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-rw-r--r--lib/python2.7/ctypes/test/test_bitfields.py264
1 files changed, 0 insertions, 264 deletions
diff --git a/lib/python2.7/ctypes/test/test_bitfields.py b/lib/python2.7/ctypes/test/test_bitfields.py
deleted file mode 100644
index 3bcc67f..0000000
--- a/lib/python2.7/ctypes/test/test_bitfields.py
+++ /dev/null
@@ -1,264 +0,0 @@
-from ctypes import *
-import unittest
-import os
-
-import ctypes
-import _ctypes_test
-
-class BITS(Structure):
- _fields_ = [("A", c_int, 1),
- ("B", c_int, 2),
- ("C", c_int, 3),
- ("D", c_int, 4),
- ("E", c_int, 5),
- ("F", c_int, 6),
- ("G", c_int, 7),
- ("H", c_int, 8),
- ("I", c_int, 9),
-
- ("M", c_short, 1),
- ("N", c_short, 2),
- ("O", c_short, 3),
- ("P", c_short, 4),
- ("Q", c_short, 5),
- ("R", c_short, 6),
- ("S", c_short, 7)]
-
-func = CDLL(_ctypes_test.__file__).unpack_bitfields
-func.argtypes = POINTER(BITS), c_char
-
-##for n in "ABCDEFGHIMNOPQRS":
-## print n, hex(getattr(BITS, n).size), getattr(BITS, n).offset
-
-class C_Test(unittest.TestCase):
-
- def test_ints(self):
- for i in range(512):
- for name in "ABCDEFGHI":
- b = BITS()
- setattr(b, name, i)
- self.assertEqual((name, i, getattr(b, name)), (name, i, func(byref(b), name)))
-
- def test_shorts(self):
- for i in range(256):
- for name in "MNOPQRS":
- b = BITS()
- setattr(b, name, i)
- self.assertEqual((name, i, getattr(b, name)), (name, i, func(byref(b), name)))
-
-signed_int_types = (c_byte, c_short, c_int, c_long, c_longlong)
-unsigned_int_types = (c_ubyte, c_ushort, c_uint, c_ulong, c_ulonglong)
-int_types = unsigned_int_types + signed_int_types
-
-class BitFieldTest(unittest.TestCase):
-
- def test_longlong(self):
- class X(Structure):
- _fields_ = [("a", c_longlong, 1),
- ("b", c_longlong, 62),
- ("c", c_longlong, 1)]
-
- self.assertEqual(sizeof(X), sizeof(c_longlong))
- x = X()
- x.a, x.b, x.c = -1, 7, -1
- self.assertEqual((x.a, x.b, x.c), (-1, 7, -1))
-
- def test_ulonglong(self):
- class X(Structure):
- _fields_ = [("a", c_ulonglong, 1),
- ("b", c_ulonglong, 62),
- ("c", c_ulonglong, 1)]
-
- self.assertEqual(sizeof(X), sizeof(c_longlong))
- x = X()
- self.assertEqual((x.a, x.b, x.c), (0, 0, 0))
- x.a, x.b, x.c = 7, 7, 7
- self.assertEqual((x.a, x.b, x.c), (1, 7, 1))
-
- def test_signed(self):
- for c_typ in signed_int_types:
- class X(Structure):
- _fields_ = [("dummy", c_typ),
- ("a", c_typ, 3),
- ("b", c_typ, 3),
- ("c", c_typ, 1)]
- self.assertEqual(sizeof(X), sizeof(c_typ)*2)
-
- x = X()
- self.assertEqual((c_typ, x.a, x.b, x.c), (c_typ, 0, 0, 0))
- x.a = -1
- self.assertEqual((c_typ, x.a, x.b, x.c), (c_typ, -1, 0, 0))
- x.a, x.b = 0, -1
- self.assertEqual((c_typ, x.a, x.b, x.c), (c_typ, 0, -1, 0))
-
-
- def test_unsigned(self):
- for c_typ in unsigned_int_types:
- class X(Structure):
- _fields_ = [("a", c_typ, 3),
- ("b", c_typ, 3),
- ("c", c_typ, 1)]
- self.assertEqual(sizeof(X), sizeof(c_typ))
-
- x = X()
- self.assertEqual((c_typ, x.a, x.b, x.c), (c_typ, 0, 0, 0))
- x.a = -1
- self.assertEqual((c_typ, x.a, x.b, x.c), (c_typ, 7, 0, 0))
- x.a, x.b = 0, -1
- self.assertEqual((c_typ, x.a, x.b, x.c), (c_typ, 0, 7, 0))
-
-
- def fail_fields(self, *fields):
- return self.get_except(type(Structure), "X", (),
- {"_fields_": fields})
-
- def test_nonint_types(self):
- # bit fields are not allowed on non-integer types.
- result = self.fail_fields(("a", c_char_p, 1))
- self.assertEqual(result, (TypeError, 'bit fields not allowed for type c_char_p'))
-
- result = self.fail_fields(("a", c_void_p, 1))
- self.assertEqual(result, (TypeError, 'bit fields not allowed for type c_void_p'))
-
- if c_int != c_long:
- result = self.fail_fields(("a", POINTER(c_int), 1))
- self.assertEqual(result, (TypeError, 'bit fields not allowed for type LP_c_int'))
-
- result = self.fail_fields(("a", c_char, 1))
- self.assertEqual(result, (TypeError, 'bit fields not allowed for type c_char'))
-
- try:
- c_wchar
- except NameError:
- pass
- else:
- result = self.fail_fields(("a", c_wchar, 1))
- self.assertEqual(result, (TypeError, 'bit fields not allowed for type c_wchar'))
-
- class Dummy(Structure):
- _fields_ = []
-
- result = self.fail_fields(("a", Dummy, 1))
- self.assertEqual(result, (TypeError, 'bit fields not allowed for type Dummy'))
-
- def test_single_bitfield_size(self):
- for c_typ in int_types:
- result = self.fail_fields(("a", c_typ, -1))
- self.assertEqual(result, (ValueError, 'number of bits invalid for bit field'))
-
- result = self.fail_fields(("a", c_typ, 0))
- self.assertEqual(result, (ValueError, 'number of bits invalid for bit field'))
-
- class X(Structure):
- _fields_ = [("a", c_typ, 1)]
- self.assertEqual(sizeof(X), sizeof(c_typ))
-
- class X(Structure):
- _fields_ = [("a", c_typ, sizeof(c_typ)*8)]
- self.assertEqual(sizeof(X), sizeof(c_typ))
-
- result = self.fail_fields(("a", c_typ, sizeof(c_typ)*8 + 1))
- self.assertEqual(result, (ValueError, 'number of bits invalid for bit field'))
-
- def test_multi_bitfields_size(self):
- class X(Structure):
- _fields_ = [("a", c_short, 1),
- ("b", c_short, 14),
- ("c", c_short, 1)]
- self.assertEqual(sizeof(X), sizeof(c_short))
-
- class X(Structure):
- _fields_ = [("a", c_short, 1),
- ("a1", c_short),
- ("b", c_short, 14),
- ("c", c_short, 1)]
- self.assertEqual(sizeof(X), sizeof(c_short)*3)
- self.assertEqual(X.a.offset, 0)
- self.assertEqual(X.a1.offset, sizeof(c_short))
- self.assertEqual(X.b.offset, sizeof(c_short)*2)
- self.assertEqual(X.c.offset, sizeof(c_short)*2)
-
- class X(Structure):
- _fields_ = [("a", c_short, 3),
- ("b", c_short, 14),
- ("c", c_short, 14)]
- self.assertEqual(sizeof(X), sizeof(c_short)*3)
- self.assertEqual(X.a.offset, sizeof(c_short)*0)
- self.assertEqual(X.b.offset, sizeof(c_short)*1)
- self.assertEqual(X.c.offset, sizeof(c_short)*2)
-
-
- def get_except(self, func, *args, **kw):
- try:
- func(*args, **kw)
- except Exception, detail:
- return detail.__class__, str(detail)
-
- def test_mixed_1(self):
- class X(Structure):
- _fields_ = [("a", c_byte, 4),
- ("b", c_int, 4)]
- if os.name in ("nt", "ce"):
- self.assertEqual(sizeof(X), sizeof(c_int)*2)
- else:
- self.assertEqual(sizeof(X), sizeof(c_int))
-
- def test_mixed_2(self):
- class X(Structure):
- _fields_ = [("a", c_byte, 4),
- ("b", c_int, 32)]
- self.assertEqual(sizeof(X), sizeof(c_int)*2)
-
- def test_mixed_3(self):
- class X(Structure):
- _fields_ = [("a", c_byte, 4),
- ("b", c_ubyte, 4)]
- self.assertEqual(sizeof(X), sizeof(c_byte))
-
- def test_mixed_4(self):
- class X(Structure):
- _fields_ = [("a", c_short, 4),
- ("b", c_short, 4),
- ("c", c_int, 24),
- ("d", c_short, 4),
- ("e", c_short, 4),
- ("f", c_int, 24)]
- # MSVC does NOT combine c_short and c_int into one field, GCC
- # does (unless GCC is run with '-mms-bitfields' which
- # produces code compatible with MSVC).
- if os.name in ("nt", "ce"):
- self.assertEqual(sizeof(X), sizeof(c_int) * 4)
- else:
- self.assertEqual(sizeof(X), sizeof(c_int) * 2)
-
- def test_anon_bitfields(self):
- # anonymous bit-fields gave a strange error message
- class X(Structure):
- _fields_ = [("a", c_byte, 4),
- ("b", c_ubyte, 4)]
- class Y(Structure):
- _anonymous_ = ["_"]
- _fields_ = [("_", X)]
-
- @unittest.skipUnless(hasattr(ctypes, "c_uint32"), "c_int32 is required")
- def test_uint32(self):
- class X(Structure):
- _fields_ = [("a", c_uint32, 32)]
- x = X()
- x.a = 10
- self.assertEqual(x.a, 10)
- x.a = 0xFDCBA987
- self.assertEqual(x.a, 0xFDCBA987)
-
- @unittest.skipUnless(hasattr(ctypes, "c_uint64"), "c_int64 is required")
- def test_uint64(self):
- class X(Structure):
- _fields_ = [("a", c_uint64, 64)]
- x = X()
- x.a = 10
- self.assertEqual(x.a, 10)
- x.a = 0xFEDCBA9876543211
- self.assertEqual(x.a, 0xFEDCBA9876543211)
-
-if __name__ == "__main__":
- unittest.main()
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