X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb-python/blobdiff_plain/8854283a73ebad561270b3f138887ab2a90f41b5..19425639b5e7ffaeba6400cc0c76185f8aea0b26:/t/t-algorithms.py

diff --git a/t/t-algorithms.py b/t/t-algorithms.py
index fc6bff2..d7b97cb 100644
--- a/t/t-algorithms.py
+++ b/t/t-algorithms.py
@@ -742,6 +742,13 @@ class TestKeccak (HashBufferTestMixin):
     st1.mix(m0).step()
     me.assertNotEqual(st0.extract(32), st1.extract(32))
 
+    ## Check state copying.
+    st1 = st0.copy()
+    mask = st1.extract(len(m1))
+    st0.mix(m1)
+    st1.mix(m1)
+    me.assertEqual(st0.extract(32), st1.extract(32))
+
     ## Check error conditions.
     _ = st0.extract(200)
     me.assertRaises(ValueError, st0.extract, 201)
@@ -781,7 +788,7 @@ class TestKeccak (HashBufferTestMixin):
 
     ## Check masking.
     x = xcls().hash(m).xof()
-    me.assertEqual(x.mask(m), C.ByteString(m) ^ C.ByteString(h[0:len(m)]))
+    me.assertEqual(x.mask(m), m ^ h[0:len(m)])
 
     ## Check the `check' method.
     me.assertTrue(xcls().hash(m).check(h0))