Decimal.sqrt(0) failed when the context was not
explicitly supplied.
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index 34fc34a..efaa174 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -1192,6 +1192,12 @@
d = d1.max(d2)
self.assertTrue(type(d) is Decimal)
+ def test_implicit_context(self):
+ # Check results when context given implicitly. (Issue 2478)
+ c = getcontext()
+ self.assertEqual(str(Decimal(0).sqrt()),
+ str(c.sqrt(Decimal(0))))
+
class DecimalPythonAPItests(unittest.TestCase):