)
  }

  @Test fun singleIpv4() {
    val result = reorderForHappyEyeballs(listOf(ipv4_10_0_0_6))

    assertThat(result).isEqualTo(
      listOf(ipv4_10_0_0_6),
    )
  }

  @Test fun prioritiseIpv6() {
    val result = reorderForHappyEyeballs(listOf(ipv4_10_0_0_6, ipv6_ab))

    assertThat(result).isEqualTo(
      listOf(ipv6_ab, ipv4_10_0_0_6),
    )
  }