text: import unittest
  import math
  import sys
  from test import test_support
  # Skip this test if the _testcapi module isn't available.
  test_support.import_module('_testcapi')
  from _testcapi import getargs_keywords
  import warnings
  
  """
  > How about the following counterproposal. This also changes some of
  > the other format codes to be a little more regular.
  >
  > Code C type Range check
  >
  > b unsigned char 0..UCHAR_MAX
  > h signed short SHRT_MIN..SHRT_MAX
  > B unsigned char none **
  > H unsigned short none **
  > k * unsigned long none
  > I * unsigned int 0..UINT_MAX
  
  
  > i int INT_MIN..INT_MAX
  > l long LONG_MIN..LONG_MAX
  
  > K * unsigned long long none
  > L long long LLONG_MIN..LLONG_MAX
  
  > Notes:
  >
  > * New format codes.
  >
  > ** Changed from previous "range-and-a-half" to "none"; the
  > range-and-a-half checking wasn't particularly useful.
  
  Plus a C API or two, e.g. PyInt_AsLongMask() ->
  unsigned long and PyInt_AsLongLongMask() -> unsigned
  long long (if that exists).
  """
  
  LARGE = 0x7FFFFFFF
  VERY_LARGE = 0xFF0000121212121212121242L
  
  from _testcapi import UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, INT_MAX, \
       INT_MIN, LONG_MIN, LONG_MAX, PY_SSIZE_T_MIN, PY_SSIZE_T_MAX, \
       SHRT_MIN, SHRT_MAX, FLT_MIN, FLT_MAX, DBL_MIN, DBL_MAX
  
  DBL_MAX_EXP = sys.float_info.max_exp
  INF = float('inf')
  NAN = float('nan')
  
  try:
      from _testcapi import getargs_L, getargs_K
  except ImportError:
      _PY_LONG_LONG_available = False
  else:
      _PY_LONG_LONG_available = True
  
  # fake, they are not defined in Python's header files
  LLONG_MAX = 2**63-1
  LLONG_MIN = -2**63
  ULLONG_MAX = 2**64-1
  
  class Long:
      def __int__(self):
          return 99L
  
  class Int:
      def __int__(self):
          return 99
  
  
  class Float:
      def __float__(self):
          return 4.25
  
  class FloatSubclass(float):
      pass
  
  class FloatSubclass2(float):
      def __float__(self):
          return 4.25
  
  class BadFloat:
      def __float__(self):
          return 687
  
  class BadFloat2:
      def __float__(self):
          return FloatSubclass(4.25)
  
  class BadFloat3(float):
      def __float__(self):
          return FloatSubclass(4.25)
  
  
  class Complex:
      def __complex__(self):
          return 4.25+0.5j
  
  class ComplexSubclass(complex):
      pass
  
  class ComplexSubclass2(complex):
      def __complex__(self):
          return 4.25+0.5j
  
  class BadComplex:
      def __complex__(self):
          return 1.25
  
  class BadComplex2:
      def __complex__(self):
          return ComplexSubclass(4.25+0.5j)
  
  class BadComplex3(complex):
      def __complex__(self):
          return ComplexSubclass(4.25+0.5j)
  
  
  class TupleSubclass(tuple):
      pass
  
  class DictSubclass(dict):
      pass
  
  class Unsigned_TestCase(unittest.TestCase):
      def test_b(self):
          from _testcapi import getargs_b
          # b returns 'unsigned char', and does range checking (0 ... UCHAR_MAX)
          self.assertRaises(TypeError, getargs_b, 3.14)
          self.assertEqual(99, getargs_b(Long()))
          self.assertEqual(99, getargs_b(Int()))
  
          self.assertRaises(OverflowError, getargs_b, -1)
          self.assertEqual(0, getargs_b(0))
          self.assertEqual(UCHAR_MAX, getargs_b(UCHAR_MAX))
          self.assertRaises(OverflowError, getargs_b, UCHAR_MAX + 1)
  
          self.assertEqual(42, getargs_b(42))
          self.assertEqual(42, getargs_b(42L))
          self.assertRaises(OverflowError, getargs_b, VERY_LARGE)
  
      def test_B(self):
          from _testcapi import getargs_B
          # B returns 'unsigned char', no range checking
          self.assertRaises(TypeError, getargs_B, 3.14)
          self.assertEqual(99, getargs_B(Long()))
          self.assertEqual(99, getargs_B(Int()))
  
          self.assertEqual(UCHAR_MAX, getargs_B(-1))
          self.assertEqual(UCHAR_MAX, getargs_B(-1L))
          self.assertEqual(0, getargs_B(0))
          self.assertEqual(UCHAR_MAX, getargs_B(UCHAR_MAX))
          self.assertEqual(0, getargs_B(UCHAR_MAX+1))
  
          self.assertEqual(42, getargs_B(42))
          self.assertEqual(42, getargs_B(42L))
          self.assertEqual(UCHAR_MAX & VERY_LARGE, getargs_B(VERY_LARGE))
  
      def test_H(self):
          from _testcapi import getargs_H
          # H returns 'unsigned short', no range checking
          self.assertRaises(TypeError, getargs_H, 3.14)
          self.assertEqual(99, getargs_H(Long()))
          self.assertEqual(99, getargs_H(Int()))
  
          self.assertEqual(USHRT_MAX, getargs_H(-1))
          self.assertEqual(0, getargs_H(0))
          self.assertEqual(USHRT_MAX, getargs_H(USHRT_MAX))
          self.assertEqual(0, getargs_H(USHRT_MAX+1))
  
          self.assertEqual(42, getargs_H(42))
          self.assertEqual(42, getargs_H(42L))
  
          self.assertEqual(VERY_LARGE & USHRT_MAX, getargs_H(VERY_LARGE))
  
      def test_I(self):
          from _testcapi import getargs_I
          # I returns 'unsigned int', no range checking
          self.assertRaises(TypeError, getargs_I, 3.14)
          self.assertEqual(99, getargs_I(Long()))
          self.assertEqual(99, getargs_I(Int()))
  
          self.assertEqual(UINT_MAX, getargs_I(-1))
          self.assertEqual(0, getargs_I(0))
          self.assertEqual(UINT_MAX, getargs_I(UINT_MAX))
          self.assertEqual(0, getargs_I(UINT_MAX+1))
  
          self.assertEqual(42, getargs_I(42))
          self.assertEqual(42, getargs_I(42L))
  
          self.assertEqual(VERY_LARGE & UINT_MAX, getargs_I(VERY_LARGE))
  
      def test_k(self):
          from _testcapi import getargs_k
          # k returns 'unsigned long', no range checking
          # it does not accept float, or instances with __int__
          self.assertRaises(TypeError, getargs_k, 3.14)
          self.assertRaises(TypeError, getargs_k, Long())
          self.assertRaises(TypeError, getargs_k, Int())
  
          self.assertEqual(ULONG_MAX, getargs_k(-1))
          self.assertEqual(0, getargs_k(0))
          self.assertEqual(ULONG_MAX, getargs_k(ULONG_MAX))
          self.assertEqual(0, getargs_k(ULONG_MAX+1))
  
          self.assertEqual(42, getargs_k(42))
          self.assertEqual(42, getargs_k(42L))
  
          self.assertEqual(VERY_LARGE & ULONG_MAX, getargs_k(VERY_LARGE))
  
  class Signed_TestCase(unittest.TestCase):
      def test_h(self):
          from _testcapi import getargs_h
          # h returns 'short', and does range checking (SHRT_MIN ... SHRT_MAX)
          self.assertRaises(TypeError, getargs_h, 3.14)
          self.assertEqual(99, getargs_h(Long()))
          self.assertEqual(99, getargs_h(Int()))
  
          self.assertRaises(OverflowError, getargs_h, SHRT_MIN-1)
          self.assertEqual(SHRT_MIN, getargs_h(SHRT_MIN))
          self.assertEqual(SHRT_MAX, getargs_h(SHRT_MAX))
          self.assertRaises(OverflowError, getargs_h, SHRT_MAX+1)
  
          self.assertEqual(42, getargs_h(42))
          self.assertEqual(42, getargs_h(42L))
          self.assertRaises(OverflowError, getargs_h, VERY_LARGE)
  
      def test_i(self):
          from _testcapi import getargs_i
          # i returns 'int', and does range checking (INT_MIN ... INT_MAX)
          self.assertRaises(TypeError, getargs_i, 3.14)
          self.assertEqual(99, getargs_i(Long()))
          self.assertEqual(99, getargs_i(Int()))
  
          self.assertRaises(OverflowError, getargs_i, INT_MIN-1)
          self.assertEqual(INT_MIN, getargs_i(INT_MIN))
          self.assertEqual(INT_MAX, getargs_i(INT_MAX))
          self.assertRaises(OverflowError, getargs_i, INT_MAX+1)
  
          self.assertEqual(42, getargs_i(42))
          self.assertEqual(42, getargs_i(42L))
          self.assertRaises(OverflowError, getargs_i, VERY_LARGE)
  
      def test_l(self):
          from _testcapi import getargs_l
          # l returns 'long', and does range checking (LONG_MIN ... LONG_MAX)
          self.assertRaises(TypeError, getargs_l, 3.14)
          self.assertEqual(99, getargs_l(Long()))
          self.assertEqual(99, getargs_l(Int()))
  
          self.assertRaises(OverflowError, getargs_l, LONG_MIN-1)
          self.assertEqual(LONG_MIN, getargs_l(LONG_MIN))
          self.assertEqual(LONG_MAX, getargs_l(LONG_MAX))
          self.assertRaises(OverflowError, getargs_l, LONG_MAX+1)
  
          self.assertEqual(42, getargs_l(42))
          self.assertEqual(42, getargs_l(42L))
          self.assertRaises(OverflowError, getargs_l, VERY_LARGE)
  
      def test_n(self):
          from _testcapi import getargs_n
          # n returns 'Py_ssize_t', and does range checking
          # (PY_SSIZE_T_MIN ... PY_SSIZE_T_MAX)
          self.assertRaises(TypeError, getargs_n, 3.14)
          self.assertEqual(99, getargs_n(Long()))
          self.assertEqual(99, getargs_n(Int()))
  
          self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1)
          self.assertEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN))
          self.assertEqual(PY_SSIZE_T_MAX, getargs_n(PY_SSIZE_T_MAX))
          self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MAX+1)
  
          self.assertEqual(42, getargs_n(42))
          self.assertEqual(42, getargs_n(42L))
          self.assertRaises(OverflowError, getargs_n, VERY_LARGE)
  
  
  @unittest.skipUnless(_PY_LONG_LONG_available, 'PY_LONG_LONG not available')
  class LongLong_TestCase(unittest.TestCase):
      def test_L(self):
          from _testcapi import getargs_L
          # L returns 'long long', and does range checking (LLONG_MIN
          # ... LLONG_MAX)
          with warnings.catch_warnings():
              warnings.filterwarnings(
                  "ignore",
                  category=DeprecationWarning,
                  message=".*integer argument expected, got float",
                  module=__name__)
              self.assertEqual(3, getargs_L(3.14))
          with warnings.catch_warnings():
              warnings.filterwarnings(
                  "error",
                  category=DeprecationWarning,
                  message=".*integer argument expected, got float",
                  module="unittest")
              self.assertRaises(DeprecationWarning, getargs_L, 3.14)
  
          self.assertRaises(TypeError, getargs_L, "Hello")
          self.assertEqual(99, getargs_L(Long()))
          self.assertEqual(99, getargs_L(Int()))
  
          self.assertRaises(OverflowError, getargs_L, LLONG_MIN-1)
          self.assertEqual(LLONG_MIN, getargs_L(LLONG_MIN))
          self.assertEqual(LLONG_MAX, getargs_L(LLONG_MAX))
          self.assertRaises(OverflowError, getargs_L, LLONG_MAX+1)
  
          self.assertEqual(42, getargs_L(42))
          self.assertEqual(42, getargs_L(42L))
          self.assertRaises(OverflowError, getargs_L, VERY_LARGE)
  
      def test_K(self):
          from _testcapi import getargs_K
          # K return 'unsigned long long', no range checking
          self.assertRaises(TypeError, getargs_K, 3.14)
          self.assertRaises(TypeError, getargs_K, Long())
          self.assertRaises(TypeError, getargs_K, Int())
          self.assertEqual(ULLONG_MAX, getargs_K(ULLONG_MAX))
          self.assertEqual(0, getargs_K(0))
          self.assertEqual(0, getargs_K(ULLONG_MAX+1))
  
          self.assertEqual(42, getargs_K(42))
          self.assertEqual(42, getargs_K(42L))
  
          self.assertEqual(VERY_LARGE & ULLONG_MAX, getargs_K(VERY_LARGE))
  
  
  class Float_TestCase(unittest.TestCase):
      def assertEqualWithSign(self, actual, expected):
          self.assertEqual(actual, expected)
          self.assertEqual(math.copysign(1, actual), math.copysign(1, expected))
  
      def test_f(self):
          from _testcapi import getargs_f
          self.assertEqual(getargs_f(4.25), 4.25)
          self.assertEqual(getargs_f(4), 4.0)
          self.assertRaises(TypeError, getargs_f, 4.25+0j)
          self.assertEqual(getargs_f(Float()), 4.25)
          self.assertEqual(getargs_f(FloatSubclass(7.5)), 7.5)
          self.assertEqual(getargs_f(FloatSubclass2(7.5)), 7.5)
          self.assertRaises(TypeError, getargs_f, BadFloat())
          self.assertEqual(getargs_f(BadFloat2()), 4.25)
          self.assertEqual(getargs_f(BadFloat3(7.5)), 7.5)
  
          for x in (FLT_MIN, -FLT_MIN, FLT_MAX, -FLT_MAX, INF, -INF):
              self.assertEqual(getargs_f(x), x)
          if FLT_MAX < DBL_MAX:
              self.assertEqual(getargs_f(DBL_MAX), INF)
              self.assertEqual(getargs_f(-DBL_MAX), -INF)
          if FLT_MIN > DBL_MIN:
              self.assertEqualWithSign(getargs_f(DBL_MIN), 0.0)
              self.assertEqualWithSign(getargs_f(-DBL_MIN), -0.0)
          self.assertEqualWithSign(getargs_f(0.0), 0.0)
          self.assertEqualWithSign(getargs_f(-0.0), -0.0)
          r = getargs_f(NAN)
          self.assertNotEqual(r, r)
  
      def test_d(self):
          from _testcapi import getargs_d
          self.assertEqual(getargs_d(4.25), 4.25)
          self.assertEqual(getargs_d(4), 4.0)
          self.assertRaises(TypeError, getargs_d, 4.25+0j)
          self.assertEqual(getargs_d(Float()), 4.25)
          self.assertEqual(getargs_d(FloatSubclass(7.5)), 7.5)
          self.assertEqual(getargs_d(FloatSubclass2(7.5)), 7.5)
          self.assertRaises(TypeError, getargs_d, BadFloat())
          self.assertEqual(getargs_d(BadFloat2()), 4.25)
          self.assertEqual(getargs_d(BadFloat3(7.5)), 7.5)
  
          for x in (DBL_MIN, -DBL_MIN, DBL_MAX, -DBL_MAX, INF, -INF):
              self.assertEqual(getargs_d(x), x)
          self.assertRaises(OverflowError, getargs_d, 1<<DBL_MAX_EXP)
          self.assertRaises(OverflowError, getargs_d, -1<<DBL_MAX_EXP)
          self.assertEqualWithSign(getargs_d(0.0), 0.0)
          self.assertEqualWithSign(getargs_d(-0.0), -0.0)
          r = getargs_d(NAN)
          self.assertNotEqual(r, r)
  
      def test_D(self):
          from _testcapi import getargs_D
          self.assertEqual(getargs_D(4.25+0.5j), 4.25+0.5j)
          self.assertEqual(getargs_D(4.25), 4.25+0j)
          self.assertEqual(getargs_D(4), 4.0+0j)
          self.assertEqual(getargs_D(Complex()), 4.25+0.5j)
          self.assertEqual(getargs_D(ComplexSubclass(7.5+0.25j)), 7.5+0.25j)
          self.assertEqual(getargs_D(ComplexSubclass2(7.5+0.25j)), 7.5+0.25j)
          self.assertRaises(TypeError, getargs_D, BadComplex())
          self.assertEqual(getargs_D(BadComplex2()), 4.25+0.5j)
          self.assertEqual(getargs_D(BadComplex3(7.5+0.25j)), 7.5+0.25j)
  
          for x in (DBL_MIN, -DBL_MIN, DBL_MAX, -DBL_MAX, INF, -INF):
              c = complex(x, 1.0)
              self.assertEqual(getargs_D(c), c)
              c = complex(1.0, x)
              self.assertEqual(getargs_D(c), c)
          self.assertEqualWithSign(getargs_D(complex(0.0, 1.0)).real, 0.0)
          self.assertEqualWithSign(getargs_D(complex(-0.0, 1.0)).real, -0.0)
          self.assertEqualWithSign(getargs_D(complex(1.0, 0.0)).imag, 0.0)
          self.assertEqualWithSign(getargs_D(complex(1.0, -0.0)).imag, -0.0)
  
  
  class Tuple_TestCase(unittest.TestCase):
      def test_args(self):
          from _testcapi import get_args
  
          ret = get_args(1, 2)
          self.assertEqual(ret, (1, 2))
          self.assertIs(type(ret), tuple)
  
          ret = get_args(1, *(2, 3))
          self.assertEqual(ret, (1, 2, 3))
          self.assertIs(type(ret), tuple)
  
          ret = get_args(*[1, 2])
          self.assertEqual(ret, (1, 2))
          self.assertIs(type(ret), tuple)
  
          ret = get_args(*TupleSubclass([1, 2]))
          self.assertEqual(ret, (1, 2))
          self.assertIsInstance(ret, tuple)
  
          ret = get_args()
          self.assertIn(ret, ((), None))
          self.assertIn(type(ret), (tuple, type(None)))
  
          ret = get_args(*())
          self.assertIn(ret, ((), None))
          self.assertIn(type(ret), (tuple, type(None)))
  
      def test_tuple(self):
          from _testcapi import getargs_tuple
  
          ret = getargs_tuple(1, (2, 3))
          self.assertEqual(ret, (1,2,3))
  
          # make sure invalid tuple arguments are handled correctly
          class seq:
              def __len__(self):
                  return 2
              def __getitem__(self, n):
                  raise ValueError
          self.assertRaises(TypeError, getargs_tuple, 1, seq())
  
  class Keywords_TestCase(unittest.TestCase):
      def test_kwargs(self):
          from _testcapi import get_kwargs
  
          ret = get_kwargs(a=1, b=2)
          self.assertEqual(ret, {'a': 1, 'b': 2})
          self.assertIs(type(ret), dict)
  
          ret = get_kwargs(a=1, **{'b': 2, 'c': 3})
          self.assertEqual(ret, {'a': 1, 'b': 2, 'c': 3})
          self.assertIs(type(ret), dict)
  
          ret = get_kwargs(**DictSubclass({'a': 1, 'b': 2}))
          self.assertEqual(ret, {'a': 1, 'b': 2})
          self.assertIsInstance(ret, dict)
  
          ret = get_kwargs()
          self.assertIn(ret, ({}, None))
          self.assertIn(type(ret), (dict, type(None)))
  
          ret = get_kwargs(**{})
          self.assertIn(ret, ({}, None))
          self.assertIn(type(ret), (dict, type(None)))
  
      def test_positional_args(self):
          # using all positional args
          self.assertEqual(
              getargs_keywords((1,2), 3, (4,(5,6)), (7,8,9), 10),
              (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
              )
      def test_mixed_args(self):
          # positional and keyword args
          self.assertEqual(
              getargs_keywords((1,2), 3, (4,(5,6)), arg4=(7,8,9), arg5=10),
              (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
              )
      def test_keyword_args(self):
          # all keywords
          self.assertEqual(
              getargs_keywords(arg1=(1,2), arg2=3, arg3=(4,(5,6)), arg4=(7,8,9), arg5=10),
              (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
              )
      def test_optional_args(self):
          # missing optional keyword args, skipping tuples
          self.assertEqual(
              getargs_keywords(arg1=(1,2), arg2=3, arg5=10),
              (1, 2, 3, -1, -1, -1, -1, -1, -1, 10)
              )
      def test_required_args(self):
          # required arg missing
          try:
              getargs_keywords(arg1=(1,2))
          except TypeError, err:
              self.assertEqual(str(err), "Required argument 'arg2' (pos 2) not found")
          else:
              self.fail('TypeError should have been raised')
      def test_too_many_args(self):
          try:
              getargs_keywords((1,2),3,(4,(5,6)),(7,8,9),10,111)
          except TypeError, err:
              self.assertEqual(str(err), "function takes at most 5 arguments (6 given)")
          else:
              self.fail('TypeError should have been raised')
      def test_invalid_keyword(self):
          # extraneous keyword arg
          try:
              getargs_keywords((1,2),3,arg5=10,arg666=666)
          except TypeError, err:
              self.assertEqual(str(err), "'arg666' is an invalid keyword argument for this function")
          else:
              self.fail('TypeError should have been raised')
  
  
  class Bytes_TestCase(unittest.TestCase):
      def test_c(self):
          from _testcapi import getargs_c
          self.assertRaises(TypeError, getargs_c, 'abc')  # len > 1
          self.assertEqual(getargs_c('a'), 97)
          if test_support.have_unicode:
              self.assertRaises(TypeError, getargs_c, u's')
          self.assertRaises(TypeError, getargs_c, bytearray('a'))
          self.assertRaises(TypeError, getargs_c, memoryview('a'))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_c, buffer('a'))
          self.assertRaises(TypeError, getargs_c, 97)
          self.assertRaises(TypeError, getargs_c, None)
  
      def test_w(self):
          from _testcapi import getargs_w
          self.assertRaises(TypeError, getargs_w, 'abc', 3)
          self.assertRaises(TypeError, getargs_w, u'abc', 3)
          self.assertRaises(TypeError, getargs_w, bytearray('bytes'), 3)
          self.assertRaises(TypeError, getargs_w, memoryview('bytes'), 3)
          self.assertRaises(TypeError, getargs_w,
                            memoryview(bytearray('bytes')), 3)
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_w, buffer('bytes'), 3)
              self.assertRaises(TypeError, getargs_w,
                                buffer(bytearray('bytes')), 3)
          self.assertRaises(TypeError, getargs_w, None, 0)
  
      def test_w_hash(self):
          from _testcapi import getargs_w_hash
          self.assertRaises(TypeError, getargs_w_hash, 'abc')
          self.assertRaises(TypeError, getargs_w_hash, u'abc')
          self.assertRaises(TypeError, getargs_w_hash, bytearray('bytes'))
          self.assertRaises(TypeError, getargs_w_hash, memoryview('bytes'))
          self.assertRaises(TypeError, getargs_w_hash,
                            memoryview(bytearray('bytes')))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_w_hash, buffer('bytes'))
              self.assertRaises(TypeError, getargs_w_hash,
                                buffer(bytearray('bytes')))
          self.assertRaises(TypeError, getargs_w_hash, None)
  
      def test_w_star(self):
          # getargs_w_star() modifies first and last byte
          from _testcapi import getargs_w_star
          self.assertRaises(TypeError, getargs_w_star, 'abc')
          self.assertRaises(TypeError, getargs_w_star, u'abc')
          self.assertRaises(TypeError, getargs_w_star, memoryview('bytes'))
          buf = bytearray('bytearray')
          self.assertEqual(getargs_w_star(buf), '[ytearra]')
          self.assertEqual(buf, bytearray('[ytearra]'))
          buf = bytearray(b'memoryview')
          self.assertEqual(getargs_w_star(memoryview(buf)), '[emoryvie]')
          self.assertEqual(buf, bytearray('[emoryvie]'))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_w_star, buffer('buffer'))
              self.assertRaises(TypeError, getargs_w_star,
                                buffer(bytearray('buffer')))
          self.assertRaises(TypeError, getargs_w_star, None)
  
  
  class String_TestCase(unittest.TestCase):
      def test_s(self):
          from _testcapi import getargs_s
          self.assertEqual(getargs_s('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_s(u'abc'), 'abc')
          self.assertRaises(TypeError, getargs_s, 'nul:\0')
          self.assertRaises(TypeError, getargs_s, u'nul:\0')
          self.assertRaises(TypeError, getargs_s, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_s, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_s, buffer('buffer'))
          self.assertRaises(TypeError, getargs_s, None)
  
      def test_s_star(self):
          from _testcapi import getargs_s_star
          self.assertEqual(getargs_s_star('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_s_star(u'abc'), 'abc')
          self.assertEqual(getargs_s_star('nul:\0'), 'nul:\0')
          self.assertEqual(getargs_s_star(u'nul:\0'), 'nul:\0')
          self.assertEqual(getargs_s_star(bytearray('abc\xe9')), 'abc\xe9')
          self.assertEqual(getargs_s_star(memoryview('abc\xe9')), 'abc\xe9')
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_s_star(buffer('abc\xe9')), 'abc\xe9')
              self.assertEqual(getargs_s_star(buffer(u'abc\xe9')),
                               str(buffer(u'abc\xe9')))
          self.assertRaises(TypeError, getargs_s_star, None)
  
      def test_s_hash(self):
          from _testcapi import getargs_s_hash
          self.assertEqual(getargs_s_hash('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_s_hash(u'abc'), 'abc')
          self.assertEqual(getargs_s_hash('nul:\0'), 'nul:\0')
          self.assertEqual(getargs_s_hash(u'nul:\0'), 'nul:\0')
          self.assertRaises(TypeError, getargs_s_hash, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_s_hash, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_s_hash(buffer('abc\xe9')), 'abc\xe9')
              self.assertEqual(getargs_s_hash(buffer(u'abc\xe9')),
                               str(buffer(u'abc\xe9')))
          self.assertRaises(TypeError, getargs_s_hash, None)
  
      def test_t_hash(self):
          from _testcapi import getargs_t_hash
          self.assertEqual(getargs_t_hash('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_t_hash(u'abc'), 'abc')
          self.assertEqual(getargs_t_hash('nul:\0'), 'nul:\0')
          self.assertEqual(getargs_t_hash(u'nul:\0'), 'nul:\0')
          self.assertRaises(TypeError, getargs_t_hash, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_t_hash, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_t_hash(buffer('abc\xe9')), 'abc\xe9')
              self.assertEqual(getargs_t_hash(buffer(u'abc')), 'abc')
          self.assertRaises(TypeError, getargs_t_hash, None)
  
      def test_z(self):
          from _testcapi import getargs_z
          self.assertEqual(getargs_z('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_z(u'abc'), 'abc')
          self.assertRaises(TypeError, getargs_z, 'nul:\0')
          self.assertRaises(TypeError, getargs_z, u'nul:\0')
          self.assertRaises(TypeError, getargs_z, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_z, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_z, buffer('buffer'))
          self.assertIsNone(getargs_z(None))
  
      def test_z_star(self):
          from _testcapi import getargs_z_star
          self.assertEqual(getargs_z_star('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_z_star(u'abc'), 'abc')
          self.assertEqual(getargs_z_star('nul:\0'), 'nul:\0')
          self.assertEqual(getargs_z_star(u'nul:\0'), 'nul:\0')
          self.assertEqual(getargs_z_star(bytearray('abc\xe9')), 'abc\xe9')
          self.assertEqual(getargs_z_star(memoryview('abc\xe9')), 'abc\xe9')
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_z_star(buffer('abc\xe9')), 'abc\xe9')
              self.assertEqual(getargs_z_star(buffer(u'abc\xe9')),
                               str(buffer(u'abc\xe9')))
          self.assertIsNone(getargs_z_star(None))
  
      def test_z_hash(self):
          from _testcapi import getargs_z_hash
          self.assertEqual(getargs_z_hash('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_z_hash(u'abc'), 'abc')
          self.assertEqual(getargs_z_hash('nul:\0'), 'nul:\0')
          self.assertEqual(getargs_z_hash(u'nul:\0'), 'nul:\0')
          self.assertRaises(TypeError, getargs_z_hash, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_z_hash, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_z_hash(buffer('abc\xe9')), 'abc\xe9')
              self.assertEqual(getargs_z_hash(buffer(u'abc\xe9')),
                               str(buffer(u'abc\xe9')))
          self.assertIsNone(getargs_z_hash(None))
  
  
  @test_support.requires_unicode
  class Unicode_TestCase(unittest.TestCase):
      def test_es(self):
          from _testcapi import getargs_es
          self.assertEqual(getargs_es('abc'), 'abc')
          self.assertEqual(getargs_es(u'abc'), 'abc')
          self.assertEqual(getargs_es('abc', 'ascii'), 'abc')
          self.assertEqual(getargs_es(u'abc\xe9', 'latin1'), 'abc\xe9')
          self.assertRaises(UnicodeEncodeError, getargs_es, u'abc\xe9', 'ascii')
          self.assertRaises(LookupError, getargs_es, u'abc', 'spam')
          self.assertRaises(TypeError, getargs_es,
                            bytearray('bytearray'), 'latin1')
          self.assertRaises(TypeError, getargs_es,
                            memoryview('memoryview'), 'latin1')
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_es(buffer('abc'), 'ascii'), 'abc')
              self.assertEqual(getargs_es(buffer(u'abc'), 'ascii'), 'abc')
          self.assertRaises(TypeError, getargs_es, None, 'latin1')
          self.assertRaises(TypeError, getargs_es, 'nul:\0', 'latin1')
          self.assertRaises(TypeError, getargs_es, u'nul:\0', 'latin1')
  
      def test_et(self):
          from _testcapi import getargs_et
          self.assertEqual(getargs_et('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_et(u'abc'), 'abc')
          self.assertEqual(getargs_et('abc', 'ascii'), 'abc')
          self.assertEqual(getargs_et('abc\xe9', 'ascii'), 'abc\xe9')
          self.assertEqual(getargs_et(u'abc\xe9', 'latin1'), 'abc\xe9')
          self.assertRaises(UnicodeEncodeError, getargs_et, u'abc\xe9', 'ascii')
          self.assertRaises(LookupError, getargs_et, u'abc', 'spam')
          self.assertRaises(TypeError, getargs_et,
                            bytearray('bytearray'), 'latin1')
          self.assertRaises(TypeError, getargs_et,
                            memoryview('memoryview'), 'latin1')
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_et(buffer('abc'), 'ascii'), 'abc')
              self.assertEqual(getargs_et(buffer(u'abc'), 'ascii'), 'abc')
          self.assertRaises(TypeError, getargs_et, None, 'latin1')
          self.assertRaises(TypeError, getargs_et, 'nul:\0', 'latin1')
          self.assertRaises(TypeError, getargs_et, u'nul:\0', 'latin1')
  
      def test_es_hash(self):
          from _testcapi import getargs_es_hash
          self.assertEqual(getargs_es_hash('abc'), 'abc')
          self.assertEqual(getargs_es_hash(u'abc'), 'abc')
          self.assertEqual(getargs_es_hash(u'abc\xe9', 'latin1'), 'abc\xe9')
          self.assertRaises(UnicodeEncodeError, getargs_es_hash, u'abc\xe9', 'ascii')
          self.assertRaises(LookupError, getargs_es_hash, u'abc', 'spam')
          self.assertRaises(TypeError, getargs_es_hash,
                            bytearray('bytearray'), 'latin1')
          self.assertRaises(TypeError, getargs_es_hash,
                            memoryview('memoryview'), 'latin1')
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_es_hash(buffer('abc'), 'ascii'), 'abc')
              self.assertEqual(getargs_es_hash(buffer(u'abc'), 'ascii'), 'abc')
          self.assertRaises(TypeError, getargs_es_hash, None, 'latin1')
          self.assertEqual(getargs_es_hash('nul:\0', 'latin1'), 'nul:\0')
          self.assertEqual(getargs_es_hash(u'nul:\0', 'latin1'), 'nul:\0')
  
          buf = bytearray('x'*8)
          self.assertEqual(getargs_es_hash(u'abc\xe9', 'latin1', buf), 'abc\xe9')
          self.assertEqual(buf, bytearray('abc\xe9\x00xxx'))
          buf = bytearray('x'*5)
          self.assertEqual(getargs_es_hash(u'abc\xe9', 'latin1', buf), 'abc\xe9')
          self.assertEqual(buf, bytearray('abc\xe9\x00'))
          buf = bytearray('x'*4)
          self.assertRaises(TypeError, getargs_es_hash, u'abc\xe9', 'latin1', buf)
          self.assertEqual(buf, bytearray('x'*4))
          buf = bytearray()
          self.assertRaises(TypeError, getargs_es_hash, u'abc\xe9', 'latin1', buf)
  
      def test_et_hash(self):
          from _testcapi import getargs_et_hash
          self.assertEqual(getargs_et_hash('abc\xe9'), 'abc\xe9')
          self.assertEqual(getargs_et_hash(u'abc'), 'abc')
          self.assertEqual(getargs_et_hash('abc\xe9', 'ascii'), 'abc\xe9')
          self.assertEqual(getargs_et_hash(u'abc\xe9', 'latin1'), 'abc\xe9')
          self.assertRaises(UnicodeEncodeError, getargs_et_hash,
                            u'abc\xe9', 'ascii')
          self.assertRaises(LookupError, getargs_et_hash, u'abc', 'spam')
          self.assertRaises(TypeError, getargs_et_hash,
                            bytearray('bytearray'), 'latin1')
          self.assertRaises(TypeError, getargs_et_hash,
                            memoryview('memoryview'), 'latin1')
          with test_support.check_py3k_warnings():
              self.assertEqual(getargs_et_hash(buffer('abc'), 'ascii'), 'abc')
              self.assertEqual(getargs_et_hash(buffer(u'abc'), 'ascii'), 'abc')
          self.assertRaises(TypeError, getargs_et_hash, None, 'latin1')
          self.assertEqual(getargs_et_hash('nul:\0', 'latin1'), 'nul:\0')
          self.assertEqual(getargs_et_hash(u'nul:\0', 'latin1'), 'nul:\0')
  
          buf = bytearray('x'*8)
          self.assertEqual(getargs_et_hash(u'abc\xe9', 'latin1', buf), 'abc\xe9')
          self.assertEqual(buf, bytearray('abc\xe9\x00xxx'))
          buf = bytearray('x'*5)
          self.assertEqual(getargs_et_hash(u'abc\xe9', 'latin1', buf), 'abc\xe9')
          self.assertEqual(buf, bytearray('abc\xe9\x00'))
          buf = bytearray('x'*4)
          self.assertRaises(TypeError, getargs_et_hash, u'abc\xe9', 'latin1', buf)
          self.assertEqual(buf, bytearray('x'*4))
          buf = bytearray()
          self.assertRaises(TypeError, getargs_et_hash, u'abc\xe9', 'latin1', buf)
  
      def test_u(self):
          from _testcapi import getargs_u
          self.assertEqual(getargs_u(u'abc\xe9'), u'abc\xe9')
          self.assertRaises(TypeError, getargs_u, u'nul:\0')
          self.assertRaises(TypeError, getargs_u, 'bytes')
          self.assertRaises(TypeError, getargs_u, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_u, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_u, buffer('buffer'))
          self.assertRaises(TypeError, getargs_u, None)
  
      def test_u_hash(self):
          from _testcapi import getargs_u_hash
          self.assertEqual(getargs_u_hash(u'abc\xe9'), u'abc\xe9')
          self.assertEqual(getargs_u_hash(u'nul:\0'), u'nul:\0')
          self.assertRaises(TypeError, getargs_u_hash, 'bytes')
          self.assertRaises(TypeError, getargs_u_hash, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_u_hash, memoryview('memoryview'))
          with test_support.check_py3k_warnings():
              self.assertRaises(TypeError, getargs_u_hash, buffer('buffer'))
          self.assertRaises(TypeError, getargs_u_hash, None)
  
  
  def test_main():
      tests = [Signed_TestCase, Unsigned_TestCase, LongLong_TestCase,
               Tuple_TestCase, Keywords_TestCase,
               Bytes_TestCase, String_TestCase, Unicode_TestCase]
      test_support.run_unittest(*tests)
  
  class Object_TestCase(unittest.TestCase):
      def test_S(self):
          from _testcapi import getargs_S
          obj = 'str'
          self.assertIs(getargs_S(obj), obj)
          self.assertRaises(TypeError, getargs_S, bytearray('bytearray'))
          if test_support.have_unicode:
              self.assertRaises(TypeError, getargs_S, u'unicode')
          self.assertRaises(TypeError, getargs_S, None)
          self.assertRaises(TypeError, getargs_S, memoryview(obj))
          self.assertRaises(TypeError, getargs_S, buffer(obj))
  
      def test_Y(self):
          from _testcapi import getargs_Y
          obj = bytearray('bytearray')
          self.assertIs(getargs_Y(obj), obj)
          self.assertRaises(TypeError, getargs_Y, 'str')
          if test_support.have_unicode:
              self.assertRaises(TypeError, getargs_Y, u'unicode')
          self.assertRaises(TypeError, getargs_Y, None)
          self.assertRaises(TypeError, getargs_Y, memoryview(obj))
          self.assertRaises(TypeError, getargs_Y, buffer(obj))
  
      @test_support.requires_unicode
      def test_U(self):
          from _testcapi import getargs_U
          obj = u'unicode'
          self.assertIs(getargs_U(obj), obj)
          self.assertRaises(TypeError, getargs_U, 'str')
          self.assertRaises(TypeError, getargs_U, bytearray('bytearray'))
          self.assertRaises(TypeError, getargs_U, None)
          self.assertRaises(TypeError, getargs_U, memoryview(obj))
          self.assertRaises(TypeError, getargs_U, buffer(obj))
  
  
  if __name__ == "__main__":
      test_main()
  