The Tor Browser / file comparison
comparison: js/src/jit-test/tests/for-of/proxy-2.js
js/src/jit-test/tests/for-of/proxy-2.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:96ce5238bfe2 |
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| 1 // Basic for-of test with Proxy whose iterator method is a generator. | |
| 2 | |
| 3 var arr = ['a', 'b', 'c', 'd']; | |
| 4 var proxy = Proxy.create({ | |
| 5 getPropertyDescriptor: function (name) { | |
| 6 if (name == 'iterator') { | |
| 7 return { | |
| 8 configurable: false, | |
| 9 enumerable: false, | |
| 10 writeable: false, | |
| 11 value: function () { | |
| 12 for (var i = 0; i < arr.length; i++) | |
| 13 yield arr[i]; | |
| 14 } | |
| 15 }; | |
| 16 } | |
| 17 | |
| 18 // Otherwise, inherit the property from arr. | |
| 19 for (var obj = arr; obj; obj = Object.getPrototypeOf(obj)) { | |
| 20 var desc = Object.getOwnPropertyDescriptor(obj, name); | |
| 21 if (desc) | |
| 22 return desc; | |
| 23 } | |
| 24 return undefined; | |
| 25 } | |
| 26 }); | |
| 27 | |
| 28 for (var i = 0; i < 2; i++) | |
| 29 assertEq([v for (v of proxy)].join(","), "a,b,c,d"); |
