| if (typeof global === 'undefined') { |
| var global = this; |
| } |
| function __createIterableObject(arr, methods) { |
| methods = methods || {}; |
| if (typeof Symbol !== 'function' || !Symbol.iterator) { |
| return {}; |
| } |
| arr.length++; |
| var iterator = { |
| next: function() { |
| return { value: arr.shift(), done: arr.length <= 0 }; |
| }, |
| 'return': methods['return'], |
| 'throw': methods['throw'] |
| }; |
| var iterable = {}; |
| iterable[Symbol.iterator] = function(){ return iterator; } |
| return iterable; |
| } |
| |
| function test() { |
| |
| var iterator = (function * generator() { |
| yield * Object.create(__createIterableObject([5, 6, 7])); |
| }()); |
| var item = iterator.next(); |
| var passed = item.value === 5 && item.done === false; |
| item = iterator.next(); |
| passed &= item.value === 6 && item.done === false; |
| item = iterator.next(); |
| passed &= item.value === 7 && item.done === false; |
| item = iterator.next(); |
| passed &= item.value === undefined && item.done === true; |
| return passed; |
| |
| } |
| |
| if (!test()) |
| throw new Error("Test failed"); |
| |