From 243db20b75e6c127bb8bd2d42099ba16a5fc56e1 Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Mon, 30 Sep 2024 06:22:13 +0200 Subject: [PATCH] [3.13] gh-123811: test that round() can return signed zero (GH-123829) (#123938) gh-123811: test that round() can return signed zero (GH-123829) (cherry picked from commit d2b9b6f919e92184420c8e13d078e83447ce7917) Co-authored-by: Sergey B Kirpichev --- Lib/test/test_float.py | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py index ebe026eb910..65b9cb03e61 100644 --- a/Lib/test/test_float.py +++ b/Lib/test/test_float.py @@ -830,7 +830,7 @@ class ReprTestCase(unittest.TestCase): self.assertEqual(repr(float(negs)), str(float(negs))) @support.requires_IEEE_754 -class RoundTestCase(unittest.TestCase): +class RoundTestCase(unittest.TestCase, FloatsAreIdenticalMixin): def test_inf_nan(self): self.assertRaises(OverflowError, round, INF) @@ -860,10 +860,10 @@ class RoundTestCase(unittest.TestCase): def test_small_n(self): for n in [-308, -309, -400, 1-2**31, -2**31, -2**31-1, -2**100]: - self.assertEqual(round(123.456, n), 0.0) - self.assertEqual(round(-123.456, n), -0.0) - self.assertEqual(round(1e300, n), 0.0) - self.assertEqual(round(1e-320, n), 0.0) + self.assertFloatsAreIdentical(round(123.456, n), 0.0) + self.assertFloatsAreIdentical(round(-123.456, n), -0.0) + self.assertFloatsAreIdentical(round(1e300, n), 0.0) + self.assertFloatsAreIdentical(round(1e-320, n), 0.0) def test_overflow(self): self.assertRaises(OverflowError, round, 1.6e308, -308)