1 files changed, 63 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_tabswitch_select.js b/browser/base/content/test/tabs/browser_tabswitch_select.js
new file mode 100644
index 0000000000..ea5d2e3f40
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_tabswitch_select.js
@@ -0,0 +1,63 @@
+/* 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(async function() {
+  let tab1 = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "about:support"
+  );
+
+  let tab2 = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "data:text/html,Goodbye"
+  );
+
+  gURLBar.select();
+
+  await BrowserTestUtils.switchTab(gBrowser, tab1);
+
+  let focusPromise = BrowserTestUtils.waitForEvent(
+    gURLBar.inputField,
+    "select",
+    true
+  );
+  await BrowserTestUtils.switchTab(gBrowser, tab2);
+  await focusPromise;
+
+  is(gURLBar.selectionStart, 0, "url is selected");
+  is(gURLBar.selectionEnd, 22, "url is selected");
+
+  // Now check that the url bar is focused when a new tab is opened while in fullscreen.
+
+  let fullScreenEntered = TestUtils.waitForCondition(
+    () => document.documentElement.getAttribute("sizemode") == "fullscreen"
+  );
+  BrowserFullScreen();
+  await fullScreenEntered;
+
+  tab2.linkedBrowser.focus();
+
+  // Open a new tab
+  focusPromise = BrowserTestUtils.waitForEvent(
+    gURLBar.inputField,
+    "focus",
+    true
+  );
+  EventUtils.synthesizeKey("T", { accelKey: true });
+  await focusPromise;
+
+  is(document.activeElement, gURLBar.inputField, "urlbar is focused");
+
+  let fullScreenExited = TestUtils.waitForCondition(
+    () => document.documentElement.getAttribute("sizemode") != "fullscreen"
+  );
+  BrowserFullScreen();
+  await fullScreenExited;
+
+  BrowserTestUtils.removeTab(gBrowser.selectedTab);
+  BrowserTestUtils.removeTab(tab1);
+  BrowserTestUtils.removeTab(tab2);
+});