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basexx = require( "basexx" )
describe( "should handle base64 strings", function()
local longtxt = "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."
local long64 = "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb2"..
"4sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBh"..
"bmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYn"..
"kgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVk"..
"IGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLC"..
"BleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBw"..
"bGVhc3VyZS4="
it( "should work with wikipedia examples", function()
-- http://en.wikipedia.org/wiki/Base64
assert.is.same( 'TWFu', basexx.to_base64( 'Man') )
assert.is.same( 'Man', basexx.from_base64( 'TWFu') )
assert.is.same( 'bGVhc3VyZS4=', basexx.to_base64( 'leasure.') )
assert.is.same( 'leasure.', basexx.from_base64( 'bGVhc3VyZS4=') )
assert.is.same( 'cGxlYXN1cmUu', basexx.to_base64( 'pleasure.') )
assert.is.same( 'pleasure.', basexx.from_base64( 'cGxlYXN1cmUu') )
assert.is.same( 'ZWFzdXJlLg==', basexx.to_base64( 'easure.') )
assert.is.same( 'easure.', basexx.from_base64( 'ZWFzdXJlLg==') )
assert.is.same( 'c3VyZS4=', basexx.to_base64( 'sure.') )
assert.is.same( 'sure.', basexx.from_base64( 'c3VyZS4=') )
assert.is.same( long64, basexx.to_base64( longtxt ) )
assert.is.same( longtxt, basexx.from_base64( long64) )
end)
it( "should handle padding correct", function()
-- http://en.wikipedia.org/wiki/Base64#Padding
assert.is.same( "YW55IGNhcm5hbCBwbGVhc3VyZS4=",
basexx.to_base64( "any carnal pleasure." ) )
assert.is.same( "YW55IGNhcm5hbCBwbGVhc3VyZQ==",
basexx.to_base64( "any carnal pleasure" ) )
assert.is.same( "YW55IGNhcm5hbCBwbGVhc3Vy",
basexx.to_base64( "any carnal pleasur" ) )
assert.is.same( "YW55IGNhcm5hbCBwbGVhc3U=",
basexx.to_base64( "any carnal pleasu" ) )
assert.is.same( "YW55IGNhcm5hbCBwbGVhcw==",
basexx.to_base64( "any carnal pleas" ) )
assert.is.same( "any carnal pleas",
basexx.from_base64( "YW55IGNhcm5hbCBwbGVhcw==" ) )
assert.is.same( "any carnal pleasu",
basexx.from_base64( "YW55IGNhcm5hbCBwbGVhc3U=" ) )
assert.is.same( "any carnal pleasur",
basexx.from_base64( "YW55IGNhcm5hbCBwbGVhc3Vy" ) )
end)
it( "should allow to ignore characters in a base64 string", function()
assert.is.same( "Man", basexx.from_base64( "TW-Fu", "-" ) )
end)
it( "should handle wrong characters without a crash", function()
local res, err = basexx.from_base64( "TW`Fu" )
assert.is.falsy( res )
assert.is.same( "`", err )
end)
end)
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