1.0.31.23: OAOOize external-format support

[sbcl.git] / tests / stream.impure.lisp

diff --git a/tests/stream.impure.lisp b/tests/stream.impure.lisp
index f39e3c0..863f4e9 100644 (file)
--- a/tests/stream.impure.lisp
+++ b/tests/stream.impure.lisp
@@ -526,5 +526,67 @@
       (assert (= 3 (read-sequence buffer s :start 2 :end 3)))
       (file-position s :end)
       (assert (= 3 (read-sequence buffer s :start 3))))))
+
+;;; In 1.0.27 (and also 0.9.16; presumably in between, too), binary
+;;; input operations on a bivalent stream did something bad after
+;;; unread-char: READ-BYTE would return the character, and
+;;; READ-SEQUENCE into a byte buffer would lose when attempting to
+;;; store the character in the vector.
+(let ((pathname "bivalent-stream-unread-char-test.tmp"))
+  (with-open-file (s pathname
+                     :element-type :default
+                     :direction :io :if-exists :rename)
+    (write-char #\a s)
+    (file-position s :start)
+    (unread-char (read-char s) s)
+    (assert (integerp (read-byte s))))
+  (delete-file pathname))
+
+(let ((pathname "bivalent-stream-unread-char-test.tmp"))
+  (with-open-file (s pathname
+                     :element-type :default
+                     :direction :io :if-exists :rename)
+    (write-char #\a s)
+    (file-position s :start)
+    (unread-char (read-char s) s)
+    (assert (let ((buffer (make-array 10 :element-type '(unsigned-byte 8))))
+              (read-sequence buffer s))))
+  (delete-file pathname))
+
+#+sb-unicode
+(let ((pathname "bivalent-stream-unread-char-test.tmp"))
+  (with-open-file (s pathname
+                     :element-type :default
+                     :direction :io :if-exists :rename
+                     :external-format :utf8)
+    (write-char (code-char 192) s)
+    (file-position s :start)
+    (unread-char (read-char s) s)
+    (assert (integerp (read-byte s))))
+  (delete-file pathname))
+
+#+sb-unicode
+(let ((pathname "bivalent-stream-unread-char-test.tmp"))
+  (with-open-file (s pathname
+                     :element-type :default
+                     :direction :io :if-exists :rename
+                     :external-format :utf8)
+    (write-char (code-char 192) s)
+    (file-position s :start)
+    (unread-char (read-char s) s)
+    (assert (let ((buffer (make-array 10 :element-type '(unsigned-byte 8))))
+              (read-sequence buffer s))))
+  (delete-file pathname))
+
+(with-test (:name :delete-file-on-streams)
+  (with-open-file (f "delete-file-on-stream-test.tmp"
+                     :direction :io)
+    (delete-file f)
+    #-win32
+    (progn
+      (write-line "still open" f)
+      (file-position f :start)
+      (assert (equal "still open" (read-line f)))))
+  (assert (not (probe-file "delete-file-on-stream-test.tmp"))))
 \f
 ;;; success