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| PASS offsetParent must return the offset parent in the same shadow tree of open mode |
| PASS offsetParent must return the offset parent in the same shadow tree of closed mode |
| PASS offsetParent must return the offset parent in the same shadow tree of open mode even when nested |
| PASS offsetParent must return the offset parent in the same shadow tree of closed mode even when nested |
| PASS offsetParent must skip offset parents of an element when the context object is assigned to a slot in a shadow tree of open mode |
| PASS offsetParent must skip offset parents of an element when the context object is assigned to a slot in a shadow tree of closed mode |
| PASS offsetParent must skip multiple offset parents of an element when the context object is assigned to a slot in a shadow tree of open mode |
| PASS offsetParent must skip multiple offset parents of an element when the context object is assigned to a slot in a shadow tree of closed mode |
| PASS offsetParent must skip offset parents of an element when the context object is assigned to a slot in nested shadow trees of open mode |
| PASS offsetParent must skip offset parents of an element when the context object is assigned to a slot in nested shadow trees of closed mode |
| PASS offsetParent must find the first offset parent which is a shadow-including ancestor of the context object even some shadow tree of open mode did not have any offset parent |
| PASS offsetParent must find the first offset parent which is a shadow-including ancestor of the context object even some shadow tree of closed mode did not have any offset parent |
| PASS offsetParent must return null on a child element of a shadow host for the shadow tree in open mode which is not assigned to any slot |
| PASS offsetParent must return null on a child element of a shadow host for the shadow tree in closed mode which is not assigned to any slot |
| PASS offsetParent must return null on a child element of a shadow host for the shadow tree in open mode which is not in the flat tree |
| PASS offsetParent must return null on a child element of a shadow host for the shadow tree in closed mode which is not in the flat tree |
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