[Python-checkins] bpo-44960: add regression test for geometric_mean with mixed int/floa… (#27856)

[iritkatriel]

https://github.com/python/cpython/commit/f5d7a8d29c49ad47254fa098abb7a510e5e7b45e
commit: f5d7a8d29c49ad47254fa098abb7a510e5e7b45e
branch: main
author: Irit Katriel <1055913+iritkatriel at users.noreply.github.com>
committer: iritkatriel <1055913+iritkatriel at users.noreply.github.com>
date: 2021-08-20T14:08:21+01:00
summary:

bpo-44960: add regression test for geometric_mean with mixed int/floa… (#27856)

Co-authored-by: Mark Dickinson <dickinsm at gmail.com>

files:
M Lib/test/test_statistics.py

diff --git a/Lib/test/test_statistics.py b/Lib/test/test_statistics.py
index a7cb027726965..dc066fa921d79 100644
--- a/Lib/test/test_statistics.py
+++ b/Lib/test/test_statistics.py
@@ -2263,6 +2263,22 @@ def test_special_values(self):
         with self.assertRaises(ValueError):
             geometric_mean([Inf, -Inf])
 
+    def test_mixed_int_and_float(self):
+        # Regression test for b.p.o. issue #28327
+        geometric_mean = statistics.geometric_mean
+        expected_mean = 3.80675409583932
+        values = [
+            [2, 3, 5, 7],
+            [2, 3, 5, 7.0],
+            [2, 3, 5.0, 7.0],
+            [2, 3.0, 5.0, 7.0],
+            [2.0, 3.0, 5.0, 7.0],
+        ]
+        for v in values:
+            with self.subTest(v=v):
+                actual_mean = geometric_mean(v)
+                self.assertAlmostEqual(actual_mean, expected_mean, places=5)
+
 
 class TestQuantiles(unittest.TestCase):