.

wcfs/δbtail_test.go

@@ -813,9 +813,17 @@ func TestΔBTail(t *testing.T) {
 			  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)
+		// +right arm (T7/B45-B89) which remain not tracked unless previously accessed.
 		"T/T/B1:a,2:b",
-		"T4/T2-T7/B1:a-B2:b,3:c-B4:d,5:e-B8:h,9:i",
+		Δ("T4/T2-T7/B1:a-B2:b,3:c-B4:d,5:e-B8:h,9:i",
+			A{1:  K(1,2,3),
+			  2:  K(1,2,3),
+			  3:  K(1,2,3),
+			  4:  K(1,2,3,4,5),	// XXX correct?
+			  5:  K(1,2,3,4,5),	// XXX correct?
+			  8:  K(1,2,3, 8,9),	// XXX correct?
+			  9:  K(1,2,3, 8,9),	// XXX correct?
+			  oo: K(1,2, 8,9)}),	// XXX correct?