require("import") -- the import fn | |
import("abstract_access") -- import code | |
-- catch "undefined" global variables | |
setmetatable(getfenv(),{__index=function (t,i) error("undefined global variable `"..i.."'",2) end}) | |
-- trying to instantiate pure virual classes | |
-- should fail | |
assert(pcall(abstract_access.A)==false) | |
assert(pcall(abstract_access.B)==false) | |
assert(pcall(abstract_access.C)==false) | |
-- instantiate object | |
d=abstract_access.D() | |
--call fn | |
assert(d:do_x()==1) |