// check the overlapping match from the first prefix information
		for routeIndex, routePrefix := range matchHTTPRoutes {
			for rIndex := routeIndex + 1; rIndex < len(matchHTTPRoutes); rIndex++ {
				// exclude the duplicate-match cases which have been validated above
				if strings.Compare(matchHTTPRoutes[rIndex].Prefix, routePrefix.Prefix) == 0 {
					continue
				}
				// Validate former prefix match does not cover the latter one.

		if err != nil {
			t.Fatalf("Object: %s Object Index %d: Unexpected err: %v", object, oindex, err)
		}

		off, length, err := rs.GetOffsetLength(size)
		if err != nil {
			t.Fatalf("Object: %s Object Index %d: Unexpected err: %v", object, oindex, err)
		}

		readers := []io.Reader{}
		cumulativeSum := int64(0)
		for _, p := range oi.partLengths {
			readers = append(readers, NewDummyDataGen(p, cumulativeSum))