public void ComputeEncodedLength_WalrusContentDefaultKeyRecordSize4096_ReturnsCorrectLength()
        {
            byte[] contentToEncode = Encoding.UTF8.GetBytes(WALRUS_CONTENT);

            long encodedContentLength;

            using (MemoryStream source = new MemoryStream(contentToEncode))
            {
                encodedContentLength = Aes128GcmEncoding.ComputeEncodedLength(source.Length, 0, RECORD_SIZE_4096);
            }

            Assert.Equal(WALRUS_CONTENT_ENCODED_LENGTH, encodedContentLength);
        }