/**
     * Encodes a list of AV pairs into byte array format
     *
     * @param pairs the list of AV pairs to encode
     * @return encoded avpairs
     */
    public static byte[] encode(final List<AvPair> pairs) {
        int size = 0;
        for (final AvPair p : pairs) {
            size += 4 + p.getRaw().length;
        }
        size += 4;

        final byte[] enc = new byte[size];
        int pos = 0;

	rb := New(1024)
	data := []byte(strings.Repeat("a", 512))
	buf := make([]byte, 512)

	for b.Loop() {
		rb.Write(data)
		rb.Read(buf)
	}
}

func BenchmarkRingBuffer_AsyncRead(b *testing.B) {
	// Pretty useless benchmark, but it's here for completeness.
	rb := New(1024)
	data := []byte(strings.Repeat("a", 512))
	buf := make([]byte, 512)

	go func() {
		for {
			rb.Read(buf)
		}

    }

    // Helper methods to write data to byte arrays for testing read methods
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }

    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
        dst[dstIndex + 2] = (byte) (val >> 16);

    @Override
    int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {

    return asByteSource(url).asCharSource(charset);
  }

  /**
   * Reads all bytes from a URL into a byte array.
   *
   * @param url the URL to read from
   * @return a byte array containing all the bytes from the URL
   * @throws IOException if an I/O error occurs
   */
  public static byte[] toByteArray(URL url) throws IOException {
    return asByteSource(url).read();
  }

  /**

package cmd

import (
	"fmt"
	"time"

	"github.com/tinylib/msgp/msgp"
)

// unmarshalV unmarshals with a specific header version.
func (x *xlMetaV2VersionHeader) unmarshalV(v uint8, bts []byte) (o []byte, err error) {
	switch v {
	case 1:
		return x.unmarshalV1(bts)
	case 2:
		x2 := xlMetaV2VersionHeaderV2{xlMetaV2VersionHeader: x}
		return x2.UnmarshalMsg(bts)
	case xlHeaderVersion:

    @Override
    int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {

     */
    @Override
    public int getContextType() {
        return NEGO_CTX_ENC_TYPE;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(this.ciphers != null ? this.ciphers.length : 0, dst, dstIndex);
        dstIndex += 2;

        this.maxSetupCount = 0;
    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

    @DisplayName("Should return server GUID")
    void testGetServerGuid() throws Exception {
        // Given
        byte[] guid = new byte[16];
        for (int i = 0; i < 16; i++) {
            guid[i] = (byte) i;
        }
        setPrivateField(response, "serverGuid", guid);

        // When
        byte[] result = response.getServerGuid();

        // Then
        assertArrayEquals(guid, result);
    }