[Isolates] Allow running multiple isolates in shell and use this in tests.

test/mjsunit/testcfg.py

 # 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
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 20 matching lines @@
 import re
 import tempfile
 
 FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
 FILES_PATTERN = re.compile(r"//\s+Files:(.*)")
 SELF_SCRIPT_PATTERN = re.compile(r"//\s+Env: TEST_FILE_NAME")
 
 
 class MjsunitTestCase(test.TestCase):
 
-  def __init__(self, path, file, mode, context, config):
+  def __init__(self, path, file, mode, context, config, isolates):
     super(MjsunitTestCase, self).__init__(context, path, mode)
     self.file = file
     self.config = config
     self.self_script = False
+    self.isolates = isolates
 
   def GetLabel(self):
     return "%s %s" % (self.mode, self.GetName())
 
   def GetName(self):
-    return self.path[-1]
+    return self.path[-1] + ["", "-isolates"][self.isolates]
 
-  def GetCommand(self):
+  def TestsIsolates(self):
+    return self.isolates
+
+  def GetVmCommand(self, source):
     result = self.config.context.GetVmCommand(self, self.mode)
-    source = open(self.file).read()
     flags_match = FLAGS_PATTERN.search(source)
     if flags_match:
       result += flags_match.group(1).strip().split()
+    return result
+
+  def GetVmArguments(self, source):
+    result = []
     additional_files = []
     files_match = FILES_PATTERN.search(source);
     # Accept several lines of 'Files:'
     while True:
       if files_match:
         additional_files += files_match.group(1).strip().split()
         files_match = FILES_PATTERN.search(source, files_match.end())
       else:
         break
     for a_file in additional_files:
       result.append(join(dirname(self.config.root), '..', a_file))
     framework = join(dirname(self.config.root), 'mjsunit', 'mjsunit.js')
     if SELF_SCRIPT_PATTERN.search(source):
       result.append(self.CreateSelfScript())
     result += [framework, self.file]
     return result
 
+  def GetCommand(self):
+    source = open(self.file).read()
+    result = self.GetVmCommand(source)
+    result += self.GetVmArguments(source)
+    if self.isolates:
+      result.append("--isolate")
+      result += self.GetVmArguments(source)
+    return result
+
   def GetSource(self):
     return open(self.file).read()
 
   def CreateSelfScript(self):
     (fd_self_script, self_script) = tempfile.mkstemp(suffix=".js")
     def MakeJsConst(name, value):
       return "var %(name)s=\'%(value)s\';\n" % \
              {'name': name, \
               'value': value.replace('\\', '\\\\').replace('\'', '\\\'') }
     try:
@@ skipping 23 matching lines @@
     regress = [current_path + ['regress', t] for t in self.Ls(join(self.root, 'regress'))]
     bugs = [current_path + ['bugs', t] for t in self.Ls(join(self.root, 'bugs'))]
     third_party = [current_path + ['third_party', t] for t in self.Ls(join(self.root, 'third_party'))]
     tools = [current_path + ['tools', t] for t in self.Ls(join(self.root, 'tools'))]
     compiler = [current_path + ['compiler', t] for t in self.Ls(join(self.root, 'compiler'))]
     all_tests = mjsunit + regress + bugs + third_party + tools + compiler
     result = []
     for test in all_tests:
       if self.Contains(path, test):
         file_path = join(self.root, reduce(join, test[1:], "") + ".js")
-        result.append(MjsunitTestCase(test, file_path, mode, self.context, self))
+        result.append(MjsunitTestCase(test, file_path, mode, self.context, self, False))
+        result.append(MjsunitTestCase(test, file_path, mode, self.context, self, True))
     return result
 
   def GetBuildRequirements(self):
     return ['sample', 'sample=shell']
 
   def GetTestStatus(self, sections, defs):
     status_file = join(self.root, 'mjsunit.status')
     if exists(status_file):
       test.ReadConfigurationInto(status_file, sections, defs)
 
 
 
 def GetConfiguration(context, root):
   return MjsunitTestConfiguration(context, root)