add test for multicast

test/testmulticast2.lua

@@ -0,0 +1,24 @@
+local skynet = require "skynet"
+local dc = require "datacenter"
+local mc = require "multicast"
+
+skynet.start(function()
+	print("remote start")
+	skynet.monitor("simplemonitor", true)
+	local console = skynet.newservice("console")
+	local channel = dc.get "MCCHANNEL"
+	for i=1,10 do
+		local sub = skynet.newservice("testmulticast", "sub")
+		skynet.call(sub, "lua", "init", channel)
+	end
+	local c = mc.new {
+		channel = channel ,
+		dispatch = function(...) print("======>", ...) end,
+	}
+	c:subscribe()
+	c:publish("Remote message")
+	c:unsubscribe()
+	c:publish("Remote message2")
+	c:delete()
+	skynet.exit()
+end)