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comparison: addon-sdk/source/test/test-keyboard-observer.js
addon-sdk/source/test/test-keyboard-observer.js
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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 | |
| 5 "use strict"; | |
| 6 | |
| 7 const { keyPress } = require("sdk/dom/events/keys"); | |
| 8 const { Loader } = require("sdk/test/loader"); | |
| 9 const timer = require("sdk/timers"); | |
| 10 | |
| 11 exports["test unload keyboard observer"] = function(assert, done) { | |
| 12 let loader = Loader(module); | |
| 13 let element = loader.require("sdk/deprecated/window-utils"). | |
| 14 activeBrowserWindow.document.documentElement; | |
| 15 let observer = loader.require("sdk/keyboard/observer"). | |
| 16 observer; | |
| 17 let called = 0; | |
| 18 | |
| 19 observer.on("keypress", function () { called++; }); | |
| 20 | |
| 21 // dispatching "keypress" event to trigger observer listeners. | |
| 22 keyPress(element, "accel-%"); | |
| 23 | |
| 24 // Unload the module. | |
| 25 loader.unload(); | |
| 26 | |
| 27 // dispatching "keypress" even once again. | |
| 28 keyPress(element, "accel-%"); | |
| 29 | |
| 30 // Enqueuing asserts to make sure that assertion is not performed early. | |
| 31 timer.setTimeout(function () { | |
| 32 assert.equal(called, 1, "observer was called before unload only."); | |
| 33 done(); | |
| 34 }, 0); | |
| 35 }; | |
| 36 | |
| 37 require("test").run(exports); |
