test method
Implementation
bool test([PathFillRule rule = PathFillRule.nonZero]) {
if (!_expectsMove) {
close();
}
final int mask = (rule == PathFillRule.nonZero) ? -1 : 1;
int nonzero = 0;
for (final w in _windings) {
nonzero |= w & mask;
}
return nonzero != 0;
}