1 files changed, 64 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_947914_button_addons.js b/browser/components/customizableui/test/browser_947914_button_addons.js
new file mode 100644
index 0000000000..7985098c02
--- /dev/null
+++ b/browser/components/customizableui/test/browser_947914_button_addons.js
@@ -0,0 +1,64 @@
+/* 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";
+
+var initialLocation = gBrowser.currentURI.spec;
+
+add_task(async function() {
+  if (
+    Services.prefs.getBoolPref("extensions.unifiedExtensions.enabled", false)
+  ) {
+    // When this pref is enabled, the "Add-ons and themes" button no longer
+    // exists so we cannot test it... In the future, we'll want to remove this
+    // test entirely since it won't be relevant when the unified extensions UI
+    // will be enabled on all channels.
+    ok(true, "Skip task because unifiedExtensions pref is enabled");
+    return;
+  }
+
+  CustomizableUI.addWidgetToArea(
+    "add-ons-button",
+    CustomizableUI.AREA_FIXED_OVERFLOW_PANEL
+  );
+  info("Check addons button existence and functionality");
+
+  await waitForOverflowButtonShown();
+
+  await document.getElementById("nav-bar").overflowable.show();
+  info("Menu panel was opened");
+
+  let addonsButton = document.getElementById("add-ons-button");
+  ok(addonsButton, "Add-ons button exists in Panel Menu");
+  addonsButton.click();
+
+  await Promise.all([
+    TestUtils.waitForCondition(
+      () => gBrowser.currentURI && gBrowser.currentURI.spec == "about:addons"
+    ),
+    new Promise(r =>
+      gBrowser.selectedBrowser.addEventListener("load", r, true)
+    ),
+  ]);
+
+  let addonsPage = gBrowser.selectedBrowser.contentWindow.document.querySelector(
+    "title[data-l10n-id='addons-page-title']"
+  );
+  ok(addonsPage, "Add-ons page was opened");
+});
+
+add_task(async function asyncCleanup() {
+  if (
+    Services.prefs.getBoolPref("extensions.unifiedExtensions.enabled", false)
+  ) {
+    // The comment in the task above also applies here.
+    ok(true, "Skip task because unifiedExtensions pref is enabled");
+    return;
+  }
+
+  CustomizableUI.reset();
+  BrowserTestUtils.addTab(gBrowser, initialLocation);
+  gBrowser.removeTab(gBrowser.selectedTab);
+  info("Tabs were restored");
+});