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(defpackage :unicode-tests
(:use :cl :lisp-unit))
(in-package "UNICODE-TESTS")
(defvar *normalization-test* "target:i18n/tests/NormalizationTest.txt")
(defun parse-norm-line (line)
(declare (string line))
(cond ((or (char= (aref line 0) #\@)
(char= (aref line 0) #\#))
;; Delete lines starting with # or @
nil)
(t
;; Split the line into columns. There are 5 columns. Column 6 is a comment.
(let* ((p1 (position #\; line))
(p2 (position #\; line :start (1+ p1)))
(p3 (position #\; line :start (1+ p2)))
(p4 (position #\; line :start (1+ p3)))
(p5 (position #\; line :start (1+ p4))))
(labels
((convert (codes)
(let ((result nil))
(map nil #'(lambda (x)
(multiple-value-bind (hi lo)
(lisp::surrogates x)
(push hi result)
(when lo (push lo result))))
codes)
(coerce (nreverse result) 'simple-string)))
(read-values (string start end)
(with-input-from-string (s string :start start :end end)
(let ((*read-base* 16))
(convert
(loop for x = (read s nil nil) while x collect x))))))
(values (read-values line 0 p1)
(read-values line (1+ p1) p2)
(read-values line (1+ p2) p3)
(read-values line (1+ p3) p4)
(read-values line (1+ p4) p5)))))))
(define-test unicode.nfd
"Test Unicode NFD normalization"
(:tag :unicode)
(with-open-file (testfile *normalization-test* :direction :input :external-format :iso8859-1)
(loop for line = (read-line testfile nil nil) while line do
(multiple-value-bind (c1 c2 c3 c4 c5)
(parse-norm-line line)
(when c1
(let ((test1 (lisp::string-to-nfd c1))
(test2 (lisp::string-to-nfd c2))
(test3 (lisp::string-to-nfd c3))
(test4 (lisp::string-to-nfd c4))
(test5 (lisp::string-to-nfd c5)))
(assert-equalp (list c3 c3 c3 c5 c5)
(list test1 test2 test3 test4 test5))
))))))
(define-test unicode.nfkd
"Test Unicode NFKD normalization"
(:tag :unicode)
(with-open-file (testfile *normalization-test* :direction :input :external-format :utf-8)
(loop for line = (read-line testfile nil nil) while line do
;;(format t "line = ~S~%" line)
(multiple-value-bind (c1 c2 c3 c4 c5)
(parse-norm-line line)
(when c1
(let ((test1 (lisp::string-to-nfkd c1))
(test2 (lisp::string-to-nfkd c2))
(test3 (lisp::string-to-nfkd c3))
(test4 (lisp::string-to-nfkd c4))
(test5 (lisp::string-to-nfkd c5)))
(assert-equalp (list c5 c5 c5 c5 c5)
(list test1 test2 test3 test4 test5))))))))
(define-test unicode.nfc
"Test Unicode NFC normalization"
(:tag :unicode)
(with-open-file (testfile *normalization-test* :direction :input :external-format :utf-8)
(loop for line = (read-line testfile nil nil) while line do
(multiple-value-bind (c1 c2 c3 c4 c5)
(parse-norm-line line)
(when c1
(let ((test1 (lisp::string-to-nfc c1))
(test2 (lisp::string-to-nfc c2))
(test3 (lisp::string-to-nfc c3))
(test4 (lisp::string-to-nfc c4))
(test5 (lisp::string-to-nfc c5)))
(assert-equalp (list c2 c2 c2 c4 c4)
(list test1 test2 test3 test4 test5))))))))
(define-test unicode-nfkc
"Test Unicode NFKC normalization"
(:tag :unicode)
(with-open-file (testfile *normalization-test* :direction :input :external-format :utf-8)
(loop for line = (read-line testfile nil nil) while line do
(multiple-value-bind (c1 c2 c3 c4 c5)
(parse-norm-line line)
(when c1
(let ((test1 (lisp::string-to-nfkc c1))
(test2 (lisp::string-to-nfkc c2))
(test3 (lisp::string-to-nfkc c3))
(test4 (lisp::string-to-nfkc c4))
(test5 (lisp::string-to-nfkc c5)))
(assert-equalp (list c4 c4 c4 c4 c4)
(list test1 test2 test3 test4 test5))))))))
(defvar *word-break-test* "target:i18n/tests/WordBreakTest.txt")
(defun parse-word-break-line (line)
(let* ((eos (or (position #\# line)
(length line))))
;; See WordBreakTest.txt for the format of the file. Basically
;; each test is on one line and consists of a marker and a
;; codepoint. The marker indicates whether a break is allowed (a
;; division sign for a break, a multiplication sign for no break).
;; The test ends with a marker to indicate if a division is
;; allowed at the end of the test. After this marker is a comment
;; for the test.
(when (plusp eos)
;; For each non-empty line, read the codepints into a string and
;; the markers into a second array. The second array contains
;; indices into the string where a break is allowed.
(let ((*read-base* 16)
(count 0)
(breaks (make-array 10 :fill-pointer 0))
(string (make-array 10 :fill-pointer 0 :element-type 'character)))
(with-input-from-string (s line :end eos)
(flet ((handle-break (c)
(when (eql #\division_sign (char (string c) 0))
(vector-push-extend count breaks))))
(handle-break (read s))
(incf count)
(loop
(let ((c (read s nil nil)))
(unless c
(return))
;; Handle codepoints outside the BMP carefully.
(if (> c #xffff)
(let ((s (lisp::codepoints-string (list c))))
;; Need to increment the count because of our
;; UTF-16 encoding of strings.
(incf count)
(vector-push-extend (aref s 0) string)
(vector-push-extend (aref s 1) string))
(vector-push-extend (code-char c) string))
(let ((c (read s)))
(handle-break c))
(incf count)))))
(values string breaks)))))
(defun do-test (string breaks)
(let ((posn -1)
(count 0)
(string (coerce string 'simple-string)))
(loop
(let ((end (unicode:string-next-word-break string posn)))
(when (= end posn)
(return))
(unless (= end (aref breaks count))
(format t "Test failed!~%")
(format t " String = ~S~%" (map 'list #'char-name string))
(format t " Breaks = ~S~%" breaks)
(format t " Expected ~S but got ~S for break #~D~%" (aref breaks count) end count)
(finish-output)
(return-from do-test nil))
(setf posn end)
(incf count)))
t))
(define-test unicode.word-break
"Test Unicode word break algorithm"
(:tag :unicode)
(with-open-file (s *word-break-test* :direction :input :external-format :utf-8)
(loop for line = (read-line s nil nil)
while line
do
(progn
(multiple-value-bind (s b)
(parse-word-break-line line)
(when s
(flet ((do-test (string)
(let ((posn -1)
(string (coerce string 'simple-string))
(computed-breaks (make-array 10 :fill-pointer 0)))
(loop
(let ((end (unicode:string-next-word-break string posn)))
(when (= end posn)
(return))
(vector-push-extend end computed-breaks)
(setf posn end)))
computed-breaks)))
(assert-equalp b
(do-test s)))))))))
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