.

wcfs/δbtail_test.go

@@ -261,6 +261,11 @@ func TestΔBTail(t *testing.T) {
 		"T/B2:b",
 		// XXX
 	}
+	// direct  tree_i -> tree_{i+1} -> _{i+2} ...   plus
+	// reverse ... tree_i <- _{i+1} <- _{i+2}
+	for i := len(testv)-2; i >= 0; i-- {
+		testv = append(testv, testv[i])
+	}
 
 	work, err := ioutil.TempDir("", "δBTail"); X(err)
 	defer func() {
@@ -312,7 +317,6 @@ func TestΔBTail(t *testing.T) {
 	}
 	*/
 
-	// direct tree_i -> tree_{i+1} -> _{i+2} ...   plus  reverse ... tree_i <- _{i+1} <- _{i+2}
 	at1 := tg.head
 	kv1 := XGetTree(db, at1, tg.treeRoot)
 	for _, tree := range testv {