michael@0: // Set.clear is unaffected by deleting/monkeypatching Set.prototype.{delete,iterator}.
michael@0: 
michael@0: var data = ["a", 1, {}];
michael@0: var s1 = Set(data), s2 = Set(data);
michael@0: 
michael@0: delete Set.prototype.delete;
michael@0: delete Set.prototype.iterator;
michael@0: s1.clear();
michael@0: assertEq(s1.size, 0);
michael@0: 
michael@0: Set.prototype.delete = function () { throw "FAIL"; };
michael@0: Set.prototype.iterator = function () { throw "FAIL"; };
michael@0: s2.clear();
michael@0: assertEq(s2.size, 0);