michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: let winObserver = function(win, topic) {
michael@0:   if (topic == "domwindowopened") {
michael@0:     win.addEventListener("load", function onLoadWindow() {
michael@0:       win.removeEventListener("load", onLoadWindow, false);
michael@0: 
michael@0:       if (win.document.documentURI ==
michael@0:           "chrome://mozapps/content/downloads/unknownContentType.xul") {
michael@0:         ok(true, "Download dialog shown");
michael@0: 
michael@0:         setTimeout(() => {
michael@0:           let button = win.document.documentElement.getButton("accept");
michael@0:           button.disabled = false;
michael@0:           win.document.documentElement.acceptDialog();
michael@0:         }, 0);
michael@0:       }
michael@0:     }, false);
michael@0:   }
michael@0: }
michael@0: 
michael@0: Services.ww.registerNotification(winObserver);
michael@0: 
michael@0: let MockFilePicker = SpecialPowers.MockFilePicker;
michael@0: MockFilePicker.init(window);
michael@0: MockFilePicker.useAnyFile();
michael@0: MockFilePicker.showCallback = function() {
michael@0:   ok(true, "File picker shown");
michael@0:   return MockFilePicker.returnOK;
michael@0: }
michael@0: 
michael@0: let downloadListener = {
michael@0:   onDownloadStateChange: function(aState, aDownload) {
michael@0:     if (aDownload.state == Services.downloads.DOWNLOAD_FINISHED) {
michael@0:       ok(aDownload.targetFile.exists(), "Download completed");
michael@0:       is(aDownload.targetFile.fileSize, 154, "Downloaded file has correct size");
michael@0: 
michael@0:       finish();
michael@0:     }
michael@0:   },
michael@0: };
michael@0: 
michael@0: Services.downloads.addListener(downloadListener);
michael@0: 
michael@0: registerCleanupFunction(function() {
michael@0:   Services.wm.getMostRecentWindow("Download:Manager").close();
michael@0:   Services.ww.unregisterNotification(winObserver);
michael@0:   MockFilePicker.cleanup();
michael@0:   Services.downloads.removeListener(downloadListener);
michael@0: });
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   loadWebapp("download.webapp", undefined, function onLoad() {
michael@0:     gAppBrowser.contentDocument.getElementById("download").click();
michael@0:   });
michael@0: }