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-rw-r--r--Lib/test/test_complex.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_complex.py b/Lib/test/test_complex.py
index cecf38f..1564e89 100644
--- a/Lib/test/test_complex.py
+++ b/Lib/test/test_complex.py
@@ -506,6 +506,16 @@ class ComplexTest(unittest.TestCase):
self.assertEqual(format(z, '-'), str(z))
self.assertEqual(format(z, '<'), str(z))
self.assertEqual(format(z, '10'), str(z))
+ z = complex(0.0, 3.0)
+ self.assertEqual(format(z, ''), str(z))
+ self.assertEqual(format(z, '-'), str(z))
+ self.assertEqual(format(z, '<'), str(z))
+ self.assertEqual(format(z, '2'), str(z))
+ z = complex(-0.0, 2.0)
+ self.assertEqual(format(z, ''), str(z))
+ self.assertEqual(format(z, '-'), str(z))
+ self.assertEqual(format(z, '<'), str(z))
+ self.assertEqual(format(z, '3'), str(z))
self.assertEqual(format(1+3j, 'g'), '1+3j')
self.assertEqual(format(3j, 'g'), '0+3j')