entriesTrie := trie.NewTrie()
	for i := 1; i <= 10000; i++ {
		entriesTrie.Insert(fmt.Sprintf("%.5d.8a034f82cb9cb31140d87d3ce2a9ede3.67108864", i))
	}

	for i := 1; i <= 10000; i++ {
		partFile := getPartFile(entriesTrie, i, "8a034f82cb9cb31140d87d3ce2a9ede3")
		if partFile == "" {
			b.Fatal("partFile returned is empty")
		}
	}

	b.ReportAllocs()
}

func TestGetActualSize(t *testing.T) {

		if ok := wildcard.MatchSimple(pattern, matchStr); ok {
			return true
		}
	}
	return false
}

// Returns the part file name which matches the partNumber and etag.
func getPartFile(entriesTrie *trie.Trie, partNumber int, etag string) (partFile string) {
	for _, match := range entriesTrie.PrefixMatch(fmt.Sprintf("%.5d.%s.", partNumber, etag)) {
		partFile = match
		break
	}
	return partFile
}