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bpo-46852: Restore test_getformat() test (GH-31601)

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Victor Stinner 2022-02-27 01:12:33 +01:00 • committed by GitHub
parent ad56919c5e
commit 5a1c637ec6
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1 changed files with 11 additions and 3 deletions
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14
Lib/test/test_float.py
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@ -16,9 +16,6 @@ from math import isinf, isnan, copysign, ldexp
INF = float("inf")
NAN = float("nan")
have_getformat = hasattr(float, "__getformat__")
requires_getformat = unittest.skipUnless(have_getformat,
"requires __getformat__")
#locate file with float format test values
test_dir = os.path.dirname(__file__) or os.curdir
@ -610,6 +607,17 @@ class GeneralFloatCases(unittest.TestCase):
self.assertEqual(hash(value), object.__hash__(value))
@unittest.skipUnless(hasattr(float, "__getformat__"), "requires __getformat__")
class FormatFunctionsTestCase(unittest.TestCase):
def test_getformat(self):
self.assertIn(float.__getformat__('double'),
['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
self.assertIn(float.__getformat__('float'),
['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
self.assertRaises(ValueError, float.__getformat__, 'chicken')
self.assertRaises(TypeError, float.__getformat__, 1)
BE_DOUBLE_INF = b'\x7f\xf0\x00\x00\x00\x00\x00\x00'
LE_DOUBLE_INF = bytes(reversed(BE_DOUBLE_INF))
BE_DOUBLE_NAN = b'\x7f\xf8\x00\x00\x00\x00\x00\x00'