michael@0: // Maps can hold at least 64K values.
michael@0: 
michael@0: var N = 1 << 16;
michael@0: var m = new Map;
michael@0: for (var i = 0; i < N; i++)
michael@0:     assertEq(m.set(i, i), undefined);
michael@0: for (var i = 0; i < N; i++)
michael@0:     assertEq(m.get(i), i);