michael@0: // Removing many Set entries does not cause a live iterator to skip any of the
michael@0: // entries that were not removed. (Compacting a Set must not be observable to
michael@0: // script.)
michael@0: 
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var set = Set();
michael@0: for (var i = 0; i < 32; i++)
michael@0:     set.add(i);
michael@0: var iter = set[std_iterator]();
michael@0: assertIteratorNext(iter, 0);
michael@0: for (var i = 0; i < 30; i++)
michael@0:     set.delete(i);
michael@0: assertEq(set.size, 2);
michael@0: for (var i = 32; i < 100; i++)
michael@0:     set.add(i);  // eventually triggers compaction
michael@0: 
michael@0: for (var i = 30; i < 100; i++)
michael@0:     assertIteratorNext(iter, i);
michael@0: assertIteratorDone(iter, undefined);