+;; In addition to definitions lower down the impurity we're avoiding
+;; is the sigchld handler that RUN-PROGRAM sets up, which interfers
+;; with the manual unix process control done by the test framework
+;; (sometimes the handler will manage to WAIT3 a process before
+;; run-tests WAITPIDs it).
+
+(with-test (:name :run-program-cat-1 :skipped-on :win32)
+ (let* ((process (sb-ext:run-program "/bin/cat" '() :wait nil
+ :output :stream :input :stream))
+ (out (process-input process))
+ (in (process-output process)))
+ (unwind-protect
+ (loop for i from 0 to 255 do
+ (write-byte i out)
+ (force-output out)
+ (assert (= (read-byte in) i)))
+ (process-close process))))
+
+(with-test (:name :run-program-cat-2 :skipped-on '(or (not :sb-thread) :win32))
+ ;; Tests that reading from a FIFO is interruptible.
+ (let* ((process (sb-ext:run-program "/bin/cat" '()
+ :wait nil
+ :output :stream :input :stream))
+ (in (process-input process))
+ (out (process-output process))
+ (sem (sb-thread:make-semaphore))
+ (state :init)
+ (writer (sb-thread:make-thread (lambda ()
+ (sb-thread:wait-on-semaphore sem)
+ (setf state :sleep)
+ (sleep 2)
+ (setf state :write)
+ (write-line "OK" in)
+ (finish-output in))))
+ (timeout nil)
+ (got nil)
+ (unwind nil))
+ (sb-thread:signal-semaphore sem)
+ (handler-case
+ (with-timeout 0.1
+ (unwind-protect
+ (setf got (read-line out))
+ (setf unwind state)))
+ (timeout ()
+ (setf timeout t)))
+ (assert (not got))
+ (assert timeout)
+ (assert (eq unwind :sleep))
+ (sb-thread:join-thread writer)
+ (assert (equal "OK" (read-line out)))))
+
+(defclass buffer-stream (sb-gray:fundamental-binary-input-stream sb-gray:fundamental-binary-output-stream)
+ ((buffer :initform (make-array 128
+ :element-type '(unsigned-byte 8)
+ :adjustable t
+ :fill-pointer 0))
+ (mark :initform 0)))
+
+(defmethod stream-element-type ((stream buffer-stream))
+ '(unsigned-byte 8))
+
+(defmethod sb-gray:stream-read-sequence ((stream buffer-stream) seq &optional (start 0) end)
+ (let* ((buffer (slot-value stream 'buffer))
+ (end (or end (length seq)))
+ (mark (slot-value stream 'mark))
+ (fill-pointer (fill-pointer buffer))
+ (new-mark (+ mark (min fill-pointer (- end start)))))
+ (setf (slot-value stream 'mark) new-mark)
+ (replace seq buffer
+ :start1 start :end1 end
+ :start2 mark :end2 fill-pointer)
+ (min end (+ start (- fill-pointer mark)))))
+
+(defmethod sb-gray:stream-write-sequence ((stream buffer-stream) seq &optional (start 0) end)
+ (let* ((buffer (slot-value stream 'buffer))
+ (end (or end (length seq)))
+ (fill-pointer (fill-pointer buffer))
+ (new-fill (min (array-total-size buffer) (+ fill-pointer (- end start)))))
+ (setf (fill-pointer buffer) new-fill)
+ (replace buffer seq
+ :start1 fill-pointer
+ :start2 start :end2 end)
+ seq))
+
+(with-test (:name :run-program-cat-3 :skipped-on :win32)
+ ;; User-defined binary input and output streams.
+ (let ((in (make-instance 'buffer-stream))
+ (out (make-instance 'buffer-stream))
+ (data #(0 1 2 3 4 5 6 7 8 9 10 11 12)))
+ (write-sequence data in)
+ (let ((process (sb-ext:run-program "/bin/cat" '() :wait t :output out :input in))
+ (buf (make-array (length data))))
+ (assert (= 13 (read-sequence buf out)))
+ (assert (= 0 (read-sequence (make-array 8) out)))
+ (assert (equalp buf data)))))
+
+(with-test (:name :run-program-cat-4 :skipped-on :win32)
+ ;; Null broadcast stream as output
+ (let* ((process (sb-ext:run-program "/bin/cat" '() :wait nil
+ :output (make-broadcast-stream)
+ :input :stream))
+ (in (process-input process)))
+ (unwind-protect
+ (progn
+ (write-string "foobar" in)
+ (close in)
+ (process-wait process))
+ (process-close process))))
+
+;;; Test driving an external program (cat) through pipes wrapped in
+;;; composite streams.
+
+(require :sb-posix)
+
+#-win32
+(progn
+ (defun make-pipe ()
+ (multiple-value-bind (in out) (sb-posix:pipe)
+ (let ((input (sb-sys:make-fd-stream in
+ :input t
+ :external-format :ascii
+ :buffering :none :name "in"))
+ (output (sb-sys:make-fd-stream out
+ :output t
+ :external-format :ascii
+ :buffering :none :name "out")))
+ (make-two-way-stream input output))))
+
+ (defparameter *cat-in-pipe* (make-pipe))
+ (defparameter *cat-in* (make-synonym-stream '*cat-in-pipe*))
+ (defparameter *cat-out-pipe* (make-pipe))
+ (defparameter *cat-out* (make-synonym-stream '*cat-out-pipe*)))
+
+(with-test (:name :run-program-cat-5 :fails-on :win32)
+ (let ((cat (run-program "/bin/cat" nil :input *cat-in* :output *cat-out*
+ :wait nil)))
+ (dolist (test '("This is a test!"
+ "This is another test!"
+ "This is the last test...."))
+ (write-line test *cat-in*)
+ (assert (equal test (read-line *cat-out*))))
+ (process-close cat)))
+
+;;; The above test used to use ed, but there were buffering issues: on some platforms
+;;; buffering of stdin and stdout depends on their TTYness, and ed isn't sufficiently
+;;; agressive about flushing them. So, here's another test using :PTY.
+
+#-win32
+(with-test (:name :is-/bin/ed-installed?)
+ (assert (probe-file "/bin/ed")))
+
+#-win32
+(progn
+ (defparameter *tmpfile* "run-program-ed-test.tmp")
+
+ (with-test (:name :run-program-/bin/ed)
+ (with-open-file (f *tmpfile*
+ :direction :output
+ :if-exists :supersede)
+ (write-line "bar" f))
+ (unwind-protect
+ (let* ((ed (run-program "/bin/ed" (list *tmpfile*) :wait nil :pty t))
+ (ed-in (process-pty ed))
+ (ed-out (process-pty ed)))
+ (labels ((read-linish (stream)
+ (with-output-to-string (s)
+ (loop for c = (read-char stream)
+ while (and c (not (eq #\newline c)))
+ ;; Some eds like to send \r\n
+ do (unless (eq #\return c)
+ (write-char c s)))))
+ (assert-ed (command response)
+ (when command
+ (write-line command ed-in)
+ (force-output ed-in))
+ (when response
+ (let ((got (read-linish ed-out)))
+ (unless (equal response got)
+ (error "wanted '~A' from ed, got '~A'" response got))))
+ ed))
+ (assert-ed nil "4")
+ (assert-ed ".s/bar/baz/g" nil)
+ (assert-ed "w" "4")
+ (assert-ed "q" nil)
+ (process-wait ed)
+ (with-open-file (f *tmpfile*)
+ (assert (equal "baz" (read-line f))))))
+ (delete-file *tmpfile*)))) ;; #-win32
+
+;; Around 1.0.12 there was a regression when :INPUT or :OUTPUT was a
+;; pathname designator. Since these use the same code, it should
+;; suffice to test just :INPUT.
+(let ((file))