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