+
+;;; First argument of CERROR is a format control
+(assert
+ (eq (block nil
+ (handler-bind
+ ((type-error (lambda (c) (return :failed)))
+ (simple-error (lambda (c)
+ (return (if (find-restart 'continue)
+ :passed
+ :failed)))))
+ (cerror (formatter "Continue from ~A") "bug ~A" :bug)))
+ :passed))
+
+;;; clauses in HANDLER-CASE are allowed to have declarations (and
+;;; indeed, only declarations)
+(assert
+ (null (handler-case (error "foo") (error () (declare (optimize speed))))))
+
+(handler-case
+ (handler-bind ((warning #'muffle-warning))
+ (signal 'warning))
+ ;; if it's a control error, it had better be printable
+ (control-error (c) (format nil "~A" c))
+ ;; there had better be an error
+ (:no-error (&rest args) (error "No error: ~S" args)))
+
+(handler-case
+ (funcall (lambda (x) (check-type x fixnum) x) t)
+ (type-error (c)
+ (assert (and (subtypep (type-error-expected-type c) 'fixnum)
+ (subtypep 'fixnum (type-error-expected-type c))))
+ (assert (eq (type-error-datum c) t)))
+ (:no-error (&rest rest) (error "no error: ~S" rest)))
+
+;;; ANSI specifies TYPE-ERROR if datum and arguments of ERROR are not
+;;; designators for a condition. Reported by Bruno Haible on cmucl-imp
+;;; 2004-10-12.
+(flet ((test (&rest args)
+ (multiple-value-bind (res err)
+ (ignore-errors (apply #'error args))
+ (assert (not res))
+ (assert (typep err 'type-error))
+ (assert (not (nth-value 1 (ignore-errors
+ (type-error-datum err)))))
+ (assert (not (nth-value 1 (ignore-errors
+ (type-error-expected-type err))))))))
+ (test '#:no-such-condition)
+ (test nil)
+ (test t)
+ (test 42)
+ (test (make-instance 'standard-object)))
+
+;;; If CERROR is given a condition, any remaining arguments are only
+;;; used for the continue format control.
+(let ((x 0))
+ (handler-bind
+ ((simple-error (lambda (c) (incf x) (continue c))))
+ (cerror "Continue from ~A at ~A"
+ (make-condition 'simple-error :format-control "foo"
+ :format-arguments nil)
+ 'cerror (get-universal-time))
+ (assert (= x 1))))
+
+(with-test (:name :malformed-restart-case-clause)
+ (assert (eq :ok
+ (handler-case
+ (macroexpand `(restart-case (error "foo")
+ (foo :report "quux" (quux))))
+ (simple-error (e)
+ (assert (equal '(restart-case (foo :report "quux" (quux)))
+ (simple-condition-format-arguments e)))
+ :ok)))))
+
+(with-test (:name :simple-condition-without-args)
+ (let ((sc (make-condition 'simple-condition)))
+ (assert (not (simple-condition-format-control sc)))
+ (assert (not (simple-condition-format-arguments sc)))
+ (assert (stringp (prin1-to-string sc)))
+ (assert
+ (eq :ok
+ (handler-case
+ (princ-to-string sc)
+ (simple-error (c)
+ (when (and (equal "No format-control for ~S"
+ (simple-condition-format-control c))
+ (eq sc (car
+ (simple-condition-format-arguments c))))
+ :ok)))))))
+
+(with-test (:name :malformed-simple-condition-printing-type-error)
+ (assert (eq :type-error
+ (handler-case
+ (princ-to-string
+ (make-condition 'simple-error :format-control "" :format-arguments 8))
+ (type-error (e)
+ (when (and (eq 'list (type-error-expected-type e))
+ (eql 8 (type-error-datum e)))
+ :type-error))))))