void readDirectZeroLen() throws Exception {
            SmbFileInputStream in = newStream();
            byte[] buf = new byte[4];
            assertEquals(0, in.readDirect(buf, 0, 0));
            assertEquals(0, in.read(new byte[0]));
        }

        @Test
        @DisplayName("read after close throws 'Bad file descriptor'")
        void readAfterCloseThrows() throws Exception {

func (c *ciphertext) UnmarshalJSON(text []byte) error {
	const (
		IVSize    = 16
		NonceSize = 12

		AES256GCM        = "AES-256-GCM-HMAC-SHA-256"
		CHACHA20POLY1305 = "ChaCha20Poly1305"
	)

	type JSON struct {
		Algorithm string `json:"aead"`
		ID        string `json:"id"`
		IV        []byte `json:"iv"`
		Nonce     []byte `json:"nonce"`
		Bytes     []byte `json:"bytes"`
	}
	var value JSON

     * File end-of-file information class constant.
     */
    byte FILE_ENDOFFILE_INFO = 20;

    /**
     * File basic information class constant.
     */
    byte FILE_BASIC_INFO = 0x4;
    /**
     * File standard information class constant.
     */
    byte FILE_STANDARD_INFO = 0x5;

    /**
     * File internal information class constant.
     */
    byte FILE_INTERNAL_INFO = 0x6;

    /**

        v.add(new DERTaggedObject(true, 2, new DERBitString(new byte[] { apOptions }))); // first byte read by impl
        return new DERSequence(v);
    }

    @Test
    @DisplayName("byte[] ctor: empty token throws PACDecodingException with clear message")
    void byteArrayConstructor_emptyToken_throws() {
        // Arrange
        byte[] empty = new byte[0];

        // Act + Assert

                final Type3Message type3 = new Type3Message(src);
                byte[] lmResponse = type3.getLMResponse();
                if (lmResponse == null) {
                    lmResponse = new byte[0];
                }
                byte[] ntResponse = type3.getNTResponse();
                if (ntResponse == null) {
                    ntResponse = new byte[0];
                }

public interface ByteArrayDataInput extends DataInput {
  @Override
  void readFully(byte[] b);

  @Override
  void readFully(byte[] b, int off, int len);

  // not guaranteed to skip n bytes so result should NOT be ignored
  // use ByteStreams.skipFully or one of the read methods instead
  @Override
  int skipBytes(int n);

  @CanIgnoreReturnValue // to skip a byte
  @Override
  boolean readBoolean();

)

var magicHeaders = []struct {
	header []byte
	f      format
}{
	{
		header: []byte{0x1f, 0x8b, 8},
		f:      formatGzip,
	},
	{
		// Zstd default header.
		header: []byte{0x28, 0xb5, 0x2f, 0xfd},
		f:      formatZstd,
	},
	{
		// Zstd skippable frame header.
		header: []byte{0x2a, 0x4d, 0x18},
		f:      formatZstd,
	},
	{
		// LZ4
		header: []byte{0x4, 0x22, 0x4d, 0x18},
		f:      formatLZ4,
	},

        // save number of bits, casting the long to an array of 8 bytes
        // save low-order byte first.
        for (int i = 0; i < 8; i++) {
            tail[padLen + i] = (byte) (count * 8 >>> 8 * i);
        }

        engineUpdate(tail, 0, tail.length);

        final byte[] result = new byte[16];
        // cast this MD4's context (array of 4 ints) into an array of 16 bytes.

    }

    @Test
    @DisplayName("Test writeBytesWireFormat returns 0")
    void testWriteBytesWireFormat() {
        response = new Smb2QueryDirectoryResponse(mockConfig, (byte) 0x03);
        byte[] dst = new byte[1024];
        int dstIndex = 0;

        int result = response.writeBytesWireFormat(dst, dstIndex);

        assertEquals(0, result);
    }

    @Test

func (x *xlMetaInlineData) replace(key string, value []byte) {
	in := x.afterVersion()
	sz, buf, _ := msgp.ReadMapHeaderBytes(in)
	keys := make([][]byte, 0, sz+1)
	vals := make([][]byte, 0, sz+1)

	// Version plus header...
	plSize := 1 + msgp.MapHeaderSize
	replaced := false
	for range sz {
		var found, foundVal []byte
		var err error
		found, buf, err = msgp.ReadMapKeyZC(buf)