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|
import sys
import pytest
from pypy.interpreter.error import OperationError
from rpython.rtyper.lltypesystem import rffi, lltype
from rpython.rlib.rarithmetic import maxint
from pypy.objspace.std.longobject import W_LongObject
from pypy.module.cpyext.test.test_api import BaseApiTest
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.longobject import (PyLong_Check, PyLong_CheckExact,
PyLong_FromLong, PyLong_AsLong, PyLong_AsUnsignedLong, PyLong_AsLongLong,
PyLong_AsUnsignedLongLong, PyLong_AsUnsignedLongLongMask)
class TestLongObject(BaseApiTest):
def test_FromLong(self, space, api):
w_value = api.PyLong_FromLong(3)
assert isinstance(w_value, W_LongObject)
assert space.unwrap(w_value) == 3
w_value = api.PyLong_FromLong(sys.maxint)
assert isinstance(w_value, W_LongObject)
assert space.unwrap(w_value) == sys.maxint
def test_aslong(self, space):
w_value = PyLong_FromLong(space, (sys.maxint - 1) / 2)
assert isinstance(w_value, W_LongObject)
w_value = space.mul(w_value, space.wrap(2))
assert isinstance(w_value, W_LongObject)
value = PyLong_AsLong(space, w_value)
assert value == (sys.maxint - 1)
w_value = space.mul(w_value, space.wrap(2))
with pytest.raises(OperationError) as excinfo:
PyLong_AsLong(space, w_value)
assert excinfo.value.w_type is space.w_OverflowError
value = PyLong_AsUnsignedLong(space, w_value)
assert value == (sys.maxint - 1) * 2
with pytest.raises(OperationError) as excinfo:
PyLong_AsUnsignedLong(space, space.newint(-1))
assert excinfo.value.w_type is space.w_OverflowError
def test_as_ssize_t(self, space, api):
w_value = space.newlong(2)
assert isinstance(w_value, W_LongObject)
value = api.PyLong_AsSsize_t(w_value)
assert value == 2
w_val2 = api.PyLong_FromSsize_t(2)
assert isinstance(w_val2, W_LongObject)
assert space.eq_w(w_value, w_val2)
def test_fromdouble(self, space, api):
w_value = api.PyLong_FromDouble(-12.74)
assert space.isinstance_w(w_value, space.w_int)
assert space.unwrap(w_value) == -12
assert api.PyLong_AsDouble(w_value) == -12
def test_type_check(self, space, api):
w_l = space.wrap(sys.maxint + 1)
assert PyLong_Check(space, w_l)
assert PyLong_CheckExact(space, w_l)
w_i = space.wrap(sys.maxint)
assert PyLong_Check(space, w_i)
assert PyLong_CheckExact(space, w_i)
L = space.appexec([], """():
class L(int):
pass
return L
""")
l = space.call_function(L)
assert PyLong_Check(space, l)
assert not PyLong_CheckExact(space, l)
def test_as_longlong(self, space):
assert PyLong_AsLongLong(space, space.wrap(1 << 62)) == 1 << 62
with pytest.raises(OperationError) as excinfo:
PyLong_AsLongLong(space, space.wrap(1 << 63))
assert excinfo.value.w_type is space.w_OverflowError
assert PyLong_AsUnsignedLongLong(space, space.wrap(1 << 63)) == 1 << 63
with pytest.raises(OperationError) as excinfo:
PyLong_AsUnsignedLongLong(space, space.wrap(1 << 64))
assert excinfo.value.w_type is space.w_OverflowError
assert PyLong_AsUnsignedLongLongMask(space, space.wrap(1 << 64)) == 0
with pytest.raises(OperationError) as excinfo:
PyLong_AsUnsignedLongLong(space, space.newint(-1))
assert excinfo.value.w_type is space.w_OverflowError
def test_as_long_and_overflow(self, space, api):
overflow = lltype.malloc(rffi.CArrayPtr(rffi.INT_real).TO, 1, flavor='raw')
assert api.PyLong_AsLongAndOverflow(
space.wrap(sys.maxint), overflow) == sys.maxint
assert api.PyLong_AsLongAndOverflow(
space.wrap(-sys.maxint - 2), overflow) == -1
assert not api.PyErr_Occurred()
assert overflow[0] == -1
lltype.free(overflow, flavor='raw')
def test_as_longlong_and_overflow(self, space, api):
overflow = lltype.malloc(rffi.CArrayPtr(rffi.INT_real).TO, 1, flavor='raw')
assert api.PyLong_AsLongLongAndOverflow(
space.wrap(1<<62), overflow) == 1<<62
assert api.PyLong_AsLongLongAndOverflow(
space.wrap(1<<63), overflow) == -1
assert not api.PyErr_Occurred()
assert overflow[0] == 1
assert api.PyLong_AsLongLongAndOverflow(
space.wrap(-1<<64), overflow) == -1
assert not api.PyErr_Occurred()
assert overflow[0] == -1
lltype.free(overflow, flavor='raw')
def test_as_voidptr(self, space, api):
w_l = api.PyLong_FromVoidPtr(lltype.nullptr(rffi.VOIDP.TO))
assert space.is_w(space.type(w_l), space.w_int)
assert space.unwrap(w_l) == 0
assert api.PyLong_AsVoidPtr(w_l) == lltype.nullptr(rffi.VOIDP.TO)
p = rffi.cast(rffi.VOIDP, maxint)
w_l = api.PyLong_FromVoidPtr(p)
assert space.is_w(space.type(w_l), space.w_int)
assert space.unwrap(w_l) == maxint
assert api.PyLong_AsVoidPtr(w_l) == p
p = rffi.cast(rffi.VOIDP, -maxint-1)
w_l = api.PyLong_FromVoidPtr(p)
assert space.is_w(space.type(w_l), space.w_int)
assert space.unwrap(w_l) == maxint+1
assert api.PyLong_AsVoidPtr(w_l) == p
def test_sign_and_bits(self, space, api):
assert api._PyLong_Sign(space.wraplong(0L)) == 0
assert api._PyLong_Sign(space.wraplong(2L)) == 1
assert api._PyLong_Sign(space.wraplong(-2L)) == -1
assert api._PyLong_Sign(space.wrap(0)) == 0
assert api._PyLong_Sign(space.wrap(42)) == 1
assert api._PyLong_Sign(space.wrap(-42)) == -1
assert api._PyLong_NumBits(space.wrap(0)) == 0
assert api._PyLong_NumBits(space.wrap(1)) == 1
assert api._PyLong_NumBits(space.wrap(-1)) == 1
assert api._PyLong_NumBits(space.wrap(2)) == 2
assert api._PyLong_NumBits(space.wrap(-2)) == 2
assert api._PyLong_NumBits(space.wrap(3)) == 2
assert api._PyLong_NumBits(space.wrap(-3)) == 2
def test_as_ulongmask(self, space, api):
assert api.PyLong_AsUnsignedLongMask(
space.wrap(sys.maxsize * 2 + 1)) == sys.maxsize * 2 + 1
assert api.PyLong_AsUnsignedLongMask(
space.wrap(sys.maxsize * 2 + 2)) == 0
class AppTestLongObject(AppTestCpythonExtensionBase):
def test_fromunsignedlong(self):
module = self.import_extension('foo', [
("from_unsignedlong", "METH_NOARGS",
"""
PyObject * obj;
obj = PyLong_FromUnsignedLong((unsigned long)-1);
if (obj->ob_type != &PyLong_Type)
{
Py_DECREF(obj);
PyErr_SetString(PyExc_ValueError,
"PyLong_FromLongLong did not return PyLongObject");
return NULL;
}
return obj;
""")])
import sys
assert module.from_unsignedlong() == 2 * sys.maxsize + 1
def test_fromlonglong(self):
module = self.import_extension('foo', [
("from_longlong", "METH_VARARGS",
"""
int val;
PyObject * obj;
if (!PyArg_ParseTuple(args, "i", &val))
return NULL;
obj = PyLong_FromLongLong((long long)val);
if (obj->ob_type != &PyLong_Type)
{
Py_DECREF(obj);
PyErr_SetString(PyExc_ValueError,
"PyLong_FromLongLong did not return PyLongObject");
return NULL;
}
return obj;
"""),
("from_unsignedlonglong", "METH_VARARGS",
"""
int val;
PyObject * obj;
if (!PyArg_ParseTuple(args, "i", &val))
return NULL;
obj = PyLong_FromUnsignedLongLong((long long)val);
if (obj->ob_type != &PyLong_Type)
{
Py_DECREF(obj);
PyErr_SetString(PyExc_ValueError,
"PyLong_FromLongLong did not return PyLongObject");
return NULL;
}
return obj;
""")])
assert module.from_longlong(-1) == -1
assert module.from_longlong(0) == 0
assert module.from_unsignedlonglong(0) == 0
assert module.from_unsignedlonglong(-1) == (1<<64) - 1
def test_from_size_t(self):
module = self.import_extension('foo', [
("from_unsignedlong", "METH_NOARGS",
"""
return PyLong_FromSize_t((size_t)-1);
""")])
import sys
assert module.from_unsignedlong() == 2 * sys.maxsize + 1
def test_fromstring(self):
module = self.import_extension('foo', [
("from_string", "METH_NOARGS",
"""
return PyLong_FromString("0x1234", NULL, 0);
"""),
])
assert module.from_string() == 0x1234
def test_frombytearray(self):
module = self.import_extension('foo', [
("from_bytearray", "METH_VARARGS",
"""
int little_endian, is_signed;
if (!PyArg_ParseTuple(args, "ii", &little_endian, &is_signed))
return NULL;
return _PyLong_FromByteArray((unsigned char*)"\\x9A\\xBC", 2,
little_endian, is_signed);
"""),
])
assert module.from_bytearray(True, False) == 0xBC9A
assert module.from_bytearray(True, True) == -0x4366
assert module.from_bytearray(False, False) == 0x9ABC
assert module.from_bytearray(False, True) == -0x6544
def test_frombytearray_2(self):
module = self.import_extension('foo', [
("from_bytearray", "METH_VARARGS",
"""
int little_endian, is_signed;
if (!PyArg_ParseTuple(args, "ii", &little_endian, &is_signed))
return NULL;
return _PyLong_FromByteArray((unsigned char*)"\\x9A\\xBC\\x41", 3,
little_endian, is_signed);
"""),
])
assert module.from_bytearray(True, False) == 0x41BC9A
assert module.from_bytearray(True, True) == 0x41BC9A
assert module.from_bytearray(False, False) == 0x9ABC41
assert module.from_bytearray(False, True) == -0x6543BF
def test_asbytearray(self):
module = self.import_extension('foo', [
("as_bytearray", "METH_VARARGS",
"""
PyObject *result;
PyLongObject *o;
int n, little_endian, is_signed;
unsigned char *bytes;
if (!PyArg_ParseTuple(args, "O!iii", &PyLong_Type, &o, &n,
&little_endian, &is_signed))
return NULL;
bytes = malloc(n);
if (_PyLong_AsByteArray(o, bytes, (size_t)n,
little_endian, is_signed) != 0)
{
free(bytes);
return NULL;
}
result = PyBytes_FromStringAndSize((const char *)bytes, n);
free(bytes);
return result;
"""),
])
s = module.as_bytearray(0x41BC9A, 4, True, False)
assert s == b"\x9A\xBC\x41\x00"
s = module.as_bytearray(0x41BC9A, 4, False, False)
assert s == b"\x00\x41\xBC\x9A"
s = module.as_bytearray(0x41BC9A, 3, True, False)
assert s == b"\x9A\xBC\x41"
s = module.as_bytearray(0x41BC9A, 3, True, True)
assert s == b"\x9A\xBC\x41"
s = module.as_bytearray(0x9876, 2, True, False)
assert s == b"\x76\x98"
s = module.as_bytearray(0x9876 - 0x10000, 2, True, True)
assert s == b"\x76\x98"
raises(OverflowError, module.as_bytearray,
0x9876, 2, False, True)
raises(OverflowError, module.as_bytearray,
-1, 2, True, False)
raises(OverflowError, module.as_bytearray,
0x1234567, 3, True, False)
def test_fromunicode(self):
module = self.import_extension('foo', [
("from_unicode", "METH_O",
"""
Py_UNICODE* u = PyUnicode_AsUnicode(args);
return Py_BuildValue("NN",
PyLong_FromUnicode(u, 6, 10),
PyLong_FromUnicode(u, 6, 16));
"""),
])
# A string with arabic digits. 'BAD' is after the 6th character.
assert module.from_unicode(u' 1\u0662\u0663\u0664BAD') == (1234, 4660)
def test_fromunicodeobject(self):
module = self.import_extension('foo', [
("from_unicodeobject", "METH_O",
"""
return Py_BuildValue("NN",
PyLong_FromUnicodeObject(args, 10),
PyLong_FromUnicodeObject(args, 16));
"""),
])
# A string with arabic digits.
assert (module.from_unicodeobject(u' 1\u0662\u0663\u0664')
== (1234, 4660))
def test_aslong(self):
module = self.import_extension('foo', [
("as_long", "METH_O",
"""
long n = PyLong_AsLong(args);
if (n == -1 && PyErr_Occurred()) {
return NULL;
}
return PyLong_FromLong(n);
""")])
assert module.as_long(123) == 123
assert module.as_long(-1) == -1
assert module.as_long(1.23) == 1
def test_strtol(self):
module = self.import_extension('foo', [
("from_str", "METH_NOARGS",
"""
const char *str =" 400";
char * end;
if (400 != PyOS_strtoul(str, &end, 10))
return PyLong_FromLong(1);
if (str + strlen(str) != end)
return PyLong_FromLong(2);
if (400 != PyOS_strtol(str, &end, 10))
return PyLong_FromLong(3);
if (str + strlen(str) != end)
return PyLong_FromLong(4);
return PyLong_FromLong(0);
""")])
assert module.from_str() == 0
def test_slots(self):
module = self.import_extension('foo', [
("has_sub", "METH_NOARGS",
"""
PyObject *ret, *obj = PyLong_FromLong(42);
if (obj->ob_type != &PyLong_Type)
ret = PyLong_FromLong(-2);
else
{
if (obj->ob_type->tp_as_number->nb_subtract)
ret = obj->ob_type->tp_as_number->nb_subtract(obj, obj);
else
ret = PyLong_FromLong(-1);
}
Py_DECREF(obj);
return ret;
"""),
("has_pow", "METH_NOARGS",
"""
PyObject *ret, *obj = PyLong_FromLong(42);
PyObject *one = PyLong_FromLong(1);
if (obj->ob_type->tp_as_number->nb_power)
ret = obj->ob_type->tp_as_number->nb_power(obj, one, one);
else
ret = PyLong_FromLong(-1);
Py_DECREF(one);
Py_DECREF(obj);
return ret;
""")])
assert module.has_sub() == 0
assert module.has_pow() == 0
|
