js/xpconnect/tests/chrome/test_bug760109.xul@6474c204b198 (annotated)
js/xpconnect/tests/chrome/test_bug760109.xul
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <?xml version="1.0"?> |
| michael@0 | 2 | <?xml-stylesheet type="text/css" href="chrome://global/skin"?> |
| michael@0 | 3 | <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> |
| michael@0 | 4 | <!-- |
| michael@0 | 5 | https://bugzilla.mozilla.org/show_bug.cgi?id=760109 |
| michael@0 | 6 | --> |
| michael@0 | 7 | <window title="Mozilla Bug 760109" |
| michael@0 | 8 | xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> |
| michael@0 | 9 | <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> |
| michael@0 | 10 | |
| michael@0 | 11 | <!-- test results are displayed in the html:body --> |
| michael@0 | 12 | <body xmlns="http://www.w3.org/1999/xhtml"> |
| michael@0 | 13 | <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=760109" |
| michael@0 | 14 | target="_blank">Mozilla Bug 760109</a> |
| michael@0 | 15 | </body> |
| michael@0 | 16 | |
| michael@0 | 17 | <!-- test code goes here --> |
| michael@0 | 18 | <script type="application/javascript"> |
| michael@0 | 19 | <![CDATA[ |
| michael@0 | 20 | |
| michael@0 | 21 | /** Test for COW prototype remapping.**/ |
| michael@0 | 22 | |
| michael@0 | 23 | // This gets decompiled and run inside the sandbox. |
| michael@0 | 24 | function sandboxCode() { |
| michael@0 | 25 | |
| michael@0 | 26 | // Check that COWs for objects with standard prototypes use the standard |
| michael@0 | 27 | // prototype in the home compartment. |
| michael@0 | 28 | ok(Object.getPrototypeOf(chromeArray) === Array.prototype, |
| michael@0 | 29 | "Array prototype remapped properly"); |
| michael@0 | 30 | var protoProto = Object.getPrototypeOf(Object.getPrototypeOf(chromeObject)); |
| michael@0 | 31 | ok(protoProto === Object.prototype, |
| michael@0 | 32 | "Object prototype remapped properly"); |
| michael@0 | 33 | |
| michael@0 | 34 | // Check |constructor|. |
| michael@0 | 35 | // Note that the 'constructor' property of the underlying chrome object |
| michael@0 | 36 | // will be resolved on SomeConstructor.prototype, which has an empty |
| michael@0 | 37 | // __exposedProps__. This means that we shouldn't remap the property, even |
| michael@0 | 38 | // though we'd also be able to find it on Object.prototype. Some recent |
| michael@0 | 39 | // refactoring has made it possible to do the right thing here. |
| michael@0 | 40 | is(typeof chromeObject.constructor, "undefined", "Object constructor does what we expect"); |
| michael@0 | 41 | ok(chromeArray.constructor === Array, "Array constructor remapped properly"); |
| michael@0 | 42 | |
| michael@0 | 43 | // We should be able to .forEach on the Array. |
| michael@0 | 44 | var concat = ''; |
| michael@0 | 45 | chromeArray.forEach(function(val) { concat += val; }); |
| michael@0 | 46 | is(concat, 'abz', "Should be able to .forEach COW-ed Array"); |
| michael@0 | 47 | |
| michael@0 | 48 | // Try other Array operations. |
| michael@0 | 49 | is(chromeArray.indexOf('b'), 1, "indexOf works correctly"); |
| michael@0 | 50 | is(chromeArray.join(''), concat, "join works correctly"); |
| michael@0 | 51 | is(chromeArray.slice(1).join(''), 'bz', "slice works correctly"); |
| michael@0 | 52 | is(chromeArray.length, 3, "Able to check array length"); |
| michael@0 | 53 | |
| michael@0 | 54 | // Try some operations that modify the array. |
| michael@0 | 55 | is(chromeArray.pop(), 'z', "Able to call pop"); |
| michael@0 | 56 | is(chromeArray.push('z'), 3, "Able to call push"); |
| michael@0 | 57 | chromeArray.reverse(); |
| michael@0 | 58 | is(chromeArray.join(''), 'zba', "Able to call reverse"); |
| michael@0 | 59 | chromeArray.sort(); |
| michael@0 | 60 | is(chromeArray.join(''), 'abz', "Able to call sort"); |
| michael@0 | 61 | |
| michael@0 | 62 | // Make sure we can see the data on the typed array |
| michael@0 | 63 | is(chromeTypedArray.length, 3, "Able to check typed array length"); |
| michael@0 | 64 | is(chromeTypedArray[0], 10, "Able to access typed array data"); |
| michael@0 | 65 | |
| michael@0 | 66 | // We should be able to .hasOwnProperty on the Object, and have |
| michael@0 | 67 | // it filter the objects we can see. |
| michael@0 | 68 | ok(chromeObject.hasOwnProperty('foo'), "Should see r property"); |
| michael@0 | 69 | ok(!chromeObject.hasOwnProperty('bar'), "Shouldn't see non-exposed property"); |
| michael@0 | 70 | ok(chromeObject.hasOwnProperty('baz'), "Should see rw property"); |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | // We use a constructor to create the test object so that there's an |
| michael@0 | 74 | // intermediate object on the prototype chain between the instance and the |
| michael@0 | 75 | // standard prototype. |
| michael@0 | 76 | function SomeConstructor() { |
| michael@0 | 77 | this.foo = 2; |
| michael@0 | 78 | this.bar = 3; |
| michael@0 | 79 | this.baz = 4; |
| michael@0 | 80 | this.__exposedProps__ = {foo: 'r', baz: 'rw'}; |
| michael@0 | 81 | } |
| michael@0 | 82 | SomeConstructor.prototype.__exposedProps__ = {}; |
| michael@0 | 83 | |
| michael@0 | 84 | const Cu = Components.utils; |
| michael@0 | 85 | var sb = new Cu.Sandbox('http://www.example.org'); |
| michael@0 | 86 | sb.chromeArray = ['a', 'b', 'z']; |
| michael@0 | 87 | sb.chromeArray.__exposedProps__ = {}; |
| michael@0 | 88 | sb.chromeTypedArray = new Uint8Array([10, 20, 30]); |
| michael@0 | 89 | sb.chromeObject = new SomeConstructor(); |
| michael@0 | 90 | sb.ok = ok; |
| michael@0 | 91 | sb.is = is; |
| michael@0 | 92 | Cu.evalInSandbox('(' + sandboxCode.toSource() + ')();', sb); |
| michael@0 | 93 | |
| michael@0 | 94 | ]]> |
| michael@0 | 95 | </script> |
| michael@0 | 96 | </window> |
