зеркало из https://github.com/mozilla/gecko-dev.git
62 строки
1.9 KiB
JavaScript
62 строки
1.9 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Loader } = require("sdk/test/loader");
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const { open, close } = require("sdk/window/helpers");
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const { browserWindows: windows } = require("sdk/windows");
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const { isBrowser } = require('sdk/window/utils');
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const app = require("sdk/system/xul-app");
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exports["test unload window observer"] = function(assert, done) {
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// Hacky way to be able to create unloadable modules via makeSandboxedLoader.
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let loader = Loader(module);
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let observer = loader.require("sdk/windows/observer").observer;
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let opened = 0;
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let closed = 0;
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let windowsOpen = windows.length;
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observer.on("open", onOpen);
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observer.on("close", onClose);
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// On Fennec, only test that the module does not throw an error
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if (app.is("Fennec")) {
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assert.pass("Windows observer did not throw on Fennec");
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return cleanUp();
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}
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// Open window and close it to trigger observers.
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open().
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then(close).
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then(loader.unload).
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then(open).
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then(close).
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then(function() {
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// Enqueuing asserts to make sure that assertion is not performed early.
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assert.equal(1, opened, "observer open was called before unload only");
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assert.equal(windowsOpen + 1, closed, "observer close was called before unload only");
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}).
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then(cleanUp, assert.fail);
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function cleanUp () {
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observer.removeListener("open", onOpen);
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observer.removeListener("close", onClose);
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done();
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}
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function onOpen(window) {
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// Ignoring non-browser windows
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if (isBrowser(window))
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opened++;
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}
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function onClose(window) {
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// Ignore non-browser windows & already opened `activeWindow` (unload will
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// emit close on it even though it is not actually closed).
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if (isBrowser(window))
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closed++;
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}
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};
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require("sdk/test").run(exports);
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