headerTableSizeSetting = 4096,
    )

  @Throws(IOException::class)
  fun readConnectionPreface(handler: Handler) {
    if (client) {
      // The client reads the initial SETTINGS frame.
      if (!nextFrame(true, handler)) {
        throw IOException("Required SETTINGS preface not received")
      }
    } else {
      // The server reads the CONNECTION_PREFACE byte string.

    assertThat(synStream.headerBlock).isEqualTo(headerEntries("b", "banana"))
    val requestData = peer.takeFrame()
    assertArrayEquals("c3po".toByteArray(), requestData.data)
    val nextFrame = peer.takeFrame()
    assertThat(nextFrame.headerBlock).isEqualTo(headerEntries("e", "elephant"))
  }

  @Test fun clientCreatesStreamAndServerRepliesWithFin() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())

      var streamErrorCode = ErrorCode.INTERNAL_ERROR
      var errorException: IOException? = null
      try {
        reader.readConnectionPreface(this)
        while (reader.nextFrame(false, this)) {
        }
        connectionErrorCode = ErrorCode.NO_ERROR
        streamErrorCode = ErrorCode.CANCEL
      } catch (e: IOException) {
        errorException = e

		SkipHeaderCheck: false,
		OnIntermediate:  controlHandler,
	}
	readDataInto := func(dst []byte, s ws.State, want ws.OpCode) ([]byte, error) {
		dst = dst[:0]
		for {
			hdr, err := wsReader.NextFrame()
			if err != nil {
				return nil, err
			}
			if hdr.OpCode.IsControl() {
				if err := controlHandler(hdr, &wsReader); err != nil {
					return nil, err
				}
				continue
			}

        String expectedNextName = "SERVER15";
        when(mockAddress.nextCalledName(mockContext)).thenReturn(expectedNextName);

        // When
        String nextName = mockAddress.nextCalledName(mockContext);

        // Then
        assertEquals(expectedNextName, nextName, "Should return next called name");
        // Note: nextCalledName can return null when no more names available
    }