var inherit_missing = require("inherit_missing"); a = inherit_missing.new_Foo() b = new inherit_missing.Bar() c = new inherit_missing.Spam() x = inherit_missing.do_blah(a) if (x != "Foo::blah") throw new Error("Whoa! Bad return {}".format(x)) x = inherit_missing.do_blah(b) if (x != "Bar::blah") throw new Error("Whoa! Bad return {}".format(x)) x = inherit_missing.do_blah(c) if (x != "Spam::blah") throw new Error("Whoa! Bad return {}".format(x)) inherit_missing.delete_Foo(a)