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bpo-37319: Improve documentation, code and tests of randrange. (GH-19112)

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Serhiy Storchaka 2021-01-25 23:02:04 +02:00 • committed by GitHub
parent eb9983c59b
commit f066bd94b9
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5 changed files with 48 additions and 34 deletions
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19
Lib/test/test_random.py
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@ -509,11 +509,24 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
raises(-721)
raises(0, 100, -12)
# Non-integer start/stop
raises(3.14159)
raises(0, 2.71828)
self.assertWarns(DeprecationWarning, raises, 3.14159)
self.assertWarns(DeprecationWarning, self.gen.randrange, 3.0)
self.assertWarns(DeprecationWarning, self.gen.randrange, Fraction(3, 1))
self.assertWarns(DeprecationWarning, raises, '3')
self.assertWarns(DeprecationWarning, raises, 0, 2.71828)
self.assertWarns(DeprecationWarning, self.gen.randrange, 0, 2.0)
self.assertWarns(DeprecationWarning, self.gen.randrange, 0, Fraction(2, 1))
self.assertWarns(DeprecationWarning, raises, 0, '2')
# Zero and non-integer step
raises(0, 42, 0)
raises(0, 42, 3.14159)
self.assertWarns(DeprecationWarning, raises, 0, 42, 0.0)
self.assertWarns(DeprecationWarning, raises, 0, 0, 0.0)
self.assertWarns(DeprecationWarning, raises, 0, 42, 3.14159)
self.assertWarns(DeprecationWarning, self.gen.randrange, 0, 42, 3.0)
self.assertWarns(DeprecationWarning, self.gen.randrange, 0, 42, Fraction(3, 1))
self.assertWarns(DeprecationWarning, raises, 0, 42, '3')
self.assertWarns(DeprecationWarning, self.gen.randrange, 0, 42, 1.0)
self.assertWarns(DeprecationWarning, raises, 0, 0, 1.0)
def test_randrange_argument_handling(self):
randrange = self.gen.randrange