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