diff -r 000000000000 -r 6474c204b198 browser/base/content/test/general/browser_drag.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/general/browser_drag.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+function test()
+{
+  waitForExplicitFinish();
+
+  let scriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
+                     getService(Ci.mozIJSSubScriptLoader);
+  let ChromeUtils = {};
+  scriptLoader.loadSubScript("chrome://mochikit/content/tests/SimpleTest/ChromeUtils.js", ChromeUtils);
+
+  // ---- Test dragging the proxy icon ---
+  var value = content.location.href;
+  var urlString = value + "\n" + content.document.title;
+  var htmlString = "<a href=\"" + value + "\">" + value + "</a>";
+  var expected = [ [
+    { type  : "text/x-moz-url",
+      data  : urlString },
+    { type  : "text/uri-list",
+      data  : value },
+    { type  : "text/plain",
+      data  : value },
+    { type  : "text/html",
+      data  : htmlString }
+  ] ];
+  // set the valid attribute so dropping is allowed
+  var oldstate = gURLBar.getAttribute("pageproxystate");
+  gURLBar.setAttribute("pageproxystate", "valid");
+  var dt = EventUtils.synthesizeDragStart(document.getElementById("identity-box"), expected);
+  is(dt, null, "drag on proxy icon");
+  gURLBar.setAttribute("pageproxystate", oldstate);
+  // Now, the identity information panel is opened by the proxy icon click.
+  // We need to close it for next tests.
+  EventUtils.synthesizeKey("VK_ESCAPE", {}, window);
+
+  // now test dragging onto a tab
+  var tab = gBrowser.addTab("about:blank", {skipAnimation: true});
+  var browser = gBrowser.getBrowserForTab(tab);
+
+  browser.addEventListener("load", function () {
+    is(browser.contentWindow.location, "http://mochi.test:8888/", "drop on tab");
+    gBrowser.removeTab(tab);
+    finish();
+  }, true);
+
+  ChromeUtils.synthesizeDrop(tab, tab, [[{type: "text/uri-list", data: "http://mochi.test:8888/"}]], "copy", window);
+}