0.6.12.4:

[sbcl.git] / tests / gray-streams.impure.lisp

diff --git a/tests/gray-streams.impure.lisp b/tests/gray-streams.impure.lisp
index 5f96206..585aa0a 100644 (file)
--- a/tests/gray-streams.impure.lisp
+++ b/tests/gray-streams.impure.lisp
@@ -183,6 +183,19 @@
        (assert (null (fresh-line our-char-output)))
        (write-char #\c our-char-output)))
    (format nil "a ~%b~%c")))
+
+;;; Patches introduced in sbcl-0.6.11.5 made the pretty-print logic
+;;; test not only *PRINT-PRETTY* but also PRETTY-STREAM-P in some
+;;; cases. Try to verify that we don't end up doing tests like that on
+;;; bare Gray streams and thus bogusly omitting pretty-printing
+;;; operations.
+(flet ((frob ()
+        (with-output-to-string (string)
+          (let ((gray-output-stream (make-character-output-stream string)))
+            (format gray-output-stream
+                    "~@<testing: ~@:_pretty Gray line breaks~:>~%")))))
+  (assert (= 1 (count #\newline (let ((*print-pretty* nil)) (frob)))))
+  (assert (= 2 (count #\newline (let ((*print-pretty* t)) (frob))))))
 \f
 ;;;; example classes for binary output