old_contents: # -*- coding: utf-8 -*-
  """
      Pygments tests with example files
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
      :copyright: 2006-2008 by Georg Brandl.
      :license: BSD, see LICENSE for more details.
  """
  
  import os
  import unittest
  
  from pygments import highlight
  from pygments.lexers import get_lexer_for_filename, get_lexer_by_name
  from pygments.token import Error
  from pygments.util import ClassNotFound
  
  
  # generate methods
  def test_example_files():
      testdir = os.path.dirname(__file__)
      for fn in os.listdir(os.path.join(testdir, 'examplefiles')):
          absfn = os.path.join(testdir, 'examplefiles', fn)
          if not os.path.isfile(absfn):
              continue
  
          try:
              lx = get_lexer_for_filename(absfn)
          except ClassNotFound:
              try:
                  name, rest = fn.split("_", 1)
                  lx = get_lexer_by_name(name)
              except ClassNotFound:
                  raise AssertionError('no lexer found for file %r' % fn)
          yield check_lexer, lx, absfn
  
  def check_lexer(lx, absfn):
      text = file(absfn, 'U').read()
      text = text.strip('\n') + '\n'
      text = text.decode('latin1')
      ntext = []
      for type, val in lx.get_tokens(text):
          ntext.append(val)
          assert type != Error, 'lexer generated error token for ' + absfn
      if u''.join(ntext) != text:
          raise AssertionError('round trip failed for ' + absfn)
  
new_contents: # -*- coding: utf-8 -*-
  """
      Pygments tests with example files
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
      :copyright: 2006-2008 by Georg Brandl.
      :license: BSD, see LICENSE for more details.
  """
  
  import os
  import unittest
  
  from pygments import highlight
  from pygments.lexers import get_lexer_for_filename, get_lexer_by_name
  from pygments.token import Error
  from pygments.util import ClassNotFound
  
  
  # generate methods
  def test_example_files():
      testdir = os.path.dirname(__file__)
      for fn in os.listdir(os.path.join(testdir, 'examplefiles')):
          absfn = os.path.join(testdir, 'examplefiles', fn)
          if not os.path.isfile(absfn):
              continue
  
          try:
              lx = get_lexer_for_filename(absfn)
          except ClassNotFound:
              if "_" not in fn:
                  raise AssertionError('file %r has no registered extension, '
                                       'nor is of the form <lexer>_filename '
                                       'for overriding, thus no lexer found.'
                                      % fn)
              try:
                  name, rest = fn.split("_", 1)
                  lx = get_lexer_by_name(name)
              except ClassNotFound:
                  raise AssertionError('no lexer found for file %r' % fn)
          yield check_lexer, lx, absfn
  
  def check_lexer(lx, absfn):
      text = file(absfn, 'U').read()
      text = text.strip('\n') + '\n'
      text = text.decode('latin1')
      ntext = []
      for type, val in lx.get_tokens(text):
          ntext.append(val)
          assert type != Error, 'lexer generated error token for ' + absfn
      if u''.join(ntext) != text:
          raise AssertionError('round trip failed for ' + absfn)
  
subject: Make test_examplefiles show a better error when there are strange files hanging out in the examplefiles dir.