SELECT base64(x'')||base85(x'');
SELECT hex(x'01'||base64('')||base85('')||x'02');
SELECT base64(x'000102030405');
SELECT base64(x'0001020304');
SELECT base64(x'00010203');
SELECT hex(base64('AAECAwQF'));
SELECT hex(base64('AAECAwQ='));
SELECT hex(base64('AAECAw=='));
SELECT hex(base64(' AAECAwQF '));
SELECT hex(base64(' AAECAwQ'));
SELECT hex(base64('AAECAw '));
SELECT base85(x'000102030405');
SELECT base85(x'0001020304');
SELECT base85(x'00010203');
SELECT hex(base85('##/2,#2/'));
SELECT hex(base85('##/2,#*'));
SELECT hex(base85('##/2,'));
SELECT hex(base85(' ##/2,#2/ '));
SELECT hex(base85(' ##/2,#*'));
SELECT hex(base85('##/2, '));
CREATE TEMP TABLE rb( len int, b blob ) STRICT;
INSERT INTO rb(len) VALUES (1),(2),(3),(4),(5),(150),(151),(152),(153),(1054);
UPDATE rb SET b = randomblob(len);
SELECT len, base64(base64(b))=b, base85(base85(b))=b
FROM rb ORDER BY len;
CREATE TEMP TABLE junk(j text, rank int);
INSERT INTO junk VALUES ('',0),(' ',1),('~',2);
SELECT len, base64(j.j||base64(b)||j.j)=b, base85(j.j||base85(b)||j.j)=b
FROM rb r, junk j WHERE j.rank=(r.len+r.len/25)%3 ORDER BY len;
SELECT is_base85(' '||base85(x'123456')||char(10)),
is_base85('#$%&*+,-./0123456789:;<=>?@'
||'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
||'[\]^_`'
||'abcdefghijklmnopqrstuvwxyz'),
is_base85('!'), is_base85('"'), is_base85(''''), is_base85('('),
is_base85(')'), is_base85(char(123)), is_base85('|'), is_base85(char(125)),
is_base85('~'), is_base85(char(127));
SELECT is_base85(NULL) IS NULL;
CREATE TABLE bs(b blob, num);
INSERT INTO bs SELECT randomblob(4000 + n%3), n
FROM (
WITH RECURSIVE seq(n) AS (
VALUES(1) UNION ALL SELECT n+1
FROM seq WHERE n<100
) SELECT n FROM seq);
SELECT num FROM bs WHERE base64(base64(b))!=b;
SELECT num FROM bs WHERE base85(base85(b))!=b;