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comparison: addon-sdk/source/test/test-window-observer.js
addon-sdk/source/test/test-window-observer.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:15609535c022 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 "use strict"; | |
| 5 | |
| 6 const { Loader } = require("sdk/test/loader"); | |
| 7 const { open, close } = require("sdk/window/helpers"); | |
| 8 const { browserWindows: windows } = require("sdk/windows"); | |
| 9 const { isBrowser } = require('sdk/window/utils'); | |
| 10 const app = require("sdk/system/xul-app"); | |
| 11 | |
| 12 exports["test unload window observer"] = function(assert, done) { | |
| 13 // Hacky way to be able to create unloadable modules via makeSandboxedLoader. | |
| 14 let loader = Loader(module); | |
| 15 let observer = loader.require("sdk/windows/observer").observer; | |
| 16 let opened = 0; | |
| 17 let closed = 0; | |
| 18 let windowsOpen = windows.length; | |
| 19 | |
| 20 observer.on("open", onOpen); | |
| 21 observer.on("close", onClose); | |
| 22 | |
| 23 // On Fennec, only test that the module does not throw an error | |
| 24 if (app.is("Fennec")) { | |
| 25 assert.pass("Windows observer did not throw on Fennec"); | |
| 26 return cleanUp(); | |
| 27 } | |
| 28 | |
| 29 // Open window and close it to trigger observers. | |
| 30 open(). | |
| 31 then(close). | |
| 32 then(loader.unload). | |
| 33 then(open). | |
| 34 then(close). | |
| 35 then(function() { | |
| 36 // Enqueuing asserts to make sure that assertion is not performed early. | |
| 37 assert.equal(1, opened, "observer open was called before unload only"); | |
| 38 assert.equal(windowsOpen + 1, closed, "observer close was called before unload only"); | |
| 39 }). | |
| 40 then(cleanUp, assert.fail); | |
| 41 | |
| 42 function cleanUp () { | |
| 43 observer.removeListener("open", onOpen); | |
| 44 observer.removeListener("close", onClose); | |
| 45 done(); | |
| 46 } | |
| 47 | |
| 48 function onOpen(window) { | |
| 49 // Ignoring non-browser windows | |
| 50 if (isBrowser(window)) | |
| 51 opened++; | |
| 52 } | |
| 53 function onClose(window) { | |
| 54 // Ignore non-browser windows & already opened `activeWindow` (unload will | |
| 55 // emit close on it even though it is not actually closed). | |
| 56 if (isBrowser(window)) | |
| 57 closed++; | |
| 58 } | |
| 59 }; | |
| 60 | |
| 61 require("sdk/test").run(exports); |
