michael@0: // map.iterator() and iter.next() are non-generic but work on cross-compartment wrappers.
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: load(libdir + "eqArrayHelper.js");
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var g = newGlobal();
michael@0: 
michael@0: var iterator_fn = Map.prototype[std_iterator];
michael@0: assertThrowsInstanceOf(function () { iterator_fn.call({}); }, TypeError);
michael@0: assertThrowsInstanceOf(function () { iterator_fn.call(Set()); }, TypeError);
michael@0: var mapw = g.eval("Map([['x', 1], ['y', 2]])");
michael@0: assertEqArray(iterator_fn.call(mapw).next().value, ["x", 1]);
michael@0: 
michael@0: var next_fn = Map()[std_iterator]().next;
michael@0: assertThrowsInstanceOf(function () { next_fn.call({}); }, TypeError);
michael@0: assertThrowsInstanceOf(function () { next_fn.call(Set()[std_iterator]()); }, TypeError);
michael@0: var iterw = mapw[std_iterator]();
michael@0: assertEqArray(next_fn.call(iterw).value, ["x", 1]);
michael@0: assertEqArray(next_fn.call(iterw).value, ["y", 2]);
michael@0: assertEq(next_fn.call(iterw).done, true);