public void testInvertAll()
{
RowKeySetImpl set = _createKeySet(false);
int endOfTrueRange = _initModel(set);
set.invertAll();
// after inverting, all the items in this range should be unselected:
_testAll(set, false, 0, endOfTrueRange);
// after inverting, all the items in this range should be selected:
_testAll(set, true, endOfTrueRange, _TEST_SIZE);
}