--- /dev/null
+;-*-syntax:COMMON-LISP;Package:(RT :use "COMMON-LISP" :colon-mode :external)-*-
+
+#|----------------------------------------------------------------------------|
+ | Copyright 1990 by the Massachusetts Institute of Technology, Cambridge MA. |
+ | |
+ | Permission to use, copy, modify, and distribute this software and its |
+ | documentation for any purpose and without fee is hereby granted, provided |
+ | that this copyright and permission notice appear in all copies and |
+ | supporting documentation, and that the name of M.I.T. not be used in |
+ | advertising or publicity pertaining to distribution of the software |
+ | without specific, written prior permission. M.I.T. makes no |
+ | representations about the suitability of this software for any purpose. |
+ | It is provided "as is" without express or implied warranty. |
+ | |
+ | M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
+ | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
+ | M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
+ | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
+ | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
+ | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
+ | SOFTWARE. |
+ |----------------------------------------------------------------------------|#
+
+;This is the December 19, 1990 version of the regression tester.
+\f
+(defpackage #:rt
+ (:use #:common-lisp)
+ (:export deftest get-test do-test rem-test
+ rem-all-tests do-tests pending-tests
+ continue-testing *test*
+ *do-tests-when-defined*))
+(in-package :rt)
+(defvar *test* nil "Current test name")
+(defvar *do-tests-when-defined* nil)
+(defvar *entries* '(nil) "Test database")
+(defvar *in-test* nil "Used by TEST")
+(defvar *debug* nil "For debugging")
+
+(defstruct (entry (:conc-name nil)
+ (:type list))
+ pend name form)
+
+(defmacro vals (entry) `(cdddr ,entry))
+
+(defmacro defn (entry) `(cdr ,entry))
+
+(defun pending-tests ()
+ (do ((l (cdr *entries*) (cdr l))
+ (r nil))
+ ((null l) (nreverse r))
+ (when (pend (car l))
+ (push (name (car l)) r))))
+
+(defun rem-all-tests ()
+ (setq *entries* (list nil))
+ nil)
+
+(defun rem-test (&optional (name *test*))
+ (do ((l *entries* (cdr l)))
+ ((null (cdr l)) nil)
+ (when (equal (name (cadr l)) name)
+ (setf (cdr l) (cddr l))
+ (return name))))
+\f
+(defun get-test (&optional (name *test*))
+ (defn (get-entry name)))
+
+(defun get-entry (name)
+ (let ((entry (find name (cdr *entries*)
+ :key #'name
+ :test #'equal)))
+ (when (null entry)
+ (report-error t
+ "~%No test with name ~:@(~S~)."
+ name))
+ entry))
+
+(defmacro deftest (name form &rest values)
+ `(add-entry '(t ,name ,form .,values)))
+
+(defun add-entry (entry)
+ (setq entry (copy-list entry))
+ (do ((l *entries* (cdr l))) (nil)
+ (when (null (cdr l))
+ (setf (cdr l) (list entry))
+ (return nil))
+ (when (equal (name (cadr l))
+ (name entry))
+ (setf (cadr l) entry)
+ (report-error nil
+ "Redefining test ~@:(~S~)"
+ (name entry))
+ (return nil)))
+ (when *do-tests-when-defined*
+ (do-entry entry))
+ (setq *test* (name entry)))
+
+(defun report-error (error? &rest args)
+ (cond (*debug*
+ (apply #'format t args)
+ (if error? (throw '*debug* nil)))
+ (error? (apply #'error args))
+ (t (apply #'warn args))))
+\f
+(defun do-test (&optional (name *test*))
+ (do-entry (get-entry name)))
+
+(defun do-entry (entry &optional
+ (s *standard-output*))
+ (catch '*in-test*
+ (setq *test* (name entry))
+ (setf (pend entry) t)
+ (let* ((*in-test* t)
+ (*break-on-warnings* t)
+ (r (multiple-value-list
+ (eval (form entry)))))
+ (setf (pend entry)
+ (not (equal r (vals entry))))
+ (when (pend entry)
+ (format s "~&Test ~:@(~S~) failed~
+ ~%Form: ~S~
+ ~%Expected value~P: ~
+ ~{~S~^~%~17t~}~
+ ~%Actual value~P: ~
+ ~{~S~^~%~15t~}.~%"
+ *test* (form entry)
+ (length (vals entry))
+ (vals entry)
+ (length r) r))))
+ (when (not (pend entry)) *test*))
+
+(defun continue-testing ()
+ (if *in-test*
+ (throw '*in-test* nil)
+ (do-entries *standard-output*)))
+\f
+(defun do-tests (&optional
+ (out *standard-output*))
+ (dolist (entry (cdr *entries*))
+ (setf (pend entry) t))
+ (if (streamp out)
+ (do-entries out)
+ (with-open-file
+ (stream out :direction :output)
+ (do-entries stream))))
+
+(defun do-entries (s)
+ (format s "~&Doing ~A pending test~:P ~
+ of ~A tests total.~%"
+ (count t (cdr *entries*)
+ :key #'pend)
+ (length (cdr *entries*)))
+ (dolist (entry (cdr *entries*))
+ (when (pend entry)
+ (format s "~@[~<~%~:; ~:@(~S~)~>~]"
+ (do-entry entry s))))
+ (let ((pending (pending-tests)))
+ (if (null pending)
+ (format s "~&No tests failed.")
+ (format s "~&~A out of ~A ~
+ total tests failed: ~
+ ~:@(~{~<~% ~1:;~S~>~
+ ~^, ~}~)."
+ (length pending)
+ (length (cdr *entries*))
+ pending))
+ (null pending)))
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