michael@0: // for-of works on a cross-compartment wrapper of a Map.
michael@0: 
michael@0: var g = newGlobal();
michael@0: var mw = g.eval("Map([['a', 1], ['b', 2]])");
michael@0: var log = '';
michael@0: for (let [k, v] of mw)
michael@0:     log += k + v;
michael@0: assertEq(log, "a1b2");