0.9.0.13:

[sbcl.git] / tests / external-format.impure.lisp

diff --git a/tests/external-format.impure.lisp b/tests/external-format.impure.lisp
index 9673578..f5a0f48 100644 (file)
--- a/tests/external-format.impure.lisp
+++ b/tests/external-format.impure.lisp
@@ -25,6 +25,98 @@
   (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
@@ -40,4 +132,3 @@
        (delete-file p)))))
 
 (sb-ext:quit :unix-status 104)
-    
\ No newline at end of file