ipv4_2,
    )
  }

  @Test fun getHostString() {
    // Name proxy specification.
    var socketAddress = InetSocketAddress.createUnresolved("host", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("host")
    socketAddress = InetSocketAddress.createUnresolved("127.0.0.1", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")

    // InetAddress proxy specification.

    // Define a single Proxy at myproxy:8008 that will artificially move during the test
    val proxySelector = RecordingProxySelector()
    val socketAddress = InetSocketAddress.createUnresolved("myproxy", 8008)
    proxySelector.proxies.add(Proxy(Proxy.Type.HTTP, socketAddress))

    // Define two host names for the DNS routing of fake proxy servers

      override val nonDefaultValue: java.net.Proxy? = java.net.Proxy.NO_PROXY

      override val badValue: java.net.Proxy? =
        java.net.Proxy(Proxy.Type.HTTP, InetSocketAddress.createUnresolved("proxy.example.com", 1003))

      override fun isDefaultValue(value: java.net.Proxy?): Boolean = value == null
    }

    object ProxySelectorOverride : Override<ProxySelector> {