.

wcfs/δbtail_test.go

@@ -883,6 +883,8 @@ func xverifyΔBTail_rebuild(t *testing.T, db *zodb.DB, treeRoot zodb.Oid, t0, t1
 			t.Run(fmt.Sprintf(" T%s;R", keys1), func(t *testing.T) {
 				δbtail := NewΔBtail(t0.at, db)
 
+				// FIXME do Update(t0->t1) only once + clone after it
+
 				// assert trackIdx=ø, trackNew=ø, vδB=[]
 				δbtail.assertTrack(t, "@at0", ø, ø)  // XXX + vδB
 				step1 := func() { // XXX will be not needed with clone
@@ -890,7 +892,7 @@ func xverifyΔBTail_rebuild(t *testing.T, db *zodb.DB, treeRoot zodb.Oid, t0, t1
 					// after Update(t0->t1):
 					/*trackIdx=*/ ø,
 
-					// after Track(keys)
+					// after Track(keys1)
 					keys1,
 					/*trackNew=*/ t1.xkv.trackIdx(keys1),
 
@@ -917,6 +919,8 @@ func xverifyΔBTail_rebuild(t *testing.T, db *zodb.DB, treeRoot zodb.Oid, t0, t1
 						//δbtail_ := δbtail
 						δbtail_ := δbtail.clone()
 
+						// FIXME do Update(t1->t2) only once + clone after it
+
 
 						// tracked keys1 becomes tracked keys1_2 after Update(t1->t2)
 						keys1_2 := kadj12.Map(keys1)