From: Manoj K M <manojkmdev24@gmail.com>
Date: Mon, 27 Apr 2026 07:22:20 +0000 (+0530)
Subject: gh-148868: Increase test coverage for `cmath.isinf` (#148869)
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=62792c8f77222b86f8d2d985fc3a2b9fffc679e8;p=thirdparty%2FPython%2Fcpython.git

gh-148868: Increase test coverage for `cmath.isinf` (#148869)
---

diff --git a/Lib/test/test_cmath.py b/Lib/test/test_cmath.py
index 389a3fa0e0a1..a986fd6b892b 100644
--- a/Lib/test/test_cmath.py
+++ b/Lib/test/test_cmath.py
@@ -516,6 +516,7 @@ class CMathTests(ComplexesAreIdenticalMixin, unittest.TestCase):
         self.assertFalse(cmath.isinf(1j))
         self.assertFalse(cmath.isinf(NAN))
         self.assertTrue(cmath.isinf(INF))
+        self.assertTrue(cmath.isinf(-INF))
         self.assertTrue(cmath.isinf(complex(INF, 0)))
         self.assertTrue(cmath.isinf(complex(0, INF)))
         self.assertTrue(cmath.isinf(complex(INF, INF)))