1 files changed, 57 insertions, 0 deletions
diff --git a/accessible/tests/browser/events/browser_test_focus_browserui.js b/accessible/tests/browser/events/browser_test_focus_browserui.js
new file mode 100644
index 0000000000..bb3a7fa3c6
--- /dev/null
+++ b/accessible/tests/browser/events/browser_test_focus_browserui.js
@@ -0,0 +1,57 @@
+/* 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";
+
+/* import-globals-from ../../mochitest/states.js */
+/* import-globals-from ../../mochitest/role.js */
+loadScripts(
+  { name: "states.js", dir: MOCHITESTS_DIR },
+  { name: "role.js", dir: MOCHITESTS_DIR }
+);
+
+async function runTests(browser, accDoc) {
+  await SpecialPowers.pushPrefEnv({
+    // If Fission is disabled, the pref is no-op.
+    set: [["fission.bfcacheInParent", true]],
+  });
+
+  let onFocus = waitForEvent(EVENT_FOCUS, "input");
+  EventUtils.synthesizeKey("VK_TAB", {}, browser.ownerGlobal);
+  let evt = await onFocus;
+  testStates(evt.accessible, STATE_FOCUSED);
+
+  onFocus = waitForEvent(EVENT_FOCUS, "buttonInputDoc");
+  let url = snippetToURL(`<input id="input" type="button" value="button">`, {
+    contentDocBodyAttrs: { id: "buttonInputDoc" },
+  });
+  browser.loadURI(url, {
+    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
+  });
+  evt = await onFocus;
+  testStates(evt.accessible, STATE_FOCUSED);
+
+  onFocus = waitForEvent(EVENT_FOCUS, "input");
+  browser.goBack();
+  evt = await onFocus;
+  testStates(evt.accessible, STATE_FOCUSED);
+
+  onFocus = waitForEvent(
+    EVENT_FOCUS,
+    event => event.accessible.DOMNode == gURLBar.inputField
+  );
+  EventUtils.synthesizeKey("t", { accelKey: true }, browser.ownerGlobal);
+  evt = await onFocus;
+  testStates(evt.accessible, STATE_FOCUSED);
+
+  onFocus = waitForEvent(EVENT_FOCUS, "input");
+  EventUtils.synthesizeKey("w", { accelKey: true }, browser.ownerGlobal);
+  evt = await onFocus;
+  testStates(evt.accessible, STATE_FOCUSED);
+}
+
+/**
+ * Accessibility loading document events test.
+ */
+addAccessibleTask(`<input id="input">`, runTests);