PRESUBMIT #include check enhancement: <sys/..> includes can be in any order.

PRESUBMIT_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 import os
 import re
 import unittest
 
 import PRESUBMIT
@@ skipping 157 matching lines @@
                 '#include "c.h"',
                 '#else',
                 '#include "b.h"',
                 '#endif',
                 '#include "a.h"']
     mock_file = MockFile('', contents)
     warnings = PRESUBMIT._CheckIncludeOrderInFile(
         mock_input_api, mock_file, True, range(1, len(contents) + 1))
     self.assertEqual(0, len(warnings))
 
+  def testSysIncludes(self):
+    # #include <sys/...>'s can appear in any order.
+    mock_input_api = MockInputApi()
+    contents = ['#include <sys/b.h>',
+                '#include <sys/a.h>']
+    mock_file = MockFile('', contents)
+    warnings = PRESUBMIT._CheckIncludeOrderInFile(
+        mock_input_api, mock_file, True, range(1, len(contents) + 1))
+    self.assertEqual(0, len(warnings))
+
 
 class VersionControlerConflictsTest(unittest.TestCase):
   def testTypicalConflict(self):
     lines = ['<<<<<<< HEAD',
              '  base::ScopedTempDir temp_dir_;',
              '=======',
              '  ScopedTempDir temp_dir_;',
              '>>>>>>> master']
     errors = PRESUBMIT._CheckForVersionControlConflictsInFile(
         MockInputApi(), MockFile('some/path/foo_platform.cc', lines))
     self.assertEqual(3, len(errors))
     self.assertTrue('1' in errors[0])
     self.assertTrue('3' in errors[1])
     self.assertTrue('5' in errors[2])
 
 
 if __name__ == '__main__':
   unittest.main()