1.0.40.2: ctor machinery bugfixes

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

diff --git a/tests/stream.impure.lisp b/tests/stream.impure.lisp
index f39e3c0..adf3986 100644 (file)
--- a/tests/stream.impure.lisp
+++ b/tests/stream.impure.lisp
@@ -526,5 +526,85 @@
       (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
+;;; READ-CHAR-NO-HANG on bivalent streams (as returned by RUN-PROGRAM)
+;;; was wrong.  CSR managed to promote the wrongness to all streams in
+;;; the 1.0.32.x series, breaking slime instantly.
+(with-test (:name :read-char-no-hang-after-unread-char)
+  (let* ((process (run-program "/bin/sh" '("-c" "echo a && sleep 10")
+                               :output :stream :wait nil))
+         (stream (process-output process))
+         (char (read-char stream)))
+    (assert (char= char #\a))
+    (unread-char char stream)
+    (assert (char= (read-char stream) #\a))
+    (assert (char= (read-char stream) #\Newline))
+    (let ((time (get-universal-time)))
+      ;; no input, not yet known to be at EOF: should return
+      ;; immediately
+      (read-char-no-hang stream)
+      (assert (< (- (get-universal-time) time) 2)))))
+
 ;;; success