def test_cstrings(self):
from ctypes import c_char_p
s = b'123'
self.assertIs(c_char_p.from_param(s)._obj, s)
self.assertEqual(c_char_p.from_param(b'123')._obj, b'123')
self.assertRaises(TypeError, c_char_p.from_param, '123ÿ')
self.assertRaises(TypeError, c_char_p.from_param, 42)
a = c_char_p(b'123')
self.assertIs(c_char_p.from_param(a), a)
def test_cstrings(self):
from ctypes import c_char_p, byref
s = '123'
self.assertIs(c_char_p.from_param(s)._obj, s)
self.assertEqual(c_char_p.from_param(u'123')._obj, '123')
self.assertRaises(UnicodeEncodeError, c_char_p.from_param, u'123\xff')
self.assertRaises(TypeError, c_char_p.from_param, 42)
a = c_char_p('123')
self.assertIs(c_char_p.from_param(a), a)
def test_cstrings(self):
from ctypes import c_char_p, byref
s = '123'
self.assertIs(c_char_p.from_param(s)._obj, s)
self.assertEqual(c_char_p.from_param(u'123')._obj, '123')
self.assertRaises(UnicodeEncodeError, c_char_p.from_param, u'123\xff')
self.assertRaises(TypeError, c_char_p.from_param, 42)
a = c_char_p('123')
self.assertIs(c_char_p.from_param(a), a)
def test_cstrings(self):
from ctypes import c_char_p, byref
# c_char_p.from_param on a Python String packs the string
# into a cparam object
s = b"123"
self.assertIs(c_char_p.from_param(s)._obj, s)
# new in 0.9.1: convert (encode) unicode to ascii
self.assertEqual(c_char_p.from_param(b"123")._obj, b"123")
self.assertRaises(TypeError, c_char_p.from_param, "123\377")
self.assertRaises(TypeError, c_char_p.from_param, 42)
# calling c_char_p.from_param with a c_char_p instance
# returns the argument itself:
a = c_char_p(b"123")
self.assertIs(c_char_p.from_param(a), a)
def test_cstrings(self):
from ctypes import c_char_p, byref
# c_char_p.from_param on a Python String packs the string
# into a cparam object
s = b"123"
self.assertTrue(c_char_p.from_param(s)._obj is s)
# new in 0.9.1: convert (encode) unicode to ascii
self.assertEqual(c_char_p.from_param(b"123")._obj, b"123")
self.assertRaises(TypeError, c_char_p.from_param, "123\377")
self.assertRaises(TypeError, c_char_p.from_param, 42)
# calling c_char_p.from_param with a c_char_p instance
# returns the argument itself:
a = c_char_p(b"123")
self.assertTrue(c_char_p.from_param(a) is a)
def from_param(cls, param):
if type(param) is str:
return cls(param)
try:
if type(param) is unicode:
return cls(param)
except NameError:
pass # The unicode type does not exist in python 3
return c_char_p.from_param(param)
def from_param(cls, param):
if type(param) is str:
return cls(param)
try:
if type(param) is unicode:
return cls(param)
except NameError:
pass # The unicode type does not exist in python 3
return c_char_p.from_param(param)
def test_parameter_repr(self):
from ctypes import (
c_bool,
c_char,
c_wchar,
c_byte,
c_ubyte,
c_short,
c_ushort,
c_int,
c_uint,
c_long,
c_ulong,
c_longlong,
c_ulonglong,
c_float,
c_double,
c_longdouble,
c_char_p,
c_wchar_p,
c_void_p,
)
self.assertRegexpMatches(repr(c_bool.from_param(True)),
r"^<cparam '\?' at 0x[A-Fa-f0-9]+>$")
self.assertEqual(repr(c_char.from_param('a')), "<cparam 'c' ('a')>")
self.assertRegexpMatches(repr(c_wchar.from_param('a')),
r"^<cparam 'u' at 0x[A-Fa-f0-9]+>$")
self.assertEqual(repr(c_byte.from_param(98)), "<cparam 'b' (98)>")
self.assertEqual(repr(c_ubyte.from_param(98)), "<cparam 'B' (98)>")
self.assertEqual(repr(c_short.from_param(511)), "<cparam 'h' (511)>")
self.assertEqual(repr(c_ushort.from_param(511)), "<cparam 'H' (511)>")
self.assertRegexpMatches(repr(c_int.from_param(20000)),
r"^<cparam '[li]' \(20000\)>$")
self.assertRegexpMatches(repr(c_uint.from_param(20000)),
r"^<cparam '[LI]' \(20000\)>$")
self.assertRegexpMatches(repr(c_long.from_param(20000)),
r"^<cparam '[li]' \(20000\)>$")
self.assertRegexpMatches(repr(c_ulong.from_param(20000)),
r"^<cparam '[LI]' \(20000\)>$")
self.assertRegexpMatches(repr(c_longlong.from_param(20000)),
r"^<cparam '[liq]' \(20000\)>$")
self.assertRegexpMatches(repr(c_ulonglong.from_param(20000)),
r"^<cparam '[LIQ]' \(20000\)>$")
self.assertEqual(repr(c_float.from_param(1.5)), "<cparam 'f' (1.5)>")
self.assertEqual(repr(c_double.from_param(1.5)), "<cparam 'd' (1.5)>")
self.assertEqual(repr(c_double.from_param(1e300)),
"<cparam 'd' (1e+300)>")
self.assertRegexpMatches(
repr(c_longdouble.from_param(1.5)),
r"^<cparam ('d' \(1.5\)|'g' at 0x[A-Fa-f0-9]+)>$")
self.assertRegexpMatches(repr(c_char_p.from_param(b'hihi')),
"^<cparam 'z' \(0x[A-Fa-f0-9]+\)>$")
self.assertRegexpMatches(repr(c_wchar_p.from_param('hihi')),
"^<cparam 'Z' \(0x[A-Fa-f0-9]+\)>$")
self.assertRegexpMatches(repr(c_void_p.from_param(0x12)),
r"^<cparam 'P' \(0x0*12\)>$")
def test_cstrings(self):
py.test.skip("testing implementation internals")
from ctypes import c_char_p, byref
# c_char_p.from_param on a Python String packs the string
# into a cparam object
s = "123"
assert c_char_p.from_param(s)._obj is s
# new in 0.9.1: convert (encode) unicode to ascii
assert c_char_p.from_param("123")._obj == b"123"
raises(UnicodeEncodeError, c_char_p.from_param, "123\377")
raises(TypeError, c_char_p.from_param, 42)
# calling c_char_p.from_param with a c_char_p instance
# returns the argument itself:
a = c_char_p("123")
assert c_char_p.from_param(a) is a
def test_cstrings(self):
py.test.skip("testing implementation internals")
from ctypes import c_char_p, byref
# c_char_p.from_param on a Python String packs the string
# into a cparam object
s = "123"
assert c_char_p.from_param(s)._obj is s
# new in 0.9.1: convert (encode) unicode to ascii
assert c_char_p.from_param("123")._obj == b"123"
raises(UnicodeEncodeError, c_char_p.from_param, "123\377")
raises(TypeError, c_char_p.from_param, 42)
# calling c_char_p.from_param with a c_char_p instance
# returns the argument itself:
a = c_char_p("123")
assert c_char_p.from_param(a) is a
def test_cstrings(self):
from ctypes import c_char_p, byref
# c_char_p.from_param on a Python String packs the string
# into a cparam object
s = "123"
assert c_char_p.from_param(s)._obj is s
# new in 0.9.1: convert (encode) unicode to ascii
assert c_char_p.from_param(u"123")._obj == "123"
with pytest.raises(UnicodeEncodeError):
c_char_p.from_param(u"123\377")
with pytest.raises(TypeError):
c_char_p.from_param(42)
# calling c_char_p.from_param with a c_char_p instance
# returns the argument itself:
a = c_char_p("123")
assert c_char_p.from_param(a) is a
