mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-86388 Remove deprecated behaviors in randrange() (#92677)

Browse source
This commit is contained in:
Raymond Hettinger 2022-05-11 23:54:51 -05:00 • committed by GitHub
parent f67d71b431
commit 68fec31364
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 73 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

80
Lib/test/test_random.py
View file

@ -485,50 +485,44 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
self.assertEqual(rint, 0)
def test_randrange_errors(self):
raises = partial(self.assertRaises, ValueError, self.gen.randrange)
# Empty range
raises(3, 3)
raises(-721)
raises(0, 100, -12)
# Non-integer start/stop
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)
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)
raises_value_error = partial(self.assertRaises, ValueError, self.gen.randrange)
raises_type_error = partial(self.assertRaises, TypeError, self.gen.randrange)
def test_randrange_argument_handling(self):
randrange = self.gen.randrange
with self.assertWarns(DeprecationWarning):
randrange(10.0, 20, 2)
with self.assertWarns(DeprecationWarning):
randrange(10, 20.0, 2)
with self.assertWarns(DeprecationWarning):
randrange(10, 20, 1.0)
with self.assertWarns(DeprecationWarning):
randrange(10, 20, 2.0)
with self.assertWarns(DeprecationWarning):
with self.assertRaises(ValueError):
randrange(10.5)
with self.assertWarns(DeprecationWarning):
with self.assertRaises(ValueError):
randrange(10, 20.5)
with self.assertWarns(DeprecationWarning):
with self.assertRaises(ValueError):
randrange(10, 20, 1.5)
# Empty range
raises_value_error(3, 3)
raises_value_error(-721)
raises_value_error(0, 100, -12)
# Zero step
raises_value_error(0, 42, 0)
raises_type_error(0, 42, 0.0)
raises_type_error(0, 0, 0.0)
# Non-integer stop
raises_type_error(3.14159)
raises_type_error(3.0)
raises_type_error(Fraction(3, 1))
raises_type_error('3')
raises_type_error(0, 2.71827)
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, 3.14159)
raises_type_error(0, 42, 3.0)
raises_type_error(0, 42, Fraction(3, 1))
raises_type_error(0, 42, '3')
raises_type_error(0, 42, 1.0)
raises_type_error(0, 0, 1.0)
def test_randrange_step(self):
# bpo-42772: When stop is None, the step argument was being ignored.