diff -r 000000000000 -r 6474c204b198 tools/test-harness/jssh-driver/test_layout_engine.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/test-harness/jssh-driver/test_layout_engine.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+import unittest
+import sys, os
+import re, glob
+import difflib
+
+this_dir = os.path.abspath(os.path.dirname(__file__))
+data_dir = os.path.join(this_dir, 'data')
+
+from jssh_driver import JsshTester
+
+class LayoutEngineTests(unittest.TestCase):
+    
+    def setUp(self):
+        self.tester = JsshTester("localhost")
+        self.get_files_from_data_dir()
+
+    def get_files_from_data_dir(self):
+        self.html_files = glob.glob("%s/*.html" % data_dir)
+        print self.html_files
+        self.golden_images = [re.sub("\.html$", "_inner_html.txt", filename) for filename in self.html_files]
+        print self.golden_images
+        
+    def test_inner_html(self):
+        self.failUnless(len(self.html_files) == len(self.golden_images))
+        failures = 0
+        for file, golden_image in zip(self.html_files, self.golden_images):
+            local_url = "file:///" + file
+            local_url = re.sub(r"\\", "/", local_url)
+            print local_url
+            inner_html = self.tester.get_innerHTML_from_URL(local_url)
+            golden_inner_html = open(golden_image).read()
+            if inner_html != golden_inner_html:
+                failures += 1
+        self.failUnless(failures == 0)
+
+def main():
+    unittest.main()
+
+if __name__ == '__main__':
+    main()