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eval/decode: Fail on control and invalid unicode characters

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This commit is contained in:
ZyX
2016-02-03 21:01:21 +03:00
parent cddd7d47c3
commit ea82270d30
2 changed files with 91 additions and 5 deletions
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61
test/functional/eval/json_functions_spec.lua
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@@ -235,6 +235,67 @@ describe('jsondecode() function', function()
eq('', funcs.jsondecode('""'))
eq('\\/"\t\b\n\r\f', funcs.jsondecode([["\\\/\"\t\b\n\r\f"]]))
eq('/a', funcs.jsondecode([["\/a"]]))
-- Unicode characters: 2-byte, 3-byte, 4-byte
eq({
'«',
'ફ',
'\xF0\x90\x80\x80',
}, funcs.jsondecode({
'[',
'"«",',
'"ફ",',
'"\xF0\x90\x80\x80"',
']',
}))
end)
it('fails on strings with invalid bytes', function()
eq('Vim(call):E474: Only UTF-8 strings allowed: \255"',
exc_exec('call jsondecode("\\t\\"\\xFF\\"")'))
eq('Vim(call):E474: ASCII control characters cannot be present inside string: ',
exc_exec('call jsondecode(["\\"\\n\\""])'))
-- 0xC2 starts 2-byte unicode character
eq('Vim(call):E474: Only UTF-8 strings allowed: \194"',
exc_exec('call jsondecode("\\t\\"\\xC2\\"")'))
-- 0xE0 0xAA starts 3-byte unicode character
eq('Vim(call):E474: Only UTF-8 strings allowed: \224"',
exc_exec('call jsondecode("\\t\\"\\xE0\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \224\170"',
exc_exec('call jsondecode("\\t\\"\\xE0\\xAA\\"")'))
-- 0xF0 0x90 0x80 starts 4-byte unicode character
eq('Vim(call):E474: Only UTF-8 strings allowed: \240"',
exc_exec('call jsondecode("\\t\\"\\xF0\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \240\144"',
exc_exec('call jsondecode("\\t\\"\\xF0\\x90\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \240\144\128"',
exc_exec('call jsondecode("\\t\\"\\xF0\\x90\\x80\\"")'))
-- 0xF9 0x80 0x80 0x80 starts 5-byte unicode character
eq('Vim(call):E474: Only UTF-8 strings allowed: \xF9"',
exc_exec('call jsondecode("\\t\\"\\xF9\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xF9\x80"',
exc_exec('call jsondecode("\\t\\"\\xF9\\x80\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xF9\x80\x80"',
exc_exec('call jsondecode("\\t\\"\\xF9\\x80\\x80\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xF9\x80\x80\x80"',
exc_exec('call jsondecode("\\t\\"\\xF9\\x80\\x80\\x80\\"")'))
-- 0xFC 0x90 0x80 0x80 0x80 starts 6-byte unicode character
eq('Vim(call):E474: Only UTF-8 strings allowed: \xFC"',
exc_exec('call jsondecode("\\t\\"\\xFC\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xFC\x90"',
exc_exec('call jsondecode("\\t\\"\\xFC\\x90\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xFC\x90\x80"',
exc_exec('call jsondecode("\\t\\"\\xFC\\x90\\x80\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xFC\x90\x80\x80"',
exc_exec('call jsondecode("\\t\\"\\xFC\\x90\\x80\\x80\\"")'))
eq('Vim(call):E474: Only UTF-8 strings allowed: \xFC\x90\x80\x80\x80"',
exc_exec('call jsondecode("\\t\\"\\xFC\\x90\\x80\\x80\\x80\\"")'))
-- Specification does not allow unquoted characters above 0x10FFFF
eq('Vim(call):E474: Only UTF-8 code points up to U+10FFFF are allowed to appear unescaped: \xF9\x80\x80\x80\x80"',
exc_exec('call jsondecode("\\t\\"\\xF9\\x80\\x80\\x80\\x80\\"")'))
eq('Vim(call):E474: Only UTF-8 code points up to U+10FFFF are allowed to appear unescaped: \xFC\x90\x80\x80\x80\x80"',
exc_exec('call jsondecode("\\t\\"\\xFC\\x90\\x80\\x80\\x80\\x80\\"")'))
-- '"\xF9\x80\x80\x80\x80"',
-- '"\xFC\x90\x80\x80\x80\x80"',
end)
end)