YouCompleteMe Ninja integration should accept dirs named out_*

tools/vim/tests/chromium.ycm_extra_conf_unittest.py

 #!/usr/bin/env python
 
 # Copyright 2015 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.
 
 """Tests for chromium.ycm_extra_conf.
 
 These tests should be getting picked up by the PRESUBMIT.py in /tools/vim.
 Currently the tests only run on Linux and require 'ninja' to be available on
@@ skipping 145 matching lines @@
             self.chrome_root, os.path.join(self.chrome_root, 'one.cpp'))
     self.assertEquals(self.NormalizeStringsInList(clang_options), [
         '-I[SRC]',
         '-Wno-unknown-warning-option',
         '-I[OUT]/a',
         '-isysroot',
         '/mac.sdk',
         '-I[OUT]/tag-one'
         ])
 
+  def testOutDirNames(self):
+    out_root = os.path.join(self.chrome_root, 'out_with_underscore')
+    out_dir = os.path.join(out_root, 'Debug')
+    shutil.move(os.path.join(self.chrome_root, 'out'),
+        out_root)
+
+    clang_options = \
+        self.ycm_extra_conf.GetClangOptionsFromNinjaForFilename(
+            self.chrome_root, os.path.join(self.chrome_root, 'one.cpp'))
+    self.assertIn('-I%s/a' % out_dir, clang_options)
+    self.assertIn('-I%s/tag-one' % out_dir, clang_options)
+
   def testGetFlagsForFileForKnownCppFile(self):
     result = self.ycm_extra_conf.FlagsForFile(
         os.path.join(self.chrome_root, 'one.cpp'))
     self.assertTrue(result)
     self.assertTrue('do_cache' in result)
     self.assertTrue(result['do_cache'])
     self.assertTrue('flags' in result)
     self.assertEquals(self.NormalizeStringsInList(result['flags']), [
         '-DUSE_CLANG_COMPLETER',
         '-std=c++11',
@@ skipping 109 matching lines @@
         '-I[SRC]',
         '-Wno-unknown-warning-option',
         '-I[OUT]/a',
         '-isysroot',
         '/mac.sdk',
         '-I[OUT]/tag-default'
         ])
 
 if __name__ == '__main__':
   unittest.main()