old_contents: import os
  
  from pipenv.project import Project
  from pipenv._compat import Path
  
  import pytest
  
  
  # This module is run only on Windows.
  pytestmark = pytest.mark.skipif(os.name != 'nt', reason="only relevant on windows")
  
  
  @pytest.mark.project
  def test_case_changes_windows(PipenvInstance, pypi):
      """Test project matching for case changes on Windows.
      """
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install pytz')
          assert c.return_code == 0
  
          virtualenv_location = Project().virtualenv_location
          target = p.path.upper()
          if target == p.path:
              target = p.path.lower()
          os.chdir('..')
          os.chdir(target)
          assert os.path.abspath(os.curdir) != p.path
  
          venv = p.pipenv('--venv').out
          assert venv.strip().lower() == virtualenv_location.lower()
  
  
  @pytest.mark.files
  def test_local_path_windows(PipenvInstance, pypi):
      whl = (
          Path(__file__).parent.parent
          .joinpath('pypi', 'six', 'six-1.11.0-py2.py3-none-any.whl')
      )
      try:
          whl = whl.resolve()
      except OSError:
          whl = whl.absolute()
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install "{0}"'.format(whl))
          assert c.return_code == 0
  
  
  @pytest.mark.files
  def test_local_path_windows_forward_slash(PipenvInstance, pypi):
      whl = (
          Path(__file__).parent.parent
          .joinpath('pypi', 'six', 'six-1.11.0-py2.py3-none-any.whl')
      )
      try:
          whl = whl.resolve()
      except OSError:
          whl = whl.absolute()
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install "{0}"'.format(whl.as_posix()))
          assert c.return_code == 0
  
new_contents: import os
  
  from pipenv.project import Project
  from pipenv._compat import Path
  
  import pytest
  
  
  # This module is run only on Windows.
  pytestmark = pytest.mark.skipif(os.name != 'nt', reason="only relevant on windows")
  
  
  @pytest.mark.project
  def test_case_changes_windows(PipenvInstance, pypi):
      """Test project matching for case changes on Windows.
      """
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install pytz')
          assert c.return_code == 0
  
          # Canonical venv location.
          c = p.pipenv('--venv')
          assert c.return_code == 0
          virtualenv_location = c.out.strip()
  
          # Dance around to change the casing of the project directory.
          target = p.path.upper()
          if target == p.path:
              target = p.path.lower()
          os.chdir('..')
          os.chdir(target)
          assert os.path.abspath(os.curdir) != p.path
  
          # Ensure the incorrectly-cased project can find the correct venv.
          c = p.pipenv('--venv')
          assert c.return_code == 0
          assert c.out.strip().lower() == virtualenv_location.lower()
  
  
  @pytest.mark.files
  def test_local_path_windows(PipenvInstance, pypi):
      whl = (
          Path(__file__).parent.parent
          .joinpath('pypi', 'six', 'six-1.11.0-py2.py3-none-any.whl')
      )
      try:
          whl = whl.resolve()
      except OSError:
          whl = whl.absolute()
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install "{0}"'.format(whl))
          assert c.return_code == 0
  
  
  @pytest.mark.files
  def test_local_path_windows_forward_slash(PipenvInstance, pypi):
      whl = (
          Path(__file__).parent.parent
          .joinpath('pypi', 'six', 'six-1.11.0-py2.py3-none-any.whl')
      )
      try:
          whl = whl.resolve()
      except OSError:
          whl = whl.absolute()
      with PipenvInstance(pypi=pypi, chdir=True) as p:
          c = p.pipenv('install "{0}"'.format(whl.as_posix()))
          assert c.return_code == 0
  
subject: Fix casing test on Windows