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// This file was written by Andy Wingo <wingo@igalia.com> and originally
// contributed to V8 as generators-objects.js, available here:
//
// http://code.google.com/p/v8/source/browse/branches/bleeding_edge/test/mjsunit/harmony/generators-objects.js
// Test that yield* re-yields received results without re-boxing.
function results(results) {
var i = 0;
function next() {
return results[i++];
}
var iter = { next: next }
var ret = {};
ret[Symbol.iterator] = function () { return iter; }
return ret;
}
function* yield_results(expected) {
return yield* results(expected);
}
function collect_results(iterable) {
var ret = [];
var result;
var iter = iterable[Symbol.iterator]();
do {
result = iter.next();
ret.push(result);
} while (!result.done);
return ret;
}
// We have to put a full result for the end, because the return will re-box.
var expected = [{value: 1}, {value: 34, done: true}];
// Sanity check.
assertDeepEq(expected, collect_results(results(expected)));
assertDeepEq(expected, collect_results(yield_results(expected)));
if (typeof reportCompare == "function")
reportCompare(true, true);
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