text: import py
  import sys
  
  class AppTestWin32:
      spaceconfig = dict(usemodules=('_multiprocessing', '_cffi_backend',
                                     'signal', '_rawffi', 'binascii'))
  
      def setup_class(cls):
          if sys.platform != "win32":
              py.test.skip("win32 only")
  
      def test_CreateFile(self):
          from _multiprocessing import win32
          err = raises(WindowsError, win32.CreateFile,
                       "in/valid", 0, 0, 0, 0, 0, 0)
          assert err.value.winerror == 87 # ERROR_INVALID_PARAMETER
  
      def test_pipe(self):
          from _multiprocessing import win32
          import os
          address = r'\\.\pipe\pypy-test-%s' % (os.getpid())
          openmode = win32.PIPE_ACCESS_INBOUND
          access = win32.GENERIC_WRITE
          obsize, ibsize = 0, 8192
          readhandle = win32.CreateNamedPipe(
              address, openmode,
              win32.PIPE_TYPE_MESSAGE | win32.PIPE_READMODE_MESSAGE |
              win32.PIPE_WAIT,
              1, obsize, ibsize, win32.NMPWAIT_WAIT_FOREVER, win32.NULL
              )
          writehandle = win32.CreateFile(
              address, access, 0, win32.NULL, win32.OPEN_EXISTING, 0, win32.NULL
              )
          win32.SetNamedPipeHandleState(
              writehandle, win32.PIPE_READMODE_MESSAGE, None, None)
  
          try:
              win32.ConnectNamedPipe(readhandle, win32.NULL)
          except WindowsError as e:
              if e.args[0] != win32.ERROR_PIPE_CONNECTED:
                  raise
  
          timeout = 100
          exc = raises(WindowsError, win32.WaitNamedPipe, address, timeout)
          assert exc.value.winerror == 121 # ERROR_SEM_TIMEOUT
  
          win32.CloseHandle(readhandle)
          win32.CloseHandle(writehandle)
  