fun urlWithBadAsciiHost() {
    assertFailsWith<IllegalArgumentException> {
      "http://host\u0001/".toHttpUrl()
    }
  }

  @Suppress("DEPRECATION_ERROR")
  @Test
  fun setSslSocketFactoryFailsOnJdk9() {
    platform.assumeJdk9()
    assertFailsWith<UnsupportedOperationException> {
      client
        .newBuilder()
        .sslSocketFactory(handshakeCertificates.sslSocketFactory())
    }