mirror of https://github.com/python/cpython
34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
|
import sys
|
||
|
|
import unittest
|
||
|
|
from test.support import import_helper
|
||
|
|
_testcapi = import_helper.import_module('_testcapi')
|
||
|
|
|
||
|
|
|
||
|
|
SIZEOF_PY_HASH_T = _testcapi.SIZEOF_VOID_P
|
||
|
|
|
||
|
|
|
||
|
|
class CAPITest(unittest.TestCase):
|
||
|
|
def test_hash_getfuncdef(self):
|
||
|
|
# Test PyHash_GetFuncDef()
|
||
|
|
hash_getfuncdef = _testcapi.hash_getfuncdef
|
||
|
|
func_def = hash_getfuncdef()
|
||
|
|
|
||
|
|
match func_def.name:
|
||
|
|
case "fnv":
|
||
|
|
self.assertEqual(func_def.hash_bits, 8 * SIZEOF_PY_HASH_T)
|
||
|
|
self.assertEqual(func_def.seed_bits, 16 * SIZEOF_PY_HASH_T)
|
||
|
|
case "siphash13":
|
||
|
|
self.assertEqual(func_def.hash_bits, 64)
|
||
|
|
self.assertEqual(func_def.seed_bits, 128)
|
||
|
|
case "siphash24":
|
||
|
|
self.assertEqual(func_def.hash_bits, 64)
|
||
|
|
self.assertEqual(func_def.seed_bits, 128)
|
||
|
|
case _:
|
||
|
|
self.fail(f"unknown function name: {func_def.name!r}")
|
||
|
|
|
||
|
|
# compare with sys.hash_info
|
||
|
|
hash_info = sys.hash_info
|
||
|
|
self.assertEqual(func_def.name, hash_info.algorithm)
|
||
|
|
self.assertEqual(func_def.hash_bits, hash_info.hash_bits)
|
||
|
|
self.assertEqual(func_def.seed_bits, hash_info.seed_bits)
|