The Tor Browser / file comparison
comparison: js/src/tests/js1_7/extensions/basic-for-each.js
js/src/tests/js1_7/extensions/basic-for-each.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:5c5244b867a9 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = "346582"; | |
| 8 var summary = "Basic support for iterable objects and for-each"; | |
| 9 var actual, expect; | |
| 10 | |
| 11 printBugNumber(BUGNUMBER); | |
| 12 printStatus(summary); | |
| 13 | |
| 14 /************** | |
| 15 * BEGIN TEST * | |
| 16 **************/ | |
| 17 | |
| 18 var failed = false; | |
| 19 | |
| 20 var iterable = { persistedProp: 17 }; | |
| 21 | |
| 22 function Array_equals(a, b) | |
| 23 { | |
| 24 if (!(a instanceof Array) || !(b instanceof Array)) | |
| 25 throw new Error("Arguments not both of type Array"); | |
| 26 if (a.length != b.length) | |
| 27 return false; | |
| 28 for (var i = 0, sz = a.length; i < sz; i++) | |
| 29 if (a[i] !== b[i]) | |
| 30 return false; | |
| 31 return true; | |
| 32 } | |
| 33 | |
| 34 try | |
| 35 { | |
| 36 // nothing unusual so far -- verify basic properties | |
| 37 for (var i in iterable) | |
| 38 { | |
| 39 if (i != "persistedProp") | |
| 40 throw "no persistedProp!"; | |
| 41 if (iterable[i] != 17) | |
| 42 throw "iterable[\"persistedProp\"] == 17"; | |
| 43 } | |
| 44 | |
| 45 var keys = ["foo", "bar", "baz"]; | |
| 46 var vals = [6, 5, 14]; | |
| 47 | |
| 48 iterable.__iterator__ = | |
| 49 function(keysOnly) | |
| 50 { | |
| 51 var gen = | |
| 52 function() | |
| 53 { | |
| 54 for (var i = 0; i < keys.length; i++) | |
| 55 { | |
| 56 if (keysOnly) | |
| 57 yield keys[i]; | |
| 58 else | |
| 59 yield [keys[i], vals[i]]; | |
| 60 } | |
| 61 }; | |
| 62 return gen(); | |
| 63 }; | |
| 64 | |
| 65 // for each sets keysOnly==false | |
| 66 var index = 0; | |
| 67 for each (var v in iterable) | |
| 68 { | |
| 69 if (!Array_equals(v, [keys[index], vals[index]])) | |
| 70 throw "for-each iteration failed on index=" + index + "!"; | |
| 71 index++; | |
| 72 } | |
| 73 if (index != keys.length) | |
| 74 throw "not everything iterated! index=" + index + | |
| 75 ", keys.length=" + keys.length; | |
| 76 | |
| 77 if (iterable.persistedProp != 17) | |
| 78 throw "iterable.persistedProp not persisted!"; | |
| 79 } | |
| 80 catch (e) | |
| 81 { | |
| 82 failed = e; | |
| 83 } | |
| 84 | |
| 85 | |
| 86 | |
| 87 expect = false; | |
| 88 actual = failed; | |
| 89 | |
| 90 reportCompare(expect, actual, summary); |
