X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fclos.impure.lisp;h=237e5eaac84f6d007a99f109f59877f2cb158de2;hb=4e3b57699314dbd3883470d9b196287b178f3e6d;hp=90b5120ad6c5ae7a8f01ef7c1ec30a1639d5a319;hpb=416152f084604094445a758ff399871132dff2bd;p=sbcl.git

diff --git a/tests/clos.impure.lisp b/tests/clos.impure.lisp
index 90b5120..237e5ea 100644
--- a/tests/clos.impure.lisp
+++ b/tests/clos.impure.lisp
@@ -15,8 +15,8 @@
   (:use "CL"))
 (in-package "FOO")
 
-;;;; It should be possible to do DEFGENERIC and DEFMETHOD referring to
-;;;; structure types defined earlier in the file.
+;;; It should be possible to do DEFGENERIC and DEFMETHOD referring to
+;;; structure types defined earlier in the file.
 (defstruct struct-a x y)
 (defstruct struct-b x y z)
 (defmethod wiggle ((a struct-a))
@@ -33,8 +33,8 @@
 (assert (= (wiggle (make-struct-a :x 6 :y 5))
            (jiggle (make-struct-b :x 19 :y 6 :z 2))))
 
-;;; Compiling DEFGENERIC should prevent "undefined function" style warnings
-;;; from code within the same file.
+;;; Compiling DEFGENERIC should prevent "undefined function" style
+;;; warnings from code within the same file.
 (defgeneric gf-defined-in-this-file ((x number) (y number)))
 (defun function-using-gf-defined-in-this-file (x y n)
   (unless (minusp n)
@@ -47,24 +47,140 @@
 (defmethod no-applicable-method ((zut-n-a-m (eql #'zut-n-a-m)) &rest args)
   (format t "~&No applicable method for ZUT-N-A-M ~S, yet.~%" args))
 (zut-n-a-m 1 2 3)
-
 
-;; structure-class tests setup
+;;; bug reported and fixed by Alexey Dejneka sbcl-devel 2001-09-10:
+;;; This DEFGENERIC shouldn't cause an error.
+(defgeneric ad-gf (a) (:method :around (x) x))
+
+;;; DEFGENERIC and DEFMETHOD shouldn't accept &REST when it's not
+;;; followed by a variable:
+;;; e.g. (DEFMETHOD FOO ((X T) &REST) NIL) should signal an error.
+(eval-when (:load-toplevel :compile-toplevel :execute)
+  (defmacro expect-error (&body body)
+    `(multiple-value-bind (res condition)
+      (ignore-errors (progn ,@body))
+      (declare (ignore res))
+      (typep condition 'error))))
+
+(assert (expect-error
+         (macroexpand-1
+          '(defmethod foo0 ((x t) &rest) nil))))
+
+(assert (expect-error (defgeneric foo1 (x &rest))))
+(assert (expect-error (defgeneric foo2 (x a &rest))))
+
+(defgeneric foo3 (x &rest y))
+(defmethod foo3 ((x t) &rest y) nil)
+(defmethod foo4 ((x t) &key y &rest z) nil)
+(defgeneric foo4 (x &key y &rest z))
+
+(assert (expect-error (defgeneric foo5 (x &rest))))
+(assert (expect-error (macroexpand-1 '(defmethod foo6 (x &rest)))))
+
+;;; structure-class tests setup
 (defclass structure-class-foo1 () () (:metaclass cl:structure-class))
 (defclass structure-class-foo2 (structure-class-foo1)
   () (:metaclass cl:structure-class))
 
-;; standard-class tests setup
+;;; standard-class tests setup
 (defclass standard-class-foo1 () () (:metaclass cl:standard-class))
 (defclass standard-class-foo2 (standard-class-foo1)
   () (:metaclass cl:standard-class))
 
-
 (assert (typep (class-of (make-instance 'structure-class-foo1))
                'structure-class))
 (assert (typep (make-instance 'structure-class-foo1) 'structure-class-foo1))
 (assert (typep (make-instance 'standard-class-foo1) 'standard-class-foo1))
 
+;;; DEFGENERIC's blow-away-old-methods behavior is specified to have
+;;; special hacks to distinguish between defined-with-DEFGENERIC-:METHOD
+;;; methods and defined-with-DEFMETHOD methods, so that reLOADing
+;;; DEFGENERIC-containing files does the right thing instead of 
+;;; randomly slicing your generic functions. (APD made this work
+;;; in sbcl-0.7.0.2.)
+(defgeneric born-to-be-redefined (x)
+  (:method ((x integer))
+    'integer))
+(defmethod born-to-be-redefined ((x real))
+  'real)
+(assert (eq (born-to-be-redefined 1) 'integer))
+(defgeneric born-to-be-redefined (x))
+(assert (eq (born-to-be-redefined 1) 'real)) ; failed until sbcl-0.7.0.2
+(defgeneric born-to-be-redefined (x)
+  (:method ((x integer))
+    'integer))
+(defmethod born-to-be-redefined ((x integer))
+  'int)
+(assert (eq (born-to-be-redefined 1) 'int))
+(defgeneric born-to-be-redefined (x))
+(assert (eq (born-to-be-redefined 1) 'int))
+
+;;; In the removal of ITERATE from SB-PCL, a bug was introduced
+;;; preventing forward-references and also change-class (which
+;;; forward-references used interally) from working properly.  One
+;;; symptom was reported by Brian Spilsbury (sbcl-devel 2002-04-08),
+;;; and another on IRC by Dan Barlow simultaneously.  Better check
+;;; that it doesn't happen again.
+;;;
+;;; First, the forward references:
+(defclass a (b) ())
+(defclass b () ())
+;;; Then change-class
+(defclass class-with-slots ()
+  ((a-slot :initarg :a-slot :accessor a-slot)
+   (b-slot :initarg :b-slot :accessor b-slot)
+   (c-slot :initarg :c-slot :accessor c-slot)))
+
+(let ((foo (make-instance 'class-with-slots
+			  :a-slot 1
+			  :b-slot 2
+			  :c-slot 3)))
+  (let ((bar (change-class foo 'class-with-slots)))
+    (assert (= (a-slot bar) 1))
+    (assert (= (b-slot bar) 2))
+    (assert (= (c-slot bar) 3))))
+
+;;; some more change-class testing, now that we have an ANSI-compliant
+;;; version (thanks to Espen Johnsen):
+(defclass from-class ()
+  ((foo :initarg :foo :accessor foo)))
+
+(defclass to-class ()
+  ((foo :initarg :foo :accessor foo)
+   (bar :initarg :bar :accessor bar)))
+
+(let* ((from (make-instance 'from-class :foo 1))
+       (to (change-class from 'to-class :bar 2)))
+  (assert (= (foo to) 1))
+  (assert (= (bar to) 2)))
+
+;;; printing a structure class should not loop indefinitely (or cause
+;;; a stack overflow):
+(defclass test-printing-structure-class ()
+  ((slot :initarg :slot))
+  (:metaclass structure-class))
+
+(print (make-instance 'test-printing-structure-class :slot 2))
+
+;;; structure-classes should behave nicely when subclassed
+(defclass super-structure ()
+  ((a :initarg :a :accessor a-accessor)
+   (b :initform 2 :reader b-reader))
+  (:metaclass structure-class))
+
+(defclass sub-structure (super-structure)
+  ((c :initarg :c :writer c-writer :accessor c-accessor))
+  (:metaclass structure-class))
+
+(let ((foo (make-instance 'sub-structure :a 1 :c 3)))
+  (assert (= (a-accessor foo) 1))
+  (assert (= (b-reader foo) 2))
+  (assert (= (c-accessor foo) 3))
+  (setf (a-accessor foo) 4)
+  (c-writer 5 foo)
+  (assert (= (a-accessor foo) 4))
+  (assert (= (c-accessor foo) 5)))
+
 ;;;; success
 
 (sb-ext:quit :unix-status 104)