old_contents: # -*- coding: utf-8 -*-
  
  """
  
  ZUGBRUECKE
  Calling routines in Windows DLLs from Python scripts running on unixlike systems
  https://github.com/pleiszenburg/zugbruecke
  
  	tests/test_sqrt_int.py: Test function with single parameter
  
  	Required to run on platform / side: [UNIX, WINE]
  
  	Copyright (C) 2017-2019 Sebastian M. Ernst <ernst@pleiszenburg.de>
  
  <LICENSE_BLOCK>
  The contents of this file are subject to the GNU Lesser General Public License
  Version 2.1 ("LGPL" or "License"). You may not use this file except in
  compliance with the License. You may obtain a copy of the License at
  https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
  https://github.com/pleiszenburg/zugbruecke/blob/master/LICENSE
  
  Software distributed under the License is distributed on an "AS IS" basis,
  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
  specific language governing rights and limitations under the License.
  </LICENSE_BLOCK>
  
  """
  
  
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  # IMPORT
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  from sys import platform
  if any([platform.startswith(os_name) for os_name in ['linux', 'darwin', 'freebsd']]):
  	import zugbruecke.ctypes as ctypes
  elif platform.startswith('win'):
  	import ctypes
  
  import pytest
  
  
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  # CLASSES AND ROUTINES
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  class sample_class:
  
  
  	def __init__(self):
  
  		self.__dll__ = ctypes.windll.LoadLibrary('tests/demo_dll.dll')
  
  		self.__replace_r__ = self.__dll__.replace_letter_in_null_terminated_string_r
  		self.__replace_r__.argtypes = (
  			ctypes.POINTER(ctypes.POINTER(ctypes.c_char)), # Generate pointer to char manually
  			ctypes.c_char,
  			ctypes.c_char
  			)
  		self.__replace_r__.memsync = [
  			{
  				'p': [0, -1],
  				'n': True
  				}
  			]
  
  
  	def replace_r(self, in_string, old_letter, new_letter):
  
  		string_buffer = (ctypes.c_char_p * 1)(in_string.encode('utf-8'))
  		string_buffer_p = ctypes.cast(
  			string_buffer,
  			ctypes.POINTER(ctypes.POINTER(ctypes.c_char))
  			)
  
  		self.__replace_r__(
  			string_buffer_p,
  			old_letter.encode('utf-8'),
  			new_letter.encode('utf-8')
  			)
  
  		return string_buffer[:][0].decode('utf-8')
  
  
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  # TEST(s)
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  @pytest.mark.xfail(strict = False, reason = 'not yet implemented')
  def test_r_strsxp():
  
  	sample = sample_class()
  	assert 'zetegehube' == sample.replace_r('zategahuba', 'a', 'e')
  
new_contents: # -*- coding: utf-8 -*-
  
  """
  
  ZUGBRUECKE
  Calling routines in Windows DLLs from Python scripts running on unixlike systems
  https://github.com/pleiszenburg/zugbruecke
  
  	tests/test_sqrt_int.py: Test function with single parameter
  
  	Required to run on platform / side: [UNIX, WINE]
  
  	Copyright (C) 2017-2019 Sebastian M. Ernst <ernst@pleiszenburg.de>
  
  <LICENSE_BLOCK>
  The contents of this file are subject to the GNU Lesser General Public License
  Version 2.1 ("LGPL" or "License"). You may not use this file except in
  compliance with the License. You may obtain a copy of the License at
  https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
  https://github.com/pleiszenburg/zugbruecke/blob/master/LICENSE
  
  Software distributed under the License is distributed on an "AS IS" basis,
  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
  specific language governing rights and limitations under the License.
  </LICENSE_BLOCK>
  
  """
  
  
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  # IMPORT
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  from sys import platform
  if any([platform.startswith(os_name) for os_name in ['linux', 'darwin', 'freebsd']]):
  	import zugbruecke.ctypes as ctypes
  elif platform.startswith('win'):
  	import ctypes
  
  import pytest
  
  
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  # CLASSES AND ROUTINES
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  class sample_class:
  
  
  	def __init__(self):
  
  		self.__dll__ = ctypes.windll.LoadLibrary('tests/demo_dll.dll')
  
  		self.__replace_r__ = self.__dll__.replace_letter_in_null_terminated_string_r
  		self.__replace_r__.argtypes = (
  			ctypes.POINTER(ctypes.POINTER(ctypes.c_char)), # Generate pointer to char manually
  			ctypes.c_char,
  			ctypes.c_char
  			)
  		self.__replace_r__.memsync = [
  			{
  				'p': [0, -1],
  				'n': True
  				}
  			]
  
  
  	def replace_r(self, in_string, old_letter, new_letter):
  
  		string_buffer = (ctypes.c_char_p * 1)(in_string.encode('utf-8'))
  		string_buffer_p = ctypes.cast(
  			string_buffer,
  			ctypes.POINTER(ctypes.POINTER(ctypes.c_char))
  			)
  
  		self.__replace_r__(
  			string_buffer_p,
  			old_letter.encode('utf-8'),
  			new_letter.encode('utf-8')
  			)
  
  		return string_buffer[:][0].decode('utf-8')
  
  
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  # TEST(s)
  # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  
  # @pytest.mark.xfail(strict = False, reason = 'not yet implemented')
  def test_r_strsxp():
  
  	sample = sample_class()
  	assert 'zetegehube' == sample.replace_r('zategahuba', 'a', 'e')
  
subject: allow test to break