Module:ISO 639/sandbox/testcases

local p = require('Module:UnitTests')

local ISO_639 = require('Module:ISO_639/sandbox')

function p:test_something()
	local cases = {
		{'en', 'English'},
		{'ang', 'Old English'},
		{'zh', 'Chinese'},
		{'zh-hant', 'Traditional Chinese'},
		{'zh-hans', 'Simplified Chinese'},
		-- unrecognised
		{'wtfbbq', nil},
		-- actual language names are a fail too
		{'English', nil},
	};
	
	for _, case in pairs(cases) do
		local actual = ISO_639.language_name(case[1])
		self:equals( case[1] .. '→' .. (case[2] or 'nil'),
			actual, case[2] )
	end
end

return p