text: # From Python 2.5.1
  # tempfile.py unit tests.
  import tempfile
  import os
  import sys
  import re
  import errno
  import warnings
  
  import unittest
  from test import test_support
  
  warnings.filterwarnings("ignore",
                          category=RuntimeWarning,
                          message="mktemp", module=__name__)
  
  if hasattr(os, 'stat'):
      import stat
      has_stat = 1
  else:
      has_stat = 0
  
  has_textmode = (tempfile._text_openflags != tempfile._bin_openflags)
  has_spawnl = hasattr(os, 'spawnl')
  
  # TEST_FILES may need to be tweaked for systems depending on the maximum
  # number of files that can be opened at one time (see ulimit -n)
  if sys.platform == 'mac':
      TEST_FILES = 32
  elif sys.platform in ('openbsd3', 'openbsd4'):
      TEST_FILES = 48
  elif sys.platform.startswith("java"):
      TEST_FILES = 32  # uniformly have a small number
  else:
      TEST_FILES = 100
  
  # This is organized as one test for each chunk of code in tempfile.py,
  # in order of their appearance in the file.  Testing which requires
  # threads is not done here.
  
  # Common functionality.
  class TC(unittest.TestCase):
  
      str_check = re.compile(r"[a-zA-Z0-9_-]{6}$")
  
      def failOnException(self, what, ei=None):
          if ei is None:
              ei = sys.exc_info()
          self.fail("%s raised %s: %s" % (what, ei[0], ei[1]))
  
      def nameCheck(self, name, dir, pre, suf):
          (ndir, nbase) = os.path.split(name)
          npre  = nbase[:len(pre)]
          nsuf  = nbase[len(nbase)-len(suf):]
  
          # check for equality of the absolute paths!
          self.assertEqual(os.path.abspath(ndir), os.path.abspath(dir),
                           "file '%s' not in directory '%s'" % (name, dir))
          self.assertEqual(npre, pre,
                           "file '%s' does not begin with '%s'" % (nbase, pre))
          self.assertEqual(nsuf, suf,
                           "file '%s' does not end with '%s'" % (nbase, suf))
  
          nbase = nbase[len(pre):len(nbase)-len(suf)]
          self.assert_(self.str_check.match(nbase),
                       "random string '%s' does not match /^[a-zA-Z0-9_-]{6}$/"
                       % nbase)
  
  test_classes = []
  
  class test_exports(TC):
      def test_exports(self):
          # There are no surprising symbols in the tempfile module
          dict = tempfile.__dict__
  
          expected = {
              "NamedTemporaryFile" : 1,
              "TemporaryFile" : 1,
              "mkstemp" : 1,
              "mkdtemp" : 1,
              "mktemp" : 1,
              "TMP_MAX" : 1,
              "gettempprefix" : 1,
              "gettempdir" : 1,
              "tempdir" : 1,
              "template" : 1,
              "SpooledTemporaryFile" : 1
          }
  
          unexp = []
          for key in dict:
              if key[0] != '_' and key not in expected:
                  unexp.append(key)
          self.failUnless(len(unexp) == 0,
                          "unexpected keys: %s" % unexp)
  
  test_classes.append(test_exports)
  
  
  class test__RandomNameSequence(TC):
      """Test the internal iterator object _RandomNameSequence."""
  
      def setUp(self):
          self.r = tempfile._RandomNameSequence()
  
      def test_get_six_char_str(self):
          # _RandomNameSequence returns a six-character string
          s = self.r.next()
          self.nameCheck(s, '', '', '')
  
      def test_many(self):
          # _RandomNameSequence returns no duplicate strings (stochastic)
  
          dict = {}
          r = self.r
          for i in xrange(TEST_FILES):
              s = r.next()
              self.nameCheck(s, '', '', '')
              self.failIf(s in dict)
              dict[s] = 1
  
      def test_supports_iter(self):
          # _RandomNameSequence supports the iterator protocol
  
          i = 0
          r = self.r
          try:
              for s in r:
                  i += 1
                  if i == 20:
                      break
          except:
              self.failOnException("iteration")
  
  test_classes.append(test__RandomNameSequence)
  
  
  class test__candidate_tempdir_list(TC):
      """Test the internal function _candidate_tempdir_list."""
  
      def test_nonempty_list(self):
          # _candidate_tempdir_list returns a nonempty list of strings
  
          cand = tempfile._candidate_tempdir_list()
  
          self.failIf(len(cand) == 0)
          for c in cand:
              self.assert_(isinstance(c, basestring),
                           "%s is not a string" % c)
  
      def test_wanted_dirs(self):
          # _candidate_tempdir_list contains the expected directories
  
          # Make sure the interesting environment variables are all set.
          with test_support.EnvironmentVarGuard() as env:
              for envname in 'TMPDIR', 'TEMP', 'TMP':
                  dirname = os.getenv(envname)
                  if not dirname:
                      env.set(envname, os.path.abspath(envname))
  
              cand = tempfile._candidate_tempdir_list()
  
              for envname in 'TMPDIR', 'TEMP', 'TMP':
                  dirname = os.getenv(envname)
                  if not dirname: raise ValueError
                  self.assert_(dirname in cand)
  
              try:
                  dirname = os.getcwd()
              except (AttributeError, os.error):
                  dirname = os.curdir
  
              self.assert_(dirname in cand)
  
              # Not practical to try to verify the presence of OS-specific
              # paths in this list.
  
  test_classes.append(test__candidate_tempdir_list)
  
  
  # We test _get_default_tempdir by testing gettempdir.
  
  
  class test__get_candidate_names(TC):
      """Test the internal function _get_candidate_names."""
  
      def test_retval(self):
          # _get_candidate_names returns a _RandomNameSequence object
          obj = tempfile._get_candidate_names()
          self.assert_(isinstance(obj, tempfile._RandomNameSequence))
  
      def test_same_thing(self):
          # _get_candidate_names always returns the same object
          a = tempfile._get_candidate_names()
          b = tempfile._get_candidate_names()
  
          self.assert_(a is b)
  
  test_classes.append(test__get_candidate_names)
  
  
  class test__mkstemp_inner(TC):
      """Test the internal function _mkstemp_inner."""
  
      class mkstemped:
          _bflags = tempfile._bin_openflags
          _tflags = tempfile._text_openflags
          _close = os.close
          _unlink = os.unlink
  
          def __init__(self, dir, pre, suf, bin):
              if bin: flags = self._bflags
              else:   flags = self._tflags
  
              (self.fd, self.name) = tempfile._mkstemp_inner(dir, pre, suf, flags)
  
          def write(self, str):
              os.write(self.fd, str)
              # XXX: self.test_choose_directory expects the file to have been deleted
              # (via __del__) by the time it's called, which is CPython specific
              # garbage collection behavior. We need to delete it now in Jython
              self._close(self.fd)
              self._unlink(self.name)
  
          def __del__(self):
              self._close(self.fd)
              if os.path.exists(self.name):
                  self._unlink(self.name)
  
      def do_create(self, dir=None, pre="", suf="", bin=1):
          if dir is None:
              dir = tempfile.gettempdir()
          try:
              file = self.mkstemped(dir, pre, suf, bin)
          except:
              self.failOnException("_mkstemp_inner")
  
          self.nameCheck(file.name, dir, pre, suf)
          return file
  
      def test_basic(self):
          # _mkstemp_inner can create files
          self.do_create().write("blat")
          self.do_create(pre="a").write("blat")
          self.do_create(suf="b").write("blat")
          self.do_create(pre="a", suf="b").write("blat")
          self.do_create(pre="aa", suf=".txt").write("blat")
  
      def test_basic_many(self):
          # _mkstemp_inner can create many files (stochastic)
          extant = range(TEST_FILES)
          for i in extant:
              extant[i] = self.do_create(pre="aa")
          # XXX: Ensure mkstemped files are deleted (can't rely on Java's
          # GC)
          for i in extant:
              i.__del__()
  
      def test_choose_directory(self):
          # _mkstemp_inner can create files in a user-selected directory
          dir = tempfile.mkdtemp()
          try:
              self.do_create(dir=dir).write("blat")
          finally:
              os.rmdir(dir)
  
      # XXX: Jython can't set the write mode yet
      def _test_file_mode(self):
          # _mkstemp_inner creates files with the proper mode
          if not has_stat:
              return            # ugh, can't use TestSkipped.
  
          file = self.do_create()
          mode = stat.S_IMODE(os.stat(file.name).st_mode)
          expected = 0600
          if sys.platform in ('win32', 'os2emx', 'mac'):
              # There's no distinction among 'user', 'group' and 'world';
              # replicate the 'user' bits.
              user = expected >> 6
              expected = user * (1 + 8 + 64)
          self.assertEqual(mode, expected)
  
      def test_noinherit(self):
          # _mkstemp_inner file handles are not inherited by child processes
          if not has_spawnl:
              return            # ugh, can't use TestSkipped.
  
          if test_support.verbose:
              v="v"
          else:
              v="q"
  
          file = self.do_create()
          fd = "%d" % file.fd
  
          try:
              me = __file__
          except NameError:
              me = sys.argv[0]
  
          # We have to exec something, so that FD_CLOEXEC will take
          # effect.  The core of this test is therefore in
          # tf_inherit_check.py, which see.
          tester = os.path.join(os.path.dirname(os.path.abspath(me)),
                                "tf_inherit_check.py")
  
          # On Windows a spawn* /path/ with embedded spaces shouldn't be quoted,
          # but an arg with embedded spaces should be decorated with double
          # quotes on each end
          if sys.platform in ('win32',):
              decorated = '"%s"' % sys.executable
              tester = '"%s"' % tester
          else:
              decorated = sys.executable
  
          retval = os.spawnl(os.P_WAIT, sys.executable, decorated, tester, v, fd)
          self.failIf(retval < 0,
                      "child process caught fatal signal %d" % -retval)
          self.failIf(retval > 0, "child process reports failure %d"%retval)
  
      def test_textmode(self):
          # _mkstemp_inner can create files in text mode
          if not has_textmode:
              return            # ugh, can't use TestSkipped.
  
          self.do_create(bin=0).write("blat\n")
          # XXX should test that the file really is a text file
  
  test_classes.append(test__mkstemp_inner)
  
  
  class test_gettempprefix(TC):
      """Test gettempprefix()."""
  
      def test_sane_template(self):
          # gettempprefix returns a nonempty prefix string
          p = tempfile.gettempprefix()
  
          self.assert_(isinstance(p, basestring))
          self.assert_(len(p) > 0)
  
      def test_usable_template(self):
          # gettempprefix returns a usable prefix string
  
          # Create a temp directory, avoiding use of the prefix.
          # Then attempt to create a file whose name is
          # prefix + 'xxxxxx.xxx' in that directory.
          p = tempfile.gettempprefix() + "xxxxxx.xxx"
          d = tempfile.mkdtemp(prefix="")
          try:
              p = os.path.join(d, p)
              try:
                  fd = os.open(p, os.O_RDWR | os.O_CREAT)
              except:
                  self.failOnException("os.open")
              os.close(fd)
              os.unlink(p)
          finally:
              os.rmdir(d)
  
  test_classes.append(test_gettempprefix)
  
  
  class test_gettempdir(TC):
      """Test gettempdir()."""
  
      def test_directory_exists(self):
          # gettempdir returns a directory which exists
  
          dir = tempfile.gettempdir()
          self.assert_(os.path.isabs(dir) or dir == os.curdir,
                       "%s is not an absolute path" % dir)
          self.assert_(os.path.isdir(dir),
                       "%s is not a directory" % dir)
  
      def test_directory_writable(self):
          # gettempdir returns a directory writable by the user
  
          # sneaky: just instantiate a NamedTemporaryFile, which
          # defaults to writing into the directory returned by
          # gettempdir.
          try:
              file = tempfile.NamedTemporaryFile()
              file.write("blat")
              file.close()
          except:
              self.failOnException("create file in %s" % tempfile.gettempdir())
  
      def test_same_thing(self):
          # gettempdir always returns the same object
          a = tempfile.gettempdir()
          b = tempfile.gettempdir()
  
          self.assert_(a is b)
  
  test_classes.append(test_gettempdir)
  
  
  class test_mkstemp(TC):
      """Test mkstemp()."""
  
      def do_create(self, dir=None, pre="", suf=""):
          if dir is None:
              dir = tempfile.gettempdir()
          try:
              (fd, name) = tempfile.mkstemp(dir=dir, prefix=pre, suffix=suf)
              (ndir, nbase) = os.path.split(name)
              adir = os.path.abspath(dir)
              self.assertEqual(adir, ndir,
                  "Directory '%s' incorrectly returned as '%s'" % (adir, ndir))
          except:
              self.failOnException("mkstemp")
  
          try:
              self.nameCheck(name, dir, pre, suf)
          finally:
              os.close(fd)
              os.unlink(name)
  
      def test_basic(self):
          # mkstemp can create files
          self.do_create()
          self.do_create(pre="a")
          self.do_create(suf="b")
          self.do_create(pre="a", suf="b")
          self.do_create(pre="aa", suf=".txt")
          self.do_create(dir=".")
  
      def test_choose_directory(self):
          # mkstemp can create directories in a user-selected directory
          dir = tempfile.mkdtemp()
          try:
              self.do_create(dir=dir)
          finally:
              os.rmdir(dir)
  
  test_classes.append(test_mkstemp)
  
  
  class test_mkdtemp(TC):
      """Test mkdtemp()."""
  
      def do_create(self, dir=None, pre="", suf=""):
          if dir is None:
              dir = tempfile.gettempdir()
          try:
              name = tempfile.mkdtemp(dir=dir, prefix=pre, suffix=suf)
          except:
              self.failOnException("mkdtemp")
  
          try:
              self.nameCheck(name, dir, pre, suf)
              return name
          except:
              os.rmdir(name)
              raise
  
      def test_basic(self):
          # mkdtemp can create directories
          os.rmdir(self.do_create())
          os.rmdir(self.do_create(pre="a"))
          os.rmdir(self.do_create(suf="b"))
          os.rmdir(self.do_create(pre="a", suf="b"))
          os.rmdir(self.do_create(pre="aa", suf=".txt"))
  
      def test_basic_many(self):
          # mkdtemp can create many directories (stochastic)
          extant = range(TEST_FILES)
          try:
              for i in extant:
                  extant[i] = self.do_create(pre="aa")
          finally:
              for i in extant:
                  if(isinstance(i, basestring)):
                      os.rmdir(i)
  
      def test_choose_directory(self):
          # mkdtemp can create directories in a user-selected directory
          dir = tempfile.mkdtemp()
          try:
              os.rmdir(self.do_create(dir=dir))
          finally:
              os.rmdir(dir)
  
      def test_mode(self):
          # mkdtemp creates directories with the proper mode
          if not has_stat:
              return            # ugh, can't use TestSkipped.
          if test_support.is_jython and not os._native_posix:
              # Java doesn't support stating files for permissions
              return
  
          dir = self.do_create()
          try:
              mode = stat.S_IMODE(os.stat(dir).st_mode)
              mode &= 0777 # Mask off sticky bits inherited from /tmp
              expected = 0700
              if (sys.platform in ('win32', 'os2emx', 'mac') or
                  test_support.is_jython and os._name == 'nt'):
                  # There's no distinction among 'user', 'group' and 'world';
                  # replicate the 'user' bits.
                  user = expected >> 6
                  expected = user * (1 + 8 + 64)
              self.assertEqual(mode, expected)
          finally:
              os.rmdir(dir)
  
  test_classes.append(test_mkdtemp)
  
  
  class test_mktemp(TC):
      """Test mktemp()."""
  
      # For safety, all use of mktemp must occur in a private directory.
      # We must also suppress the RuntimeWarning it generates.
      def setUp(self):
          self.dir = tempfile.mkdtemp()
  
      def tearDown(self):
          if self.dir:
              os.rmdir(self.dir)
              self.dir = None
  
      class mktemped:
          _unlink = os.unlink
          _bflags = tempfile._bin_openflags
  
          def __init__(self, dir, pre, suf):
              self.name = tempfile.mktemp(dir=dir, prefix=pre, suffix=suf)
              # Create the file.  This will raise an exception if it's
              # mysteriously appeared in the meanwhile.
              os.close(os.open(self.name, self._bflags, 0600))
              # XXX: test_mktemp.tearDown expects the file to have been deleted
              # (via __del__) by the time it's called, which is CPython specific
              # garbage collection behavior. We need to delete it now in Jython
              self._unlink(self.name)
  
          #def __del__(self):
          #    self._unlink(self.name)
  
      def do_create(self, pre="", suf=""):
          try:
              file = self.mktemped(self.dir, pre, suf)
          except:
              self.failOnException("mktemp")
  
          self.nameCheck(file.name, self.dir, pre, suf)
          return file
  
      def test_basic(self):
          # mktemp can choose usable file names
          self.do_create()
          self.do_create(pre="a")
          self.do_create(suf="b")
          self.do_create(pre="a", suf="b")
          self.do_create(pre="aa", suf=".txt")
  
      def test_many(self):
          # mktemp can choose many usable file names (stochastic)
          extant = range(TEST_FILES)
          for i in extant:
              extant[i] = self.do_create(pre="aa")
  
  ##     def test_warning(self):
  ##         # mktemp issues a warning when used
  ##         warnings.filterwarnings("error",
  ##                                 category=RuntimeWarning,
  ##                                 message="mktemp")
  ##         self.assertRaises(RuntimeWarning,
  ##                           tempfile.mktemp, dir=self.dir)
  
  test_classes.append(test_mktemp)
  
  
  # We test _TemporaryFileWrapper by testing NamedTemporaryFile.
  
  
  class test_NamedTemporaryFile(TC):
      """Test NamedTemporaryFile()."""
  
      def do_create(self, dir=None, pre="", suf="", delete=True):
          if dir is None:
              dir = tempfile.gettempdir()
          try:
              file = tempfile.NamedTemporaryFile(dir=dir, prefix=pre, suffix=suf,
                                                 delete=delete)
          except:
              self.failOnException("NamedTemporaryFile")
  
          self.nameCheck(file.name, dir, pre, suf)
          return file
  
  
      def test_basic(self):
          # NamedTemporaryFile can create files
          self.do_create()
          self.do_create(pre="a")
          self.do_create(suf="b")
          self.do_create(pre="a", suf="b")
          self.do_create(pre="aa", suf=".txt")
  
      def test_creates_named(self):
          # NamedTemporaryFile creates files with names
          f = tempfile.NamedTemporaryFile()
          self.failUnless(os.path.exists(f.name),
                          "NamedTemporaryFile %s does not exist" % f.name)
  
      def test_del_on_close(self):
          # A NamedTemporaryFile is deleted when closed
          dir = tempfile.mkdtemp()
          try:
              f = tempfile.NamedTemporaryFile(dir=dir)
              f.write('blat')
              f.close()
              self.failIf(os.path.exists(f.name),
                          "NamedTemporaryFile %s exists after close" % f.name)
          finally:
              os.rmdir(dir)
  
      def test_dis_del_on_close(self):
          # Tests that delete-on-close can be disabled
          dir = tempfile.mkdtemp()
          tmp = None
          try:
              f = tempfile.NamedTemporaryFile(dir=dir, delete=False)
              tmp = f.name
              f.write('blat')
              f.close()
              self.failUnless(os.path.exists(f.name),
                          "NamedTemporaryFile %s missing after close" % f.name)
          finally:
              if tmp is not None:
                  os.unlink(tmp)
              os.rmdir(dir)
  
      def test_multiple_close(self):
          # A NamedTemporaryFile can be closed many times without error
          f = tempfile.NamedTemporaryFile()
          f.write('abc\n')
          f.close()
          try:
              f.close()
              f.close()
          except:
              self.failOnException("close")
  
      def test_context_manager(self):
          # A NamedTemporaryFile can be used as a context manager
          with tempfile.NamedTemporaryFile() as f:
              self.failUnless(os.path.exists(f.name))
          self.failIf(os.path.exists(f.name))
          def use_closed():
              with f:
                  pass
          self.failUnlessRaises(ValueError, use_closed)
  
      # How to test the mode and bufsize parameters?
  
  test_classes.append(test_NamedTemporaryFile)
  
  class test_SpooledTemporaryFile(TC):
      """Test SpooledTemporaryFile()."""
  
      def do_create(self, max_size=0, dir=None, pre="", suf=""):
          if dir is None:
              dir = tempfile.gettempdir()
          try:
              file = tempfile.SpooledTemporaryFile(max_size=max_size, dir=dir, prefix=pre, suffix=suf)
          except:
              self.failOnException("SpooledTemporaryFile")
  
          return file
  
  
      def test_basic(self):
          # SpooledTemporaryFile can create files
          f = self.do_create()
          self.failIf(f._rolled)
          f = self.do_create(max_size=100, pre="a", suf=".txt")
          self.failIf(f._rolled)
  
      def test_del_on_close(self):
          # A SpooledTemporaryFile is deleted when closed
          dir = tempfile.mkdtemp()
          try:
              f = tempfile.SpooledTemporaryFile(max_size=10, dir=dir)
              self.failIf(f._rolled)
              f.write('blat ' * 5)
              self.failUnless(f._rolled)
              filename = f.name
              f.close()
              self.failIf(os.path.exists(filename),
                          "SpooledTemporaryFile %s exists after close" % filename)
          finally:
              os.rmdir(dir)
  
      def test_rewrite_small(self):
          # A SpooledTemporaryFile can be written to multiple within the max_size
          f = self.do_create(max_size=30)
          self.failIf(f._rolled)
          for i in range(5):
              f.seek(0, 0)
              f.write('x' * 20)
          self.failIf(f._rolled)
  
      def test_write_sequential(self):
          # A SpooledTemporaryFile should hold exactly max_size bytes, and roll
          # over afterward
          f = self.do_create(max_size=30)
          self.failIf(f._rolled)
          f.write('x' * 20)
          self.failIf(f._rolled)
          f.write('x' * 10)
          self.failIf(f._rolled)
          f.write('x')
          self.failUnless(f._rolled)
  
      def test_sparse(self):
          # A SpooledTemporaryFile that is written late in the file will extend
          # when that occurs
          f = self.do_create(max_size=30)
          self.failIf(f._rolled)
          f.seek(100, 0)
          self.failIf(f._rolled)
          f.write('x')
          self.failUnless(f._rolled)
  
      def test_fileno(self):
          # A SpooledTemporaryFile should roll over to a real file on fileno()
          f = self.do_create(max_size=30)
          self.failIf(f._rolled)
          self.failUnless(f.fileno() > 0)
          self.failUnless(f._rolled)
  
      def test_multiple_close_before_rollover(self):
          # A SpooledTemporaryFile can be closed many times without error
          f = tempfile.SpooledTemporaryFile()
          f.write('abc\n')
          self.failIf(f._rolled)
          f.close()
          try:
              f.close()
              f.close()
          except:
              self.failOnException("close")
  
      def test_multiple_close_after_rollover(self):
          # A SpooledTemporaryFile can be closed many times without error
          f = tempfile.SpooledTemporaryFile(max_size=1)
          f.write('abc\n')
          self.failUnless(f._rolled)
          f.close()
          try:
              f.close()
              f.close()
          except:
              self.failOnException("close")
  
      def test_bound_methods(self):
          # It should be OK to steal a bound method from a SpooledTemporaryFile
          # and use it independently; when the file rolls over, those bound
          # methods should continue to function
          f = self.do_create(max_size=30)
          read = f.read
          write = f.write
          seek = f.seek
  
          write("a" * 35)
          write("b" * 35)
          seek(0, 0)
          self.failUnless(read(70) == 'a'*35 + 'b'*35)
  
      def test_context_manager_before_rollover(self):
          # A SpooledTemporaryFile can be used as a context manager
          with tempfile.SpooledTemporaryFile(max_size=1) as f:
              self.failIf(f._rolled)
              self.failIf(f.closed)
          self.failUnless(f.closed)
          def use_closed():
              with f:
                  pass
          self.failUnlessRaises(ValueError, use_closed)
  
      def test_context_manager_during_rollover(self):
          # A SpooledTemporaryFile can be used as a context manager
          with tempfile.SpooledTemporaryFile(max_size=1) as f:
              self.failIf(f._rolled)
              f.write('abc\n')
              f.flush()
              self.failUnless(f._rolled)
              self.failIf(f.closed)
          self.failUnless(f.closed)
          def use_closed():
              with f:
                  pass
          self.failUnlessRaises(ValueError, use_closed)
  
      def test_context_manager_after_rollover(self):
          # A SpooledTemporaryFile can be used as a context manager
          f = tempfile.SpooledTemporaryFile(max_size=1)
          f.write('abc\n')
          f.flush()
          self.failUnless(f._rolled)
          with f:
              self.failIf(f.closed)
          self.failUnless(f.closed)
          def use_closed():
              with f:
                  pass
          self.failUnlessRaises(ValueError, use_closed)
  
  
  test_classes.append(test_SpooledTemporaryFile)
  
  
  class test_TemporaryFile(TC):
      """Test TemporaryFile()."""
  
      def test_basic(self):
          # TemporaryFile can create files
          # No point in testing the name params - the file has no name.
          try:
              tempfile.TemporaryFile()
          except:
              self.failOnException("TemporaryFile")
  
      def test_has_no_name(self):
          # TemporaryFile creates files with no names (on this system)
          dir = tempfile.mkdtemp()
          f = tempfile.TemporaryFile(dir=dir)
          f.write('blat')
  
          # Sneaky: because this file has no name, it should not prevent
          # us from removing the directory it was created in.
          try:
              os.rmdir(dir)
          except:
              ei = sys.exc_info()
              # cleanup
              f.close()
              os.rmdir(dir)
              self.failOnException("rmdir", ei)
  
      def test_multiple_close(self):
          # A TemporaryFile can be closed many times without error
          f = tempfile.TemporaryFile()
          f.write('abc\n')
          f.close()
          try:
              f.close()
              f.close()
          except:
              self.failOnException("close")
  
      # How to test the mode and bufsize parameters?
  
  
  if tempfile.NamedTemporaryFile is not tempfile.TemporaryFile:
      test_classes.append(test_TemporaryFile)
  
  def test_main():
      test_support.run_unittest(*test_classes)
  
  if __name__ == "__main__":
      test_main()
      if test_support.is_jython:
          # XXX: Nudge Java's GC in an attempt to trigger any temp file's
          # __del__ (cause them to be deleted) that hasn't been called
          import gc
          gc.collect()
  