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 ;;; Test UTF-8 writing and reading of 1, 2, 3 and 4 octet characters with
41 ;;; all possible offsets. Tests for buffer edge bugs. fd-stream buffers are
44 (let ((character (code-char (elt '(1 #x81 #x801 #x10001) width-1))))
45 (dotimes (offset (+ width-1 1))
46 (with-open-file (s "external-format-test.txt" :direction :output
47 :if-exists :supersede :external-format :utf-8)
51 (write-char character s)))
52 (with-open-file (s "external-format-test.txt" :direction :input
53 :external-format :utf-8)
55 (assert (eql (read-char s) #\a)))
57 (assert (eql (read-char s) character)))
58 (assert (eql (read-char s nil s) s))))))
60 ;;; Test character decode restarts.
61 (with-open-file (s "external-format-test.txt" :direction :output
62 :if-exists :supersede :element-type '(unsigned-byte 8))
67 (with-open-file (s "external-format-test.txt" :direction :input
68 :external-format :utf-8)
70 ((sb-int:character-decoding-error #'(lambda (decoding-error)
71 (declare (ignore decoding-error))
73 'sb-int:attempt-resync))))
74 (assert (equal (read-line s nil s) "ABC"))
75 (assert (equal (read-line s nil s) s))))
76 (with-open-file (s "external-format-test.txt" :direction :input
77 :external-format :utf-8)
79 ((sb-int:character-decoding-error #'(lambda (decoding-error)
80 (declare (ignore decoding-error))
82 'sb-int:force-end-of-file))))
83 (assert (equal (read-line s nil s) "AB"))
84 (assert (equal (read-line s nil s) s))))
86 ;;; Test character encode restarts.
87 (with-open-file (s "external-format-test.txt" :direction :output
88 :if-exists :supersede :external-format :latin-1)
90 ((sb-int:character-encoding-error #'(lambda (encoding-error)
91 (declare (ignore encoding-error))
93 'sb-impl::output-nothing))))
96 (write-char (code-char 322) s)
98 (with-open-file (s "external-format-test.txt" :direction :input
99 :external-format :latin-1)
100 (assert (equal (read-line s nil s) "ABC"))
101 (assert (equal (read-line s nil s) s)))
103 (with-open-file (s "external-format-test.txt" :direction :output
104 :if-exists :supersede :external-format :latin-1)
106 ((sb-int:character-encoding-error #'(lambda (encoding-error)
107 (declare (ignore encoding-error))
109 'sb-impl::output-nothing))))
110 (let ((string (make-array 4 :element-type 'character
111 :initial-contents `(#\A #\B ,(code-char 322)
113 (write-string string s))))
114 (with-open-file (s "external-format-test.txt" :direction :input
115 :external-format :latin-1)
116 (assert (equal (read-line s nil s) "ABC"))
117 (assert (equal (read-line s nil s) s)))
119 ;;; Test skipping character-decode-errors in comments.
120 (let ((s (open "external-format-test.lisp" :direction :output
121 :if-exists :supersede :external-format :latin-1)))
124 (write-string ";;; ABCD" s)
125 (write-char (code-char 233) s)
128 (compile-file "external-format-test.lisp" :external-format :utf-8))
130 (let ((p (probe-file (compile-file-pathname "external-format-test.lisp"))))
134 (sb-ext:quit :unix-status 104)