public void testOfToString() {
    assertEquals("[yam, bam, jam, ham]", FluentIterable.of("yam", "bam", "jam", "ham").toString());
  }

  public void testToString() {
    assertEquals("[]", FluentIterable.from(emptyList()).toString());
    assertEquals("[]", FluentIterable.<String>of().toString());

    assertEquals(
        "[yam, bam, jam, ham]", FluentIterable.from(asList("yam", "bam", "jam", "ham")).toString());
  }

    peer.sendFrame().ping(true, Http2Connection.AWAIT_PING, 0) // PONG
    peer.play()

    // Play it back.
    val connection = connect(peer)
    val stream = connection.newStream(headerEntries("a", "artichaut"), false)
    connection.writePingAndAwaitPong()
    assertThat(stream.takeHeaders()).isEqualTo(headersOf("headers", "bam"))

  }

  public void testToString() {
    List<String> list = emptyList();
    assertEquals("[]", Iterables.toString(list));

    list = newArrayList("yam", "bam", "jam", "ham");
    assertEquals("[yam, bam, jam, ham]", Iterables.toString(list));
  }

  public void testLimit() {
    Iterable<String> iterable = newArrayList("foo", "bar", "baz");

    Vector<Integer> vector = new Vector<>(Ints.asList(ints));
    return vector.elements();
  }

  public void testToString() {
    Iterator<String> iterator = Lists.newArrayList("yam", "bam", "jam", "ham").iterator();
    assertEquals("[yam, bam, jam, ham]", Iterators.toString(iterator));
  }

  public void testToStringWithNull() {
    Iterator<@Nullable String> iterator =