0.8.13.9: Referendum Alienum

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

diff --git a/tests/stream.impure.lisp b/tests/stream.impure.lisp
index 9b671c5..598c55a 100644 (file)
--- a/tests/stream.impure.lisp
+++ b/tests/stream.impure.lisp
@@ -104,5 +104,50 @@
     (assert (char= (read-char s) #\1)))
   (delete-file p))
 \f
+;;; FILE-POSITION on broadcast-streams is mostly uncontroversial
+(assert (= 0 (file-position (make-broadcast-stream))))
+(assert (file-position (make-broadcast-stream) :start))
+(assert (file-position (make-broadcast-stream) 0))
+(assert (not (file-position (make-broadcast-stream) 1)))
+(let ((s (make-broadcast-stream)))
+  (write-char #\a s)
+  (assert (not (file-position s 1)))
+  (assert (= 0 (file-position s))))
+
+(let ((p "broadcast-stream-test"))
+  (ignore-errors (delete-file p))
+  (with-open-file (f p :direction :output)
+    (let ((s (make-broadcast-stream f)))
+      (assert (= 0 (file-position s)))
+      (assert (file-position s :start))
+      (assert (file-position s 0))
+      (write-char #\a s)
+      (assert (= 1 (file-position s))) ; unicode...
+      (assert (file-position s 0))))
+  (delete-file p))
+
+;;; CLOSING a non-new streams should not delete them, and superseded
+;;; files should be restored.
+(let ((test "test-file-for-close-should-not-delete"))
+  (macrolet ((test-mode (mode)
+              `(progn
+                (catch :close-test-exit
+                  (with-open-file (f test :direction :output :if-exists ,mode)
+                    (write-line "test" f)
+                    (throw :close-test-exit t)))
+                (assert (and (probe-file test) ,mode)))))
+    (unwind-protect
+        (progn
+          (with-open-file (f test :direction :output)
+            (write-line "test" f))
+          (test-mode :append)
+          ;; FIXME: We really should recover supersede files as well, according to
+          ;; CLOSE in CLHS, but at the moment we don't.
+          ;; (test-mode :supersede)
+          (test-mode :rename)
+          (test-mode :rename-and-delete))
+      (when (probe-file test)
+       (delete-file test)))))
+
 ;;; success
 (quit :unix-status 104)