(with-open-file (s "/dev/null" :direction :input :external-format xf)
(assert (eq (read-char s nil s) s))))
+;;; Test standard character read-write equivalency over all external formats.
+(let ((standard-characters "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$\"'(),_-./:;?+<=>#%&*@[\\]{|}`^~"))
+ (do-external-formats (xf)
+ (with-open-file (s "external-format-test.txt" :direction :output
+ :if-exists :supersede :external-format xf)
+ (loop for character across standard-characters
+ do (write-char character s)))
+ (with-open-file (s "external-format-test.txt" :direction :input
+ :external-format xf)
+ (loop for character across standard-characters
+ do (assert (eql (read-char s) character))))))
+
+;;; Test UTF-8 writing and reading of 1, 2, 3 and 4 octet characters with
+;;; all possible offsets. Tests for buffer edge bugs. fd-stream buffers are
+;;; 4096 wide.
+(dotimes (width-1 4)
+ (let ((character (code-char (elt '(1 #x81 #x801 #x10001) width-1))))
+ (dotimes (offset (+ width-1 1))
+ (with-open-file (s "external-format-test.txt" :direction :output
+ :if-exists :supersede :external-format :utf-8)
+ (dotimes (n offset)
+ (write-char #\a s))
+ (dotimes (n 4097)
+ (write-char character s)))
+ (with-open-file (s "external-format-test.txt" :direction :input
+ :external-format :utf-8)
+ (dotimes (n offset)
+ (assert (eql (read-char s) #\a)))
+ (dotimes (n 4097)
+ (assert (eql (read-char s) character)))
+ (assert (eql (read-char s nil s) s))))))
+
+;;; Test character decode restarts.
+(with-open-file (s "external-format-test.txt" :direction :output
+ :if-exists :supersede :element-type '(unsigned-byte 8))
+ (write-byte 65 s)
+ (write-byte 66 s)
+ (write-byte #xe0 s)
+ (write-byte 67 s))
+(with-open-file (s "external-format-test.txt" :direction :input
+ :external-format :utf-8)
+ (handler-bind
+ ((sb-int:character-decoding-error #'(lambda (decoding-error)
+ (declare (ignore decoding-error))
+ (invoke-restart
+ 'sb-int:attempt-resync))))
+ (assert (equal (read-line s nil s) "ABC"))
+ (assert (equal (read-line s nil s) s))))
+(with-open-file (s "external-format-test.txt" :direction :input
+ :external-format :utf-8)
+ (handler-bind
+ ((sb-int:character-decoding-error #'(lambda (decoding-error)
+ (declare (ignore decoding-error))
+ (invoke-restart
+ 'sb-int:force-end-of-file))))
+ (assert (equal (read-line s nil s) "AB"))
+ (assert (equal (read-line s nil s) s))))
+
+;;; Test character encode restarts.
+(with-open-file (s "external-format-test.txt" :direction :output
+ :if-exists :supersede :external-format :latin-1)
+ (handler-bind
+ ((sb-int:character-encoding-error #'(lambda (encoding-error)
+ (declare (ignore encoding-error))
+ (invoke-restart
+ 'sb-impl::output-nothing))))
+ (write-char #\A s)
+ (write-char #\B s)
+ (write-char (code-char 322) s)
+ (write-char #\C s)))
+(with-open-file (s "external-format-test.txt" :direction :input
+ :external-format :latin-1)
+ (assert (equal (read-line s nil s) "ABC"))
+ (assert (equal (read-line s nil s) s)))
+
+(with-open-file (s "external-format-test.txt" :direction :output
+ :if-exists :supersede :external-format :latin-1)
+ (handler-bind
+ ((sb-int:character-encoding-error #'(lambda (encoding-error)
+ (declare (ignore encoding-error))
+ (invoke-restart
+ 'sb-impl::output-nothing))))
+ (let ((string (make-array 4 :element-type 'character
+ :initial-contents `(#\A #\B ,(code-char 322)
+ #\C))))
+ (write-string string s))))
+(with-open-file (s "external-format-test.txt" :direction :input
+ :external-format :latin-1)
+ (assert (equal (read-line s nil s) "ABC"))
+ (assert (equal (read-line s nil s) s)))
+
+;;; Test skipping character-decode-errors in comments.
(let ((s (open "external-format-test.lisp" :direction :output
:if-exists :supersede :external-format :latin-1)))
(unwind-protect
(delete-file p)))))
(sb-ext:quit :unix-status 104)
-
\ No newline at end of file