[testing] Convert some "preparser" tests into "message".

test/preparser/testcfg.py

 # Copyright 2011 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
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 27 matching lines @@
 INVALID_FLAGS = ["--enable-slow-asserts"]
 
 
 class PreparserTestSuite(testsuite.TestSuite):
   def __init__(self, name, root):
     super(PreparserTestSuite, self).__init__(name, root)
 
   def shell(self):
     return "d8"
 
-  def _GetExpectations(self):
-    expects_file = os.path.join(self.root, "preparser.expectation")
-    expectations_map = {}
-    if not os.path.exists(expects_file): return expectations_map
-    rule_regex = re.compile("^([\w\-]+)(?::([\w\-]+))?(?::(\d+),(\d+))?$")
-    for line in utils.ReadLinesFrom(expects_file):
-      rule_match = rule_regex.match(line)
-      if not rule_match: continue
-      expects = []
-      if (rule_match.group(2)):
-        expects += [rule_match.group(2)]
-        if (rule_match.group(3)):
-          expects += [rule_match.group(3), rule_match.group(4)]
-      expectations_map[rule_match.group(1)] = " ".join(expects)
-    return expectations_map
-
   def _ParsePythonTestTemplates(self, result, filename):
     pathname = os.path.join(self.root, filename + ".pyt")
     def Test(name, source, expectation, extra_flags=[]):
       source = source.replace("\n", " ")
       testname = os.path.join(filename, name)
       flags = ["-e", source]
       if expectation:
         flags += ["--throws"]
       flags += extra_flags
       test = testcase.TestCase(self, testname, flags=flags)
       result.append(test)
     def Template(name, source):
       def MkTest(replacement, expectation):
         testname = name
         testsource = source
         for key in replacement.keys():
           testname = testname.replace("$" + key, replacement[key]);
           testsource = testsource.replace("$" + key, replacement[key]);
         Test(testname, testsource, expectation)
       return MkTest
     execfile(pathname, {"Test": Test, "Template": Template})
 
   def ListTests(self, context):
-    expectations = self._GetExpectations()
     result = []
 
     # Find all .js files in this directory.
     filenames = [f[:-3] for f in os.listdir(self.root) if f.endswith(".js")]
     filenames.sort()
     for f in filenames:
-      throws = expectations.get(f, None)
       flags = [f + ".js"]
-      if throws:
-        flags += ["--throws"]
       test = testcase.TestCase(self, f, flags=flags)
       result.append(test)
 
     # Find all .pyt files in this directory.
     filenames = [f[:-4] for f in os.listdir(self.root) if f.endswith(".pyt")]
     filenames.sort()
     for f in filenames:
       self._ParsePythonTestTemplates(result, f)
     return result
 
@@ skipping 17 matching lines @@
       return testcase.flags[1]
     with open(testcase.flags[0]) as f:
       return f.read()
 
   def _VariantGeneratorFactory(self):
     return testsuite.StandardVariantGenerator
 
 
 def GetSuite(name, root):
   return PreparserTestSuite(name, root)