Examples/test-suite/lua/lua_no_module_global_runme.lua

-- Initially the package should not be loaded
assert(package.loaded["lua_no_module_global"] == nil)

-- Load the module to local variable!
local the_module = require("lua_no_module_global")

-- require should return the module table
assert(the_module.hi_mom ~= nil)
assert(the_module.hi_mom() == "hi mom!")

-- But it should not end up in the global table _G, subject to
-- the -nomoduleglobal swig option.
assert(_G["lua_no_module_global"] == nil)

-- According to the Lua reference manual, require should also
-- store the module table into package.loaded["name"]
assert(package.loaded["lua_no_module_global"] == the_module)
assert(package.loaded["lua_no_module_global"].hi_mom() == "hi mom!")