add test for object input
add test for object input

GerHobbelt/TinyColor,pandabamboo90/TinyColor,bgrins/TinyColor,weepy/TinyColor,mwcz/TinyColor,weepy/TinyColor,bgrins/TinyColor,dabassett/TinyColor,vxvinh1511/TinyColor,dabassett/TinyColor,vxvinh1511/TinyColor,mwcz/TinyColor,pandabamboo90/TinyColor,GerHobbelt/TinyColor