old_contents: #!/usr/bin/env python
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  """
  Verify that SCons reports an error when cleaning up a target directory
  containing a named pipe created with o.mkfifo().
  """
  
  import os
  
  import TestSCons
  
  test = TestSCons.TestSCons()
  
  if not hasattr(os, 'mkfifo'):
      test.skip_test('No os.mkfifo() function; skipping test\n')
  
  test.write('SConstruct', """\
  Execute(Mkdir("testdir"))
  dir = Dir("testdir")
  Clean(dir, 'testdir')
  """)
  
  test.run(arguments='-Q -q', stdout='Mkdir("testdir")\n')
  
  os.mkfifo('testdir/namedpipe')
  
  expect1 = """\
  Mkdir("testdir")
  Path '%s' exists but isn't a file or directory.
  scons: Could not remove 'testdir': Directory not empty
  """ % os.path.join('testdir', 'namedpipe')
  
  expect2 = """\
  Mkdir("testdir")
  Path '%s' exists but isn't a file or directory.
  scons: Could not remove 'testdir': File exists
  """ % os.path.join('testdir', 'namedpipe')
  
  test.run(arguments='-c -Q -q')
  
  if test.stdout() not in [expect1, expect2]:
      test.diff(expect1, test.stdout(), 'STDOUT ')
      test.fail_test()
   
  test.must_exist(test.workpath('testdir/namedpipe'))
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  
new_contents: #!/usr/bin/env python
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  """
  Verify that SCons reports an error when cleaning up a target directory
  containing a named pipe created with o.mkfifo().
  """
  
  import os
  
  import TestSCons
  
  test = TestSCons.TestSCons()
  
  if not hasattr(os, 'mkfifo'):
      test.skip_test('No os.mkfifo() function; skipping test\n')
  
  test_dir_name = 'testdir'
  pipe_path = os.path.join(test_dir_name, 'namedpipe')
  
  test.write('SConstruct', """\
  Execute(Mkdir("{0}"))
  dir = Dir("{0}")
  Clean(dir, '{0}')
  """.format(test_dir_name))
  
  test.run(arguments='-Q -q', stdout='Mkdir("{0}")\n'.format(test_dir_name))
  
  os.mkfifo(pipe_path)
  
  test.must_exist(test.workpath(pipe_path))
  
  expect1 = """\
  Mkdir("{0}")
  Path '{1}' exists but isn't a file or directory.
  scons: Could not remove '{0}': Directory not empty
  """.format(test_dir_name, pipe_path)
  
  expect2 = """\
  Mkdir("{0}")
  Path '{1}' exists but isn't a file or directory.
  scons: Could not remove '{0}': File exists
  """.format(test_dir_name, pipe_path)
  
  test.run(arguments='-c -Q -q')
  
  test.must_exist(test.workpath(pipe_path))
  
  if test.stdout() not in [expect1, expect2]:
      test.diff(expect1, test.stdout(), 'STDOUT ')
      test.fail_test()
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  
subject: Refactor of test, but it still fails due to missing output from SCons.