1 files changed, 38 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_tab_manager_keyboard_access.js b/browser/base/content/test/tabs/browser_tab_manager_keyboard_access.js
new file mode 100644
index 0000000000..444db5d3be
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_tab_manager_keyboard_access.js
@@ -0,0 +1,38 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Check we can open the tab manager using the keyboard.
+ * Note that navigation to buttons in the toolbar is covered
+ * by other tests.
+ */
+add_task(async function test_open_tabmanager_keyboard() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.tabs.tabmanager.enabled", true]],
+  });
+  let newWindow =
+    await BrowserTestUtils.openNewWindowWithFlushedCacheForMozSupports();
+  let elem = newWindow.document.getElementById("alltabs-button");
+
+  // Borrowed from forceFocus() in the keyboard directory head.js
+  elem.setAttribute("tabindex", "-1");
+  elem.focus();
+  elem.removeAttribute("tabindex");
+
+  let focused = BrowserTestUtils.waitForEvent(newWindow, "focus", true);
+  EventUtils.synthesizeKey(" ", {}, newWindow);
+  let event = await focused;
+  ok(
+    event.originalTarget.closest("#allTabsMenu-allTabsView"),
+    "Focus inside all tabs menu after toolbar button pressed"
+  );
+  let hidden = BrowserTestUtils.waitForEvent(
+    event.target.closest("panel"),
+    "popuphidden"
+  );
+  EventUtils.synthesizeKey("KEY_Escape", { shiftKey: false }, newWindow);
+  await hidden;
+  await BrowserTestUtils.closeWindow(newWindow);
+});