1 files changed, 47 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_947914_button_newWindow.js b/browser/components/customizableui/test/browser_947914_button_newWindow.js
new file mode 100644
index 000000000..47162ee86
--- /dev/null
+++ b/browser/components/customizableui/test/browser_947914_button_newWindow.js
@@ -0,0 +1,47 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+  * License, v. 2.0. If a copy of the MPL was not distributed with this
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+add_task(function*() {
+  info("Check new window button existence and functionality");
+  yield PanelUI.show();
+  info("Menu panel was opened");
+
+  let windowWasHandled = false;
+  let newWindow = null;
+
+  let observerWindowOpened = {
+    observe: function(aSubject, aTopic, aData) {
+      if (aTopic == "domwindowopened") {
+        newWindow = aSubject.QueryInterface(Components.interfaces.nsIDOMWindow);
+        newWindow.addEventListener("load", function newWindowHandler() {
+          newWindow.removeEventListener("load", newWindowHandler, false);
+          is(newWindow.location.href, "chrome://browser/content/browser.xul",
+             "A new browser window was opened");
+          ok(!PrivateBrowsingUtils.isWindowPrivate(newWindow), "Window is not private");
+          windowWasHandled = true;
+        }, false);
+      }
+    }
+  }
+
+  Services.ww.registerNotification(observerWindowOpened);
+
+  let newWindowButton = document.getElementById("new-window-button");
+  ok(newWindowButton, "New Window button exists in Panel Menu");
+  newWindowButton.click();
+
+  try {
+    yield waitForCondition(() => windowWasHandled);
+    yield promiseWindowClosed(newWindow);
+    info("The new window was closed");
+  }
+  catch (e) {
+    ok(false, "The new browser window was not properly handled");
+  }
+  finally {
+    Services.ww.unregisterNotification(observerWindowOpened);
+  }
+});