mc root source folder cleanup

mc/client/dns_test.go

@@ -0,0 +1,27 @@
+package client
+
+import "testing"
+
+func TestDoDNS(t *testing.T) {
+	type Case struct {
+		Input string
+		Host  string
+		portN uint16
+	}
+	cases := []Case{
+		{"localhost", "localhost", 25565},
+		{"play.hypixel.net", "play.hypixel.net", 25565},
+		{"1f2d.net", "tcpshield.1f2d.net", 25565},
+	}
+	for _, c := range cases {
+		t.Logf("Testing %s", c.Input)
+		_, host, portN, err := DoDns(c.Input)
+		if err != nil {
+			t.Error(err)
+			continue
+		}
+		if host != c.Host || portN != c.portN {
+			t.Errorf("expected %s:%d, got %s:%d", c.Host, c.portN, host, portN)
+		}
+	}
+}