+
+(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*))))