def test_getMem_onConstAttr_raisesWriteMemoryError(self, ctype, addrspace):
const_ctype = ctype.with_attr('const').bind(addrspace)
cobj = cdm.CProxy(const_ctype, 0)
with pytest.raises(core.WriteProtectError):
cobj.mem = b'x'
def cobj_of_val(self, val):
static_val_ctype = Mock(convert_from_c_repr=Mock(return_value=val),
__addrspace__=Mock(),
side_effect=self.cobj_of_val,
has_attr=Mock(return_value=False))
return cdm.CProxy(static_val_ctype, 0)
def test_getMem_onConstAttr_setsReadonlyFlag(self, ctype, addrspace):
const_ctype = ctype.with_attr('const').bind(addrspace)
cobj = cdm.CProxy(const_ctype, 0)
assert cobj.mem.readonly
def test_getVal_returnsConvertedCRepr(self, ctype, addrspace):
ctype.convert_from_c_repr = convert_from_c_repr = Mock()
cproxy = cdm.CProxy(ctype.bind(addrspace), 0)
assert cproxy.val is convert_from_c_repr.return_value
convert_from_c_repr.assert_called_once_with(addrspace.content[:1])
def cobj(self, ctype, addrspace):
bound_ctype = ctype.bind(addrspace)
adr = addrspace.alloc_memory(10)
return cdm.CProxy(bound_ctype, adr)
def test_init_onManagedMemoryBlocks(self, ctype, addrspace):
adr = addrspace.alloc_memory(10)
bound_ctype = ctype.bind(addrspace)
cproxy = cdm.CProxy(bound_ctype, adr)
def test_init_setsAttributes(self, ctype, addrspace):
adr = addrspace.alloc_memory(10)
bound_ctype = ctype.bind(addrspace)
cproxy = cdm.CProxy(bound_ctype, adr)
assert cproxy.ctype is bound_ctype
assert cproxy.__address__ == adr