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// yield* calls @@iterator on the iterable to produce the iterator.
var log = '';
function IteratorWrapper(iterator) {
return {
next: function (val) {
log += 'n';
return iterator.next(val);
},
throw: function (exn) {
log += 't';
return iterator.throw(exn);
}
};
}
function IterableWrapper(iterable) {
var ret = {};
ret[Symbol.iterator] = function () {
log += 'i';
return IteratorWrapper(iterable[Symbol.iterator]());
}
return ret;
}
function* delegate(iter) { return yield* iter; }
var iter = delegate(IterableWrapper([1, 2, 3]));
assertIteratorNext(iter, 1);
assertIteratorNext(iter, 2);
assertIteratorNext(iter, 3);
assertIteratorDone(iter, undefined);
assertEq(log, 'innnn');
iter = delegate([1, 2, 3]);
assertIteratorNext(iter, 1);
assertIteratorNext(iter, 2);
assertIteratorNext(iter, 3);
assertIteratorDone(iter, undefined);
assertEq(log, 'innnn');
if (typeof reportCompare == "function")
reportCompare(true, true);