The Tor Browser / file comparison
comparison: js/src/jit-test/tests/collections/for-in.js
js/src/jit-test/tests/collections/for-in.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:830605aeab89 |
|---|---|
| 1 // for-in loops on Maps and Sets enumerate properties. | |
| 2 | |
| 3 var test = function test(obj) { | |
| 4 assertEq(Object.keys(obj).length, 0); | |
| 5 | |
| 6 var i = 0, v; | |
| 7 for (v in obj) | |
| 8 i++; | |
| 9 assertEq(i, 0); | |
| 10 | |
| 11 obj.ownProp = 1; | |
| 12 assertEq(Object.keys(obj).join(), "ownProp"); | |
| 13 | |
| 14 for (v in obj) | |
| 15 i++; | |
| 16 assertEq(i, 1); | |
| 17 assertEq(v, "ownProp"); | |
| 18 | |
| 19 delete obj.ownProp; | |
| 20 }; | |
| 21 | |
| 22 test(Map.prototype); | |
| 23 test(new Map); | |
| 24 test(Set.prototype); | |
| 25 test(new Set); |
