michael@0: // A Set iterator does not visit entries removed by clear().
michael@0: 
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var s = Set();
michael@0: var it = s[std_iterator]();
michael@0: s.clear();
michael@0: assertIteratorDone(it, undefined);
michael@0: 
michael@0: s = Set(["a", "b", "c", "d"]);
michael@0: it = s[std_iterator]();
michael@0: assertIteratorNext(it, "a");
michael@0: s.clear();
michael@0: assertIteratorDone(it, undefined);
michael@0: 
michael@0: var log = "";
michael@0: s = Set(["a", "b", "c", "d"]);
michael@0: for (var v of s) {
michael@0:     log += v;
michael@0:     if (v == "b")
michael@0:         s.clear();
michael@0: }
michael@0: assertEq(log, "ab");