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-rw-r--r--Lib/test/test_float.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index 8ac936a93a..ebb666b6d9 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -417,6 +417,10 @@ class RoundTestCase(unittest.TestCase):
self.assertRaises(OverflowError, round, INF)
self.assertRaises(OverflowError, round, -INF)
self.assertRaises(ValueError, round, NAN)
+ self.assertRaises(TypeError, round, INF, 0.0)
+ self.assertRaises(TypeError, round, -INF, 1.0)
+ self.assertRaises(TypeError, round, NAN, "ceci n'est pas un integer")
+ self.assertRaises(TypeError, round, -0.0, 1j)
@unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
"test requires IEEE 754 doubles")