assertThat(response.header("content-length")).isEqualTo("5")
    val request = server.takeRequest()
    assertThat(request.requestLine).isEqualTo("HEAD /foo HTTP/2")
  }

  @Test
  fun emptyResponse() {
    server.enqueue(MockResponse())
    val call = client.newCall(Request(server.url("/foo")))
    val response = call.execute()
    assertThat(response.body.byteStream().read()).isEqualTo(-1)