-- Try catching error from [[Module:IP]] from merge proposal at

-- Wikipedia:Templates_for_discussion/Log/2018_June_19#Module:IP

-- See results on talk page.



local IP = require('Module:IP')

local IPAddress = IP.IPAddress



local function main(frame)

	local results = {}

	for i, ipstr in ipairs({

		'',

		'junk',

		'1.2.3.255',

		'1.2.3.256',

		'1:2:3:4:1FFF:ffff:ffff:ffff',

		'1:2:3:4:1800::',

		'0.0.0.0',

		'0:0:0:0:0:0:0:0',

		'1::ffff:ffff',

		'1::fffff:ffff',

		'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'

	}) do

		local success, ip = pcall(IPAddress.new, ipstr)

		table.insert(results,

				'*"' .. ipstr .. '" is ' ..

				(success and (ip:isIPv4() and 'IPv4' or 'IPv6') or 'invalid')

			)

	end

	return table.concat(results, '\n')

end



return { main = main }