michael@0: // Modifying an array returned by mapiter.next() does not modify the Map.
michael@0: 
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var map = Map([['a', 1]]);
michael@0: var res = map[std_iterator]().next();
michael@0: assertIteratorResult(res, ['a', 1], false);
michael@0: res.value[0] = 'b';
michael@0: res.value[1] = 2;
michael@0: assertIteratorResult(res, ['b', 2], false);
michael@0: assertEq(map.get('a'), 1);
michael@0: assertEq(map.has('b'), false);
michael@0: assertEq(map.size, 1);