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Enhance test code for incremental sums and portable character codes.

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Previously the test cases relied on ASCII coding for characters, and
didn't test incremental byte by byte checksum calculations.
This commit is contained in:
Pierre R. Mai
2012-10-15 21:52:35 +02:00
parent 628d499750
commit e80c820384
1 changed files with 55 additions and 19 deletions
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46
md5.lisp
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@ -685,19 +685,55 @@ according to the test suite in Appendix A.5 of RFC 1321")
"AList of test input strings and stringified message-digests
according to my additional test suite")
#+md5-testing
(defconstant +ascii-map+
'((#\A . 65) (#\B . 66) (#\C . 67) (#\D . 68) (#\E . 69) (#\F . 70)
(#\G . 71) (#\H . 72) (#\I . 73) (#\J . 74) (#\K . 75) (#\L . 76)
(#\M . 77) (#\N . 78) (#\O . 79) (#\P . 80) (#\Q . 81) (#\R . 82)
(#\S . 83) (#\T . 84) (#\U . 85) (#\V . 86) (#\W . 87) (#\X . 88)
(#\Y . 89) (#\Z . 90) (#\a . 97) (#\b . 98) (#\c . 99) (#\d . 100)
(#\e . 101) (#\f . 102) (#\g . 103) (#\h . 104) (#\i . 105) (#\j . 106)
(#\k . 107) (#\l . 108) (#\m . 109) (#\n . 110) (#\o . 111) (#\p . 112)
(#\q . 113) (#\r . 114) (#\s . 115) (#\t . 116) (#\u . 117) (#\v . 118)
(#\w . 119) (#\x . 120) (#\y . 121) (#\z . 122) (#\0 . 48) (#\1 . 49)
(#\2 . 50) (#\3 . 51) (#\4 . 52) (#\5 . 53) (#\6 . 54) (#\7 . 55)
(#\8 . 56) (#\9 . 57) (#\Space . 32))
"AList mapping string characters to ASCII codes for safe binary testing.")
#+md5-testing
(defun test-with-testsuite (testsuite)
(flet ((to-vector (string)
(loop with result = (make-array (list (length string))
:element-type '(unsigned-byte 8))
for char across string
for byte = (or (cdr (assoc char +ascii-map+))
(error "Missing Char in +ascii-map+: ~S" char))
for index upfrom 0
do (setf (aref result index) byte)
finally (return result)))
(incremental-md5sum (input)
(loop with state = (make-md5-state)
for index from 0 below (length input)
do (update-md5-state state input :start index :end (1+ index))
finally (return (finalize-md5-state state)))))
(loop for count from 1
for (source . md5-string) in testsuite
for md5-digest = (md5sum-sequence source)
for binary-source = (to-vector source)
for md5-digest = (md5sum-sequence binary-source)
for md5-digest-inc = (incremental-md5sum binary-source)
for md5-result-string = (format nil "~(~{~2,'0X~}~)"
(map 'list #'identity md5-digest))
for md5-result-string-inc = (format nil
"~(~{~2,'0X~}~)"
(map 'list #'identity md5-digest-inc))
do
(format
*trace-output*
"~2&Test-Case ~D:~% Input: ~S~% Required: ~A~% Returned: ~A~%"
count source md5-string md5-result-string)
when (string= md5-string md5-result-string)
"~2&Test-Case ~D:~% Input: ~S~% Required: ~A~% Returned: ~A~% ~
Returned incrementally: ~A~%"
count source md5-string md5-result-string md5-result-string-inc)
when (and (string= md5-string md5-result-string)
(string= md5-string md5-result-string-inc))
do (format *trace-output* " OK~%")
else
count 1 into failed
@ -706,7 +742,7 @@ according to my additional test suite")
(format *trace-output*
"~2&~[All ~D test cases succeeded~:;~:*~D of ~D test cases failed~].~%"
failed (1- count))
(return (zerop failed))))
(return (zerop failed)))))
#+md5-testing
(defun test-rfc1321 ()