Added message tests.

tools/test.py

 #!/usr/bin/env python
 #
 # Copyright 2008 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 246 matching lines @@
     self.exit_code = exit_code
     self.stdout = stdout
     self.stderr = stderr
 
 
 class TestCase(object):
 
   def __init__(self, context, path):
     self.path = path
     self.context = context
+    self.failed = None
 
   def IsNegative(self):
     return False
 
+  def DidFail(self, output):
+    if self.failed is None:
+      self.failed = self.IsFailureOutput(output)
+    return self.failed
+
   def IsFailureOutput(self, output):
     return output.exit_code != 0
 
   def GetSource(self):
     return "(no source available)"
 
   def Run(self):
     command = self.GetCommand()
     full_command = self.context.processor(command)
     output = Execute(full_command, self.context, self.context.timeout)
     return TestOutput(self, full_command, output)
 
 
 class TestOutput(object):
 
   def __init__(self, test, command, output):
     self.test = test
     self.command = command
     self.output = output
 
   def UnexpectedOutput(self):
     if self.HasFailed():
       outcome = FAIL
     else:
       outcome = PASS
     return not outcome in self.test.outcomes
 
   def HasFailed(self):
-    execution_failed = self.test.IsFailureOutput(self.output)
+    execution_failed = self.test.DidFail(self.output)
     if self.test.IsNegative():
       return not execution_failed
     else:
       return execution_failed
 
 
 def KillProcessWithID(pid):
   if platform.system() == 'Windows':
     os.popen('taskkill /T /F /PID %d' % pid)
   else:
@@ skipping 743 matching lines @@
     return ExpandCommand
   else:
     pos = value.find('@')
     prefix = value[:pos].split()
     suffix = value[pos+1:].split()
     def ExpandCommand(args):
       return prefix + args + suffix
     return ExpandCommand
 
 
-BUILT_IN_TESTS = ['mjsunit', 'cctest']
+BUILT_IN_TESTS = ['mjsunit', 'cctest', 'message']
 
 
 def GetSuites(test_root):
   def IsSuite(path):
     return isdir(path) and exists(join(path, 'testcfg.py'))
   return [ f for f in os.listdir(test_root) if IsSuite(join(test_root, f)) ]
 
 
 def Main():
   parser = BuildOptions()
@@ skipping 88 matching lines @@
         return 0
       else:
         return 1
     except KeyboardInterrupt:
       print "Interrupted"
       return 1
 
 
 if __name__ == '__main__':
   sys.exit(Main())