AtomicLong count = new AtomicLong(0);
    ImmutableLongArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo(count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableLongArray.of().stream().forEach(i -> fail());
    ImmutableLongArray.of(0, 1, 3).subArray(1, 1).stream().forEach(i -> fail());

    ImmutableDoubleArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo((double) count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableDoubleArray.of().stream().forEach(i -> fail());
    ImmutableDoubleArray.of(0, 1, 3).subArray(1, 1).stream().forEach(i -> fail());
    assertThat(ImmutableDoubleArray.of(0, 1, 3).stream().toArray())

    AtomicInteger count = new AtomicInteger(0);
    ImmutableIntArray.of(0, 1, 2, 3).forEach(i -> assertThat(i).isEqualTo(count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableIntArray.of().stream().forEach(i -> fail());
    ImmutableIntArray.of(0, 1, 3).subArray(1, 1).stream().forEach(i -> fail());

    ImmutableDoubleArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo((double) count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableDoubleArray.of().stream().forEach(i -> fail());
    ImmutableDoubleArray.of(0, 1, 3).subArray(1, 1).stream().forEach(i -> fail());
    assertThat(ImmutableDoubleArray.of(0, 1, 3).stream().toArray())

  // from the perspective of a single peer.
  private val random = Random(0)
  private val taskFaker = TaskFaker()
  private val sockets = inMemorySocketPair(8192L)
  private val client = TestStreams(taskFaker, sockets[0], client = true)
  private val server = TestStreams(taskFaker, sockets[1], client = false)

  @BeforeEach
  fun setUp() {
    client.initWebSocket(random)
    server.initWebSocket(random)
  }

  @AfterEach