text: # -*- coding: iso-8859-1 -*-
  import unittest, test.test_support
  import sys, os, cStringIO
  import struct
  import operator
  
  class SysModuleTest(unittest.TestCase):
  
      def tearDown(self):
          test.test_support.reap_children()
  
      def test_original_displayhook(self):
          import __builtin__
          savestdout = sys.stdout
          out = cStringIO.StringIO()
          sys.stdout = out
  
          dh = sys.__displayhook__
  
          self.assertRaises(TypeError, dh)
          if hasattr(__builtin__, "_"):
              del __builtin__._
  
          dh(None)
          self.assertEqual(out.getvalue(), "")
          self.assertTrue(not hasattr(__builtin__, "_"))
          dh(42)
          self.assertEqual(out.getvalue(), "42\n")
          self.assertEqual(__builtin__._, 42)
  
          del sys.stdout
          self.assertRaises(RuntimeError, dh, 42)
  
          sys.stdout = savestdout
  
      def test_lost_displayhook(self):
          olddisplayhook = sys.displayhook
          del sys.displayhook
          code = compile("42", "<string>", "single")
          self.assertRaises(RuntimeError, eval, code)
          sys.displayhook = olddisplayhook
  
      def test_custom_displayhook(self):
          olddisplayhook = sys.displayhook
          def baddisplayhook(obj):
              raise ValueError
          sys.displayhook = baddisplayhook
          code = compile("42", "<string>", "single")
          self.assertRaises(ValueError, eval, code)
          sys.displayhook = olddisplayhook
  
      def test_original_excepthook(self):
          savestderr = sys.stderr
          err = cStringIO.StringIO()
          sys.stderr = err
  
          eh = sys.__excepthook__
  
          self.assertRaises(TypeError, eh)
          try:
              raise ValueError(42)
          except ValueError, exc:
              eh(*sys.exc_info())
  
          sys.stderr = savestderr
          self.assertTrue(err.getvalue().endswith("ValueError: 42\n"))
  
      # FIXME: testing the code for a lost or replaced excepthook in
      # Python/pythonrun.c::PyErr_PrintEx() is tricky.
  
      def test_exc_clear(self):
          self.assertRaises(TypeError, sys.exc_clear, 42)
  
          # Verify that exc_info is present and matches exc, then clear it, and
          # check that it worked.
          def clear_check(exc):
              typ, value, traceback = sys.exc_info()
              self.assertTrue(typ is not None)
              self.assertTrue(value is exc)
              self.assertTrue(traceback is not None)
  
              with test.test_support.check_py3k_warnings():
                  sys.exc_clear()
  
              typ, value, traceback = sys.exc_info()
              self.assertTrue(typ is None)
              self.assertTrue(value is None)
              self.assertTrue(traceback is None)
  
          def clear():
              try:
                  raise ValueError, 42
              except ValueError, exc:
                  clear_check(exc)
  
          # Raise an exception and check that it can be cleared
          clear()
  
          # Verify that a frame currently handling an exception is
          # unaffected by calling exc_clear in a nested frame.
          try:
              raise ValueError, 13
          except ValueError, exc:
              typ1, value1, traceback1 = sys.exc_info()
              clear()
              typ2, value2, traceback2 = sys.exc_info()
  
              self.assertTrue(typ1 is typ2)
              self.assertTrue(value1 is exc)
              self.assertTrue(value1 is value2)
              self.assertTrue(traceback1 is traceback2)
  
          # Check that an exception can be cleared outside of an except block
          clear_check(exc)
  
      @unittest.skipIf(sys.platform == 'linux2-zvm',
                       'Not supported under ZeroVM')
      def test_exit(self):
          self.assertRaises(TypeError, sys.exit, 42, 42)
  
          # call without argument
          try:
              sys.exit(0)
          except SystemExit, exc:
              self.assertEqual(exc.code, 0)
          except:
              self.fail("wrong exception")
          else:
              self.fail("no exception")
  
          # call with tuple argument with one entry
          # entry will be unpacked
          try:
              sys.exit(42)
          except SystemExit, exc:
              self.assertEqual(exc.code, 42)
          except:
              self.fail("wrong exception")
          else:
              self.fail("no exception")
  
          # call with integer argument
          try:
              sys.exit((42,))
          except SystemExit, exc:
              self.assertEqual(exc.code, 42)
          except:
              self.fail("wrong exception")
          else:
              self.fail("no exception")
  
          # call with string argument
          try:
              sys.exit("exit")
          except SystemExit, exc:
              self.assertEqual(exc.code, "exit")
          except:
              self.fail("wrong exception")
          else:
              self.fail("no exception")
  
          # call with tuple argument with two entries
          try:
              sys.exit((17, 23))
          except SystemExit, exc:
              self.assertEqual(exc.code, (17, 23))
          except:
              self.fail("wrong exception")
          else:
              self.fail("no exception")
  
          # test that the exit machinery handles SystemExits properly
          import subprocess
          # both unnormalized...
          rc = subprocess.call([sys.executable, "-c",
                                "raise SystemExit, 46"])
          self.assertEqual(rc, 46)
          # ... and normalized
          rc = subprocess.call([sys.executable, "-c",
                                "raise SystemExit(47)"])
          self.assertEqual(rc, 47)
  
          def check_exit_message(code, expected, env=None):
              process = subprocess.Popen([sys.executable, "-c", code],
                                         stderr=subprocess.PIPE, env=env)
              stdout, stderr = process.communicate()
              self.assertEqual(process.returncode, 1)
              self.assertTrue(stderr.startswith(expected),
                  "%s doesn't start with %s" % (repr(stderr), repr(expected)))
  
          # test that stderr buffer if flushed before the exit message is written
          # into stderr
          check_exit_message(
              r'import sys; sys.stderr.write("unflushed,"); sys.exit("message")',
              b"unflushed,message")
  
          # test that the unicode message is encoded to the stderr encoding
          env = os.environ.copy()
          env['PYTHONIOENCODING'] = 'latin-1'
          check_exit_message(
              r'import sys; sys.exit(u"h\xe9")',
              b"h\xe9", env=env)
  
      def test_getdefaultencoding(self):
          if test.test_support.have_unicode:
              self.assertRaises(TypeError, sys.getdefaultencoding, 42)
              # can't check more than the type, as the user might have changed it
              self.assertIsInstance(sys.getdefaultencoding(), str)
  
      # testing sys.settrace() is done in test_sys_settrace.py
      # testing sys.setprofile() is done in test_sys_setprofile.py
  
      def test_setcheckinterval(self):
          self.assertRaises(TypeError, sys.setcheckinterval)
          orig = sys.getcheckinterval()
          for n in 0, 100, 120, orig: # orig last to restore starting state
              sys.setcheckinterval(n)
              self.assertEqual(sys.getcheckinterval(), n)
  
      def test_recursionlimit(self):
          self.assertRaises(TypeError, sys.getrecursionlimit, 42)
          oldlimit = sys.getrecursionlimit()
          self.assertRaises(TypeError, sys.setrecursionlimit)
          self.assertRaises(ValueError, sys.setrecursionlimit, -42)
          sys.setrecursionlimit(10000)
          self.assertEqual(sys.getrecursionlimit(), 10000)
          sys.setrecursionlimit(oldlimit)
  
          self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
          try:
              sys.setrecursionlimit((1 << 31) - 5)
              try:
                  # issue13546: isinstance(e, ValueError) used to fail
                  # when the recursion limit is close to 1<<31
                  raise ValueError()
              except ValueError, e:
                  pass
          finally:
              sys.setrecursionlimit(oldlimit)
  
      def test_getwindowsversion(self):
          # Raise SkipTest if sys doesn't have getwindowsversion attribute
          test.test_support.get_attribute(sys, "getwindowsversion")
          v = sys.getwindowsversion()
          self.assertEqual(len(v), 5)
          self.assertIsInstance(v[0], int)
          self.assertIsInstance(v[1], int)
          self.assertIsInstance(v[2], int)
          self.assertIsInstance(v[3], int)
          self.assertIsInstance(v[4], str)
          self.assertRaises(IndexError, operator.getitem, v, 5)
          self.assertIsInstance(v.major, int)
          self.assertIsInstance(v.minor, int)
          self.assertIsInstance(v.build, int)
          self.assertIsInstance(v.platform, int)
          self.assertIsInstance(v.service_pack, str)
          self.assertIsInstance(v.service_pack_minor, int)
          self.assertIsInstance(v.service_pack_major, int)
          self.assertIsInstance(v.suite_mask, int)
          self.assertIsInstance(v.product_type, int)
          self.assertEqual(v[0], v.major)
          self.assertEqual(v[1], v.minor)
          self.assertEqual(v[2], v.build)
          self.assertEqual(v[3], v.platform)
          self.assertEqual(v[4], v.service_pack)
  
          # This is how platform.py calls it. Make sure tuple
          #  still has 5 elements
          maj, min, buildno, plat, csd = sys.getwindowsversion()
  
      def test_dlopenflags(self):
          if hasattr(sys, "setdlopenflags"):
              self.assertTrue(hasattr(sys, "getdlopenflags"))
              self.assertRaises(TypeError, sys.getdlopenflags, 42)
              oldflags = sys.getdlopenflags()
              self.assertRaises(TypeError, sys.setdlopenflags)
              sys.setdlopenflags(oldflags+1)
              self.assertEqual(sys.getdlopenflags(), oldflags+1)
              sys.setdlopenflags(oldflags)
  
      def test_refcount(self):
          # n here must be a global in order for this test to pass while
          # tracing with a python function.  Tracing calls PyFrame_FastToLocals
          # which will add a copy of any locals to the frame object, causing
          # the reference count to increase by 2 instead of 1.
          global n
          self.assertRaises(TypeError, sys.getrefcount)
          c = sys.getrefcount(None)
          n = None
          self.assertEqual(sys.getrefcount(None), c+1)
          del n
          self.assertEqual(sys.getrefcount(None), c)
          if hasattr(sys, "gettotalrefcount"):
              self.assertIsInstance(sys.gettotalrefcount(), int)
  
      def test_getframe(self):
          self.assertRaises(TypeError, sys._getframe, 42, 42)
          self.assertRaises(ValueError, sys._getframe, 2000000000)
          self.assertTrue(
              SysModuleTest.test_getframe.im_func.func_code \
              is sys._getframe().f_code
          )
  
      # sys._current_frames() is a CPython-only gimmick.
      def test_current_frames(self):
          have_threads = True
          try:
              import thread
          except ImportError:
              have_threads = False
  
          if have_threads:
              self.current_frames_with_threads()
          else:
              self.current_frames_without_threads()
  
      # Test sys._current_frames() in a WITH_THREADS build.
      @test.test_support.reap_threads
      def current_frames_with_threads(self):
          import threading, thread
          import traceback
  
          # Spawn a thread that blocks at a known place.  Then the main
          # thread does sys._current_frames(), and verifies that the frames
          # returned make sense.
          entered_g = threading.Event()
          leave_g = threading.Event()
          thread_info = []  # the thread's id
  
          def f123():
              g456()
  
          def g456():
              thread_info.append(thread.get_ident())
              entered_g.set()
              leave_g.wait()
  
          t = threading.Thread(target=f123)
          t.start()
          entered_g.wait()
  
          # At this point, t has finished its entered_g.set(), although it's
          # impossible to guess whether it's still on that line or has moved on
          # to its leave_g.wait().
          self.assertEqual(len(thread_info), 1)
          thread_id = thread_info[0]
  
          d = sys._current_frames()
  
          main_id = thread.get_ident()
          self.assertIn(main_id, d)
          self.assertIn(thread_id, d)
  
          # Verify that the captured main-thread frame is _this_ frame.
          frame = d.pop(main_id)
          self.assertTrue(frame is sys._getframe())
  
          # Verify that the captured thread frame is blocked in g456, called
          # from f123.  This is a litte tricky, since various bits of
          # threading.py are also in the thread's call stack.
          frame = d.pop(thread_id)
          stack = traceback.extract_stack(frame)
          for i, (filename, lineno, funcname, sourceline) in enumerate(stack):
              if funcname == "f123":
                  break
          else:
              self.fail("didn't find f123() on thread's call stack")
  
          self.assertEqual(sourceline, "g456()")
  
          # And the next record must be for g456().
          filename, lineno, funcname, sourceline = stack[i+1]
          self.assertEqual(funcname, "g456")
          self.assertIn(sourceline, ["leave_g.wait()", "entered_g.set()"])
  
          # Reap the spawned thread.
          leave_g.set()
          t.join()
  
      # Test sys._current_frames() when thread support doesn't exist.
      def current_frames_without_threads(self):
          # Not much happens here:  there is only one thread, with artificial
          # "thread id" 0.
          d = sys._current_frames()
          self.assertEqual(len(d), 1)
          self.assertIn(0, d)
          self.assertTrue(d[0] is sys._getframe())
  
      def test_attributes(self):
          self.assertIsInstance(sys.api_version, int)
          self.assertIsInstance(sys.argv, list)
          self.assertIn(sys.byteorder, ("little", "big"))
          self.assertIsInstance(sys.builtin_module_names, tuple)
          self.assertIsInstance(sys.copyright, basestring)
          self.assertIsInstance(sys.exec_prefix, basestring)
          self.assertIsInstance(sys.executable, basestring)
          self.assertEqual(len(sys.float_info), 11)
          self.assertEqual(sys.float_info.radix, 2)
          self.assertEqual(len(sys.long_info), 2)
          self.assertTrue(sys.long_info.bits_per_digit % 5 == 0)
          self.assertTrue(sys.long_info.sizeof_digit >= 1)
          self.assertEqual(type(sys.long_info.bits_per_digit), int)
          self.assertEqual(type(sys.long_info.sizeof_digit), int)
          self.assertIsInstance(sys.hexversion, int)
          self.assertIsInstance(sys.maxint, int)
          if test.test_support.have_unicode:
              self.assertIsInstance(sys.maxunicode, int)
          self.assertIsInstance(sys.platform, basestring)
          self.assertIsInstance(sys.prefix, basestring)
          self.assertIsInstance(sys.version, basestring)
          vi = sys.version_info
          self.assertIsInstance(vi[:], tuple)
          self.assertEqual(len(vi), 5)
          self.assertIsInstance(vi[0], int)
          self.assertIsInstance(vi[1], int)
          self.assertIsInstance(vi[2], int)
          self.assertIn(vi[3], ("alpha", "beta", "candidate", "final"))
          self.assertIsInstance(vi[4], int)
          self.assertIsInstance(vi.major, int)
          self.assertIsInstance(vi.minor, int)
          self.assertIsInstance(vi.micro, int)
          self.assertIn(vi.releaselevel, ("alpha", "beta", "candidate", "final"))
          self.assertIsInstance(vi.serial, int)
          self.assertEqual(vi[0], vi.major)
          self.assertEqual(vi[1], vi.minor)
          self.assertEqual(vi[2], vi.micro)
          self.assertEqual(vi[3], vi.releaselevel)
          self.assertEqual(vi[4], vi.serial)
          self.assertTrue(vi > (1,0,0))
          self.assertIsInstance(sys.float_repr_style, str)
          self.assertIn(sys.float_repr_style, ('short', 'legacy'))
  
      def test_43581(self):
          # Can't use sys.stdout, as this is a cStringIO object when
          # the test runs under regrtest.
          self.assertTrue(sys.__stdout__.encoding == sys.__stderr__.encoding)
  
      def test_sys_flags(self):
          self.assertTrue(sys.flags)
          attrs = ("debug", "py3k_warning", "division_warning", "division_new",
                   "inspect", "interactive", "optimize", "dont_write_bytecode",
                   "no_site", "ignore_environment", "tabcheck", "verbose",
                   "unicode", "bytes_warning", "hash_randomization")
          for attr in attrs:
              self.assertTrue(hasattr(sys.flags, attr), attr)
              self.assertEqual(type(getattr(sys.flags, attr)), int, attr)
          self.assertTrue(repr(sys.flags))
  
      def test_clear_type_cache(self):
          sys._clear_type_cache()
  
      @unittest.skipIf(sys.platform == 'linux2-zvm',
                       'Not supported under ZeroVM')
      def test_ioencoding(self):
          import subprocess
          env = dict(os.environ)
  
          # Test character: cent sign, encoded as 0x4A (ASCII J) in CP424,
          # not representable in ASCII.
  
          env["PYTHONIOENCODING"] = "cp424"
          p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
                               stdout = subprocess.PIPE, env=env)
          out = p.communicate()[0].strip()
          self.assertEqual(out, unichr(0xa2).encode("cp424"))
  
          env["PYTHONIOENCODING"] = "ascii:replace"
          p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
                               stdout = subprocess.PIPE, env=env)
          out = p.communicate()[0].strip()
          self.assertEqual(out, '?')
  
      def test_call_tracing(self):
          self.assertEqual(sys.call_tracing(str, (2,)), "2")
          self.assertRaises(TypeError, sys.call_tracing, str, 2)
  
      @unittest.skipIf(sys.platform == 'linux2-zvm',
                       'Not supported under ZeroVM')
      def test_executable(self):
          # sys.executable should be absolute
          self.assertEqual(os.path.abspath(sys.executable), sys.executable)
  
          # Issue #7774: Ensure that sys.executable is an empty string if argv[0]
          # has been set to an non existent program name and Python is unable to
          # retrieve the real program name
          import subprocess
          # For a normal installation, it should work without 'cwd'
          # argument. For test runs in the build directory, see #7774.
          python_dir = os.path.dirname(os.path.realpath(sys.executable))
          p = subprocess.Popen(
              ["nonexistent", "-c", 'import sys; print repr(sys.executable)'],
              executable=sys.executable, stdout=subprocess.PIPE, cwd=python_dir)
          executable = p.communicate()[0].strip()
          p.wait()
          self.assertIn(executable, ["''", repr(sys.executable)])
  
  class SizeofTest(unittest.TestCase):
  
      TPFLAGS_HAVE_GC = 1<<14
      TPFLAGS_HEAPTYPE = 1L<<9
  
      def setUp(self):
          self.c = len(struct.pack('c', ' '))
          self.H = len(struct.pack('H', 0))
          self.i = len(struct.pack('i', 0))
          self.l = len(struct.pack('l', 0))
          self.P = len(struct.pack('P', 0))
          # due to missing size_t information from struct, it is assumed that
          # sizeof(Py_ssize_t) = sizeof(void*)
          self.header = 'PP'
          self.vheader = self.header + 'P'
          if hasattr(sys, "gettotalrefcount"):
              self.header += '2P'
              self.vheader += '2P'
          self.longdigit = sys.long_info.sizeof_digit
          import _testcapi
          self.gc_headsize = _testcapi.SIZEOF_PYGC_HEAD
          self.file = open(test.test_support.TESTFN, 'wb')
  
      def tearDown(self):
          self.file.close()
          test.test_support.unlink(test.test_support.TESTFN)
  
      def check_sizeof(self, o, size):
          result = sys.getsizeof(o)
          if ((type(o) == type) and (o.__flags__ & self.TPFLAGS_HEAPTYPE) or\
             ((type(o) != type) and (type(o).__flags__ & self.TPFLAGS_HAVE_GC))):
              size += self.gc_headsize
          msg = 'wrong size for %s: got %d, expected %d' \
                  % (type(o), result, size)
          self.assertEqual(result, size, msg)
  
      def calcsize(self, fmt):
          """Wrapper around struct.calcsize which enforces the alignment of the
          end of a structure to the alignment requirement of pointer.
  
          Note: This wrapper should only be used if a pointer member is included
          and no member with a size larger than a pointer exists.
          """
          return struct.calcsize(fmt + '0P')
  
      def test_gc_head_size(self):
          # Check that the gc header size is added to objects tracked by the gc.
          h = self.header
          size = self.calcsize
          gc_header_size = self.gc_headsize
          # bool objects are not gc tracked
          self.assertEqual(sys.getsizeof(True), size(h + 'l'))
          # but lists are
          self.assertEqual(sys.getsizeof([]), size(h + 'P PP') + gc_header_size)
  
      def test_default(self):
          h = self.header
          size = self.calcsize
          self.assertEqual(sys.getsizeof(True, -1), size(h + 'l'))
  
      def test_objecttypes(self):
          # check all types defined in Objects/
          h = self.header
          vh = self.vheader
          size = self.calcsize
          check = self.check_sizeof
          # bool
          check(True, size(h + 'l'))
          # buffer
          with test.test_support.check_py3k_warnings():
              check(buffer(''), size(h + '2P2Pil'))
          # builtin_function_or_method
          check(len, size(h + '3P'))
          # bytearray
          samples = ['', 'u'*100000]
          for sample in samples:
              x = bytearray(sample)
              check(x, size(vh + 'iPP') + x.__alloc__() * self.c)
          # bytearray_iterator
          check(iter(bytearray()), size(h + 'PP'))
          # cell
          def get_cell():
              x = 42
              def inner():
                  return x
              return inner
          check(get_cell().func_closure[0], size(h + 'P'))
          # classobj (old-style class)
          class class_oldstyle():
              def method():
                  pass
          check(class_oldstyle, size(h + '7P'))
          # instance (old-style class)
          check(class_oldstyle(), size(h + '3P'))
          # instancemethod (old-style class)
          check(class_oldstyle().method, size(h + '4P'))
          # complex
          check(complex(0,1), size(h + '2d'))
          # code
          check(get_cell().func_code, size(h + '4i8Pi3P'))
          # BaseException
          check(BaseException(), size(h + '3P'))
          # UnicodeEncodeError
          check(UnicodeEncodeError("", u"", 0, 0, ""), size(h + '5P2PP'))
          # UnicodeDecodeError
          check(UnicodeDecodeError("", "", 0, 0, ""), size(h + '5P2PP'))
          # UnicodeTranslateError
          check(UnicodeTranslateError(u"", 0, 1, ""), size(h + '5P2PP'))
          # method_descriptor (descriptor object)
          check(str.lower, size(h + '2PP'))
          # classmethod_descriptor (descriptor object)
          # XXX
          # member_descriptor (descriptor object)
          import datetime
          check(datetime.timedelta.days, size(h + '2PP'))
          # getset_descriptor (descriptor object)
          import __builtin__
          check(__builtin__.file.closed, size(h + '2PP'))
          # wrapper_descriptor (descriptor object)
          check(int.__add__, size(h + '2P2P'))
          # dictproxy
          class C(object): pass
          check(C.__dict__, size(h + 'P'))
          # method-wrapper (descriptor object)
          check({}.__iter__, size(h + '2P'))
          # dict
          check({}, size(h + '3P2P' + 8*'P2P'))
          x = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8}
          check(x, size(h + '3P2P' + 8*'P2P') + 16*size('P2P'))
          # dictionary-keyiterator
          check({}.iterkeys(), size(h + 'P2PPP'))
          # dictionary-valueiterator
          check({}.itervalues(), size(h + 'P2PPP'))
          # dictionary-itemiterator
          check({}.iteritems(), size(h + 'P2PPP'))
          # ellipses
          check(Ellipsis, size(h + ''))
          # EncodingMap
          import codecs, encodings.iso8859_3
          x = codecs.charmap_build(encodings.iso8859_3.decoding_table)
          check(x, size(h + '32B2iB'))
          # enumerate
          check(enumerate([]), size(h + 'l3P'))
          # file
          check(self.file, size(h + '4P2i4P3i3P3i'))
          # float
          check(float(0), size(h + 'd'))
          # sys.floatinfo
          check(sys.float_info, size(vh) + self.P * len(sys.float_info))
          # frame
          import inspect
          CO_MAXBLOCKS = 20
          x = inspect.currentframe()
          ncells = len(x.f_code.co_cellvars)
          nfrees = len(x.f_code.co_freevars)
          extras = x.f_code.co_stacksize + x.f_code.co_nlocals +\
                   ncells + nfrees - 1
          check(x, size(vh + '12P3i' + CO_MAXBLOCKS*'3i' + 'P' + extras*'P'))
          # function
          def func(): pass
          check(func, size(h + '9P'))
          class c():
              @staticmethod
              def foo():
                  pass
              @classmethod
              def bar(cls):
                  pass
              # staticmethod
              check(foo, size(h + 'P'))
              # classmethod
              check(bar, size(h + 'P'))
          # generator
          def get_gen(): yield 1
          check(get_gen(), size(h + 'Pi2P'))
          # integer
          check(1, size(h + 'l'))
          check(100, size(h + 'l'))
          # iterator
          check(iter('abc'), size(h + 'lP'))
          # callable-iterator
          import re
          check(re.finditer('',''), size(h + '2P'))
          # list
          samples = [[], [1,2,3], ['1', '2', '3']]
          for sample in samples:
              check(sample, size(vh + 'PP') + len(sample)*self.P)
          # sortwrapper (list)
          # XXX
          # cmpwrapper (list)
          # XXX
          # listiterator (list)
          check(iter([]), size(h + 'lP'))
          # listreverseiterator (list)
          check(reversed([]), size(h + 'lP'))
          # long
          check(0L, size(vh))
          check(1L, size(vh) + self.longdigit)
          check(-1L, size(vh) + self.longdigit)
          PyLong_BASE = 2**sys.long_info.bits_per_digit
          check(long(PyLong_BASE), size(vh) + 2*self.longdigit)
          check(long(PyLong_BASE**2-1), size(vh) + 2*self.longdigit)
          check(long(PyLong_BASE**2), size(vh) + 3*self.longdigit)
          # module
          check(unittest, size(h + 'P'))
          # None
          check(None, size(h + ''))
          # object
          check(object(), size(h + ''))
          # property (descriptor object)
          class C(object):
              def getx(self): return self.__x
              def setx(self, value): self.__x = value
              def delx(self): del self.__x
              x = property(getx, setx, delx, "")
              check(x, size(h + '4Pi'))
          # PyCObject
          # PyCapsule
          # XXX
          # rangeiterator
          check(iter(xrange(1)), size(h + '4l'))
          # reverse
          check(reversed(''), size(h + 'PP'))
          # set
          # frozenset
          PySet_MINSIZE = 8
          samples = [[], range(10), range(50)]
          s = size(h + '3P2P' + PySet_MINSIZE*'lP' + 'lP')
          for sample in samples:
              minused = len(sample)
              if minused == 0: tmp = 1
              # the computation of minused is actually a bit more complicated
              # but this suffices for the sizeof test
              minused = minused*2
              newsize = PySet_MINSIZE
              while newsize <= minused:
                  newsize = newsize << 1
              if newsize <= 8:
                  check(set(sample), s)
                  check(frozenset(sample), s)
              else:
                  check(set(sample), s + newsize*struct.calcsize('lP'))
                  check(frozenset(sample), s + newsize*struct.calcsize('lP'))
          # setiterator
          check(iter(set()), size(h + 'P3P'))
          # slice
          check(slice(1), size(h + '3P'))
          # str
          check('', struct.calcsize(vh + 'li') + 1)
          check('abc', struct.calcsize(vh + 'li') + 1 + 3*self.c)
          # super
          check(super(int), size(h + '3P'))
          # tuple
          check((), size(vh))
          check((1,2,3), size(vh) + 3*self.P)
          # tupleiterator
          check(iter(()), size(h + 'lP'))
          # type
          # (PyTypeObject + PyNumberMethods +  PyMappingMethods +
          #  PySequenceMethods + PyBufferProcs)
          s = size(vh + 'P2P15Pl4PP9PP11PI') + size('41P 10P 3P 6P')
          class newstyleclass(object):
              pass
          check(newstyleclass, s)
          # builtin type
          check(int, s)
          # NotImplementedType
          import types
          check(types.NotImplementedType, s)
          # unicode
          usize = len(u'\0'.encode('unicode-internal'))
          samples = [u'', u'1'*100]
          # we need to test for both sizes, because we don't know if the string
          # has been cached
          for s in samples:
              check(s, size(h + 'PPlP') + usize * (len(s) + 1))
          # weakref
          import weakref
          check(weakref.ref(int), size(h + '2Pl2P'))
          # weakproxy
          # XXX
          # weakcallableproxy
          check(weakref.proxy(int), size(h + '2Pl2P'))
          # xrange
          check(xrange(1), size(h + '3l'))
          check(xrange(66000), size(h + '3l'))
  
      def test_pythontypes(self):
          # check all types defined in Python/
          h = self.header
          vh = self.vheader
          size = self.calcsize
          check = self.check_sizeof
          # _ast.AST
          import _ast
          check(_ast.AST(), size(h + ''))
          # imp.NullImporter
          import imp
          check(imp.NullImporter(self.file.name), size(h + ''))
          try:
              raise TypeError
          except TypeError:
              tb = sys.exc_info()[2]
              # traceback
              if tb != None:
                  check(tb, size(h + '2P2i'))
          # symtable entry
          # XXX
          # sys.flags
          check(sys.flags, size(vh) + self.P * len(sys.flags))
  
  
  def test_main():
      test_classes = (SysModuleTest, SizeofTest)
  
      test.test_support.run_unittest(*test_classes)
  
  if __name__ == "__main__":
      test_main()
  