Sindbad~EG File Manager
import unittest
import sys
from test.support import import_helper
# Skip this test if the _testcapi module isn't available.
_testcapi = import_helper.import_module('_testcapi')
NULL = None
class IntSubclass(int):
pass
class Index:
def __init__(self, value):
self.value = value
def __index__(self):
return self.value
# use __index__(), not __int__()
class MyIndexAndInt:
def __index__(self):
return 10
def __int__(self):
return 22
class LongTests(unittest.TestCase):
def test_compact(self):
for n in {
# Edge cases
*(2**n for n in range(66)),
*(-2**n for n in range(66)),
*(2**n - 1 for n in range(66)),
*(-2**n + 1 for n in range(66)),
# Essentially random
*(37**n for n in range(14)),
*(-37**n for n in range(14)),
}:
with self.subTest(n=n):
is_compact, value = _testcapi.call_long_compact_api(n)
if is_compact:
self.assertEqual(n, value)
def test_compact_known(self):
# Sanity-check some implementation details (we don't guarantee
# that these are/aren't compact)
self.assertEqual(_testcapi.call_long_compact_api(-1), (True, -1))
self.assertEqual(_testcapi.call_long_compact_api(0), (True, 0))
self.assertEqual(_testcapi.call_long_compact_api(256), (True, 256))
self.assertEqual(_testcapi.call_long_compact_api(sys.maxsize),
(False, -1))
def test_long_check(self):
# Test PyLong_Check()
check = _testcapi.pylong_check
self.assertTrue(check(1))
self.assertTrue(check(123456789012345678901234567890))
self.assertTrue(check(-1))
self.assertTrue(check(True))
self.assertTrue(check(IntSubclass(1)))
self.assertFalse(check(1.0))
self.assertFalse(check(object()))
# CRASHES check(NULL)
def test_long_checkexact(self):
# Test PyLong_CheckExact()
check = _testcapi.pylong_checkexact
self.assertTrue(check(1))
self.assertTrue(check(123456789012345678901234567890))
self.assertTrue(check(-1))
self.assertFalse(check(True))
self.assertFalse(check(IntSubclass(1)))
self.assertFalse(check(1.0))
self.assertFalse(check(object()))
# CRASHES check(NULL)
def test_long_fromdouble(self):
# Test PyLong_FromDouble()
fromdouble = _testcapi.pylong_fromdouble
float_max = sys.float_info.max
for value in (5.0, 5.1, 5.9, -5.1, -5.9, 0.0, -0.0, float_max, -float_max):
with self.subTest(value=value):
self.assertEqual(fromdouble(value), int(value))
self.assertRaises(OverflowError, fromdouble, float('inf'))
self.assertRaises(OverflowError, fromdouble, float('-inf'))
self.assertRaises(ValueError, fromdouble, float('nan'))
def test_long_fromvoidptr(self):
# Test PyLong_FromVoidPtr()
fromvoidptr = _testcapi.pylong_fromvoidptr
obj = object()
x = fromvoidptr(obj)
y = fromvoidptr(NULL)
self.assertIsInstance(x, int)
self.assertGreaterEqual(x, 0)
self.assertIsInstance(y, int)
self.assertEqual(y, 0)
self.assertNotEqual(x, y)
def test_long_fromstring(self):
# Test PyLong_FromString()
fromstring = _testcapi.pylong_fromstring
self.assertEqual(fromstring(b'123', 10), (123, 3))
self.assertEqual(fromstring(b'cafe', 16), (0xcafe, 4))
self.assertEqual(fromstring(b'xyz', 36), (44027, 3))
self.assertEqual(fromstring(b'123', 0), (123, 3))
self.assertEqual(fromstring(b'0xcafe', 0), (0xcafe, 6))
self.assertRaises(ValueError, fromstring, b'cafe', 0)
self.assertEqual(fromstring(b'-123', 10), (-123, 4))
self.assertEqual(fromstring(b' -123 ', 10), (-123, 6))
self.assertEqual(fromstring(b'1_23', 10), (123, 4))
self.assertRaises(ValueError, fromstring, b'- 123', 10)
self.assertRaises(ValueError, fromstring, b'', 10)
self.assertRaises(ValueError, fromstring, b'123', 1)
self.assertRaises(ValueError, fromstring, b'123', -1)
self.assertRaises(ValueError, fromstring, b'123', 37)
self.assertRaises(ValueError, fromstring, '١٢٣٤٥٦٧٨٩٠'.encode(), 0)
self.assertRaises(ValueError, fromstring, '١٢٣٤٥٦٧٨٩٠'.encode(), 16)
self.assertEqual(fromstring(b'123\x00', 0), (123, 3))
self.assertEqual(fromstring(b'123\x00456', 0), (123, 3))
self.assertEqual(fromstring(b'123\x00', 16), (0x123, 3))
self.assertEqual(fromstring(b'123\x00456', 16), (0x123, 3))
# CRASHES fromstring(NULL, 0)
# CRASHES fromstring(NULL, 16)
def test_long_fromunicodeobject(self):
# Test PyLong_FromUnicodeObject()
fromunicodeobject = _testcapi.pylong_fromunicodeobject
self.assertEqual(fromunicodeobject('123', 10), 123)
self.assertEqual(fromunicodeobject('cafe', 16), 0xcafe)
self.assertEqual(fromunicodeobject('xyz', 36), 44027)
self.assertEqual(fromunicodeobject('123', 0), 123)
self.assertEqual(fromunicodeobject('0xcafe', 0), 0xcafe)
self.assertRaises(ValueError, fromunicodeobject, 'cafe', 0)
self.assertEqual(fromunicodeobject('-123', 10), -123)
self.assertEqual(fromunicodeobject(' -123 ', 10), -123)
self.assertEqual(fromunicodeobject('1_23', 10), 123)
self.assertRaises(ValueError, fromunicodeobject, '- 123', 10)
self.assertRaises(ValueError, fromunicodeobject, '', 10)
self.assertRaises(ValueError, fromunicodeobject, '123', 1)
self.assertRaises(ValueError, fromunicodeobject, '123', -1)
self.assertRaises(ValueError, fromunicodeobject, '123', 37)
self.assertEqual(fromunicodeobject('١٢٣٤٥٦٧٨٩٠', 0), 1234567890)
self.assertEqual(fromunicodeobject('١٢٣٤٥٦٧٨٩٠', 16), 0x1234567890)
self.assertRaises(ValueError, fromunicodeobject, '123\x00', 0)
self.assertRaises(ValueError, fromunicodeobject, '123\x00456', 0)
self.assertRaises(ValueError, fromunicodeobject, '123\x00', 16)
self.assertRaises(ValueError, fromunicodeobject, '123\x00456', 16)
# CRASHES fromunicodeobject(NULL, 0)
# CRASHES fromunicodeobject(NULL, 16)
def check_long_asint(self, func, min_val, max_val, *,
use_index=True,
mask=False,
negative_value_error=OverflowError):
# round trip (object -> C integer -> object)
values = (0, 1, 1234, max_val)
if min_val < 0:
values += (-1, min_val)
for value in values:
with self.subTest(value=value):
self.assertEqual(func(value), value)
self.assertEqual(func(IntSubclass(value)), value)
if use_index:
self.assertEqual(func(Index(value)), value)
if use_index:
self.assertEqual(func(MyIndexAndInt()), 10)
else:
self.assertRaises(TypeError, func, Index(42))
self.assertRaises(TypeError, func, MyIndexAndInt())
if mask:
self.assertEqual(func(min_val - 1), max_val)
self.assertEqual(func(max_val + 1), min_val)
self.assertEqual(func(-1 << 1000), 0)
self.assertEqual(func(1 << 1000), 0)
else:
self.assertRaises(negative_value_error, func, min_val - 1)
self.assertRaises(negative_value_error, func, -1 << 1000)
self.assertRaises(OverflowError, func, max_val + 1)
self.assertRaises(OverflowError, func, 1 << 1000)
self.assertRaises(TypeError, func, 1.0)
self.assertRaises(TypeError, func, b'2')
self.assertRaises(TypeError, func, '3')
self.assertRaises(SystemError, func, NULL)
def check_long_asintandoverflow(self, func, min_val, max_val):
# round trip (object -> C integer -> object)
for value in (min_val, max_val, -1, 0, 1, 1234):
with self.subTest(value=value):
self.assertEqual(func(value), (value, 0))
self.assertEqual(func(IntSubclass(value)), (value, 0))
self.assertEqual(func(Index(value)), (value, 0))
self.assertEqual(func(MyIndexAndInt()), (10, 0))
self.assertEqual(func(min_val - 1), (-1, -1))
self.assertEqual(func(max_val + 1), (-1, +1))
# CRASHES func(1.0)
# CRASHES func(NULL)
def test_long_aslong(self):
# Test PyLong_AsLong() and PyLong_FromLong()
aslong = _testcapi.pylong_aslong
from _testcapi import LONG_MIN, LONG_MAX
self.check_long_asint(aslong, LONG_MIN, LONG_MAX)
def test_long_aslongandoverflow(self):
# Test PyLong_AsLongAndOverflow()
aslongandoverflow = _testcapi.pylong_aslongandoverflow
from _testcapi import LONG_MIN, LONG_MAX
self.check_long_asintandoverflow(aslongandoverflow, LONG_MIN, LONG_MAX)
def test_long_asunsignedlong(self):
# Test PyLong_AsUnsignedLong() and PyLong_FromUnsignedLong()
asunsignedlong = _testcapi.pylong_asunsignedlong
from _testcapi import ULONG_MAX
self.check_long_asint(asunsignedlong, 0, ULONG_MAX,
use_index=False)
def test_long_asunsignedlongmask(self):
# Test PyLong_AsUnsignedLongMask()
asunsignedlongmask = _testcapi.pylong_asunsignedlongmask
from _testcapi import ULONG_MAX
self.check_long_asint(asunsignedlongmask, 0, ULONG_MAX, mask=True)
def test_long_aslonglong(self):
# Test PyLong_AsLongLong() and PyLong_FromLongLong()
aslonglong = _testcapi.pylong_aslonglong
from _testcapi import LLONG_MIN, LLONG_MAX
self.check_long_asint(aslonglong, LLONG_MIN, LLONG_MAX)
def test_long_aslonglongandoverflow(self):
# Test PyLong_AsLongLongAndOverflow()
aslonglongandoverflow = _testcapi.pylong_aslonglongandoverflow
from _testcapi import LLONG_MIN, LLONG_MAX
self.check_long_asintandoverflow(aslonglongandoverflow, LLONG_MIN, LLONG_MAX)
def test_long_asunsignedlonglong(self):
# Test PyLong_AsUnsignedLongLong() and PyLong_FromUnsignedLongLong()
asunsignedlonglong = _testcapi.pylong_asunsignedlonglong
from _testcapi import ULLONG_MAX
self.check_long_asint(asunsignedlonglong, 0, ULLONG_MAX, use_index=False)
def test_long_asunsignedlonglongmask(self):
# Test PyLong_AsUnsignedLongLongMask()
asunsignedlonglongmask = _testcapi.pylong_asunsignedlonglongmask
from _testcapi import ULLONG_MAX
self.check_long_asint(asunsignedlonglongmask, 0, ULLONG_MAX, mask=True)
def test_long_as_ssize_t(self):
# Test PyLong_AsSsize_t() and PyLong_FromSsize_t()
as_ssize_t = _testcapi.pylong_as_ssize_t
from _testcapi import PY_SSIZE_T_MIN, PY_SSIZE_T_MAX
self.check_long_asint(as_ssize_t, PY_SSIZE_T_MIN, PY_SSIZE_T_MAX,
use_index=False)
def test_long_as_size_t(self):
# Test PyLong_AsSize_t() and PyLong_FromSize_t()
as_size_t = _testcapi.pylong_as_size_t
from _testcapi import SIZE_MAX
self.check_long_asint(as_size_t, 0, SIZE_MAX, use_index=False)
def test_long_asdouble(self):
# Test PyLong_AsDouble()
asdouble = _testcapi.pylong_asdouble
MAX = int(sys.float_info.max)
for value in (-MAX, MAX, -1, 0, 1, 1234):
with self.subTest(value=value):
self.assertEqual(asdouble(value), float(value))
self.assertIsInstance(asdouble(value), float)
self.assertEqual(asdouble(IntSubclass(42)), 42.0)
self.assertRaises(TypeError, asdouble, Index(42))
self.assertRaises(TypeError, asdouble, MyIndexAndInt())
self.assertRaises(OverflowError, asdouble, 2 * MAX)
self.assertRaises(OverflowError, asdouble, -2 * MAX)
self.assertRaises(TypeError, asdouble, 1.0)
self.assertRaises(TypeError, asdouble, b'2')
self.assertRaises(TypeError, asdouble, '3')
self.assertRaises(SystemError, asdouble, NULL)
def test_long_asvoidptr(self):
# Test PyLong_AsVoidPtr()
fromvoidptr = _testcapi.pylong_fromvoidptr
asvoidptr = _testcapi.pylong_asvoidptr
obj = object()
x = fromvoidptr(obj)
y = fromvoidptr(NULL)
self.assertIs(asvoidptr(x), obj)
self.assertIs(asvoidptr(y), NULL)
self.assertIs(asvoidptr(IntSubclass(x)), obj)
# negative values
M = (1 << _testcapi.SIZEOF_VOID_P * 8)
if x >= M//2:
self.assertIs(asvoidptr(x - M), obj)
if y >= M//2:
self.assertIs(asvoidptr(y - M), NULL)
self.assertRaises(TypeError, asvoidptr, Index(x))
self.assertRaises(TypeError, asvoidptr, object())
self.assertRaises(OverflowError, asvoidptr, 2**1000)
self.assertRaises(OverflowError, asvoidptr, -2**1000)
# CRASHES asvoidptr(NULL)
def test_long_aspid(self):
# Test PyLong_AsPid()
aspid = _testcapi.pylong_aspid
from _testcapi import SIZEOF_PID_T
bits = 8 * SIZEOF_PID_T
PID_T_MIN = -2**(bits-1)
PID_T_MAX = 2**(bits-1) - 1
self.check_long_asint(aspid, PID_T_MIN, PID_T_MAX)
if __name__ == "__main__":
unittest.main()
Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists