8000 gh-121039: add Floats/ComplexesAreIdenticalMixin to test.support.testcase by skirpichev · Pull Request #121071 · python/cpython · GitHub
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gh-121039: add Floats/ComplexesAreIdenticalMixin to test.support.testcase #121071

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Merged
merged 7 commits into from
Sep 8, 2024
Merged

gh-121039: add Floats/ComplexesAreIdenticalMixin to test.support.testcase #121071

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d10eef8
gh-121039: add Floats/ComplexesAreIdenticalMixin to test.support.test…
skirpichev Jun 27, 2024
2a2f9af
Merge branch 'main' into num-areidentical-mixin-121039
skirpichev Jun 27, 2024
0a1901d
Merge branch 'main' into num-areidentical-mixin-121039
skirpichev Jun 28, 2024
b5644eb
Merge branch 'master' into num-areidentical-mixin-121039
skirpichev Jul 10, 2024
4fc14b7
+ adapt Lib/test/test_ctypes/test_numbers.py
skirpichev Jul 10, 2024
87d9850
Merge branch 'main' into num-areidentical-mixin-121039
serhiy-storchaka Sep 8, 2024
01036e6
address review: add mixin to test_getargs.py
skirpichev Sep 8, 2024
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+ adapt Lib/test/test_ctypes/test_numbers.py
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@skirpichev
skirpichev committed Jul 10, 2024
commit 4fc14b77bb75120a1f9bc28329b1f6b58fa5b280
31 changes: 2 additions & 29 deletions Lib/test/test_ctypes/test_numbers.py
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Expand Up @@ -4,12 +4,12 @@
import sys
import unittest
from itertools import combinations
from math import copysign, isnan
from operator import truth
from ctypes import (byref, sizeof, alignment,
c_char, c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint,
c_long, c_ulong, c_longlong, c_ulonglong,
c_float, c_double, c_longdouble, c_bool)
from test.support.testcase import ComplexesAreIdenticalMixin


def valid_ranges(*types):
Expand Down Expand Up @@ -62,34 +62,7 @@ def __complex__(self):
NAN = float("nan")


class NumberTestCase(unittest.TestCase):
# from Lib/test/test_complex.py
def assertFloatsAreIdentical(self, x, y):
"""assert that floats x and y are identical, in the sense that:
(1) both x and y are nans, or
(2) both x and y are infinities, with the same sign, or
(3) both x and y are zeros, with the same sign, or
(4) x and y are both finite and nonzero, and x == y

"""
msg = 'floats {!r} and {!r} are not identical'

if isnan(x) or isnan(y):
if isnan(x) and isnan(y):
return
elif x == y:
if x != 0.0:
return
# both zero; check that signs match
elif copysign(1.0, x) == copysign(1.0, y):
return
else:
msg += ': zeros have different signs'
self.fail(msg.format(x, y))

def assertComplexesAreIdentical(self, x, y):
self.assertFloatsAreIdentical(x.real, y.real)
self.assertFloatsAreIdentical(x.imag, y.imag)
class NumberTestCase(unittest.TestCase, ComplexesAreIdenticalMixin):

def test_default_init(self):
# default values are set to zero
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