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import encoding.base64
struct TestPair {
decoded string
encoded string
}
const (
pairs = [
// RFC 3548 examples
TestPair{'\x14\xfb\x9c\x03\xd9\x7e', 'FPucA9l+'},
TestPair{'\x14\xfb\x9c\x03\xd9', 'FPucA9k='},
TestPair{'\x14\xfb\x9c\x03', 'FPucAw=='},
// RFC 4648 examples
TestPair{'', ''},
TestPair{'f', 'Zg=='},
TestPair{'fo', 'Zm8='},
TestPair{'foo', 'Zm9v'},
TestPair{'foob', 'Zm9vYg=='},
TestPair{'fooba', 'Zm9vYmE='},
TestPair{'foobar', 'Zm9vYmFy'},
// Wikipedia examples
TestPair{'sure.', 'c3VyZS4='},
TestPair{'sure', 'c3VyZQ=='},
TestPair{'sur', 'c3Vy'},
TestPair{'su', 'c3U='},
TestPair{'leasure.', 'bGVhc3VyZS4='},
TestPair{'easure.', 'ZWFzdXJlLg=='},
TestPair{'asure.', 'YXN1cmUu'},
TestPair{'sure.', 'c3VyZS4='},
]
man_pair = TestPair{'Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.', 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4='}
)
fn test_decode() {
assert base64.decode(man_pair.encoded) == man_pair.decoded.bytes()
// Test for incorrect padding.
assert base64.decode('aGk') == ''.bytes()
assert base64.decode('aGk=') == 'hi'.bytes()
assert base64.decode('aGk==') == ''.bytes()
for i, p in pairs {
got := base64.decode(p.encoded)
if got != p.decoded.bytes() {
eprintln('pairs[$i]: expected = $p.decoded, got = $got')
assert false
}
}
}
fn test_decode_str() {
assert base64.decode_str(man_pair.encoded) == man_pair.decoded
// Test for incorrect padding.
assert base64.decode_str('aGk') == ''
assert base64.decode_str('aGk=') == 'hi'
assert base64.decode_str('aGk==') == ''
for i, p in pairs {
got := base64.decode_str(p.encoded)
if got != p.decoded {
eprintln('pairs[$i]: expected = $p.decoded, got = $got')
assert false
}
}
}
fn test_encode() {
assert base64.encode(man_pair.decoded.bytes()) == man_pair.encoded
for i, p in pairs {
got := base64.encode(p.decoded.bytes())
if got != p.encoded {
eprintln('pairs[$i]: expected = $p.encoded, got = $got')
assert false
}
}
}
fn test_encode_str() {
assert base64.encode_str(man_pair.decoded) == man_pair.encoded
for i, p in pairs {
got := base64.encode_str(p.decoded)
if got != p.encoded {
eprintln('pairs[$i]: expected = $p.encoded, got = $got')
assert false
}
}
}
fn test_url_encode() {
test := base64.url_encode('Hello Base64Url encoding!'.bytes())
assert test == 'SGVsbG8gQmFzZTY0VXJsIGVuY29kaW5nIQ'
}
fn test_url_encode_str() {
test := base64.url_encode_str('Hello Base64Url encoding!')
assert test == 'SGVsbG8gQmFzZTY0VXJsIGVuY29kaW5nIQ'
}
fn test_url_decode() {
test := base64.url_decode('SGVsbG8gQmFzZTY0VXJsIGVuY29kaW5nIQ')
assert test == 'Hello Base64Url encoding!'.bytes()
}
fn test_url_decode_str() {
test := base64.url_decode_str('SGVsbG8gQmFzZTY0VXJsIGVuY29kaW5nIQ')
assert test == 'Hello Base64Url encoding!'
}
fn test_encode_null_byte() {
assert base64.encode([byte(`A`), 0, `C`]) == 'QQBD'
}
fn test_encode_null_byte_str() {
// While this works, bytestr() does a memcpy
s := [byte(`A`), 0, `C`].bytestr()
assert base64.encode_str(s) == 'QQBD'
}
fn test_decode_null_byte() {
assert base64.decode('QQBD') == [byte(`A`), 0, `C`]
}
fn test_decode_null_byte_str() {
// While this works, bytestr() does a memcpy
s := [byte(`A`), 0, `C`].bytestr()
assert base64.decode_str('QQBD') == s
}
|
