michael@0: // Clearing an empty Set has no effect.
michael@0: 
michael@0: var s = Set();
michael@0: for (var i = 0; i < 2; i++) {
michael@0:     s.clear();
michael@0:     assertEq(s.size, 0);
michael@0:     assertEq(s.has(undefined), false);
michael@0: }