0.8.3.36:

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

diff --git a/tests/stream.pure.lisp b/tests/stream.pure.lisp
index 2593683..4bf264c 100644 (file)
--- a/tests/stream.pure.lisp
+++ b/tests/stream.pure.lisp
@@ -53,7 +53,7 @@
        (return)))))
 
 ;;; Entomotomy PEEK-CHAR-WRONGLY-ECHOS-TO-ECHO-STREAM bug, fixed by
-;;; by MRD patch sbcl-devel 2002-11-02 merged ca. sbcl-0.7.9.32...
+;;; MRD patch sbcl-devel 2002-11-02 merged ca. sbcl-0.7.9.32...
 (assert (string=
         (with-output-to-string (out)
           (peek-char #\]
@@ -74,9 +74,51 @@
         ;; (Before the fix, the LET* expression just signalled an error.)
         "a"))
 
-;; 0.7.12 doesn't advance current stream in concatenated streams
-;; correctly when searching a stream for a char to read.
+;;; 0.7.12 doesn't advance current stream in concatenated streams
+;;; correctly when searching a stream for a char to read.
 (with-input-from-string (p "")
   (with-input-from-string (q "foo")
     (let* ((r (make-concatenated-stream p q)))
       (peek-char nil r))))
+
+;;; 0.7.14 and previous SBCLs don't have a working INTERACTIVE-STREAM-P
+;;; because it called UNIX-ISATTY, which wasn't defined.
+(with-input-from-string (s "a non-interactive stream")
+  (assert (not (interactive-stream-p s))))
+;;; KLUDGE: Unfortunately it's hard to find a reliably interactive
+;;; stream to test, since it's reasonable for these tests to be run
+;;; from a script, conceivably even as something like a cron job.
+;;; Ideas?
+#+nil (assert (eq (interactive-stream-p *terminal-io*) t))
+
+;;; FILE-POSITION on string-input-streams should work, even with
+;;; :START or :END new positions.
+(let ((stream (make-string-input-stream "abc")))
+  (assert (char= (read-char stream) #\a))
+  (assert (= (file-position stream) 1))
+  (assert (file-position stream 0))
+  (assert (char= (read-char stream) #\a))
+  (assert (file-position stream :start))
+  (assert (char= (read-char stream) #\a))
+  (assert (file-position stream :end))
+  (assert (eq (read-char stream nil 'foo) 'foo)))
+
+;;; MAKE-STRING-OUTPUT-STREAM and WITH-OUTPUT-TO-STRING take an
+;;; :ELEMENT-TYPE keyword argument
+(macrolet ((frob (element-type-form)
+            `(progn
+               (let ((s (with-output-to-string 
+                          (s nil ,@(when element-type-form
+                                     `(:element-type ,element-type-form))))))
+                 (assert (typep s '(simple-array ,(if element-type-form
+                                                      (eval element-type-form)
+                                                      'character)
+                                                 (0)))))
+               (get-output-stream-string 
+                (make-string-output-stream
+                 ,@(when element-type-form
+                     `(:element-type ,element-type-form)))))))
+  (frob nil)
+  (frob 'character)
+  (frob 'base-char)
+  (frob 'nil))