calculator.update(ByteBuffer.allocate(0));
        assertEquals("da39a3ee5e6b4b0d3255bfef95601890afd80709", calculator.checksum());
    }

    @Test
    void calculateByte() throws IOException {
        Map<ChecksumAlgorithmService.ChecksumAlgorithm, String> checksums = service.calculate(
                "test".getBytes(StandardCharsets.UTF_8), service.select(Arrays.asList("SHA-1", "MD5")));