diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_search.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_search.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,132 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+let newTabs = [];
+
+// ----------
+function test() {
+  waitForExplicitFinish();
+
+  // set up our tabs
+  let urlBase = "http://mochi.test:8888/browser/browser/components/tabview/test/";
+  let tabOne = gBrowser.addTab(urlBase + "search1.html");
+  let tabTwo = gBrowser.addTab(urlBase + "search2.html");
+  newTabs = [ tabOne, tabTwo ];
+
+  // make sure our tabs are loaded so their titles are right
+  let stillToLoad = 0; 
+  let onLoad = function() {
+    this.removeEventListener("load", onLoad, true);
+    
+    stillToLoad--; 
+    if (!stillToLoad) {    
+      // show the tab view
+      window.addEventListener("tabviewshown", onTabViewWindowLoaded, false);
+      ok(!TabView.isVisible(), "Tab View is hidden");
+      TabView.toggle();
+    }
+  }
+  
+  newTabs.forEach(function(tab) {
+    stillToLoad++; 
+    gBrowser.getBrowserForTab(tab).addEventListener("load", onLoad, true);
+  });
+}
+
+// ----------
+function onTabViewWindowLoaded() {
+  window.removeEventListener("tabviewshown", onTabViewWindowLoaded, false);
+  ok(TabView.isVisible(), "Tab View is visible");
+
+  let contentWindow = document.getElementById("tab-view").contentWindow;
+  let search = contentWindow.document.getElementById("search");
+  let searchButton = contentWindow.document.getElementById("searchbutton");
+
+  ok(searchButton, "Search button exists");
+
+  let onSearchEnabled = function() {
+    contentWindow.removeEventListener(
+      "tabviewsearchenabled", onSearchEnabled, false);
+
+    ok(search.style.display != "none", "Search is enabled");
+
+    let searchBox = contentWindow.document.getElementById("searchbox");
+    ok(contentWindow.document.hasFocus() && 
+       contentWindow.document.activeElement == searchBox, 
+       "The search box has focus");
+
+    searchTest(contentWindow);
+  }
+  contentWindow.addEventListener("tabviewsearchenabled", onSearchEnabled, false);
+  // enter search mode
+  EventUtils.sendMouseEvent({ type: "mousedown" }, searchButton, contentWindow);
+}
+
+// ----------
+function searchTest(contentWindow) {
+  let searchBox = contentWindow.document.getElementById("searchbox");
+
+  // force an update to make sure the correct titles are in the TabItems
+  let tabItems = contentWindow.TabItems.getItems();
+  ok(tabItems.length == 3, "Have three tab items");
+  tabItems.forEach(function(tabItem) {
+    contentWindow.TabItems._update(tabItem.tab);
+  });
+
+  // empty string
+  searchBox.setAttribute("value", "");
+  is(new contentWindow.TabMatcher(
+      searchBox.getAttribute("value")).matched().length, 0,
+     "Match nothing if it's an empty string");
+
+  // one char
+  searchBox.setAttribute("value", "s");
+  is(new contentWindow.TabMatcher(
+      searchBox.getAttribute("value")).matched().length, 0,
+     "Match nothing if the length of search term is less than 2");
+
+  // the full title
+  searchBox.setAttribute("value", "search test 1");
+  is(new contentWindow.TabMatcher(
+      searchBox.getAttribute("value")).matched().length, 1,
+     "Match something when the whole title exists");
+  
+  // part of title
+  searchBox.setAttribute("value", "search");
+  contentWindow.Search.perform();
+  is(new contentWindow.TabMatcher(
+      searchBox.getAttribute("value")).matched().length, 2,
+     "Match something when a part of title exists");
+
+  // unique part of a url 
+  searchBox.setAttribute("value", "search1.html");
+  contentWindow.Search.perform();
+  is(new contentWindow.TabMatcher(
+      searchBox.getAttribute("value")).matched().length, 1,
+     "Match something when a unique part of a url exists");
+   
+  // common part of a url
+  searchBox.setAttribute("value", "tabview");
+  contentWindow.Search.perform();
+  is(new contentWindow.TabMatcher(
+      searchBox.getAttribute("value")).matched().length, 2,
+     "Match something when a common part of a url exists");
+     
+  cleanup(contentWindow);
+}
+
+// ----------
+function cleanup(contentWindow) {       
+  contentWindow.Search.hide(null);     
+  let onTabViewHidden = function() {
+    window.removeEventListener("tabviewhidden", onTabViewHidden, false);
+    ok(!TabView.isVisible(), "Tab View is hidden");
+
+    gBrowser.removeTab(newTabs[0]);
+    gBrowser.removeTab(newTabs[1]);
+
+    finish();
+  }
+  window.addEventListener("tabviewhidden", onTabViewHidden, false);
+  EventUtils.synthesizeKey("VK_RETURN", {});
+}