+
+(defmacro bug-643958-test ()
+ "foo"
+ :ding!)
+
+(with-test (:name :bug-643958)
+ (assert (equal "foo" (documentation 'bug-643958-test 'function)))
+ (setf (documentation 'bug-643958-test 'function) "bar")
+ (assert (equal "bar" (documentation 'bug-643958-test 'function))))
+
+(defclass cannot-print-this ()
+ ())
+(defmethod print-object ((oops cannot-print-this) stream)
+ (error "No go!"))
+(with-test (:name :describe-suppresses-print-errors)
+ (handler-bind ((error #'continue))
+ (with-output-to-string (s)
+ (describe (make-instance 'cannot-print-this) s))))
+(with-test (:name :backtrace-suppresses-print-errors)
+ (handler-bind ((error #'continue))
+ (with-output-to-string (s)
+ (labels ((foo (n x)
+ (when (plusp n)
+ (foo (1- n) x))
+ (when (zerop n)
+ (sb-debug:backtrace 100 s))))
+ (foo 100 (make-instance 'cannot-print-this))))))
+(with-test (:name :backtrace-and-circles)
+ (handler-bind ((error #'continue))
+ (with-output-to-string (s)
+ (labels ((foo (n x)
+ (when (plusp n)
+ (foo (1- n) x))
+ (when (zerop n)
+ (sb-debug:backtrace 100 s))))
+ (foo 100 (let ((list (list t)))
+ (nconc list list)))))))
+
+(with-test (:name :endianness-in-features)
+ (assert
+ (or (member :big-endian *features*)
+ (member :little-endian *features*))))
+
+(with-test (:name :function-documentation-mismatch)
+ (defun test ()
+ "X"
+ nil)
+ (setf (symbol-function 'test2) #'test)
+ (setf (documentation 'test 'function) "Y")
+ (assert (equal (documentation #'test t)
+ (documentation 'test 'function)))
+ (setf (documentation 'test2 'function) "Z")
+ (assert (not
+ (equal (documentation 'test 'function)
+ (documentation 'test2 'function)))))
+
+(with-test (:name :setf-documentation-on-nil)
+ (assert
+ (handler-case
+ (assert (equal (setf (documentation nil 'function) "foo") "foo"))
+ (style-warning () t)
+ (:no-error (x)
+ (declare (ignore x))
+ nil))))
+