1 ;;;; This file is for testing external-format functionality, using
2 ;;;; test machinery which might have side effects (e.g. executing
3 ;;;; DEFUN, writing files). Note that the tests here reach into
4 ;;;; unexported functionality, and should not be used as a guide for
7 ;;;; This software is part of the SBCL system. See the README file for
10 ;;;; While most of SBCL is derived from the CMU CL system, the test
11 ;;;; files (like this one) were written from scratch after the fork
14 ;;;; This software is in the public domain and is provided with
15 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
16 ;;;; more information.
18 (defmacro do-external-formats ((xf &optional result) &body body)
20 `(dolist (,nxf sb-impl::*external-formats* ,result)
21 (let ((,xf (first (first ,nxf))))
24 (do-external-formats (xf)
25 (with-open-file (s "/dev/null" :direction :input :external-format xf)
26 (assert (eq (read-char s nil s) s))))
28 ;;; Test standard character read-write equivalency over all external formats.
29 (let ((standard-characters "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$\"'(),_-./:;?+<=>#%&*@[\\]{|}`^~"))
30 (do-external-formats (xf)
31 (with-open-file (s "external-format-test.txt" :direction :output
32 :if-exists :supersede :external-format xf)
33 (loop for character across standard-characters
34 do (write-char character s)))
35 (with-open-file (s "external-format-test.txt" :direction :input
37 (loop for character across standard-characters
38 do (assert (eql (read-char s) character))))))
40 (delete-file "external-format-test.txt")
42 (sb-ext:quit :unix-status 104)
44 ;;; Test UTF-8 writing and reading of 1, 2, 3 and 4 octet characters with
45 ;;; all possible offsets. Tests for buffer edge bugs. fd-stream buffers are
48 (let ((character (code-char (elt '(1 #x81 #x801 #x10001) width-1))))
49 (dotimes (offset (+ width-1 1))
50 (with-open-file (s "external-format-test.txt" :direction :output
51 :if-exists :supersede :external-format :utf-8)
55 (write-char character s)))
56 (with-open-file (s "external-format-test.txt" :direction :input
57 :external-format :utf-8)
59 (assert (eql (read-char s) #\a)))
61 (assert (eql (read-char s) character)))
62 (assert (eql (read-char s nil s) s))))))
64 ;;; Test character decode restarts.
65 (with-open-file (s "external-format-test.txt" :direction :output
66 :if-exists :supersede :element-type '(unsigned-byte 8))
71 (with-open-file (s "external-format-test.txt" :direction :input
72 :external-format :utf-8)
74 ((sb-int:character-decoding-error #'(lambda (decoding-error)
75 (declare (ignore decoding-error))
77 'sb-int:attempt-resync))))
78 (assert (equal (read-line s nil s) "ABC"))
79 (assert (equal (read-line s nil s) s))))
80 (with-open-file (s "external-format-test.txt" :direction :input
81 :external-format :utf-8)
83 ((sb-int:character-decoding-error #'(lambda (decoding-error)
84 (declare (ignore decoding-error))
86 'sb-int:force-end-of-file))))
87 (assert (equal (read-line s nil s) "AB"))
88 (assert (equal (read-line s nil s) s))))
90 ;;; Test character encode restarts.
91 (with-open-file (s "external-format-test.txt" :direction :output
92 :if-exists :supersede :external-format :latin-1)
94 ((sb-int:character-encoding-error #'(lambda (encoding-error)
95 (declare (ignore encoding-error))
97 'sb-impl::output-nothing))))
100 (write-char (code-char 322) s)
102 (with-open-file (s "external-format-test.txt" :direction :input
103 :external-format :latin-1)
104 (assert (equal (read-line s nil s) "ABC"))
105 (assert (equal (read-line s nil s) s)))
107 (with-open-file (s "external-format-test.txt" :direction :output
108 :if-exists :supersede :external-format :latin-1)
110 ((sb-int:character-encoding-error #'(lambda (encoding-error)
111 (declare (ignore encoding-error))
113 'sb-impl::output-nothing))))
114 (let ((string (make-array 4 :element-type 'character
115 :initial-contents `(#\A #\B ,(code-char 322)
117 (write-string string s))))
118 (with-open-file (s "external-format-test.txt" :direction :input
119 :external-format :latin-1)
120 (assert (equal (read-line s nil s) "ABC"))
121 (assert (equal (read-line s nil s) s)))
123 ;;; Test skipping character-decode-errors in comments.
124 (let ((s (open "external-format-test.lisp" :direction :output
125 :if-exists :supersede :external-format :latin-1)))
128 (write-string ";;; ABCD" s)
129 (write-char (code-char 233) s)
132 (compile-file "external-format-test.lisp" :external-format :utf-8))
134 (let ((p (probe-file (compile-file-pathname "external-format-test.lisp"))))
139 ;;;; KOI8-R external format
140 (with-open-file (s "external-format-test.txt" :direction :output
141 :if-exists :supersede :external-format :koi8-r)
142 (write-char (code-char #xB0) s)
146 (write-char (code-char #xBAAD) s)
148 (sb-int:character-encoding-error ()
151 (with-open-file (s "external-format-test.txt" :direction :input
152 :element-type '(unsigned-byte 8))
153 (let ((byte (read-byte s)))
154 (assert (= (eval byte) #x9C))))
155 (with-open-file (s "external-format-test.txt" :direction :input
156 :external-format :koi8-r)
157 (let ((char (read-char s)))
158 (assert (= (char-code (eval char)) #xB0))))
161 (delete-file "external-format-test.txt")
162 (sb-ext:quit :unix-status 104)