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bpo-42222: Improve tests for invalid argument types in randrange() (GH-29021)

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Serhiy Storchaka 2021-10-19 21:40:30 +03:00 • committed by GitHub
parent fdbdf3f735
commit 574241632b
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1 changed files with 11 additions and 20 deletions
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31
Lib/test/test_random.py
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@ -491,8 +491,10 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
# Zero step
raises_value_error(0, 42, 0)
raises_type_error(0, 42, 0.0)
raises_type_error(0, 0, 0.0)
# Non-integer start/stop/step
# Non-integer stop
raises_type_error(3.14159)
raises_type_error(3.0)
raises_type_error(Fraction(3, 1))
@ -501,10 +503,16 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
raises_type_error(0, 2.0)
raises_type_error(0, Fraction(2, 1))
raises_type_error(0, '2')
raises_type_error(0, 2.71827, 2)
# Non-integer start
raises_type_error(2.71827, 5)
raises_type_error(2.0, 5)
raises_type_error(Fraction(2, 1), 5)
raises_type_error('2', 5)
raises_type_error(2.71827, 5, 2)
# Non-integer step
raises_type_error(0, 42, 1.0)
raises_type_error(0, 0, 1.0)
raises_type_error(0, 42, 3.14159)
raises_type_error(0, 42, 3.0)
raises_type_error(0, 42, Fraction(3, 1))
@ -512,23 +520,6 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
raises_type_error(0, 42, 1.0)
raises_type_error(0, 0, 1.0)
def test_randrange_argument_handling(self):
randrange = self.gen.randrange
with self.assertRaises(TypeError):
randrange(10.0, 20, 2)
with self.assertRaises(TypeError):
randrange(10, 20.0, 2)
with self.assertRaises(TypeError):
randrange(10, 20, 1.0)
with self.assertRaises(TypeError):
randrange(10, 20, 2.0)
with self.assertRaises(TypeError):
randrange(10.5)
with self.assertRaises(TypeError):
randrange(10, 20.5)
with self.assertRaises(TypeError):
randrange(10, 20, 1.5)
def test_randrange_step(self):
# bpo-42772: When stop is None, the step argument was being ignored.
randrange = self.gen.randrange