assertEquals("Decoded byte should match", singleByte[0], decoded[0]);
    }

    /**
     * Test encode with two bytes
     *
     * @throws Exception
     */
    public void testEncode_TwoBytes() throws Exception {
        final byte[] twoBytes = new byte[] { 'A', 'B' };
        final String encoded = Base64Util.encode(twoBytes);
        assertNotNull("Encoded result should not be null", encoded);