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"use strict";
exports["test unload window observer"] = function(assert, done) {
// Hacky way to be able to create unloadable modules via makeSandboxedLoader.
let loader = assert._log.makeSandboxedLoader();
let utils = loader.require("api-utils/window-utils");
let { isBrowser, activeBrowserWindow: activeWindow } = utils;
let observer = loader.require("api-utils/windows/observer").observer;
let opened = 0;
let closed = 0;
observer.on("open", function onOpen(window) {
// Ignoring non-browser windows
if (isBrowser(window))
opened++;
});
observer.on("close", function onClose(window) {
// Ignore non-browser windows & already opened `activeWindow` (unload will
// emit close on it even though it is not actually closed).
if (isBrowser(window) && window !== activeWindow)
closed++;
});
// Open window and close it to trigger observers.
activeWindow.open().close();
// Unload the module so that all listeners set by observer are removed.
loader.unload();
// Open and close window once again.
activeWindow.open().close();
// Enqueuing asserts to make sure that assertion is not performed early.
require("timer").setTimeout(function () {
assert.equal(1, opened, "observer open was called before unload only");
assert.equal(1, closed, "observer close was called before unload only");
done();
}, 0);
};
require("test").run(exports);
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