diff --git a/Lib/test/test_binop.py b/Lib/test/test_binop.py
index fc7ed94..2ca84f4 100644
--- a/Lib/test/test_binop.py
+++ b/Lib/test/test_binop.py
@@ -335,6 +335,7 @@
 self.assertEqual(2 / Rat(5), Rat(2, 5))
 self.assertEqual(3.0 * Rat(1, 2), 1.5)
 self.assertEqual(Rat(1, 2) * 3.0, 1.5)
+self.assertEqual(eval('1/2'), 0.5)
 """
 
 test_support.run_unittest(RatTestCase)