Make testing i18n the default.

tools/run-tests.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 87 matching lines @@
                     help="Regard tests marked as flaky (run|skip|dontcare)",
                     default="dontcare")
   result.add_option("--command-prefix",
                     help="Prepended to each shell command used to run a test",
                     default="")
   result.add_option("--download-data", help="Download missing test suite data",
                     default=False, action="store_true")
   result.add_option("--extra-flags",
                     help="Additional flags to pass to each test command",
                     default="")
+  result.add_option("--i18n", help="Whether to test internationalization",
+                    default=False, action="store_true")
   result.add_option("--isolates", help="Whether to test isolates",
                     default=False, action="store_true")
   result.add_option("-j", help="The number of parallel tasks to run",
                     default=0, type="int")
   result.add_option("-m", "--mode",
                     help="The test modes in which to run (comma-separated)",
                     default="release,debug")
   result.add_option("--no-network", "--nonetwork",
                     help="Don't distribute tests on the network",
                     default=(utils.GuessOS() != "linux"),
@@ skipping 85 matching lines @@
   if options.stress_only:
     VARIANT_FLAGS = [["--stress-opt", "--always-opt"]]
   if options.valgrind:
     run_valgrind = os.path.join("tools", "run-valgrind.py")
     # This is OK for distributed running, so we don't need to set no_network.
     options.command_prefix = (["python", "-u", run_valgrind] +
                               options.command_prefix)
   if not options.flaky_tests in ["run", "skip", "dontcare"]:
     print "Unknown flaky test mode %s" % options.flaky_tests
     return False
+  if options.i18n:
+    DEFAULT_TESTS.append("intl")
   return True
 
 
 def ShardTests(tests, shard_count, shard_run):
   if shard_count < 2:
     return tests
   if shard_run < 1 or shard_run > shard_count:
     print "shard-run not a valid number, should be in [1:shard-count]"
     print "defaulting back to running all tests"
     return tests
@@ skipping 160 matching lines @@
   except KeyboardInterrupt:
     return 1
 
   if options.time:
     verbose.PrintTestDurations(suites, overall_duration)
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())