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gh-71339: Use assertIsSubclass() and assertNotIsSubclass() in test_decimal (GH-128827)

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Serhiy Storchaka 2025-01-20 11:20:49 +02:00 • committed by GitHub
parent 36aaf4137d
commit 485d2e831e
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1 changed files with 26 additions and 26 deletions
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52
Lib/test/test_decimal.py
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@ -752,7 +752,7 @@ def test_explicit_context_create_decimal(self):
for v in [-2**63-1, -2**63, -2**31-1, -2**31, 0,
2**31-1, 2**31, 2**63-1, 2**63]:
d = nc.create_decimal(v)
self.assertTrue(isinstance(d, Decimal))
self.assertIsInstance(d, Decimal)
self.assertEqual(int(d), v)
nc.prec = 3
@ -2590,8 +2590,8 @@ class PythonAPItests:
def test_abc(self):
Decimal = self.decimal.Decimal
self.assertTrue(issubclass(Decimal, numbers.Number))
self.assertFalse(issubclass(Decimal, numbers.Real))
self.assertIsSubclass(Decimal, numbers.Number)
self.assertNotIsSubclass(Decimal, numbers.Real)
self.assertIsInstance(Decimal(0), numbers.Number)
self.assertNotIsInstance(Decimal(0), numbers.Real)
@ -2690,7 +2690,7 @@ class MyDecimal(Decimal):
def __init__(self, _):
self.x = 'y'
self.assertTrue(issubclass(MyDecimal, Decimal))
self.assertIsSubclass(MyDecimal, Decimal)
r = MyDecimal.from_float(0.1)
self.assertEqual(type(r), MyDecimal)
@ -2908,31 +2908,31 @@ def test_exception_hierarchy(self):
Rounded = decimal.Rounded
Clamped = decimal.Clamped
self.assertTrue(issubclass(DecimalException, ArithmeticError))
self.assertIsSubclass(DecimalException, ArithmeticError)
self.assertTrue(issubclass(InvalidOperation, DecimalException))
self.assertTrue(issubclass(FloatOperation, DecimalException))
self.assertTrue(issubclass(FloatOperation, TypeError))
self.assertTrue(issubclass(DivisionByZero, DecimalException))
self.assertTrue(issubclass(DivisionByZero, ZeroDivisionError))
self.assertTrue(issubclass(Overflow, Rounded))
self.assertTrue(issubclass(Overflow, Inexact))
self.assertTrue(issubclass(Overflow, DecimalException))
self.assertTrue(issubclass(Underflow, Inexact))
self.assertTrue(issubclass(Underflow, Rounded))
self.assertTrue(issubclass(Underflow, Subnormal))
self.assertTrue(issubclass(Underflow, DecimalException))
self.assertIsSubclass(InvalidOperation, DecimalException)
self.assertIsSubclass(FloatOperation, DecimalException)
self.assertIsSubclass(FloatOperation, TypeError)
self.assertIsSubclass(DivisionByZero, DecimalException)
self.assertIsSubclass(DivisionByZero, ZeroDivisionError)
self.assertIsSubclass(Overflow, Rounded)
self.assertIsSubclass(Overflow, Inexact)
self.assertIsSubclass(Overflow, DecimalException)
self.assertIsSubclass(Underflow, Inexact)
self.assertIsSubclass(Underflow, Rounded)
self.assertIsSubclass(Underflow, Subnormal)
self.assertIsSubclass(Underflow, DecimalException)
self.assertTrue(issubclass(Subnormal, DecimalException))
self.assertTrue(issubclass(Inexact, DecimalException))
self.assertTrue(issubclass(Rounded, DecimalException))
self.assertTrue(issubclass(Clamped, DecimalException))
self.assertIsSubclass(Subnormal, DecimalException)
self.assertIsSubclass(Inexact, DecimalException)
self.assertIsSubclass(Rounded, DecimalException)
self.assertIsSubclass(Clamped, DecimalException)
self.assertTrue(issubclass(decimal.ConversionSyntax, InvalidOperation))
self.assertTrue(issubclass(decimal.DivisionImpossible, InvalidOperation))
self.assertTrue(issubclass(decimal.DivisionUndefined, InvalidOperation))
self.assertTrue(issubclass(decimal.DivisionUndefined, ZeroDivisionError))
self.assertTrue(issubclass(decimal.InvalidContext, InvalidOperation))
self.assertIsSubclass(decimal.ConversionSyntax, InvalidOperation)
self.assertIsSubclass(decimal.DivisionImpossible, InvalidOperation)
self.assertIsSubclass(decimal.DivisionUndefined, InvalidOperation)
self.assertIsSubclass(decimal.DivisionUndefined, ZeroDivisionError)
self.assertIsSubclass(decimal.InvalidContext, InvalidOperation)
@requires_cdecimal
class CPythonAPItests(PythonAPItests, unittest.TestCase):