diff -r 000000000000 -r 6474c204b198 browser/base/content/test/newtab/browser_newtab_drag_drop_ext.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/newtab/browser_newtab_drag_drop_ext.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * These tests make sure that dragging and dropping sites works as expected.
+ * Sites contained in the grid need to shift around to indicate the result
+ * of the drag-and-drop operation. If the grid is full and we're dragging
+ * a new site into it another one gets pushed out.
+ * This is a continuation of browser_newtab_drag_drop.js
+ * to decrease test run time, focusing on external sites.
+ */
+function runTests() {
+  // drag a new site onto the very first cell
+  yield setLinks("0,1,2,3,4,5,6,7,8");
+  setPinnedLinks(",,,,,,,7,8");
+
+  yield addNewTabPageTab();
+  checkGrid("0,1,2,3,4,5,6,7p,8p");
+
+  yield simulateExternalDrop(0);
+  checkGrid("99p,0,1,2,3,4,5,7p,8p");
+
+  // drag a new site onto the grid and make sure that pinned cells don't get
+  // pushed out
+  yield setLinks("0,1,2,3,4,5,6,7,8");
+  setPinnedLinks(",,,,,,,7,8");
+
+  yield addNewTabPageTab();
+  checkGrid("0,1,2,3,4,5,6,7p,8p");
+
+  yield simulateExternalDrop(7);
+  checkGrid("0,1,2,3,4,5,7p,99p,8p");
+
+  // drag a new site beneath a pinned cell and make sure the pinned cell is
+  // not moved
+  yield setLinks("0,1,2,3,4,5,6,7,8");
+  setPinnedLinks(",,,,,,,,8");
+
+  yield addNewTabPageTab();
+  checkGrid("0,1,2,3,4,5,6,7,8p");
+
+  yield simulateExternalDrop(7);
+  checkGrid("0,1,2,3,4,5,6,99p,8p");
+
+  // drag a new site onto a block of pinned sites and make sure they're shifted
+  // around accordingly
+  yield setLinks("0,1,2,3,4,5,6,7,8");
+  setPinnedLinks("0,1,2,,,,,,");
+
+  yield addNewTabPageTab();
+  checkGrid("0p,1p,2p");
+
+  yield simulateExternalDrop(1);
+  checkGrid("0p,99p,1p,2p,3,4,5,6,7");
+}
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