Add unit test.
Add unit test.

mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile