diff -r 000000000000 -r 6474c204b198 browser/base/content/test/general/browser_bug462673.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/general/browser_bug462673.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,61 @@
+var runs = [
+  function (win, tabbrowser, tab) {
+    is(tabbrowser.browsers.length, 2, "test_bug462673.html has opened a second tab");
+    is(tabbrowser.selectedTab, tab.nextSibling, "dependent tab is selected");
+    tabbrowser.removeTab(tab);
+    // Closing a tab will also close its parent chrome window, but async
+    executeSoon(function() {
+      ok(win.closed, "Window is closed");
+      testComplete(win);
+    });
+  },
+  function (win, tabbrowser, tab) {
+    var newTab = tabbrowser.addTab();
+    var newBrowser = newTab.linkedBrowser;
+    tabbrowser.removeTab(tab);
+    ok(!win.closed, "Window stays open");
+    if (!win.closed) {
+      is(tabbrowser.tabContainer.childElementCount, 1, "Window has one tab");
+      is(tabbrowser.browsers.length, 1, "Window has one browser");
+      is(tabbrowser.selectedTab, newTab, "Remaining tab is selected");
+      is(tabbrowser.selectedBrowser, newBrowser, "Browser for remaining tab is selected");
+      is(tabbrowser.mTabBox.selectedPanel, newBrowser.parentNode.parentNode.parentNode.parentNode, "Panel for remaining tab is selected");
+    }
+    testComplete(win);
+  }
+];
+
+function test() {
+  waitForExplicitFinish();
+  runOneTest();
+}
+
+function testComplete(win) {
+  win.close();
+  if (runs.length)
+    runOneTest();
+  else
+    finish();
+}
+
+function runOneTest() {
+  var win = openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no");
+
+  win.addEventListener("load", function () {
+    win.removeEventListener("load", arguments.callee, false);
+
+    var tab = win.gBrowser.tabContainer.firstChild;
+    var browser = tab.linkedBrowser;
+
+    browser.addEventListener("load", function () {
+      browser.removeEventListener("load", arguments.callee, true);
+
+      executeSoon(function () {
+        runs.shift()(win, win.gBrowser, tab);
+      });
+    }, true);
+
+    var rootDir = getRootDirectory(gTestPath);
+    browser.contentWindow.location = rootDir + "test_bug462673.html"
+  }, false);
+}