SmbComReadAndX readCmd = invocation.getArgument(0);
                SmbComReadAndXResponse response = invocation.getArgument(1);
                response.dataLength = 1;
                // The response buffer points to the internal tmp buffer
                if (response.b != null && response.off < response.b.length) {
                    response.b[response.off] = 42; // Return byte value 42
                }
                return null;

import kotlin.test.Test
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.BufferedSource
import okio.ByteString.Companion.decodeHex
import okio.ByteString.Companion.encodeUtf8
import okio.IOException
import okio.Source
import okio.buffer

class ResponseBodyTest {
  @Test
  fun sourceEmpty() {

    /**
     * Create new TCP memory region
     *
     * @param buffer memory buffer
     * @param access access permissions (ignored for TCP)
     */
    public TcpMemoryRegion(ByteBuffer buffer, EnumSet<RdmaAccess> access) {
        super(buffer, access);
    }

    @Override
    public void invalidate() {
        // No real invalidation needed for TCP

        byte[] buffer = new byte[37]; // 3 reserved + 8*4 bytes for int4 values + 2 bytes for setupCount
        int bufferIndex = 0;

        // Reserved bytes
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;

        // totalParameterCount = 10
        writeInt4(10, buffer, bufferIndex);
        bufferIndex += 4;

		testReadFile(t, r.File[i], &wt)
	}
}

func TestWriterFlush(t *testing.T) {
	var buf bytes.Buffer
	w := NewWriter(struct{ io.Writer }{&buf})
	_, err := w.Create("foo")
	if err != nil {
		t.Fatal(err)
	}
	if buf.Len() > 0 {
		t.Fatalf("Unexpected %d bytes already in buffer", buf.Len())
	}
	if err := w.Flush(); err != nil {
		t.Fatal(err)
	}
	if buf.Len() == 0 {

    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.namedPipeState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.readDataAvailable = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.numberOfMessages = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

     * Test for the readSetupWireFormat method.
     * It should always return 0.
     */
    @Test
    void testReadSetupWireFormat() {
        byte[] buffer = new byte[10];
        // The method should not read anything and return 0
        assertEquals(0, response.readSetupWireFormat(buffer, 0, 10), "readSetupWireFormat should return 0.");
    }

    /**
     * Test for the readParametersWireFormat method.
     * It should always return 0.

        byte[] buffer = new byte[256];
        int written = trans2FindFirst2.writeParametersWireFormat(buffer, 0);

        assertEquals(0, SMBUtil.readInt2(buffer, 0)); // search attributes
        assertEquals(0, SMBUtil.readInt2(buffer, 2)); // max items
    }

    // Helper method to read string from buffer
    private String readStringFromBuffer(byte[] buffer, int offset, int length) {

        byte[] buffer = new byte[8];
        int bufferIndex = 0;

        SMBUtil.writeInt2(status, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);

    }

    /**
     * Decode a transform header from byte array
     *
     * @param buffer
     *            buffer to decode from
     * @param bufferIndex
     *            offset in buffer
     * @return new transform header instance
     */
    public static Smb2TransformHeader decode(final byte[] buffer, int bufferIndex) {
        final Smb2TransformHeader header = new Smb2TransformHeader();