0.9.15.45:

[sbcl.git] / tests / mop.impure.lisp

diff --git a/tests/mop.impure.lisp b/tests/mop.impure.lisp
index e69a1ea..765d222 100644 (file)
--- a/tests/mop.impure.lisp
+++ b/tests/mop.impure.lisp
@@ -486,4 +486,38 @@
 (defclass foo () ())
 (reinitialize-instance (find-class 'foo) :name '(a b))
 \f
+;;; classes (including anonymous ones) and eql-specializers should be
+;;; allowed to be specializers.
+(defvar *anonymous-class*
+  (make-instance 'standard-class
+                 :direct-superclasses (list (find-class 'standard-object))))
+(defvar *object-of-anonymous-class*
+  (make-instance *anonymous-class*))
+(eval `(defmethod method-on-anonymous-class ((obj ,*anonymous-class*)) 41))
+(assert (eql (method-on-anonymous-class *object-of-anonymous-class*) 41))
+(eval `(defmethod method-on-anonymous-class
+        ((obj ,(intern-eql-specializer *object-of-anonymous-class*)))
+        42))
+(assert (eql (method-on-anonymous-class *object-of-anonymous-class*) 42))
+\f
+;;; accessors can cause early finalization, which caused confusion in
+;;; the system, leading to uncompileable TYPEP problems.
+(defclass funcallable-class-for-typep ()
+  ((some-slot-with-accessor :accessor some-slot-with-accessor))
+  (:metaclass funcallable-standard-class))
+(compile nil '(lambda (x) (typep x 'funcallable-class-for-typep)))
+\f
+;;; even anonymous classes should be valid types
+(let* ((class1 (make-instance 'standard-class :direct-superclasses (list (find-class 'standard-object))))
+       (class2 (make-instance 'standard-class :direct-superclasses (list class1))))
+  (assert (subtypep class2 class1))
+  (assert (typep (make-instance class2) class1)))
+\f
+;;; ensure-class got its treatment of :metaclass wrong.
+(ensure-class 'better-be-standard-class :direct-superclasses '(standard-object)
+              :metaclass 'standard-class 
+              :metaclass 'funcallable-standard-class)
+(assert (eq (class-of (find-class 'better-be-standard-class))
+            (find-class 'standard-class)))
+\f
 ;;;; success