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gh-121039: add Floats/ComplexesAreIdenticalMixin to test.support.testcase (GH-121071)

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Sergey B Kirpichev 2024-09-08 16:01:54 +03:00 • committed by GitHub
parent beee91cdcc
commit 8ef8354ef1
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6 changed files with 65 additions and 120 deletions
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27
Lib/test/test_capi/test_getargs.py
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@ -6,6 +6,7 @@ from test import support
from test.support import import_helper
from test.support import script_helper
from test.support import warnings_helper
from test.support.testcase import FloatsAreIdenticalMixin
# Skip this test if the _testcapi module isn't available.
_testcapi = import_helper.import_module('_testcapi')
from _testcapi import getargs_keywords, getargs_keyword_only
@ -436,11 +437,7 @@ class LongLong_TestCase(unittest.TestCase):
self.assertEqual(VERY_LARGE & ULLONG_MAX, getargs_K(VERY_LARGE))
class Float_TestCase(unittest.TestCase):
def assertEqualWithSign(self, actual, expected):
self.assertEqual(actual, expected)
self.assertEqual(math.copysign(1, actual), math.copysign(1, expected))
class Float_TestCase(unittest.TestCase, FloatsAreIdenticalMixin):
def test_f(self):
from _testcapi import getargs_f
self.assertEqual(getargs_f(4.25), 4.25)
@ -462,10 +459,10 @@ class Float_TestCase(unittest.TestCase):
self.assertEqual(getargs_f(DBL_MAX), INF)
self.assertEqual(getargs_f(-DBL_MAX), -INF)
if FLT_MIN > DBL_MIN:
self.assertEqualWithSign(getargs_f(DBL_MIN), 0.0)
self.assertEqualWithSign(getargs_f(-DBL_MIN), -0.0)
self.assertEqualWithSign(getargs_f(0.0), 0.0)
self.assertEqualWithSign(getargs_f(-0.0), -0.0)
self.assertFloatsAreIdentical(getargs_f(DBL_MIN), 0.0)
self.assertFloatsAreIdentical(getargs_f(-DBL_MIN), -0.0)
self.assertFloatsAreIdentical(getargs_f(0.0), 0.0)
self.assertFloatsAreIdentical(getargs_f(-0.0), -0.0)
r = getargs_f(NAN)
self.assertNotEqual(r, r)
@ -494,8 +491,8 @@ class Float_TestCase(unittest.TestCase):
self.assertEqual(getargs_d(x), x)
self.assertRaises(OverflowError, getargs_d, 1<<DBL_MAX_EXP)
self.assertRaises(OverflowError, getargs_d, -1<<DBL_MAX_EXP)
self.assertEqualWithSign(getargs_d(0.0), 0.0)
self.assertEqualWithSign(getargs_d(-0.0), -0.0)
self.assertFloatsAreIdentical(getargs_d(0.0), 0.0)
self.assertFloatsAreIdentical(getargs_d(-0.0), -0.0)
r = getargs_d(NAN)
self.assertNotEqual(r, r)
@ -519,10 +516,10 @@ class Float_TestCase(unittest.TestCase):
self.assertEqual(getargs_D(c), c)
c = complex(1.0, x)
self.assertEqual(getargs_D(c), c)
self.assertEqualWithSign(getargs_D(complex(0.0, 1.0)).real, 0.0)
self.assertEqualWithSign(getargs_D(complex(-0.0, 1.0)).real, -0.0)
self.assertEqualWithSign(getargs_D(complex(1.0, 0.0)).imag, 0.0)
self.assertEqualWithSign(getargs_D(complex(1.0, -0.0)).imag, -0.0)
self.assertFloatsAreIdentical(getargs_D(complex(0.0, 1.0)).real, 0.0)
self.assertFloatsAreIdentical(getargs_D(complex(-0.0, 1.0)).real, -0.0)
self.assertFloatsAreIdentical(getargs_D(complex(1.0, 0.0)).imag, 0.0)
self.assertFloatsAreIdentical(getargs_D(complex(1.0, -0.0)).imag, -0.0)
class Paradox: