roots property
Returns the root SemanticsNodes of all the semantics trees that this finder will search.
Implementation
Iterable<SemanticsNode> get roots {
if (view == null) {
return _allRoots;
}
final RenderView renderView = TestWidgetsFlutterBinding.instance.renderViews.firstWhere(
(RenderView r) => r.flutterView == view,
);
return <SemanticsNode>[renderView.owner!.semanticsOwner!.rootSemanticsNode!];
}