From: Victor Stinner <vstinner@python.org>
Date: Thu, 21 Sep 2023 19:45:18 +0000 (+0200)
Subject: [3.11] gh-109546: Add more tests for formatting floats (GH-109548) (#109685)
X-Git-Tag: v3.11.6~67
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=84d8fdb2661220ee6af8f23637363bed38a90ba7;p=thirdparty%2FPython%2Fcpython.git

[3.11] gh-109546: Add more tests for formatting floats (GH-109548) (#109685)

gh-109546: Add more tests for formatting floats (GH-109548)

(cherry picked from commit beb5ec5817b645562ebbdd59f25683a93061c32c)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
---

diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index 304388e1f78c..c6af0b92a73a 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -734,8 +734,13 @@ class FormatTestCase(unittest.TestCase):
 
                 lhs, rhs = map(str.strip, line.split('->'))
                 fmt, arg = lhs.split()
-                self.assertEqual(fmt % float(arg), rhs)
-                self.assertEqual(fmt % -float(arg), '-' + rhs)
+                f = float(arg)
+                self.assertEqual(fmt % f, rhs)
+                self.assertEqual(fmt % -f, '-' + rhs)
+                if fmt != '%r':
+                    fmt2 = fmt[1:]
+                    self.assertEqual(format(f, fmt2), rhs)
+                    self.assertEqual(format(-f, fmt2), '-' + rhs)
 
     def test_issue5864(self):
         self.assertEqual(format(123.456, '.4'), '123.5')