.

wcfs/δbtail_test.go

@@ -781,7 +781,7 @@ func TestΔBTail(t *testing.T) {
 			  oo: K(2,3)}), // no 1 XXX correct?
 
 		// bucket split; +3 in new bucket; +4 +5 in another new bucket
-		// which remain not tracked if 4 and 5 were not previously accessed.
+		// which remain not tracked unless previously accessed.
 		"T/B1:a,2:b",
 		Δ("T2,4/B1:a-B2:b,3:c-B4:d,5:e",
 			A{1:  K(1,2),
@@ -802,9 +802,15 @@ func TestΔBTail(t *testing.T) {
 			  oo: K(1,2,3)}), // XXX correct?
 
 		// depth=2; like prev. case, but additional right arm with +4
-		// +5 is added which remain not tracked (TODO verify)
+		// +5 is added which remain not tracked unless previously accessed.
 		"T/T/B1:a,2:b",
-		"T2,4/T-T-T/B1:a-B2:b,3:c-B4:d,5:e",
+		Δ("T2,4/T-T-T/B1:a-B2:b,3:c-B4:d,5:e",
+			A{1:  K(1,2),
+			  2:  K(1,2,3),
+			  3:  K(1,2,3),
+			  4:  K(1,2,3,4,5),
+			  5:  K(1,2,3,4,5),
+			  oo: K(1,2,3,4,5)}), // XXX correct?
 
 		// depth=2; bucket split; +3 in new bucket; t0 and t1 split;
 		// +right arm (T7/B45-B89) which remain not tracked (TODO verify)