fieldValue := reflect.New(field.FieldType)

	if dbValue != nil {
		var bytes []byte
		switch v := dbValue.(type) {
		case []byte:
			bytes = v
		case string:
			bytes = []byte(v)
		default:
			bytes, err = json.Marshal(v)
			if err != nil {
				return err
			}
		}

		if len(bytes) > 0 {
			err = json.Unmarshal(bytes, fieldValue.Interface())
		}
	}

        // InterfaceIndex (4 bytes)
        bb.putInt(interfaceIndex);

        // Capability (4 bytes)
        bb.putInt(capability);

        // Reserved (4 bytes) - must be 0
        bb.putInt(0);

        // LinkSpeed (8 bytes) - in bits per second
        bb.putLong((long) linkSpeed * 1000000L);

        // SockAddr_Storage (128 bytes)
        encodeSockaddr(buffer, 24);

        return buffer;

					z.Curr.Count, err = dc.ReadFloat64()
					if err != nil {
						err = msgp.WrapError(err, "Curr", "Count")
						return
					}
				case "Bytes":
					z.Curr.Bytes, err = dc.ReadFloat64()
					if err != nil {
						err = msgp.WrapError(err, "Curr", "Bytes")
						return
					}
				default:
					err = dc.Skip()
					if err != nil {
						err = msgp.WrapError(err, "Curr")
						return
					}

			b.Fatal(err)
		}
	}
}

func TestMarshalUnmarshalBytes(t *testing.T) {
	v := Bytes([]byte("abc123123123"))
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	var v2 Bytes
	left, err := v2.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) != 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)

   * except using little-endian byte order.
   *
   * @return the next two bytes of the input stream, interpreted as an unsigned 16-bit integer in
   *     little-endian byte order
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue // to skip some bytes
  @Override
  public int readUnsignedShort() throws IOException {
    byte b1 = readAndCheckByte();

    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);
    assertEquals(hashFunction.hashBytes(bytes), hashFunction.hashBytes(ByteBuffer.wrap(bytes)));
  }

  static void assertHashByteBufferExhaustsBuffer(HashFunction hashFunction) {
    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);

                @Override
                public long bytes() {
                    return KILOBYTE.bytes() * KILOBYTE.bytes();
                }

                @Override
                public String symbol() {
                    return "MB";
                }
            },
            GIGABYTE {
                @Override
                public long bytes() {
                    return MEGABYTE.bytes() * KILOBYTE.bytes();

package cmd

import (
	"bytes"
	"testing"

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

func TestMarshalUnmarshalmetacache(t *testing.T) {
	v := metacache{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

      ByteSource
  {

    final byte[] bytes;
    final int offset;
    final int length;

    ByteArrayByteSource(byte[] bytes) {
      this(bytes, 0, bytes.length);
    }

    // NOTE: Preconditions are enforced by slice, the only non-trivial caller.
    ByteArrayByteSource(byte[] bytes, int offset, int length) {
      this.bytes = bytes;
      this.offset = offset;
      this.length = length;

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  short readShort();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  int readUnsignedShort();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  char readChar();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  int readInt();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  long readLong();