The Tor Browser / file comparison
comparison: js/src/jit-test/tests/for-of/array-iterator-proxy.js
js/src/jit-test/tests/for-of/array-iterator-proxy.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:9660d949c5d1 |
|---|---|
| 1 // An array iterator for a proxy calls the traps in a predictable order. | |
| 2 | |
| 3 load(libdir + "asserts.js"); | |
| 4 load(libdir + "iteration.js"); | |
| 5 | |
| 6 var s = ''; | |
| 7 | |
| 8 var proxyObj = { | |
| 9 get: function (recipient, name) { | |
| 10 if (name == 'length') { | |
| 11 s += 'L'; | |
| 12 return 2; | |
| 13 } else { | |
| 14 s += name; | |
| 15 return name; | |
| 16 } | |
| 17 } | |
| 18 }; | |
| 19 | |
| 20 var it = Array.prototype[std_iterator].call(Proxy.create(proxyObj)); | |
| 21 | |
| 22 assertIteratorNext(it, "0"); | |
| 23 s += ' '; | |
| 24 assertIteratorNext(it, "1"); | |
| 25 s += ' '; | |
| 26 assertIteratorDone(it, undefined); | |
| 27 assertEq(s, "L0 L1 L"); | |
| 28 | |
| 29 s = ''; | |
| 30 var ki = Array.prototype.keys.call(Proxy.create(proxyObj)); | |
| 31 | |
| 32 assertIteratorNext(ki, 0); | |
| 33 s += ' '; | |
| 34 assertIteratorNext(ki, 1); | |
| 35 s += ' '; | |
| 36 assertIteratorDone(ki, undefined); | |
| 37 assertEq(s, "L L L"); | |
| 38 | |
| 39 s = ''; | |
| 40 var ei = Array.prototype.entries.call(Proxy.create(proxyObj)); | |
| 41 | |
| 42 assertIteratorNext(ei, [0, "0"]); | |
| 43 s += ' '; | |
| 44 assertIteratorNext(ei, [1, "1"]); | |
| 45 s += ' '; | |
| 46 assertIteratorDone(ei, undefined); | |
| 47 assertEq(s, "L0 L1 L"); |
