The Tor Browser / file comparison
comparison: js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js
js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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replaced
| -1:000000000000 | 0:68ae21b3692a |
|---|---|
| 1 // Superficial tests for iterators created by Array.prototype.iterator | |
| 2 | |
| 3 load(libdir + "iteration.js"); | |
| 4 | |
| 5 var proto = Object.getPrototypeOf([][std_iterator]()); | |
| 6 assertEq(Object.getPrototypeOf(proto), Iterator.prototype); | |
| 7 proto = Object.getPrototypeOf([].keys()); | |
| 8 assertEq(Object.getPrototypeOf(proto), Iterator.prototype); | |
| 9 proto = Object.getPrototypeOf([].entries()); | |
| 10 assertEq(Object.getPrototypeOf(proto), Iterator.prototype); | |
| 11 | |
| 12 function check(it) { | |
| 13 assertEq(typeof it, 'object'); | |
| 14 assertEq(Object.getPrototypeOf(it), proto); | |
| 15 assertEq(Object.getOwnPropertyNames(it).length, 0); | |
| 16 assertEq(it[std_iterator](), it); | |
| 17 | |
| 18 // for-in enumerates the iterator's properties. | |
| 19 it.x = 0; | |
| 20 var s = ''; | |
| 21 for (var p in it) | |
| 22 s += p + '.'; | |
| 23 assertEq(s, 'x.'); | |
| 24 } | |
| 25 | |
| 26 check([][std_iterator]()); | |
| 27 check(Array.prototype[std_iterator].call({})); | |
| 28 check([].keys()); | |
| 29 check(Array.prototype.keys.call({})); | |
| 30 check([].entries()); | |
| 31 check(Array.prototype.entries.call({})); |
