def test_returning_str(self):
import _rawffi
lib = _rawffi.CDLL(self.lib_name)
char_check = lib.ptr('char_check', ['c', 'c'], 's')
A = _rawffi.Array('c')
arg1 = A(1)
arg2 = A(1)
arg1[0] = 'y'
arg2[0] = 'x'
res = char_check(arg1, arg2)
assert _rawffi.charp2string(res[0]) == 'xxxxxx'
assert _rawffi.charp2rawstring(res[0]) == 'xxxxxx'
assert _rawffi.charp2rawstring(res[0], 3) == 'xxx'
a = A(6, 'xx\x00\x00xx')
assert _rawffi.charp2string(a.buffer) == 'xx'
assert _rawffi.charp2rawstring(a.buffer, 4) == 'xx\x00\x00'
res.free()
arg1[0] = 'x'
arg2[0] = 'y'
res = char_check(arg1, arg2)
assert res[0] == 0
assert _rawffi.charp2string(res[0]) is None
res.free()
arg1.free()
arg2.free()
def test_buffer_info(self):
a = self.array('c', 'Hi!')
bi = a.buffer_info()
assert bi[0] != 0
assert bi[1] == 3
import _rawffi
data = _rawffi.charp2string(bi[0])
assert data[0:3] == 'Hi!'
def test_buffer_info(self):
a = self.array('c', 'Hi!')
bi = a.buffer_info()
assert bi[0] != 0
assert bi[1] == 3
import _rawffi
data = _rawffi.charp2string(bi[0])
assert data[0:3] == 'Hi!'
def test_array_autofree(self):
import gc, _rawffi
oldnum = _rawffi._num_of_allocated_objects()
A = _rawffi.Array('c')
a = A(6, 'xxyxx\x00', autofree=True)
assert _rawffi.charp2string(a.buffer) == 'xxyxx'
a = None
gc.collect()
assert oldnum == _rawffi._num_of_allocated_objects()
def test_array_autofree(self):
import gc, _rawffi
gc.collect()
oldnum = _rawffi._num_of_allocated_objects()
A = _rawffi.Array('c')
a = A(6, 'xxyxx\x00', autofree=True)
assert _rawffi.charp2string(a.buffer) == 'xxyxx'
a = None
gc.collect()
assert oldnum == _rawffi._num_of_allocated_objects()
def _CData_output(self, resarray, base=None, index=-1):
# this seems to be a string if we're array of char, surprise!
from ctypes import c_char, c_wchar
if self._type_ is c_char:
return _rawffi.charp2string(resarray.buffer, self._length_)
if self._type_ is c_wchar:
return _rawffi.wcharp2unicode(resarray.buffer, self._length_)
res = self.__new__(self)
ffiarray = self._ffiarray.fromaddress(resarray.buffer, self._length_)
res._buffer = ffiarray
res._base = base
res._index = index
return res
def _CData_output(self, resarray, base=None, index=-1):
# this seems to be a string if we're array of char, surprise!
from ctypes import c_char, c_wchar
if self._type_ is c_char:
return _rawffi.charp2string(resarray.buffer, self._length_)
if self._type_ is c_wchar:
return _rawffi.wcharp2unicode(resarray.buffer, self._length_)
res = self.__new__(self)
ffiarray = self._ffiarray.fromaddress(resarray.buffer, self._length_)
res._buffer = ffiarray
res._base = base
res._index = index
return res
def test_returning_str(self):
import _rawffi
lib = _rawffi.CDLL(self.lib_name)
char_check = lib.ptr('char_check', ['c', 'c'], 's')
A = _rawffi.Array('c')
arg1 = A(1)
arg2 = A(1)
arg1[0] = 'y'
arg2[0] = 'x'
res = char_check(arg1, arg2)
assert _rawffi.charp2string(res[0]) == 'xxxxxx'
assert _rawffi.charp2rawstring(res[0]) == 'xxxxxx'
assert _rawffi.charp2rawstring(res[0], 3) == 'xxx'
a = A(6, 'xx\x00\x00xx')
assert _rawffi.charp2string(a.buffer) == 'xx'
assert _rawffi.charp2rawstring(a.buffer, 4) == 'xx\x00\x00'
arg1[0] = 'x'
arg2[0] = 'y'
res = char_check(arg1, arg2)
assert res[0] == 0
assert _rawffi.charp2string(res[0]) is None
arg1.free()
arg2.free()
def test_array_autofree(self):
import gc, _rawffi
gc.collect()
try:
oldnum = _rawffi._num_of_allocated_objects()
except RuntimeError:
oldnum = '?'
A = _rawffi.Array('c')
a = A(6, 'xxyxx\x00', autofree=True)
assert _rawffi.charp2string(a.buffer) == 'xxyxx'
a = None
gc.collect()
if oldnum != '?':
assert oldnum == _rawffi._num_of_allocated_objects()
def test_array_autofree(self):
import gc, _rawffi
gc.collect()
try:
oldnum = _rawffi._num_of_allocated_objects()
except RuntimeError:
oldnum = '?'
A = _rawffi.Array('c')
a = A(6, 'xxyxx\x00', autofree=True)
assert _rawffi.charp2string(a.buffer) == 'xxyxx'
a = None
gc.collect()
if oldnum != '?':
assert oldnum == _rawffi._num_of_allocated_objects()
def _CData_output(self, resarray, base=None, index=-1):
from _rawffi.alt import types
# If a char_p or unichar_p is received, skip the string interpretation
if base._ffiargtype != types.Pointer(types.char_p) and \
base._ffiargtype != types.Pointer(types.unichar_p):
# this seems to be a string if we're array of char, surprise!
from ctypes import c_char, c_wchar
if self._type_ is c_char:
return _rawffi.charp2string(resarray.buffer, self._length_)
if self._type_ is c_wchar:
return _rawffi.wcharp2unicode(resarray.buffer, self._length_)
res = self.__new__(self)
ffiarray = self._ffiarray.fromaddress(resarray.buffer, self._length_)
res._buffer = ffiarray
if base is not None:
res._base = base
res._index = index
return res
def _getvalue(self):
addr = self._buffer[0]
if addr == 0:
return None
else:
return _rawffi.charp2string(addr)
def getvalue(self):
return _rawffi.charp2string(self._buffer.buffer,
self._length_)
def _getvalue(self):
addr = self._buffer[0]
if addr == 0:
return None
else:
return _rawffi.charp2string(addr)
def getvalue(self):
return _rawffi.charp2string(self._buffer.buffer,
self._length_)
