Initial import of unittests using GTest/GMock.

tools/presubmit.py

 #!/usr/bin/env python
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 83 matching lines @@
 whitespace/indent
 whitespace/labels
 whitespace/line_length
 whitespace/newline
 whitespace/operators
 whitespace/parens
 whitespace/tab
 whitespace/todo
 """.split()
 
-# TODO(bmeurer): Fix and re-enable readability/check
+#TODO(bmeurer) : Fix and re - enable readability / check
 
 LINT_OUTPUT_PATTERN = re.compile(r'^.+[:(]\d+[:)]|^Done processing')
 
 
 def CppLintWorker(command):
   try:
     process = subprocess.Popen(command, stderr=subprocess.PIPE)
     process.wait()
     out_lines = ""
     error_count = -1
@@ skipping 114 matching lines @@
     return (super(CppLintProcessor, self).IgnoreDir(name)
               or (name == 'third_party'))
 
   IGNORE_LINT = ['flag-definitions.h']
 
   def IgnoreFile(self, name):
     return (super(CppLintProcessor, self).IgnoreFile(name)
               or (name in CppLintProcessor.IGNORE_LINT))
 
   def GetPathsToSearch(self):
-    return ['src', 'include', 'samples', join('test', 'cctest')]
+    return ['src', 'include', 'samples', join('test', 'cctest'),
+            join('test', 'unittests')]
 
   def GetCpplintScript(self, prio_path):
     for path in [prio_path] + os.environ["PATH"].split(os.pathsep):
       path = path.strip('"')
       cpplint = os.path.join(path, "cpplint.py")
       if os.path.isfile(cpplint):
         return cpplint
 
     return None
 
@@ skipping 194 matching lines @@
   success = SourceProcessor().Run(workspace) and success
   success = CheckGeneratedRuntimeTests(workspace) and success
   if success:
     return 0
   else:
     return 1
 
 
 if __name__ == '__main__':
   sys.exit(Main())