assertThat(b.connectionPool).isSameAs(a.connectionPool)
    assertThat(b.sslSocketFactory).isSameAs(a.sslSocketFactory)
    assertThat(b.x509TrustManager).isSameAs(a.x509TrustManager)
  }

  @Test fun setProtocolsRejectsHttp10() {
    val builder = OkHttpClient.Builder()
    assertFailsWith<IllegalArgumentException> {
      builder.protocols(listOf(Protocol.HTTP_1_0, Protocol.HTTP_1_1))
    }
  }