Fixes pyca#4242 -- added an additional assert to make this test more …

…resillient (pyca#4308)
alex · Jul 4, 2018 · e2a0493 · e2a0493
1 parent d2e51f9
commit e2a0493
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tests/hazmat/primitives/test_ec.py b/tests/hazmat/primitives/test_ec.py
@@ -1080,6 +1080,8 @@ def test_key_exchange_with_vectors(self, backend, vector):
         # At this point fail indicates that one of the underlying keys was
         # changed. This results in a non-matching derived key.
         if vector['fail']:
+            # Errno 8 indicates Z should be changed.
+            assert vector['errno'] == 8
             assert z != vector['Z']
         else:
             assert z == vector['Z']