Tests for reverse operators

CPython calls nb_and with swapped arguments
for reverse operators.

This tests checks if the reverse operator
raises NotImplementedError instead of TypeError
when there isn't a valid reverse operator.

Raising TypeError would cause the operator to fail.

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/samplebinding/filter_test.py b/tests/samplebinding/filter_test.py
new file mode 100644
index 000000000..54da810cc
--- /dev/null
+++ b/tests/samplebinding/filter_test.py
@@ -0,0 +1,18 @@
+
+import unittest
+
+from sample import Data, Intersection, Union
+
+class TestFilters(unittest.TestCase):
+
+    def testAnd(self):
+
+        f1 = Data(Data.Name, "joe")
+        f2 = Union()
+
+        inter = f1 & f2
+
+        self.assertEqual(type(inter), Intersection)
+
+if __name__ == '__main__':
+    unittest.main()