Add a leg_only test suite, and make sure to run it in our presubmit script.

frog/presubmit.py

 #!/usr/bin/env python
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import os
 import subprocess
 import sys
 import time
 
@@ skipping 65 matching lines @@
   print 'Bootstrapping took %s seconds %s' % (b(elapsed), b('in checked mode'))
   print 'Generated %s frogsh is %s kB' % (b('checked'), b(size))
 
   RunCommand('../tools/build.py', '--mode=release')
   test_cmd = ['../tools/test.py', '--component=frog,frogsh,leg',
               '--report', '--timeout=5', '--progress=color',
               '--mode=release']
   if args[1:]:
     test_cmd.extend(args[1:])
   else:
-    test_cmd.extend(['language', 'corelib', 'leg', 'isolate', 'peg'])
+    test_cmd.extend(['language', 'corelib', 'leg', 'isolate', 'peg', 'leg_only'])

[kasperl, 2011/11/08 11:34:13]

Long line.

[ngeoffray, 2011/11/08 11:46:11]

Done.

   RunCommand(*test_cmd, verbose=True)
 
-  leg_test_dir = os.path.join('leg', 'tests')
-  for current_dir, directories, filenames in os.walk(leg_test_dir):
-    for filename in filenames:
-      if filename.endswith('.dart'):
-        pattern = 'info: [leg] compilation succeeded'
-        node_exit_code = 0
-        vm_exit_code = 0
-        if filename == 'empty.dart':
-          pattern = 'info: [leg] compiler cancelled: Could not find main'
-          node_exit_code = 1
-          vm_exit_code = 255 # Sigh.
-        filename = os.path.join(current_dir, filename)
-        frog_bin = os.path.join('.', 'frogsh')
-        RunCommand(frog_bin, '--enable_leg', '--verbose', '--throw_on_errors',
-                   filename, pattern=pattern, exit_code=node_exit_code)
-        frog_bin = os.path.join('.', 'frog.py')
-        RunCommand(frog_bin,
-                   '--vm_flags=--enable_type_checks --enable_asserts',
-                   '--', '--enable_leg', '--verbose', '--throw_on_errors',
-                   filename, pattern=pattern, exit_code=vm_exit_code)
-
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv))
   except Error as e:
     sys.stderr.write('%s\n' % e)
     sys.exit(1)