From English Wikipedia @ Freddythechick
local tests = require('Module:UnitTests')
local bn_translit = require('Module:Sandbox/Aftabuzzaman/Test')
function tests:do_test_translit(beng, roman, xlit)
self:equals('<span class="Beng" lang="bn">[[' .. mw.ustring.gsub(beng, "%+", "") .. '#Bengali|' .. mw.ustring.gsub(beng, "%+", "") .. ']]</span>', bn_translit.tr(beng, 'bn', 'Beng'), roman)
end
function tests:test_translit_bengali()
self:do_test_translit('1', '১')
self:do_test_translit('F', 'ফেব্রুয়ারি')
self:do_test_translit('february', 'ফেব্রুয়ারি')
end
return tests