0.8.1.25:

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

diff --git a/tests/interface.pure.lisp b/tests/interface.pure.lisp
index c84cc63..c69e03e 100644 (file)
--- a/tests/interface.pure.lisp
+++ b/tests/interface.pure.lisp
@@ -42,6 +42,49 @@
 (describe #(1 2 3))
 (describe #2a((1 2) (3 4)))
 
+;;; support for DESCRIBE tests
+(defstruct to-be-described a b)
+(defclass forward-describe-class (forward-describe-ref) (a))
+
+;;; DESCRIBE should run without signalling an error.
+(describe (make-to-be-described))
+(describe 12)
+(describe "a string")
+(describe 'symbolism)
+(describe (find-package :cl))
+(describe '(a list))
+(describe #(a vector))
+
+;;; The DESCRIBE-OBJECT methods for built-in CL stuff should do
+;;; FRESH-LINE and TERPRI neatly.
+(dolist (i (list (make-to-be-described :a 14) 12 "a string"
+                #0a0 #(1 2 3) #2a((1 2) (3 4)) 'sym :keyword
+                (find-package :keyword) (list 1 2 3)
+                nil (cons 1 2) (make-hash-table)
+                (let ((h (make-hash-table)))
+                  (setf (gethash 10 h) 100
+                        (gethash 11 h) 121)
+                  h)
+                (make-condition 'simple-error)
+                (make-condition 'simple-error :format-control "fc")
+                #'car #'make-to-be-described (lambda (x) (+ x 11))
+                (constantly 'foo) #'(setf to-be-described-a)
+                #'describe-object (find-class 'to-be-described)
+                (find-class 'forward-describe-class)
+                (find-class 'forward-describe-ref) (find-class 'cons)))
+  (let ((s (with-output-to-string (s)
+            (write-char #\x s)
+            (describe i s))))
+    (unless (and (char= #\x (char s 0))
+                ;; one leading #\NEWLINE from FRESH-LINE or the like, no more
+                (char= #\newline (char s 1))
+                (char/= #\newline (char s 2))
+                ;; one trailing #\NEWLINE from TERPRI or the like, no more
+                (let ((n (length s)))
+                  (and (char= #\newline (char s (- n 1)))
+                       (char/= #\newline (char s (- n 2))))))
+      (error "misbehavior in DESCRIBE of ~S" i))))
+
 ;;; TYPEP, SUBTYPEP, UPGRADED-ARRAY-ELEMENT-TYPE and
 ;;; UPGRADED-COMPLEX-PART-TYPE should be able to deal with NIL as an
 ;;; environment argument