js/src/tests/ecma_6/Generators/delegating-yield-11.js@6474c204b198 (annotated)
js/src/tests/ecma_6/Generators/delegating-yield-11.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // The first call to yield* passes one arg to "next". |
| michael@0 | 2 | |
| michael@0 | 3 | function Iter() { |
| michael@0 | 4 | function next() { |
| michael@0 | 5 | if (arguments.length != 1) |
| michael@0 | 6 | throw Error; |
| michael@0 | 7 | return { value: 42, done: true } |
| michael@0 | 8 | } |
| michael@0 | 9 | |
| michael@0 | 10 | this.next = next; |
| michael@0 | 11 | this[std_iterator] = function () { return this; } |
| michael@0 | 12 | } |
| michael@0 | 13 | |
| michael@0 | 14 | function* delegate(iter) { return yield* iter; } |
| michael@0 | 15 | |
| michael@0 | 16 | var iter = delegate(new Iter()); |
| michael@0 | 17 | assertDeepEq(iter.next(), {value:42, done:true}); |
| michael@0 | 18 | |
| michael@0 | 19 | if (typeof reportCompare == "function") |
| michael@0 | 20 | reportCompare(true, true); |
