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Unit test of

__get() : test missing
create_dependant_objects() : test missing
create_non_object() : test missing
create_object() : test missing
get_class_name() : test missing
get_object() : test missing
get_object_name() : test missing
get_property() : test missing
load_class() : test missing
register_object() : test missing
set_alias_object() : test missing
unregister_object() : test missing