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-rw-r--r--Lib/test/test_unicode.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index 21bb922..3ede057 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -779,6 +779,14 @@ class UnicodeTest(
return '\u1234'
self.assertEqual('%s' % Wrapper(), '\u1234')
+ # issue 3382
+ NAN = float('nan')
+ INF = float('inf')
+ self.assertEqual('%f' % NAN, 'nan')
+ self.assertEqual('%F' % NAN, 'NAN')
+ self.assertEqual('%f' % INF, 'inf')
+ self.assertEqual('%F' % INF, 'INF')
+
@support.run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
def test_format_float(self):
# should not format with a comma, but always with C locale