1 files changed, 20 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 000000000..ce883b581
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug455852.js
@@ -0,0 +1,20 @@
+add_task(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;
+  gPrefService.setBoolPref("browser.tabs.closeWindowWithLastTab", false);
+
+  let tabClosedPromise = BrowserTestUtils.removeTab(tab, {dontRemove: true});
+  EventUtils.synthesizeKey("w", { accelKey: true });
+  yield tabClosedPromise;
+
+  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 (gPrefService.prefHasUserValue("browser.tabs.closeWindowWithLastTab"))
+    gPrefService.clearUserPref("browser.tabs.closeWindowWithLastTab");
+});