BufferCache.releaseBuffer(buffer);
        }

        // Then - Should be able to get buffers again
        byte[] newBuffer = BufferCache.getBuffer();
        assertNotNull(newBuffer, "Should be able to get buffer after release");
        assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, newBuffer.length, "Buffer should have correct size");
    }

    /**
     * Test that invalid buffer sizes are rejected during release.

class Trans2QueryFSInformationTest {

    /** Small helper to create a byte buffer larger than the maximum expected
     *  wire format so that we can observe only the bytes written by a method.
     */
    private static byte[] newBuffer(int length) {
        // initialise with distinct pattern to detect unused trailing bytes
        byte[] buf = new byte[length];
        Arrays.fill(buf, (byte) 0xFF);
        return buf;
    }

    @Test

			if err != nil {
				return
			}
			buf := bytes.NewBuffer(nil)
			if _, err := io.Copy(buf, r); err != nil {
				continue
			}
			files = append(files, file{header: hdr, content: buf.Bytes()})
		}

		// If we were unable to read anything out of the archive don't
		// bother trying to roundtrip it.
		if len(files) == 0 {
			return
		}

		out := bytes.NewBuffer(nil)
		w := NewWriter(out)
		for _, f := range files {

		switch v := dbValue.(type) {
		case []byte:
			bytesValue = v
		default:
			return fmt.Errorf("failed to unmarshal gob value: %#v", dbValue)
		}
		if len(bytesValue) > 0 {
			decoder := gob.NewDecoder(bytes.NewBuffer(bytesValue))
			err = decoder.Decode(fieldValue.Interface())
		}
	}
	field.ReflectValueOf(ctx, dst).Set(fieldValue.Elem())
	return
}

// Value implements serializer interface

					r, err := file.Open()
					if err != nil {
						return err
					}

					b, err := io.ReadAll(r)
					if err != nil {
						return err
					}
					buf := bytes.NewBuffer(nil)
					if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
						return err
					}

					dec := json.NewDecoder(buf)
					// Use number to preserve integers.
					dec.UseNumber()

	}

	var buf bytes.Buffer
	gob.NewEncoder(&buf).Encode(v)
	encoded := buf.Bytes()
	b.Log("Size:", buf.Len(), "bytes")
	b.SetBytes(1)
	b.ReportAllocs()

	for b.Loop() {
		dec := gob.NewDecoder(bytes.NewBuffer(encoded))
		err := dec.Decode(&v)
		if err != nil {
			b.Fatal(err)
		}
	}
}

func BenchmarkEncodeDiskInfoMsgp(b *testing.B) {
	v := DiskInfo{
		Total:     1000,
		Free:      1000,

	if file != "" {
		distrib := make([][]string, setCount)
		b, err := os.ReadFile(file)
		if err != nil {
			log.Fatalln(err)
		}
		b = bytes.ReplaceAll(b, []byte("\r"), []byte{})
		sc := bufio.NewScanner(bytes.NewBuffer(b))
		for sc.Scan() {
			object = strings.TrimSpace(sc.Text())
			set := sipHashMod(prefix+object, setCount, id)
			distrib[set] = append(distrib[set], prefix+object)
		}
		for set, files := range distrib {

		b, e := io.ReadAll(r)
		if e != nil {
			return nil, e
		}
		b, _, minor, e := checkXL2V1(b)
		if e != nil {
			return nil, e
		}

		buf := bytes.NewBuffer(nil)
		var data xlMetaInlineData
		switch minor {
		case 0:
			_, e = msgp.CopyToJSON(buf, bytes.NewReader(b))
			if e != nil {
				return nil, e
			}
		case 1, 2:
			v, b, e := msgp.ReadBytesZC(b)

	localCh := make(chan event.Event, globalAPIConfig.getRequestsPoolCapacity())

	// Convert local messages to JSON and send to mergeCh
	go func() {
		buf := bytes.NewBuffer(grid.GetByteBuffer()[:0])
		enc := json.NewEncoder(buf)
		tmpEvt := struct{ Records []event.Event }{[]event.Event{{}}}
		for {
			select {
			case ev := <-localCh:
				buf.Reset()
				tmpEvt.Records[0] = ev

		}
		tt.f(reader)
		err := reader.UnreadRune()
		if err == nil {
			t.Errorf("Unreading after %s: expected error", tt.name)
		}
	}
}

func TestReaderDoubleUnreadRune(t *testing.T) {
	buf := NewBuffer([]byte("groucho"))
	if _, _, err := buf.ReadRune(); err != nil {
		// should not happen
		t.Fatal(err)
	}
	if err := buf.UnreadByte(); err != nil {
		// should not happen
		t.Fatal(err)
	}