The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_6/Generators/delegating-yield-12.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,49 @@
     1.4 +// yield* calls @@iterator on the iterable to produce the iterator.
     1.5 +
     1.6 +var log = '';
     1.7 +
     1.8 +function IteratorWrapper(iterator) {
     1.9 +    return {
    1.10 +        next: function (val) {
    1.11 +            log += 'n';
    1.12 +            return iterator.next(val);
    1.13 +        },
    1.14 +
    1.15 +        throw: function (exn) {
    1.16 +            log += 't';
    1.17 +            return iterator.throw(exn);
    1.18 +        }
    1.19 +    };
    1.20 +}
    1.21 +
    1.22 +function IterableWrapper(iterable) {
    1.23 +    var ret = {};
    1.24 +
    1.25 +    ret[std_iterator] = function () {
    1.26 +        log += 'i';
    1.27 +        return IteratorWrapper(iterable[std_iterator]());
    1.28 +    }
    1.29 +
    1.30 +    return ret;
    1.31 +}
    1.32 +
    1.33 +function* delegate(iter) { return yield* iter; }
    1.34 +
    1.35 +var iter = delegate(IterableWrapper([1, 2, 3]));
    1.36 +assertIteratorNext(iter, 1);
    1.37 +assertIteratorNext(iter, 2);
    1.38 +assertIteratorNext(iter, 3);
    1.39 +assertIteratorDone(iter, undefined);
    1.40 +
    1.41 +assertEq(log, 'innnn');
    1.42 +
    1.43 +iter = delegate([1, 2, 3]);
    1.44 +assertIteratorNext(iter, 1);
    1.45 +assertIteratorNext(iter, 2);
    1.46 +assertIteratorNext(iter, 3);
    1.47 +assertIteratorDone(iter, undefined);
    1.48 +
    1.49 +assertEq(log, 'innnn');
    1.50 +
    1.51 +if (typeof reportCompare == "function")
    1.52 +    reportCompare(true, true);