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