LayoutTests/imported/w3c/web-platform-tests/css/css-position/parsing/top-valid-expected.txt

PASS e.style['top'] = "auto" should set the property value 
PASS e.style['top'] = "-10px" should set the property value 
PASS e.style['top'] = "-20%" should set the property value 
PASS e.style['top'] = "calc(2em + 3ex)" should set the property value