// Add a string with zero slashes: resulting URL gains one slash.
    assertThat(base.newBuilder().addPathSegments("").build().encodedPath)
      .isEqualTo("/a/b/c/")
    assertThat(base.newBuilder().addPathSegments("d").build().encodedPath)
      .isEqualTo("/a/b/c/d")

    // Add a string with one slash: resulting URL gains two slashes.

    take and covers resolving DNS, connecting, writing the request body, server processing, and
    reading the full response body. If a call requires redirects or retries all must complete within
    one timeout period.

    Use `OkHttpClient.Builder.callTimeout()` to specify the default duration and `Call.timeout()` to
    specify the timeout of an individual call.

    assertThat(response.body.string()).isEqualTo("abc")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

    // Note that although we have two routes available, we only use one. The retry is permitted
    // because there are routes available, but it chooses the existing connection since it isn't
    // yet considered unhealthy.
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(1)
  }

   * | `http://[::1]/`       | `"::1"`         |
   * | `http://xn--n3h.net/` | `"xn--n3h.net"` |
   */
  @get:JvmName("host") val host: String,
  /**
   * The explicitly-specified port if one was provided, or the default port for this URL's scheme.
   * For example, this returns 8443 for `https://square.com:8443/` and 443 for
   * `https://square.com/`. The result is in `[1..65535]`.
   *

     * The call timeout spans the entire call: resolving DNS, connecting, writing the request body,
     * server processing, and reading the response body. If the call requires redirects or retries
     * all must complete within one timeout period.
     *
     * The default value is 0 which imposes no timeout.
     */
    fun callTimeout(
      timeout: Long,
      unit: TimeUnit,
    ) = apply {

    // two outgoing writes
    val sink = stream.getSink()
    sink.write(Buffer().writeUtf8("abcde"), 5)
    sink.write(Buffer().writeUtf8("fghij"), 5)
    sink.close()

    // verify the peer received one incoming frame
    assertThat(peer.takeFrame().type).isEqualTo(Http2.TYPE_HEADERS)
    val data = peer.takeFrame()
    assertThat(data.type).isEqualTo(Http2.TYPE_DATA)