.

wcfs/wcfs_test.py

@@ -1281,11 +1281,22 @@ def test_wcfs():
 
     #wl3_.watch(zf, "-")    XXX enable
     wl2.close() # wl2 should not be notified because it was closed
-    f.assertBlk(0, '',   {wl3: {},          wl3_: {}})  # no change
+    def w_assertPin(pinw3):
+        assert w3.pinned   == pinw3
+        assert w3_.pinned  == {}        # wl3_ unsubscribed from zf
+        assert w2.pinned   == {}        # wl2 closed
+
+    f.assertBlk(0, '',   {wl3: {},              wl3_: {}})  # no change
+    w_assertPin(               {2:at3, 5:at0})
+
     f.assertBlk(1, '',   {wl3: {},          wl3_: {}})
+
     f.assertBlk(2, '5c', {wl3: {},          wl3_: {}})  # blk2 already pinned on wl3
+
     f.assertBlk(3, '5d', {wl3: {3: at2},    wl3_: {}})  # wl3_ not notified
+
     f.assertBlk(4, '',   {wl3: {},          wl3_: {}})
+
     f.assertBlk(5, '4f', {wl3: {},          wl3_: {}})