test llist hashability

Technologicat · Technologicat · commit ec92fe6df18a · 2018-09-14T11:35:12.000+03:00
diff --git a/unpythonic/llist.py b/unpythonic/llist.py
@@ -323,6 +323,15 @@ def test():
     l3 = cons(6, cdr(l1))
     assert l3 == ll(6, 2, 1)
 
+    # test hashability
+    s = set()
+    s.add(cons(1, 2))
+    s.add(ll(1, 2, 3))
+    assert cons(1, 2) in s
+    assert ll(1, 2, 3) in s
+    assert cons(3, 4) not in s
+    assert ll(1, 2) not in s
+
     print("All tests PASSED")
 
 if __name__ == '__main__':
