michael@0: // Sets can hold at least 64K values.
michael@0: 
michael@0: var N = 1 << 16;
michael@0: var s = new Set;
michael@0: for (var i = 0; i < N; i++)
michael@0:     assertEq(s.add(i), undefined);
michael@0: for (var i = 0; i < N; i++)
michael@0:     assertEq(s.has(i), true);