scoped_refptr implicit conversion cleanup tool.

tools/clang/scripts/test_tool.py

 #!/usr/bin/env python
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Test harness for chromium clang tools."""
 
 import difflib
 import glob
 import json
@@ skipping 69 matching lines @@
     passed = 0
     failed = 0
     for expected, actual in zip(expected_files, actual_files):
       print '[ RUN      ] %s' % os.path.relpath(actual)
       expected_output = actual_output = None
       with open(expected, 'r') as f:
         expected_output = f.readlines()
       with open(actual, 'r') as f:
         actual_output = f.readlines()
       if actual_output != expected_output:
-        print '[  FAILED  ] %s' % os.path.relpath(actual)
         failed += 1
         for line in difflib.unified_diff(expected_output, actual_output,
                                          fromfile=os.path.relpath(expected),
                                          tofile=os.path.relpath(actual)):
           sys.stdout.write(line)
+        print '[  FAILED  ] %s' % os.path.relpath(actual)
         # Don't clean up the file on failure, so the results can be referenced
         # more easily.
         continue
       print '[       OK ] %s' % os.path.relpath(actual)
       passed += 1
       os.remove(actual)
 
     if failed == 0:
       os.remove(compile_database)
 
     print '[==========] %s ran.' % _NumberOfTestsToString(len(source_files))
     if passed > 0:
       print '[  PASSED  ] %s.' % _NumberOfTestsToString(passed)
     if failed > 0:
       print '[  FAILED  ] %s.' % _NumberOfTestsToString(failed)
   finally:
     # No matter what, unstage the git changes we made earlier to avoid polluting
     # the index.
     args = ['git', 'reset', '--quiet', 'HEAD']
     args.extend(actual_files)
     subprocess.call(args)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))