// private.
		{"local", false},
		{"onion", false},
		{"local.", false},
		{"onion.", false},
	}
	for _, tt := range tests {
		got := avoidDNS(tt.name)
		if got != tt.avoid {
			t.Errorf("avoidDNS(%q) = %v; want %v", tt.name, got, tt.avoid)
		}
	}
}

func TestNameListAvoidDNS(t *testing.T) {
	c := &dnsConfig{search: []string{"go.dev.", "onion."}}
	got := c.nameList("www")