1 files changed, 27 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug455852.js b/browser/base/content/test/general/browser_bug455852.js
new file mode 100644
index 0000000000..567f655e99
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug455852.js
@@ -0,0 +1,27 @@
+add_task(async function () {
+  is(gBrowser.tabs.length, 1, "one tab is open");
+
+  gBrowser.selectedBrowser.focus();
+  isnot(
+    document.activeElement,
+    gURLBar.inputField,
+    "location bar is not focused"
+  );
+
+  var tab = gBrowser.selectedTab;
+  Services.prefs.setBoolPref("browser.tabs.closeWindowWithLastTab", false);
+
+  EventUtils.synthesizeKey("w", { accelKey: true });
+
+  is(tab.parentNode, null, "ctrl+w removes the tab");
+  is(gBrowser.tabs.length, 1, "a new tab has been opened");
+  is(
+    document.activeElement,
+    gURLBar.inputField,
+    "location bar is focused for the new tab"
+  );
+
+  if (Services.prefs.prefHasUserValue("browser.tabs.closeWindowWithLastTab")) {
+    Services.prefs.clearUserPref("browser.tabs.closeWindowWithLastTab");
+  }
+});