// concurrently, check for it before we
				// write the filler byte.
				select {
				case err := <-doneCh:
					if err != nil {
						write([]byte{1})
						write([]byte(err.Error()))
					} else {
						write([]byte{0})
					}
					return
				default:
				}

				// Response not ready, write a filler byte.
				write([]byte{32})
				if canWrite {
					xhttp.Flush(w)
				}

    void testWriteSetupWireFormat() {
        byte[] buffer = new byte[100];
        int result = response.writeSetupWireFormat(buffer, 0);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test writeParametersWireFormat returns 0")
    void testWriteParametersWireFormat() {
        byte[] buffer = new byte[100];
        int result = response.writeParametersWireFormat(buffer, 0);

            // Arrange: revision=1, count=2, identAuth zeros except last byte, subauth 10, 20
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 5 };
            rpc.sid_t st = buildSidT((byte) 1, ident, 10, 20);

            byte[] bytes = SID.toByteArray(st);

            // Act: construct from bytes and re-encode
            SID sid = new SID(bytes, 0);
            byte[] roundTrip = sid.toByteArray();

            // Assert

        assertEquals("guest", accountName);
        assertEquals("DOM", primaryDomain);

        byte[] lm = (byte[]) getField(obj, "lmHash");
        byte[] nt = (byte[]) getField(obj, "ntHash");
        assertArrayEquals(new byte[0], lm);
        assertArrayEquals(new byte[0], nt);
    }

    @Test
    void unsupportedCredentialType() {

        assertEquals(60000, request.getTimeoutMs());
        assertFalse(request.isPersistent());
    }

    @Test
    public void testDurableHandleReconnect() {
        byte[] fileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId[i] = (byte) (i + 1);
        }

        DurableHandleReconnect reconnect = new DurableHandleReconnect(fileId);

        assertEquals("DHnC", new String(reconnect.getName()));

        dst[dstIndex++] = (byte) (val >> 24);
    }

    private void writeInt8(long val, byte[] dst, int dstIndex) {
        dst[dstIndex++] = (byte) val;
        dst[dstIndex++] = (byte) (val >> 8);
        dst[dstIndex++] = (byte) (val >> 16);
        dst[dstIndex++] = (byte) (val >> 24);
        dst[dstIndex++] = (byte) (val >> 32);
        dst[dstIndex++] = (byte) (val >> 40);
        dst[dstIndex++] = (byte) (val >> 48);

    }

    @Test
    @DisplayName("Test decode method with valid buffer")
    void testDecodeWithValidBuffer() throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[256];
        int bufferIndex = 0;
        int expectedLength = 100;

        when(messageBlock.decode(buffer, bufferIndex)).thenReturn(expectedLength);

        // When

        assertNull(serverData.guid);
    }

    /**
     * Test setting and getting byte field (sflags)
     */
    @ParameterizedTest
    @ValueSource(bytes = { 0x00, 0x01, 0x7F, (byte) 0x80, (byte) 0xFF })
    @DisplayName("Test sflags field with various byte values")
    public void testSflagsField(byte value) {
        // When
        serverData.sflags = value;

        // Then

    }

    /**
     * Returns a new array with the specified byte value appended to the end of the byte array.
     *
     * @param array
     *            the array. Must not be {@literal null}
     * @param value
     *            the value to add
     * @return a new array with the value appended
     */
    public static byte[] add(final byte[] array, final byte value) {
        assertArgumentNotNull("array", array);

	indices := []int{
		bytes.Index(buf.Bytes(), []byte("bar=bar")),
		bytes.Index(buf.Bytes(), []byte("baz=baz")),
		bytes.Index(buf.Bytes(), []byte("foo=foo")),
		bytes.Index(buf.Bytes(), []byte("qux=qux")),
	}
	if !slices.IsSorted(indices) {
		t.Fatal("PAX headers are not sorted")
	}
}

func TestUSTARLongName(t *testing.T) {