireFormat(dst, 0);
        assertEquals(0, result);

    private static final byte CT_WHITESPACE = 1;

    private static final byte CT_ALPHA = 4;

    private final byte[] ctype;

    private static byte[] defaultCtype = new byte[256];

    private final String str;

    private int colno = 0;

    private int ttype = TT_NOTHING;

    private String sval;

    private char[] buf = new char[20];

    private int peekc = NEED_CHAR;

    }

    @Test
    @DisplayName("Should write empty bytes to wire format")
    void testWriteBytesWireFormat() {
        // Given
        byte[] buffer = new byte[256];
        int offset = 10;

        // When
        int bytesWritten = response.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(0, bytesWritten);
    }

    @Test

        private byte[] createCompoundMessage() {
            byte[] buffer = new byte[256];
            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);
            SMBUtil.writeInt4(128, buffer, 20); // next command offset
            return buffer;
        }

        private byte[] createMisalignedCompoundMessage() {
            byte[] buffer = new byte[256];
            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);

     * @param klen the length of the key to use
     */
    public void init(final byte[] key, final int ki, final int klen) {
        s = new byte[256];

        for (i = 0; i < 256; i++) {
            s[i] = (byte) i;
        }

        for (i = j = 0; i < 256; i++) {
            j = j + key[ki + i % klen] + s[i] & 0xff;
            final byte t = s[i];
            s[i] = s[j];
            s[j] = t;
        }

    }

    @Test
    @DisplayName("Test writeParameterWordsWireFormat for primary NT transaction")
    void testWriteParameterWordsWireFormatPrimary() {
        byte[] dst = new byte[256];

        // Set up transaction parameters
        transaction.setMaxSetupCount((byte) 2);
        transaction.setTotalParameterCount(100);
        transaction.setTotalDataCount(200);

        assertEquals(0, response.getDataRemaining());
    }

    @Test
    @DisplayName("Should write empty bytes to wire format")
    void testWriteBytesWireFormat() {
        // Given
        byte[] buffer = new byte[256];
        int offset = 10;

        // When
        int bytesWritten = response.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(0, bytesWritten);
    }

    void testCompleteWireFormatWriting() {
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.FS_SIZE_INFO);

        byte[] setupBuffer = new byte[256];
        byte[] paramBuffer = new byte[256];
        byte[] dataBuffer = new byte[256];

        int setupWritten = trans2QueryFSInfo.writeSetupWireFormat(setupBuffer, 0);
        int paramWritten = trans2QueryFSInfo.writeParametersWireFormat(paramBuffer, 0);

            when(mockLock.encode(any(byte[].class), anyInt())).thenReturn(24);

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, locks);
            byte[] buffer = new byte[256];

            int bytesWritten = req.writeBytesWireFormat(buffer, 0);

            // Verify structure
            assertEquals(48, SMBUtil.readInt2(buffer, 0)); // Structure size