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-rw-r--r--Lib/test/test_decimal.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index 7dd287e..ae36893 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -5372,6 +5372,19 @@ class CWhitebox(unittest.TestCase):
x = (1, (0, 1), "N")
self.assertEqual(str(Decimal(x)), '-sNaN1')
+ def test_sizeof(self):
+ Decimal = C.Decimal
+ HAVE_CONFIG_64 = (C.MAX_PREC > 425000000)
+
+ self.assertGreater(Decimal(0).__sizeof__(), 0)
+ if HAVE_CONFIG_64:
+ x = Decimal(10**(19*24)).__sizeof__()
+ y = Decimal(10**(19*25)).__sizeof__()
+ self.assertEqual(y, x+8)
+ else:
+ x = Decimal(10**(9*24)).__sizeof__()
+ y = Decimal(10**(9*25)).__sizeof__()
+ self.assertEqual(y, x+4)
all_tests = [
CExplicitConstructionTest, PyExplicitConstructionTest,